Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!samsung!think.com!hsdndev!cmcl2!kramden.acf.nyu.edu!brnstnd From: brnstnd@kramden.acf.nyu.edu (Dan Bernstein) Newsgroups: comp.protocols.tcp-ip Subject: Is the Internet usable for wide-area interactive conversations? Message-ID: <2039.Jun1803.33.1391@kramden.acf.nyu.edu> Date: 18 Jun 91 03:33:13 GMT Organization: IR Lines: 807 Here's the ping data from nyu.edu to berkeley.edu over the last 10 minutes or so. They show a minute of communication, followed by 10 seconds of ``unreachable network'', four minutes of communication, half a minute of ``unreachable network'', another three minutes of communication, another half minute of ``unreachable network'', another two and a half minutes of communication, nine seconds of ``unreachable network'', and then just over a minute of communication. Keep in mind that an active TCP connection---e.g., a remote login---dies the second that the network becomes unreachable. An objective observer would have to conclude that, no matter how good the IP service was while it was responding, the network was simply unusable for interactive work during this period. And how good was that IP service? The minimum round trip time was rather impressive: one sixth of a second. But the maximum (not counting the unreachable periods) was awful: over ten seconds. The average was over a second, and the sample standard deviation was a whopping 1.8 seconds. That means you'd expect one packet in every few hundred to have a delay of seven seconds or more. Many studies have shown that people work best with a consistent feedback delay---it's much more important that the standard deviation be small than that the minimum be small. Don't try to tell me that four gateways between NYU and Berkeley crashed in quick succession, only to have our Super Duper Dynamic Routing Protocols bravely intercede, restoring service within 30 seconds of each crash in ways that mere mortals could never hope to understand. The pattern of Berkeley being reachable, then unreachable a moment later, has continued while I typed this article. I see this behavior all the time, even on links as short as BNL to NYU. I see only two possible explanations for these problems. Either the routes are flapping wildly, losing packets every time a router decides to ``optimize'' its choices, or sudden bursts of extra activity push the ``optimal'' route over the edge of its maximum load. Can anyone propose another explanation? No matter what the reasons, the Internet is simply not usable for interactive work coast-to-coast during times like this. Both problems, by the way, are easy to fix. To solve the second, split data among three or four usable routes, instead of loading it all onto one which will crash at the first increase in load. To solve the first, use semi-static routing---update routing tables every few days instead of every few minutes, so that (as control theory experts will observe) routing changes are too slow to hit a resonant frequency of any link. ---Dan PING berkeley.edu (128.32.133.1): 56 data bytes 64 bytes from 128.32.133.1: icmp_seq=64. time=779. ms 64 bytes from 128.32.133.1: icmp_seq=65. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=66. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=67. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=68. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=69. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=70. time=280. ms 64 bytes from 128.32.133.1: icmp_seq=72. time=4649. ms 64 bytes from 128.32.133.1: icmp_seq=73. time=4069. ms 64 bytes from 128.32.133.1: icmp_seq=74. time=3229. ms 64 bytes from 128.32.133.1: icmp_seq=75. time=3149. ms 64 bytes from 128.32.133.1: icmp_seq=76. time=3369. ms 64 bytes from 128.32.133.1: icmp_seq=77. time=2610. ms 64 bytes from 128.32.133.1: icmp_seq=78. time=1850. ms 64 bytes from 128.32.133.1: icmp_seq=79. time=1080. ms 64 bytes from 128.32.133.1: icmp_seq=80. time=719. ms 64 bytes from 128.32.133.1: icmp_seq=81. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=82. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=83. time=7079. ms 64 bytes from 128.32.133.1: icmp_seq=84. time=6079. ms 64 bytes from 128.32.133.1: icmp_seq=85. time=5109. ms 64 bytes from 128.32.133.1: icmp_seq=86. time=4239. ms 64 bytes from 128.32.133.1: icmp_seq=87. time=3299. ms 64 bytes from 128.32.133.1: icmp_seq=88. time=2299. ms 64 bytes from 128.32.133.1: icmp_seq=90. time=400. ms 64 bytes from 128.32.133.1: icmp_seq=91. time=2209. ms 64 bytes from 128.32.133.1: icmp_seq=92. time=2879. ms 64 bytes from 128.32.133.1: icmp_seq=93. time=1890. ms 64 bytes from 128.32.133.1: icmp_seq=94. time=1140. ms 64 bytes from 128.32.133.1: icmp_seq=95. time=340. ms 64 bytes from 128.32.133.1: icmp_seq=96. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=97. time=290. ms 64 bytes from 128.32.133.1: icmp_seq=98. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=99. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=100. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=101. time=270. ms 64 bytes from 128.32.133.1: icmp_seq=102. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=103. