Network Ring

ty chan chanty_kh at
Mon Sep 7 04:14:03 UTC 2009

Dear all,

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. 

I know you all are in those network for years. can you give me some advises?  

Best regards,

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