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Path: sserve!newshost.anu.edu.au!harbinger.cc.monash.edu.au!msuinfo!agate!howland.reston.ans.net!pipex!sunic!trane.uninett.no!nac.no!eunet.no!nuug!EU.net!uunet!news.iij.ad.jp!sranha.sra.co.jp!sranhd.sra.co.jp!sran230.sra.co.jp!nisimura From: nisimura@sra.co.jp (Tohru Nisimura) Newsgroups: comp.unix.bsd Subject: Re: routing/ARP table code in BSD 4.4-Lite.. Date: 31 Jul 1994 05:17:36 GMT Organization: Software Research Associates, Inc., Japan Lines: 34 Distribution: world Message-ID: <31fc5g$c8r@sran230.sra.co.jp> References: <SHAMASH.94Jul28140141@blues.boxhill.com> NNTP-Posting-Host: sras29.sra.co.jp shamash@boxhill.com (Ari Shamash) wrote; > The routing code in BSD 4.4-Lite changed significantly since BNR2, and > BNR2 differs significantly from its predecessors (i.e. BSD 4.2). > ..... > Anyway, is there a paper somewhere describing how these subsystems > work, what the programmer interfaces to them are, etc? About the implematation of RADIX TREE, look; A Tree-Based Packet Routing Table for Berkeley Unix Keith Sklower 1991 Winter Dalls USENIX I have once heard that radix tree would be got rid from BSD and another routing mechanism would be implemented. 4.4BSD (-Lite) seems not to have it (yet). Ooops, where is bstream ? (somewhere is mid-west ?) > I am looking > for something like the daemon book's chapter on networking, but > updated to include the changes made 4.4 BSD. Many people seem to be much interested in (modern) BSD internals, "the daemon book" is out-of-date. It might be "a good text" in late '80, apparently it is not a hitch hickers' guide for (modern) BSD internals. In the area of OS research, so many hot/important topics, ideas and implementations were archived for last few years. Eventually some of them were accepted by markets. I hope someone would summarise in a good CS book. Software Research Associates, Inc. Tokyo Japan Tohru Nishimura In a sense, computer engineering is just re-inventing gadgets which someone already done long before.