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=104. time=250. ms 64 bytes from 128.32.133.1: icmp_seq=105. time=330. ms 64 bytes from 128.32.133.1: icmp_seq=106. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=107. time=250. ms 64 bytes from 128.32.133.1: icmp_seq=108. time=249. ms 64 bytes from 128.32.133.1: icmp_seq=109. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=110. time=230. ms 64 bytes from 128.32.133.1: icmp_seq=111. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=112. time=299. ms 64 bytes from 128.32.133.1: icmp_seq=113. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=115. time=5469. ms 64 bytes from 128.32.133.1: icmp_seq=116. time=4479. ms 64 bytes from 128.32.133.1: icmp_seq=117. time=3599. ms 64 bytes from 128.32.133.1: icmp_seq=118. time=2609. ms 64 bytes from 128.32.133.1: icmp_seq=120. time=829. ms 64 bytes from 128.32.133.1: icmp_seq=121. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=122. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=123. time=220. ms 64 bytes from 128.32.133.1: icmp_seq=124. time=209. ms 64 bytes from 128.32.133.1: icmp_seq=125. time=310. ms 64 bytes from 128.32.133.1: icmp_seq=126. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=127. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=128. time=179. ms 64 bytes from 128.32.133.1: icmp_seq=129. time=260. ms 64 bytes from 128.32.133.1: icmp_seq=130. time=230. ms ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 64 bytes from 128.32.133.1: icmp_seq=141. time=280. ms 64 bytes from 128.32.133.1: icmp_seq=142. time=330. ms 64 bytes from 128.32.133.1: icmp_seq=143. time=250. ms 64 bytes from 128.32.133.1: icmp_seq=144. time=159. ms 64 bytes from 128.32.133.1: icmp_seq=145. time=220. ms 64 bytes from 128.32.133.1: icmp_seq=146. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=159. time=230. ms 64 bytes from 128.32.133.1: icmp_seq=160. time=189. ms 64 bytes from 128.32.133.1: icmp_seq=161. time=420. ms 64 bytes from 128.32.133.1: icmp_seq=162. time=500. ms 64 bytes from 128.32.133.1: icmp_seq=176. time=279. ms 64 bytes from 128.32.133.1: icmp_seq=175. time=1279. ms 64 bytes from 128.32.133.1: icmp_seq=177. time=460. ms 64 bytes from 128.32.133.1: icmp_seq=178. time=610. ms 64 bytes from 128.32.133.1: icmp_seq=179. time=290. ms 64 bytes from 128.32.133.1: icmp_seq=180. time=179. ms 64 bytes from 128.32.133.1: icmp_seq=181. time=260. ms 64 bytes from 128.32.133.1: icmp_seq=182. time=240. ms 64 bytes from 128.32.133.1: icmp_seq=183. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=184. time=229. ms 64 bytes from 128.32.133.1: icmp_seq=185. time=290. ms 64 bytes from 128.32.133.1: icmp_seq=186. time=280. ms 64 bytes from 128.32.133.1: icmp_seq=187. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=188. time=419. ms 64 bytes from 128.32.133.1: icmp_seq=189. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=190. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=191. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=192. time=189. ms 64 bytes from 128.32.133.1: icmp_seq=203. time=430. ms 64 bytes from 128.32.133.1: icmp_seq=204. time=410. ms 64 bytes from 128.32.133.1: icmp_seq=205. time=710. ms 64 bytes from 128.32.133.1: icmp_seq=206. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=207. time=160. ms 64 bytes from 128.32.133.1: icmp_seq=208. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=209. time=160. ms 64 bytes from 128.32.133.1: icmp_seq=210. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=211. time=160. ms 64 bytes from 128.32.133.1: icmp_seq=212. time=530. ms 64 bytes from 128.32.133.1: icmp_seq=213. time=500. ms 64 bytes from 128.32.133.1: icmp_seq=214. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=215. time=280. ms 64 bytes from 128.32.133.1: icmp_seq=216. time=260. ms 64 bytes from 128.32.133.1: icmp_seq=217. time=410. ms 64 bytes from 128.32.133.1: icmp_seq=218. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=219. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=220. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=221. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=222. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=255. time=8839. ms 64 bytes from 128.32.133.1: icmp_seq=259. time=4840. ms 64 bytes from 128.32.133.1: icmp_seq=260. time=4120. ms 64 bytes from 128.32.133.1: icmp_seq=264. time=240. ms 64 bytes from 128.32.133.1: icmp_seq=256. time=8500. ms 64 bytes from 128.32.133.1: icmp_seq=261. time=3500. ms 64 bytes from 128.32.133.1: icmp_seq=262. time=2510. ms 64 bytes from 128.32.133.1: icmp_seq=257. time=7510. ms 64 bytes from 128.32.133.1: icmp_seq=258. time=6510. ms 64 bytes from 128.32.133.1: icmp_seq=263. time=1500. ms 64 bytes from 128.32.133.1: icmp_seq=265. time=8719. ms 64 bytes from 128.32.133.1: icmp_seq=266. time=7739. ms 64 bytes from 128.32.133.1: icmp_seq=268. time=5779. ms 64 bytes from 128.32.133.1: icmp_seq=270. time=3779. ms 64 bytes from 128.32.133.1: icmp_seq=271. time=2849. ms 64 bytes from 128.32.133.1: icmp_seq=272. time=1850. ms 64 bytes from 128.32.133.1: icmp_seq=273. time=1330. ms 64 bytes from 128.32.133.1: icmp_seq=274. time=510. ms 64 bytes from 128.32.133.1: icmp_seq=275. time=570. ms 64 bytes from 128.32.133.1: icmp_seq=276. time=430. ms 64 bytes from 128.32.133.1: icmp_seq=277. time=580. ms 64 bytes from 128.32.133.1: icmp_seq=278. