Network Ring

Rod Beck Rod.Beck at
Mon Sep 7 13:54:45 UTC 2009

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

What is EAPS?

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