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In-Reply-To: <200401212027.i0LKRCY17913@diablo.powerpulse.cc> Cc: <nanog@merit.edu> From: Phil Rosenthal <pr@isprime.com> Date: Wed, 21 Jan 2004 15:50:58 -0500 To: "Jim Devane" <jim@powerpulse.cc> Errors-To: owner-nanog-outgoing@merit.edu On Jan 21, 2004, at 3:27 PM, Jim Devane wrote: > Hello, > > =A0 > > I am trying to determine for myself the relevance of Intelligent=20 > Routing Devices like Sockeye, Route Science etc. I am not trying to=20 > determine who does it better, but rather if the concept of optimizing=20= > routes is addressing a significant problem in terms of improved=20 > traffic performance ( not in cost savings of disparate transit pipes ) > > I am interested in hearing other views ( both for and against ) these=20= > devices in the context of optimizing latency for a small multi-homed=20= > ISP. I want to make sure I understand their context correctly and have=20= > not missed any important points of view. > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 My questions are these: > > =A0 > > =93Is sub-optimal routing caused by BGP so pervasive it needs to be=20 > addressed?=94 > > =93Are these devices able to effectively address the need?=94 > > =A0 BGP makes no decisions based on "quality" of a route. If you are using=20= anything that's dependent on low latency/packet loss/jitter (eg, VoIP,=20= games, ssh for someone who gets annoyed by >20ms of latency, etc),=20 there's lots of room for improvement, especially when you are buying=20 from "bargain" transit's. Everyone I know who's used a device like Sockeye, Route Science, etc,=20 falls into one of two categories. 1) For reasons unrelated to them owning said device, I consider them to=20= be generally lacking clue. 2) They hated it. I've never used one myself, but based on testimonials like that, I'd=20 tend to say that they generally don't work too well. If you hire a consultant who knows what they're doing, it should be=20 pretty simple to set up a meaningful routing policy which does this for=20= you. Just my $0.02 --Phil Rosenthal ISPrime, Inc.
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