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=279. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=280. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=281. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=282. time=160. ms 64 bytes from 128.32.133.1: icmp_seq=283. time=510. ms 64 bytes from 128.32.133.1: icmp_seq=284. time=350. ms 64 bytes from 128.32.133.1: icmp_seq=285. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=286. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=287. time=340. ms 64 bytes from 128.32.133.1: icmp_seq=288. time=440. ms 64 bytes from 128.32.133.1: icmp_seq=289. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=290. time=540. ms 64 bytes from 128.32.133.1: icmp_seq=291. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=292. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=293. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=294. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=295. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=296. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=297. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=298. time=2390. ms 64 bytes from 128.32.133.1: icmp_seq=301. time=8849. ms 64 bytes from 128.32.133.1: icmp_seq=307. time=5229. ms 64 bytes from 128.32.133.1: icmp_seq=308. time=6680. ms 64 bytes from 128.32.133.1: icmp_seq=309. time=5720. ms 64 bytes from 128.32.133.1: icmp_seq=310. time=4720. ms 64 bytes from 128.32.133.1: icmp_seq=312. time=4110. ms 64 bytes from 128.32.133.1: icmp_seq=314. time=2140. ms 64 bytes from 128.32.133.1: icmp_seq=315. time=1350. ms 64 bytes from 128.32.133.1: icmp_seq=316. time=350. ms 64 bytes from 128.32.133.1: icmp_seq=320. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=321. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=327. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=328. time=310. ms 64 bytes from 128.32.133.1: icmp_seq=329. time=1030. ms 64 bytes from 128.32.133.1: icmp_seq=330. time=310. ms 64 bytes from 128.32.133.1: icmp_seq=331. time=440. ms 64 bytes from 128.32.133.1: icmp_seq=332. time=470. ms 64 bytes from 128.32.133.1: icmp_seq=333. time=910. ms 64 bytes from 128.32.133.1: icmp_seq=334. time=160. ms 64 bytes from 128.32.133.1: icmp_seq=335. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=336. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=337. time=290. ms 64 bytes from 128.32.133.1: icmp_seq=338. time=1010. ms 64 bytes from 128.32.133.1: icmp_seq=339. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=340. time=580. ms 64 bytes from 128.32.133.1: icmp_seq=351. time=320. ms 64 bytes from 128.32.133.1: icmp_seq=352. time=310. ms 64 bytes from 128.32.133.1: icmp_seq=353. time=350. ms 64 bytes from 128.32.133.1: icmp_seq=354. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=355. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=356. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=357. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=358. time=370. ms 64 bytes from 128.32.133.1: icmp_seq=359. time=310. ms 64 bytes from 128.32.133.1: icmp_seq=360. time=400. ms 64 bytes from 128.32.133.1: icmp_seq=361. time=430. ms 64 bytes from 128.32.133.1: icmp_seq=362. time=240. ms 64 bytes from 128.32.133.1: icmp_seq=363. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=364. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=365. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=366. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=367. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=368. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=369. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=370. time=430. ms 64 bytes from 128.32.133.1: icmp_seq=371. time=240. ms 64 bytes from 128.32.133.1: icmp_seq=372. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=373. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=374. time=450. ms 64 bytes from 128.32.133.1: icmp_seq=375. time=3580. ms 64 bytes from 128.32.133.1: icmp_seq=376. time=5750. ms 64 bytes from 128.32.133.1: icmp_seq=377. time=4770. ms 64 bytes from 128.32.133.1: icmp_seq=378. time=3770. ms 64 bytes from 128.32.133.1: icmp_seq=379. time=3460. ms 64 bytes from 128.32.133.1: icmp_seq=380. time=2460. ms 64 bytes from 128.32.133.1: icmp_seq=382. time=580. ms 64 bytes from 128.32.133.1: icmp_seq=383. time=240. ms 64 bytes from 128.32.133.1: icmp_seq=384. time=1820. ms 64 bytes from 128.32.133.1: icmp_seq=385. time=990. ms 64 bytes from 128.32.133.1: icmp_seq=386. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=387. time=8060. ms 64 bytes from 128.32.133.1: icmp_seq=388. time=7470. ms 64 bytes from 128.32.133.1: icmp_seq=389. time=6480. ms 64 bytes from 128.32.133.1: icmp_seq=390. time=5860. ms 64 bytes from 128.32.133.1: icmp_seq=391. time=5020. ms 64 bytes from 128.32.133.1: icmp_seq=392. time=4020. ms 64 bytes from 128.32.133.1: icmp_seq=393. time=3020. ms 64 bytes from 128.32.133.1: icmp_seq=394. time=2140. ms 64 bytes from 128.32.133.1: icmp_seq=395. time=1150. ms 64 bytes from 128.32.133.1: icmp_seq=396. time=420. ms 64 bytes from 128.32.133.1: icmp_seq=397. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=398. