nanog mailing list archives
Re: Exodus/C&W Depeering
From: Hank Nussbacher <hank () att net il>
Date: Tue, 26 Mar 2002 22:49:09 +0200
At 10:18 AM 26-03-02 -0800, Bill Woodcock wrote:
On Tue, 26 Mar 2002, Stephen J. Wilcox wrote: > You mean Exodus are well connected and C&W limit themselves which gives > longer paths and increased latency. Longer paths definitely, increased jitter probably, increased latency probably, increased loss possibly.
In general, as companies and backbones merge and eliminate "old" ASNs, that would reduce the overall AS path length. That in general should not affect latency but as tier-1 ASNs grow in size, and control more of the path end to end, the latency should improve. The majors/tier1s like AT&T, UUnet, Genuity and C&W provide SLAs "end-to-end" *within* their ASN. They control the pipes, they know what they can take and they don't have to worry about some overloaded peering link. So as consolidation takes place, we should see better latencies and better SLAs.
-Hank
C&W obviously have to have a lot of peering as well, since it's all they have to sell to their customers. However, their peering tends to be limited to a small number of peers to whom they have large connections, whereas Exodus had a large number of peers to whom they had medium-sized connections. So the average hop-count and as-path length for the Internet as a whole are both increased by this action, and nearly all paths increase in length for Exodus customers. So yes, Exodus customers are the big losers in the wake of this. -Bill
Current thread:
- Re: Exodus/C&W Depeering, (continued)
- Re: Exodus/C&W Depeering German Martinez (Mar 26)
- Re: Exodus/C&W Depeering Joseph T. Klein (Mar 26)
- Re: Exodus/C&W Depeering Bill Woodcock (Mar 26)
- Re: Exodus/C&W Depeering Bill Woodcock (Mar 26)
- Re: Exodus/C&W Depeering Allan Liska (Mar 26)
- Re: Exodus/C&W Depeering Stephen J. Wilcox (Mar 26)
- Re: Exodus/C&W Depeering Bill Woodcock (Mar 26)
- Re: Exodus/C&W Depeering Chris Woodfield (Mar 26)
- Re: Exodus/C&W Depeering Bill Woodcock (Mar 26)
- Re: Exodus/C&W Depeering Jesper Skriver (Mar 26)
- Re: Exodus/C&W Depeering Hank Nussbacher (Mar 26)
- RE: Exodus/C&W Depeering Deepak Jain (Mar 26)
- Re: Exodus/C&W Depeering Bill Woodcock (Mar 26)
- Re: Exodus/C&W Depeering German Martinez (Mar 26)
- RE: Exodus/C&W Depeering Sean Donelan (Mar 26)
- Re: Exodus/C&W Depeering Chris Woodfield (Mar 26)
- Re: Exodus/C&W Depeering Christian Nielsen (Mar 27)
- Re: Exodus/C&W Depeering Adam Rothschild (Mar 27)
- Re: Exodus/C&W Depeering Richard A Steenbergen (Mar 26)
- Re: Exodus/C&W Depeering Stephen J. Wilcox (Mar 26)
- Re: Exodus/C&W Depeering E.B. Dreger (Mar 26)