Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!uunet!seismo!sundc!pitstop!sun!amdcad!cae780!hplabs!ucbvax!UDEL.EDU!Mills From: Mills@UDEL.EDU Newsgroups: comp.protocols.tcp-ip Subject: Re: NSFNET woe: causes and consequences Message-ID: <8710082023.aa25223@Huey.UDEL.EDU> Date: Thu, 8-Oct-87 20:23:06 EDT Article-I.D.: Huey.8710082023.aa25223 Posted: Thu Oct 8 20:23:06 1987 Date-Received: Sun, 11-Oct-87 11:55:57 EDT Sender: usenet@ucbvax.BERKELEY.EDU Organization: The ARPA Internet Lines: 13 Ken, Thanks very much for your thoughtful and informative response. Like you, I do believe the proximate cause of the psc-gw problems is running short of virtual-circuit resources in the X25 interface; however, I am a little worried about the workaround you suggest - shortening the idle timer in the PSN itself. I have verified that packets do get lost if traffic is flowing at the time of the VC clear due to the interface itself, even in loopback. I think the eventual resolution must be rebuilding the driver to reclaim VCs on the basis of time and use, much the same way the PSNs must handle that for themselremacirI di