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=399. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=400. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=401. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=402. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=403. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=404. time=280. ms 64 bytes from 128.32.133.1: icmp_seq=405. time=870. ms 64 bytes from 128.32.133.1: icmp_seq=406. time=260. ms 64 bytes from 128.32.133.1: icmp_seq=407. time=240. ms 64 bytes from 128.32.133.1: icmp_seq=408. time=1310. ms 64 bytes from 128.32.133.1: icmp_seq=409. time=610. ms 64 bytes from 128.32.133.1: icmp_seq=410. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=411. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=412. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=413. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=414. time=280. ms 64 bytes from 128.32.133.1: icmp_seq=415. time=310. ms 64 bytes from 128.32.133.1: icmp_seq=416. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=417. time=260. ms 64 bytes from 128.32.133.1: icmp_seq=418. time=1580. ms 64 bytes from 128.32.133.1: icmp_seq=419. time=780. ms 64 bytes from 128.32.133.1: icmp_seq=420. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=421. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=422. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=423. time=350. ms 64 bytes from 128.32.133.1: icmp_seq=424. time=750. ms 64 bytes from 128.32.133.1: icmp_seq=425. time=240. ms 64 bytes from 128.32.133.1: icmp_seq=426. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=427. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=428. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=429. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=430. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=431. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=432. time=310. ms 64 bytes from 128.32.133.1: icmp_seq=433. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=434. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=435. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=436. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=437. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=438. time=270. ms 64 bytes from 128.32.133.1: icmp_seq=439. time=6870. ms 64 bytes from 128.32.133.1: icmp_seq=440. time=6570. ms 64 bytes from 128.32.133.1: icmp_seq=441. time=5580. ms 64 bytes from 128.32.133.1: icmp_seq=442. time=4620. ms 64 bytes from 128.32.133.1: icmp_seq=447. time=970. ms 64 bytes from 128.32.133.1: icmp_seq=448. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=449. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=459. time=4250. ms 64 bytes from 128.32.133.1: icmp_seq=463. time=650. ms 64 bytes from 128.32.133.1: icmp_seq=464. time=4570. ms 64 bytes from 128.32.133.1: icmp_seq=467. time=2590. ms 64 bytes from 128.32.133.1: icmp_seq=470. time=2649. ms 64 bytes from 128.32.133.1: icmp_seq=471. time=3180. ms 64 bytes from 128.32.133.1: icmp_seq=474. time=2389. ms 64 bytes from 128.32.133.1: icmp_seq=477. time=260. ms 64 bytes from 128.32.133.1: icmp_seq=478. time=300. ms 64 bytes from 128.32.133.1: icmp_seq=479. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=481. time=280. ms 64 bytes from 128.32.133.1: icmp_seq=482. time=250. ms 64 bytes from 128.32.133.1: icmp_seq=483. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=487. time=1220. ms 64 bytes from 128.32.133.1: icmp_seq=489. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=490. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=491. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=492. time=330. ms 64 bytes from 128.32.133.1: icmp_seq=493. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=496. time=1410. ms 64 bytes from 128.32.133.1: icmp_seq=497. time=580. ms 64 bytes from 128.32.133.1: icmp_seq=498. time=1579. ms 64 bytes from 128.32.133.1: icmp_seq=499. time=750. ms 64 bytes from 128.32.133.1: icmp_seq=500. time=660. ms 64 bytes from 128.32.133.1: icmp_seq=501. time=640. ms ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 64 bytes from 128.32.133.1: icmp_seq=549. time=960. ms 64 bytes from 128.32.133.1: icmp_seq=555. time=340. ms 64 bytes from 128.32.133.1: icmp_seq=556. time=350. ms 64 bytes from 128.32.133.1: icmp_seq=557. time=720. ms 64 bytes from 128.32.133.1: icmp_seq=558. time=269. ms 64 bytes from 128.32.133.1: icmp_seq=559. time=550. ms 64 bytes from 128.32.133.1: icmp_seq=560. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=561. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=563. time=220. ms 64 bytes from 128.32.133.1: icmp_seq=562. time=1399. ms 64 bytes from 128.32.133.1: icmp_seq=564. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=565. time=370. ms 64 bytes from 128.32.133.1: icmp_seq=566. time=419. ms 64 bytes from 128.32.133.1: icmp_seq=567. time=300. ms 64 bytes from 128.32.133.1: icmp_seq=568. time=610. ms 64 bytes from 128.32.133.1: icmp_seq=569. time=240. ms 64 bytes from 128.32.133.1: icmp_seq=570. time=189. ms 64 bytes from 128.32.133.1: icmp_seq=571. time=640. ms 64 bytes from 128.32.133.1: icmp_seq=572. time=310. ms 64 bytes from 128.32.133.1: icmp_seq=576. time=5789. ms 64 bytes from 128.32.133.1: icmp_seq=582. time=1190. ms 64 bytes from 128.32.133.1: icmp_seq=584. time=660. ms 64 bytes from 128.32.133.1: icmp_seq=585. time=230. ms 64 bytes from 128.32.133.1: icmp_seq=586. