MPLS Support of Differentiated Services by ATM LSRs and Frame Relay LSRs
draft-wu-mpls-diff-ext-01
| Document | Type |
Expired Internet-Draft
(individual)
Expired & archived
|
|
|---|---|---|---|
| Authors | Dr. Bruce S. Davie , Pasi J. Vaananen , Liwen Wu , Pierrick Cheval , François Le Faucheur | ||
| Last updated | 1999-02-26 | ||
| RFC stream | (None) | ||
| Intended RFC status | (None) | ||
| Formats | |||
| Stream | Stream state | (No stream defined) | |
| Consensus boilerplate | Unknown | ||
| RFC Editor Note | (None) | ||
| IESG | IESG state | Expired | |
| Telechat date | (None) | ||
| Responsible AD | (None) | ||
| Send notices to | (None) |
This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:
Abstract
This document proposes updates to the current MPLS LDP and MPLS RSVP messages for LSP establishment in order to support Differentiated Services (Diff-Serv) over ATM LSRs and Frame Relay LSRs. In brief, we propose that: - a set of PHBs that requires no misordering of packets in a microflow (even if the microflow contains packets for more than one PHB) be defined as a PHB forwarding class (PFC); - packets that belong to the same PFC and the same forwarding equivalence class (FEC) should be transported over the same ATM LSP or FR LSP; - for a given FEC, a separate ATM LSP or FR LSP should be established for each PFC, so that multiple ATM or FR LSPs are established in parallel for support of Diff-Serv; - among the set of PHBs transported over the same ATM LSP or FR LSP, the different PHBs' drop precedences be mapped into, and enforced via, the layer 2 specific selective discard mechanism (CLP bit with ATM, DE bit with FR).
Authors
Dr. Bruce S. Davie
Pasi J. Vaananen
Liwen Wu
Pierrick Cheval
François Le Faucheur
(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)