Newsgroups: comp.protocols.tcp-ip
Path: utzoo!henry
From: henry@utzoo.uucp (Henry Spencer)
Subject: Re: trailers and their subtleties
Message-ID: <1988Sep9.182202.14047@utzoo.uucp>
Organization: U of Toronto Zoology
References: <10208@s.ms.uky.edu> <8809061604.AA29996@monk.proteon.com>
Date: Fri, 9 Sep 88 18:22:02 GMT

In article <8809061604.AA29996@monk.proteon.com> jas@proteon.COM (John A. Shriver) writes:
>Sun does not reccomend trailers because they don't even offer their
>(alleged) benefits on a Sun.  They depended on the fact that a VAX has
>two memory maps...

They also depended on the fact that a VAX has relatively small pages.
It's impossible for an Ethernet packet to be a multiple of the page size
of any modern Sun.  (Sun 3 pages are 8KB; I think even the Sun 2 used 2KB.)
-- 
NASA is into artificial        |     Henry Spencer at U of Toronto Zoology
stupidity.  - Jerry Pournelle  | uunet!attcan!utzoo!henry henry@zoo.toronto.edu