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=587. time=440. ms 64 bytes from 128.32.133.1: icmp_seq=588. time=490. ms 64 bytes from 128.32.133.1: icmp_seq=643. time=230. ms 64 bytes from 128.32.133.1: icmp_seq=644. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=645. time=260. ms 64 bytes from 128.32.133.1: icmp_seq=646. time=250. ms 64 bytes from 128.32.133.1: icmp_seq=647. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=648. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=649. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=650. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=651. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=653. time=1869. ms 64 bytes from 128.32.133.1: icmp_seq=655. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=656. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=657. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=658. time=270. ms 64 bytes from 128.32.133.1: icmp_seq=659. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=660. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=661. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=662. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=663. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=664. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=665. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=671. time=1480. ms 64 bytes from 128.32.133.1: icmp_seq=673. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=674. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=675. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=676. time=220. ms 64 bytes from 128.32.133.1: icmp_seq=677. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=678. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=679. time=220. ms 64 bytes from 128.32.133.1: icmp_seq=680. time=230. ms 64 bytes from 128.32.133.1: icmp_seq=681. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=682. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=683. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=684. time=230. ms 64 bytes from 128.32.133.1: icmp_seq=685. time=2229. ms 64 bytes from 128.32.133.1: icmp_seq=688. time=3779. ms 64 bytes from 128.32.133.1: icmp_seq=689. time=3319. ms 64 bytes from 128.32.133.1: icmp_seq=690. time=2480. ms 64 bytes from 128.32.133.1: icmp_seq=691. time=1570. ms 64 bytes from 128.32.133.1: icmp_seq=694. time=3319. ms 64 bytes from 128.32.133.1: icmp_seq=695. time=3009. ms 64 bytes from 128.32.133.1: icmp_seq=696. time=2289. ms 64 bytes from 128.32.133.1: icmp_seq=697. time=1569. ms 64 bytes from 128.32.133.1: icmp_seq=698. time=1000. ms 64 bytes from 128.32.133.1: icmp_seq=699. time=160. ms 64 bytes from 128.32.133.1: icmp_seq=700. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=701. time=259. ms 64 bytes from 128.32.133.1: icmp_seq=702. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=703. time=240. ms 64 bytes from 128.32.133.1: icmp_seq=704. time=6839. ms 64 bytes from 128.32.133.1: icmp_seq=708. time=3389. ms 64 bytes from 128.32.133.1: icmp_seq=709. time=2579. ms 64 bytes from 128.32.133.1: icmp_seq=710. time=1710. ms 64 bytes from 128.32.133.1: icmp_seq=711. time=910. ms 64 bytes from 128.32.133.1: icmp_seq=712. time=230. ms 64 bytes from 128.32.133.1: icmp_seq=713. time=289. ms 64 bytes from 128.32.133.1: icmp_seq=714. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=715. time=220. ms 64 bytes from 128.32.133.1: icmp_seq=716. time=220. ms 64 bytes from 128.32.133.1: icmp_seq=717. time=219. ms 64 bytes from 128.32.133.1: icmp_seq=718. time=290. ms 64 bytes from 128.32.133.1: icmp_seq=719. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=720. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=721. time=220. ms 64 bytes from 128.32.133.1: icmp_seq=722. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=723. time=260. ms 64 bytes from 128.32.133.1: icmp_seq=724. time=230. ms 64 bytes from 128.32.133.1: icmp_seq=725. time=220. ms 64 bytes from 128.32.133.1: icmp_seq=726. time=260. ms 64 bytes from 128.32.133.1: icmp_seq=727. time=240. ms 64 bytes from 128.32.133.1: icmp_seq=728. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=730. time=1340. ms 64 bytes from 128.32.133.1: icmp_seq=731. time=1090. ms 64 bytes from 128.32.133.1: icmp_seq=732. time=250. ms 64 bytes from 128.32.133.1: icmp_seq=733. time=260. ms 64 bytes from 128.32.133.1: icmp_seq=734. time=230. ms 64 bytes from 128.32.133.1: icmp_seq=735. time=330. ms 64 bytes from 128.32.133.1: icmp_seq=736. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=737. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=738. time=250. ms 64 bytes from 128.32.133.1: icmp_seq=739. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=740. time=310. ms 64 bytes from 128.32.133.1: icmp_seq=741. time=160. ms 64 bytes from 128.32.133.1: icmp_seq=742. time=250. ms 64 bytes from 128.32.133.1: icmp_seq=743. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=744. time=220. ms 64 bytes from 128.32.133.1: icmp_seq=745. