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1990-09-21
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From ddsw1!ucsd.edu!tcp-digest-relay Fri Sep 21 12:25:34 1990 remote from indep1
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Message-Id: <9009211130.AA18917@ucsd.edu>
Date: Fri, 21 Sep 90 04:30:15 PDT
From: Advanced Amateur Radio Networking Group </dev/null@ucsd.edu>
Reply-To: TCP-Group@UCSD.Edu
Subject: TCP-Group Digest V90 #144
To: tcp-group-digest@ucsd.edu
TCP-Group Digest Fri, 21 Sep 90 Volume 90 : Issue 144
Today's Topics:
*Silence*
auto- vs. manual routing
Automatic vs. Manual routing
Problems with compiling NOS
Terminal Emulation in G1EMM NOS
Send Replies or notes for publication to: <TCP-Group@UCSD.Edu>.
Subscription requests to <TCP-Group-REQUEST@UCSD.Edu>.
Problems you can't solve otherwise to brian@ucsd.edu.
Archives of past issues of the TCP-Group Digest are available
(by FTP only) from UCSD.Edu in directory "mailarchives".
----------------------------------------------------------------------
Date: Thu, 20 Sep 90 10:11:47 PDT
From: ram@@.UCSD.EDU (Ramesh S. Rao)
Subject: *Silence*
To: tcp-group@ucsd.edu
****
From: Ramesh S. Rao (Ram)
Organization: Artecon
2460 Impala Drive, Carlsbad CA 92008, USA
Phone: 619-931-5500 Ext 173
Fax: 619-931-5527
****
X-Mailer: ELM [version 2.2 PL3]
Hey
Is this newsgroup *totally silent* or does my machine
not talk to outside world anymore ????
--
=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*
" I would rather have a bottle in front of me than frontal lobotomy "
=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*
Ramesh S Rao ::::: hp-sdd!artecon!ram (or) ram%artecon@sdd.hp.com :::::
619-931-5500 ::::: (or) ::::: (W)
619-434-9074 ::::: uunet!ram%artecon%sdd.hp.com@uunet.UU.NET ::::: (H)
=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*
------------------------------
Date: Thu, 20 Sep 90 07:50:27 cst
From: gerry@n5jxs.jsc.nasa.gov
Subject: auto- vs. manual routing
To: tcpgroup@ucsd.edu
Well. 1. YES. I DID FIX THE MANUAL ROUTE ERROR IN MY AUTOEXEC.NET.
2. We've had damn' little problem here in the backwaters of Houston with
automatic routing. Period. One exception: The overhead of frequent
(hourly) updates really jams up a busy network, especially with a mix of ax25
keyboard and tcp/ip users.
3. We've dropped down some from rip to rspf (some local folks have been
hacking on it) and have had pretty reasonable reports. NOTE: That's yet
another automatic routing scheme.
4. The problem we've had down this way is that there are 6-8 "permanent"
tcp/ip nodes up all the time, and a bunch of transients. With hard routing,
I've seen attempts to send mail, or connect for ftp sessions get lost when
one or another transient, who'd advertised that he was gonna stay up all the
time, dropped off-line to go chat with his buddy on 145.01 in unproto mode...
And, no, this hasn't been infrequent.
5. In a real-net application, here at Johnson Space Center, we "enjoy" hard
routes. +/- rip. Seems that it takes me no fewer than 8 hops to get out
from here, via NASA Ames Research Center, for anything. Also, hard routing, on
on my part to a more direct path doesn't work, because I have to go through
the local sysco router, and it wanders around JSC and ARC for a while before
deciding that bellcore.com isn't at one of the NASA centers... And that
sysco is hard-routed.
OK. I've said my piece. I know that there's a wide diversity of opinion on
manual routes, and I've got my own prejudices.
73, Gerry
n5jxs.jsc.nasa.gov
n5jxs.ampr.org
n5jxs@wb5bbw.hou.stx.usa
------------------------------
Date: Thu, 20 Sep 90 10:01:50 PDT
From: Brian Lloyd <brian@robin.telebit.COM>
Subject: Automatic vs. Manual routing
To: tcp-group@ucsd.edu
I try not to burden this group with a lot of postings but I feel that
I need to amplify on my previous automatic vs. manual routing comment.
I build IP based networks for a living and have a good deal of
experience with different routing protocols and the advantages or
disadvantages of routing protocols.
For the most part automatic routing protocols are a big win in a
network of any size. The only time manual routing is desirable over
automatic routing is when the internetwork is limited to a single
network.
On the other hand some automatic routing protocols, most notably RIP,
have a tendency to make things worse when the topology of the network
is very dynamic. In most cases it is only one or two gateways that
cause problems so the judicious use of manual routes and the rip
refuse command makes things relatively palatable.
I have no experience yet with RSPF but if memory serves me it is a
shortest path first (SPF) link state based routing protocol. In that
case it should be a big win over RIP (assuming that it is debugged and
working properly) and as such should be a big win for amateur packet
radio. Its transmissions should be smaller than RIP transmission too,
a very significant issue with our bandwidth limited networks.
Now lets look at it from the point of view of the neophyte. He/she is
new to TCP/IP and possibly new to packet radio. A good automatic
routing protocol allows his/her station to construct its own routing
tables. He/she does not need to learn the intricacies of routing.
Don't underestimate the power of simplicity. A good automatic routing
protocol will greatly enhance the desirability of TCP/IP.
73 de Brian, WB6RQN
------------------------------
Date: Tue, 18 Sep 90 11:38:15 LCL
From: <BROWN%UCF-TCP@langate.cc.ucf.edu>
Subject: Problems with compiling NOS
To: TCP-GROUP@UCSD.EDU
I 'm having trouble trying to compile the 0828 version of NOS. It seems
that some header files aren't being included in the source and I constantly
get undefined structures. I've had this problem with every version of NOS
I've tryed to compile. Am I missing some crucial file that needs to be
present? Is there anything that I need to set in TURBOC.CFG?
Any help would be appreciated,
Bill Brown
University of Central Florida Computer Services
Internet: brown%ucf-fs200@langate.cc.ucf.edu
BITNET: BROWN@UCF1VM.BITNET
------------------------------
Date: Thu, 20 Sep 90 10:13:46 CDT
From: val!ben@cs.utexas.edu (Ben Thornton)
Subject: Terminal Emulation in G1EMM NOS
To: tcp-group@ucsd.edu
I have been running a dialup SLIP link from my NOS machine
at home to a Sun 3/60 workstation at VAL. A problem I have had
concerns terminal emulation in TELNET. Does anyone here have
a termcap entry that will allow me to use vi or whatever without
having my screen switch to 40 column mode? :-)
Ben
--
Ben Thornton packet: WD5HLS @ KB5PM Internet: ben@val.com
Video Associates uucp: ...!cs.utexas.edu!val!ben
Austin, TX fidonet: 1:382/40 - The Antenna Farm BBS
------------------------------
End of TCP-Group Digest
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