FW: path TLV & srlg TLV

[Jun Yu <jyu@fwion.com>]

> I have a question regarding the latest version of "LSP Hierarchy with
> Generalized MPLS TE". 
> 
> Section 4.1.10, the context is changed to "SRLG Information" from the
> previous "Path Information".
> 
> Is  it the intention  of the WG to advertise only SRLG info in the OSPF
> LSA (for example) using SRLG sub-TLV, instead of the previous way of
> advertising path information using Path sub-TLV?
> 
> I have the confusion because the latest version of "Generalized
> Multi-Protocol Label Switching (GMPLS) Architecture" (March 02) still
> talks about path TLV in section 10.1 "Routing and Forwarding Adjacencies".
> 
> Could somebody please clarify this?
> 
> Also, if only the SRLG information is advertised, then does it implies
> that GMPLS will only support SRLG diversity? Because without the path
> information, Link diversity and Node diversity (as specified in OIF UNI
> 1.0) will not be possible when doing source routing.
> 
> Thanks.
> 
-Jun Yu
Firstwave Intelligent Optical Networks,
(301) 345 2137


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