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=746. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=747. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=748. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=749. time=290. ms 64 bytes from 128.32.133.1: icmp_seq=750. time=240. ms 64 bytes from 128.32.133.1: icmp_seq=751. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=752. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=753. time=290. ms 64 bytes from 128.32.133.1: icmp_seq=754. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=755. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=756. time=220. ms 64 bytes from 128.32.133.1: icmp_seq=757. time=220. ms 64 bytes from 128.32.133.1: icmp_seq=758. time=260. ms 64 bytes from 128.32.133.1: icmp_seq=759. time=280. ms 64 bytes from 128.32.133.1: icmp_seq=760. time=160. ms 64 bytes from 128.32.133.1: icmp_seq=761. time=590. ms 64 bytes from 128.32.133.1: icmp_seq=762. time=4119. ms 64 bytes from 128.32.133.1: icmp_seq=765. time=3829. ms 64 bytes from 128.32.133.1: icmp_seq=766. time=2929. ms 64 bytes from 128.32.133.1: icmp_seq=767. time=1949. ms 64 bytes from 128.32.133.1: icmp_seq=769. time=780. ms 64 bytes from 128.32.133.1: icmp_seq=771. time=3989. ms 64 bytes from 128.32.133.1: icmp_seq=772. time=2989. ms 64 bytes from 128.32.133.1: icmp_seq=776. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=777. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=778. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=779. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=780. time=430. ms 64 bytes from 128.32.133.1: icmp_seq=781. time=1540. ms 64 bytes from 128.32.133.1: icmp_seq=782. time=660. ms 64 bytes from 128.32.133.1: icmp_seq=783. time=460. ms 64 bytes from 128.32.133.1: icmp_seq=784. time=250. ms 64 bytes from 128.32.133.1: icmp_seq=785. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=786. time=260. ms 64 bytes from 128.32.133.1: icmp_seq=787. time=220. ms 64 bytes from 128.32.133.1: icmp_seq=788. time=350. ms 64 bytes from 128.32.133.1: icmp_seq=789. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=790. time=220. ms 64 bytes from 128.32.133.1: icmp_seq=791. time=380. ms 64 bytes from 128.32.133.1: icmp_seq=792. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=793. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=794. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=795. time=220. ms 64 bytes from 128.32.133.1: icmp_seq=796. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=797. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=798. time=240. ms 64 bytes from 128.32.133.1: icmp_seq=799. time=180. ms ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 64 bytes from 128.32.133.1: icmp_seq=830. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=831. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=832. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=833. time=160. ms 64 bytes from 128.32.133.1: icmp_seq=834. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=835. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=836. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=837. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=838. time=160. ms 64 bytes from 128.32.133.1: icmp_seq=844. time=209. ms 64 bytes from 128.32.133.1: icmp_seq=849. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=850. time=220. ms 64 bytes from 128.32.133.1: icmp_seq=913. time=2770. ms 64 bytes from 128.32.133.1: icmp_seq=916. time=4139. ms 64 bytes from 128.32.133.1: icmp_seq=917. time=3159. ms 64 bytes from 128.32.133.1: icmp_seq=918. time=2249. ms 64 bytes from 128.32.133.1: icmp_seq=921. time=4209. ms 64 bytes from 128.32.133.1: icmp_seq=922. time=4179. ms 64 bytes from 128.32.133.1: icmp_seq=923. time=3329. ms 64 bytes from 128.32.133.1: icmp_seq=924. time=2469. ms 64 bytes from 128.32.133.1: icmp_seq=925. time=1490. ms 64 bytes from 128.32.133.1: icmp_seq=926. time=500. ms 64 bytes from 128.32.133.1: icmp_seq=927. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=928. time=189. ms 64 bytes from 128.32.133.1: icmp_seq=929. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=930. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=931. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=932. time=249. ms 64 bytes from 128.32.133.1: icmp_seq=933. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=934. time=7019. ms 64 bytes from 128.32.133.1: icmp_seq=936. time=5209. ms 64 bytes from 128.32.133.1: icmp_seq=937. time=4489. ms 64 bytes from 128.32.133.1: icmp_seq=938. time=3639. ms 64 bytes from 128.32.133.1: icmp_seq=939. time=3069. ms 64 bytes from 128.32.133.1: icmp_seq=941. time=1660. ms 64 bytes from 128.32.133.1: icmp_seq=942. time=1000. ms 64 bytes from 128.32.133.1: icmp_seq=943. time=430. ms 64 bytes from 128.32.133.1: icmp_seq=944. time=189. ms 64 bytes from 128.32.133.1: icmp_seq=945. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=946. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=947. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=948. time=189. ms 64 bytes from 128.32.133.1: icmp_seq=949. time=230. ms 64 bytes from 128.32.133.1: icmp_seq=950. