[117229] in North American Network Operators' Group

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RE: Network Ring

daemon@ATHENA.MIT.EDU (Rod Beck)
Mon Sep 7 09:56:22 2009

Date: Mon, 7 Sep 2009 14:54:45 +0100
From: "Rod Beck" <Rod.Beck@hiberniaatlantic.com>
To: <sthaug@nethelp.no>,
	<nanog@daork.net>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

=20
> > I am in process of planning ring network to cover 15 POPs in City. =20
> > Some technologies are chosen for consideration like SDH(Huawei), =20
> > PVRST+(Cisco), RSTP(Zyxel), EAPS (extreme network) and MPLS(VPLS). =20
> > The purpose is to provide L2 Ethernet connectivities from POPs to =20
> > central point (DC) and ring protection.
>=20
> Of the above, VPLS.

Strongly disagree. VPLS gives you ample rope to hang yourself. An L2
ring-based protocol like EAPS is much simpler to deploy.

Steinar Haug, Nethelp consulting, sthaug@nethelp.no

What is EAPS?

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