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Re: VoIP QOS best practices
From: Jason Lixfeld <jlixfeld () andromedas com>
Date: Mon, 10 Feb 2003 11:57:48 -0500

Providing your sites are local to the same ISP, that would be fine. Worst case scenario and probably a more likely scenario in most cases is that company A has a satellite office in Boston, one in Sydney and one in Tokyo while their head office is in Toronto. Not a very wide range of providers who can reach those areas, not to mention wether or not they can deliver MPLS.

On Monday, February 10, 2003, at 11:52 AM, Christopher J. Wolff wrote:


My strategy would be to use the same carrier at point A and point B and
purchase some kind of high-priority MPLS switching config between the
two.  I believe Global Crossing offers something like this where they
differentiate between the proletarian traffic and the uber-business

The other thing to keep in mind is that QoS only comes into play when
you saturate your links.

Christopher J. Wolff, VP, CIO
Broadband Laboratories, Inc.

-----Original Message-----
From: owner-nanog () merit edu [mailto:owner-nanog () merit edu] On Behalf Of
Jason Lixfeld
Sent: Monday, February 10, 2003 9:47 AM
To: nanog () nanog org
Subject: VoIP QOS best practices

Looking for some links to case studies or other documentation which
describe implementing VoIP between sites which do not have point to
point links.  From what I understand, you can't enforce end-to-end QoS
on a public network, nor over tunnels.  I'm wondering if my basic
understanding of this is flawed and in the case that it's not, how is
this dealt with if the ISPs of said sites don't have any QoS policies?


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