The MPLS WG Archive

[Vikram Venkataraghavan <vikramv25@yahoo.com>]

In the MPLS Architecture document
(draft-ietf-mpls-arch-06), there are listed three
encoding techniques for MPLS labels to encoded
directly into the VPI/VCI fields in an ATM AAL5
header.
1. SVC Encoding
2. SVP Encoding
3. SVP Multipoint Encoding

The document also points out that there is no
interoperability mechanism between ATM LSRs that use
different kinds of encoding.

Please tell me which kind of encoding is prefered in
the industry and why? (concerning the design of ATM
LSRs)

Thanks in advance,
Vikram Venkataraghavan
NEC America

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