[cisco-voip] Split Cluster across the US

Lelio Fulgenzi lelio at uoguelph.ca
Thu Dec 15 23:32:17 EST 2011


The cool thing is that all (most of) the R&D&EDU networks join together and share in the benefits. I had less than 150ms RTT trace routing some colleges in the UK. 

Sent from my iPhone

On Dec 15, 2011, at 11:17 PM, Mike King <me at mpking.com> wrote:

> In the US, one of those R&D&EDU networks is the National Lamda Rail.   http://www.nlr.net/about.php 
> 
> It's possible.
> 
> On Thu, Dec 15, 2011 at 6:44 PM, Lelio Fulgenzi <lelio at uoguelph.ca> wrote:
> for Ted - is the client on an R&D&Edu network? if you're not familiar with it, many countries operate R&D&Edu networks that operate along side the "commercial" internet with higher speeds and lower RTTs. if a commercial company can swing it, they can sometimes ride over this pipe as well.
> 
> 
> 
> ---
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (ANNU)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> Cooking with unix is easy. You just sed it and forget it. 
>                               - LFJ (with apologies to Mr. Popeil)
> 
> 
> From: "Wes Sisk" <wsisk at cisco.com>
> To: "Ted Nugent" <tednugent73 at gmail.com>
> Cc: "Cisco VoIPoE List" <cisco-voip at puck.nether.net>
> Sent: Thursday, December 15, 2011 6:29:41 PM
> Subject: Re: [cisco-voip] Split Cluster across the US
> 
> 
> When last I checked it was not possible to do that coast to coast and meet requisite RTT.
> 
> Exceeding recommended round trip time is recipe for disaster.
> 
> /wes
> 
> On Dec 15, 2011, at 10:22 AM, Ted Nugent wrote:
> 
> Has anyone successfully deployed a split cluster on either side of the nation (aka NY and LA) or something similar? I know this is an odd question however I have a client that is pushing this "design" hard and is saying that they have "Cisco's blessing" on it? They are also saying their RTT is below 80ms which I find difficult to believe...  _______________________________________________
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