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- From: hedrick@geneva.rutgers.edu (Charles Hedrick)
- Newsgroups: comp.os.linux
- Subject: Re: (C)SLIP
- Message-ID: <Jan.3.13.49.52.1993.27509@geneva.rutgers.edu>
- Date: 3 Jan 93 18:49:52 GMT
- References: <1993Jan3.051231.9501@cbfsb.cb.att.com>
- Organization: Rutgers Univ., New Brunswick, N.J.
- Lines: 34
-
- wto@cbnewsg.cb.att.com (William T. O Connell) writes:
-
- >Is anybody using (C)SLIP -or- know where to get it for linux?
- >If not, is there anybody working on this? (if so, I would be
- >willing to act as a test site -or- try to help 8-) ).
-
- There are two separate SLIPs. One is the ALPHA version that you
- noticed. It works with the kernel-based TCP code. The other is KA9Q.
- This is a user-mode implementation, which does not depend upon
- anything in the kernel (except support for the serial port, of
- course). KA9Q performs well and is stable, but (1) supports fewer
- services (primarily FTP, client telnet, and X) (2) everything is done
- through a single program, so you can't have different applications
- running in different windows. (The exception is the X support.) It
- supports Van Jacobson header compression, i.e. CSLIP. The telnet
- should be fairly good (probably better than the typical versions
- supplied with Unix implementations). Its user interface is modelled
- after Cisco's terminal servers (which are themselves modelled after
- the TOPS-20 "tn"). It reacts to ^S, ^Q, ^C and ^O locally (if your
- telnetd implements the necessary telnet options -- many do not).
- Other facilities are of lower quality (roughly proportional to how
- often I use them). It's in tsx-11 binaries/usr.bin/ka9qbin.7.tar.Z
- with source in source/usr.bin/ka9qsrc.7.tar.Z. Installation
- instructions are with the binary. (If you're using anything older
- than 7, you should upgrade, as 7 fixes a serious bug with header
- compression, and implements mget and mput in FTP.) Various people
- have made other features work, such as incoming telnet and some kind
- of mail support, but I haven't had to time integrate them into my
- copy, which is what's on tsx-11.
-
- I don't know much about the kernel implementation of SLIP, but from
- the author's comments in the mailing list, it doesn't sound like it's
- stable yet. It doesn't do header compression. However it would give
- you access to the full set of networking utilities.
-