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=951. time=220. ms 64 bytes from 128.32.133.1: icmp_seq=952. time=169. ms 64 bytes from 128.32.133.1: icmp_seq=953. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=954. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=955. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=956. time=209. ms 64 bytes from 128.32.133.1: icmp_seq=959. time=3259. ms 64 bytes from 128.32.133.1: icmp_seq=960. time=2530. ms 64 bytes from 128.32.133.1: icmp_seq=961. time=1670. ms 64 bytes from 128.32.133.1: icmp_seq=963. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=964. time=209. ms 64 bytes from 128.32.133.1: icmp_seq=965. time=260. ms 64 bytes from 128.32.133.1: icmp_seq=967. time=290. ms 64 bytes from 128.32.133.1: icmp_seq=968. time=209. ms 64 bytes from 128.32.133.1: icmp_seq=970. time=240. ms 64 bytes from 128.32.133.1: icmp_seq=971. time=220. ms 64 bytes from 128.32.133.1: icmp_seq=972. time=219. ms 64 bytes from 128.32.133.1: icmp_seq=973. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=974. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=975. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=976. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=977. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=1068. time=10509. ms 64 bytes from 128.32.133.1: icmp_seq=1069. time=9569. ms 64 bytes from 128.32.133.1: icmp_seq=1071. time=7639. ms 64 bytes from 128.32.133.1: icmp_seq=1070. time=8709. ms 64 bytes from 128.32.133.1: icmp_seq=1097. time=360. ms 64 bytes from 128.32.133.1: icmp_seq=1098. time=340. ms 64 bytes from 128.32.133.1: icmp_seq=1099. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=1100. time=240. ms 64 bytes from 128.32.133.1: icmp_seq=1101. time=320. ms 64 bytes from 128.32.133.1: icmp_seq=1102. time=390. ms 64 bytes from 128.32.133.1: icmp_seq=1103. time=390. ms 64 bytes from 128.32.133.1: icmp_seq=1104. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=1105. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=1106. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=1107. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=1113. time=230. ms 64 bytes from 128.32.133.1: icmp_seq=1119. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=1120. time=320. ms 64 bytes from 128.32.133.1: icmp_seq=1121. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=1122. time=250. ms 64 bytes from 128.32.133.1: icmp_seq=1123. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=1124. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=1125. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=1126. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=1128. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=1129. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=1130. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=1131. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=1132. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=1133. time=160. ms 64 bytes from 128.32.133.1: icmp_seq=1134. time=230. ms 64 bytes from 128.32.133.1: icmp_seq=1135. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=1136. time=340. ms 64 bytes from 128.32.133.1: icmp_seq=1137. time=290. ms 64 bytes from 128.32.133.1: icmp_seq=1138. time=370. ms 64 bytes from 128.32.133.1: icmp_seq=1139. time=359. ms 64 bytes from 128.32.133.1: icmp_seq=1140. time=300. ms 64 bytes from 128.32.133.1: icmp_seq=1141. time=1940. ms 64 bytes from 128.32.133.1: icmp_seq=1142. time=3909. ms 64 bytes from 128.32.133.1: icmp_seq=1144. time=5119. ms 64 bytes from 128.32.133.1: icmp_seq=1147. time=2879. ms 64 bytes from 128.32.133.1: icmp_seq=1149. time=1330. ms 64 bytes from 128.32.133.1: icmp_seq=1150. time=660. ms 64 bytes from 128.32.133.1: icmp_seq=1151. time=329. ms 64 bytes from 128.32.133.1: icmp_seq=1152. time=370. ms 64 bytes from 128.32.133.1: icmp_seq=1153. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=1154. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=1155. time=270. ms 64 bytes from 128.32.133.1: icmp_seq=1158. time=4839. ms 64 bytes from 128.32.133.1: icmp_seq=1163. time=319. ms 64 bytes from 128.32.133.1: icmp_seq=1164. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=1165. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=1166. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=1167. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=1168. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=1170. time=5809. ms 64 bytes from 128.32.133.1: icmp_seq=1169. time=6819. ms 64 bytes from 128.32.133.1: icmp_seq=1174. time=1809. ms 64 bytes from 128.32.133.1: icmp_seq=1176. time=360. ms 64 bytes from 128.32.133.1: icmp_seq=1177. time=280. ms 64 bytes from 128.32.133.1: icmp_seq=1178. time=300. ms 64 bytes from 128.32.133.1: icmp_seq=1179. time=339. ms 64 bytes from 128.32.133.1: icmp_seq=1180. time=230. ms 64 bytes from 128.32.133.1: icmp_seq=1181. time=420. ms 64 bytes from 128.32.133.1: icmp_seq=1182. time=370. ms 64 bytes from 128.32.133.1: icmp_seq=1183. time=259. ms 64 bytes from 128.32.133.1: icmp_seq=1184. time=510. ms 64 bytes from 128.32.133.1: icmp_seq=1185. time=650. ms 64 bytes from 128.32.133.1: icmp_seq=1186. time=5919. ms 64 bytes from 128.32.133.1: icmp_seq=1187. time=6109. ms 64 