nanog mailing list archives

Re: C&W Peering


From: Jared Mauch <jared () puck Nether net>
Date: Mon, 4 Jun 2001 20:14:50 -0400


        Uh.

        Why are you yelling at PSI when you have failed to do your
own calculations?  Perhaps they have taken data from
archive.route-views.org to determine what the actual loss of
connectivity was.

        I don't have the time to go out and validate the PSINet claims
of how much of the net is gone for them and their (single-homed)
customers.

        Perhaps someone who is more of a data processing person can go
out and provide some interesting data, such as

Number of ASNs single-homed (based on route-views data)
Top 5/10/20/25 providers based on as-path
Number of networks/ips/ASNs behind each of those top 5/10/20/25 that
        would be missing connectivity.

        - Jared

On Mon, Jun 04, 2001 at 07:55:14PM -0400, Christopher A. Woodfield wrote:

THE UNITED STATES and Offnet Connectivity                   
Cable & Wireless chose to terminate connectivity with       
PSINet on 2June01.  Over 90% of the traffic that used 
to be routed through C&W is now being routed via other means      
through our robust global free peering infrastructure.  
The remaining 10% or so represents C&W customers that have 
been deliberately cut off from PSINet by C&W.  While PSINet 
is ready and willing to re-establish connectivity with 
C&W at any time, it is up to C&W to choose to reverse their        
previous decision.  In the meantime, PSINet can offer  
services directly to those C&W customers that are affected. 

OK, PSI seems to assert that 90% of C&W networks are still accessable from 
PSI customers. NANOG research so far has determined that this is 
definitely *not* the case. If anyone has evidence to support PSI's claim, 
please post.

Dear PSI: this may not be directly your fault, but dammit, own up to the 
scope of the issue. It's in your interest to take advantage of being the 
"good guy" for once, so don't ruin it by lying about the scope of the 
problem.

I don't think that this is going to be solved by C&W reversing themselves; 
I think PSI is going to have to get itself some transit, and quickly. 

-C


On Mon, Jun 04, 2001 at 04:18:48PM -0700, John Starta wrote:

See PSINet's network status page (http://www.psi.com/cgi-bin/netstatus.pl5) 
for a possible answer.

jas

At 06:22 PM 6/4/01 -0400, Vivien M. wrote:
I suppose now PSI gets to learn the hard way what happens when they scared
half their peers away (to be polite...), and now find that a bunch of the
other half are now turning down their PSI peering links. (BTW, has it been
established here whether PSI or CW is to blame for this?)


-- 
---------------------------
Christopher A. Woodfield              rekoil () semihuman com

PGP Public Key: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xB887618B

-- 
Jared Mauch  | pgp key available via finger from jared () puck nether net
clue++;      | http://puck.nether.net/~jared/  My statements are only mine.


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