RE: [RPRWG] TDM or ATM/FR service emulation over RPR ring
Hi Leon,
Thanks for your timely reply, pls see my inline comment .
______________________________________
(Mr.) Yu Ning, Chief Engineer
ChinaNET (AS4134) Senior Support
Internet Dep. DCBU, China Telecom
Beijing, P.R.China +86-10-62072357
Personal Page-> http://navidog.126.com
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|-----Original Message-----
|From: Leon Bruckman [mailto:leonb@xxxxxxxxxxxxx]
|Sent: Tuesday, March 05, 2002 5:20 PM
|To: 'Yu Ning'
|Cc: 'stds-802-17@xxxxxxxx'
|Subject: RE: [RPRWG] TDM or ATM/FR service emulation over RPR ring
|
|
|Hi Yu,
|RPR Standard defines a MAC and does not deal directly with how to transport
|the services. It provides Classes of Service that can be used to transport
|different services, but these classes are defined based on their
|characteristics (delay, delay variation,..) and not on the type of service.
|
|As for the specific way of transporting TDM/FR/ATM over packet networks I
|recommend you to look in the IETF PWE3 work.
|
Yes, thanks for your remindering. I've checked the charter of PWE3 WG, my
former question concerning encap. should be drafted there.
But it seems the detail draft with RPR as underlying transporting protocol is
left empty now, possiblly due to the current pre-standard phase of RPR itself.
PWE3 WG currently chooses only IP, L2TP, MPLS as transporting protocol.
So the current product like from Luminous, Riverstone is only proprietary
solution.