bytes from 128.32.133.1: icmp_seq=1188. time=5119. ms 64 bytes from 128.32.133.1: icmp_seq=1192. time=3160. ms 64 bytes from 128.32.133.1: icmp_seq=1193. time=2200. ms 64 bytes from 128.32.133.1: icmp_seq=1195. time=839. ms 64 bytes from 128.32.133.1: icmp_seq=1201. time=2110. ms 64 bytes from 128.32.133.1: icmp_seq=1202. time=1140. ms 64 bytes from 128.32.133.1: icmp_seq=1203. time=2129. ms 64 bytes from 128.32.133.1: icmp_seq=1204. time=1170. ms 64 bytes from 128.32.133.1: icmp_seq=1205. time=230. ms ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 ping: wrote berkeley.edu 64 chars, ret=-1 64 bytes from 128.32.133.1: icmp_seq=1215. time=440. ms 64 bytes from 128.32.133.1: icmp_seq=1216. time=330. ms 64 bytes from 128.32.133.1: icmp_seq=1217. time=650. ms 64 bytes from 128.32.133.1: icmp_seq=1218. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=1219. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=1220. time=4989. ms 64 bytes from 128.32.133.1: icmp_seq=1225. time=230. ms 64 bytes from 128.32.133.1: icmp_seq=1226. time=380. ms 64 bytes from 128.32.133.1: icmp_seq=1227. time=660. ms 64 bytes from 128.32.133.1: icmp_seq=1228. time=290. ms 64 bytes from 128.32.133.1: icmp_seq=1229. time=300. ms 64 bytes from 128.32.133.1: icmp_seq=1230. time=400. ms 64 bytes from 128.32.133.1: icmp_seq=1231. time=340. ms 64 bytes from 128.32.133.1: icmp_seq=1234. time=260. ms 64 bytes from 128.32.133.1: icmp_seq=1239. time=260. ms 64 bytes from 128.32.133.1: icmp_seq=1240. time=230. ms 64 bytes from 128.32.133.1: icmp_seq=1241. time=340. ms 64 bytes from 128.32.133.1: icmp_seq=1242. time=270. ms 64 bytes from 128.32.133.1: icmp_seq=1243. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=1244. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=1245. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=1246. time=390. ms 64 bytes from 128.32.133.1: icmp_seq=1247. time=400. ms 64 bytes from 128.32.133.1: icmp_seq=1248. time=370. ms 64 bytes from 128.32.133.1: icmp_seq=1249. time=680. ms 64 bytes from 128.32.133.1: icmp_seq=1250. time=759. ms 64 bytes from 128.32.133.1: icmp_seq=1251. time=360. ms 64 bytes from 128.32.133.1: icmp_seq=1252. time=230. ms 64 bytes from 128.32.133.1: icmp_seq=1253. time=260. ms 64 bytes from 128.32.133.1: icmp_seq=1254. time=300. ms 64 bytes from 128.32.133.1: icmp_seq=1255. time=370. ms 64 bytes from 128.32.133.1: icmp_seq=1256. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=1257. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=1258. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=1269. time=6619. ms 64 bytes from 128.32.133.1: icmp_seq=1270. time=5619. ms 64 bytes from 128.32.133.1: icmp_seq=1271. time=4629. ms 64 bytes from 128.32.133.1: icmp_seq=1272. time=5399. ms 64 bytes from 128.32.133.1: icmp_seq=1273. time=4399. ms 64 bytes from 128.32.133.1: icmp_seq=1275. time=2400. ms 64 bytes from 128.32.133.1: icmp_seq=1276. time=1780. ms 64 bytes from 128.32.133.1: icmp_seq=1277. time=3729. ms 64 bytes from 128.32.133.1: icmp_seq=1278. time=4239. ms 64 bytes from 128.32.133.1: icmp_seq=1279. time=3240. ms 64 bytes from 128.32.133.1: icmp_seq=1280. time=2340. ms 64 bytes from 128.32.133.1: icmp_seq=1281. time=1340. ms 64 bytes from 128.32.133.1: icmp_seq=1282. time=709. ms 64 bytes from 128.32.133.1: icmp_seq=1283. time=220. ms 64 bytes from 128.32.133.1: icmp_seq=1284. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=1285. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=1286. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=1287. time=190. ms 64 bytes from 128.32.133.1: icmp_seq=1288. time=880. ms 64 bytes from 128.32.133.1: icmp_seq=1289. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=1291. time=250. ms 64 bytes from 128.32.133.1: icmp_seq=1292. time=750. ms 64 bytes from 128.32.133.1: icmp_seq=1293. time=2039. ms 64 bytes from 128.32.133.1: icmp_seq=1294. time=1089. ms 64 bytes from 128.32.133.1: icmp_seq=1295. time=290. ms 64 bytes from 128.32.133.1: icmp_seq=1296. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=1297. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=1298. time=280. ms 64 bytes from 128.32.133.1: icmp_seq=1299. time=650. ms 64 bytes from 128.32.133.1: icmp_seq=1300. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=1301. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=1302. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=1303. time=200. ms 64 bytes from 128.32.133.1: icmp_seq=1304. time=170. ms 64 bytes from 128.32.133.1: icmp_seq=1305. time=220. ms 64 bytes from 128.32.133.1: icmp_seq=1306. time=359. ms 64 bytes from 128.32.133.1: icmp_seq=1307. time=270. ms 64 bytes from 128.32.133.1: icmp_seq=1308. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=1309. time=180. ms 64 bytes from 128.32.133.1: icmp_seq=1310. time=240. ms 64 bytes from 128.32.133.1: icmp_seq=1311. time=240. ms 64 bytes from 128.32.133.1: icmp_seq=1312. time=220. ms 64 bytes from 128.32.133.1: icmp_seq=1313. time=230. ms 64 bytes from 128.32.133.1: icmp_seq=1314. time=210. ms 64 bytes from 128.32.133.1: icmp_seq=1315. time=190. ms ----berkeley.edu PING Statistics---- 1316 packets transmitted, 681 packets received, 48% packet loss round-trip (ms) min/avg/max = 159/1106/10509