Network Ring

Nathan Ward nanog at
Mon Sep 7 06:09:45 UTC 2009

On 7/09/2009, at 4:14 PM, ty chan wrote:

> 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.

But it really depends what you need to do. If you're selling customers  
cross-town L2 services then yeah VPLS is the best option in my opinion.
If this is for use between your own equipment, other technologies  
might make more sense.

I echo Roland's comment, but I'll make it more specific - stay away  
from anything with spanning tree in it.

Nathan Ward

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