[Isis-wg] IS-IS Extensions for Traffic Engineering

[Grant Mills]

Ooops please excuse the "daft" typo

>... but how do I map the old
>scheme to the daft proposal?

Grant Mills wrote:
> 
> A quick query regarding draft-ietf-isis-traffic-01.
> 
> In RFC 1195 we implement the Internal and External IP reachibilty TLVs in LSPs for ISIS routes (Internal), Non ISIS routes
> (External), for example (depending on route propagation policies). In addition the TLV allows the specification of metrics as being
> internal or external as well.
> 
> In the traffic engineering draft a single TLV (135) is used to hold IP reachibility information. However I do not see any bit field
> for specifying External/Internal for these routes. The internal/external bit for metrics I can live without but how do I map the old
> scheme to the daft proposal? Is there an unspecified Sub-TLV for doing this? Is the idea to go from old world Level1 Internal,
> Level2 Internal/External routes to just flat Level1 and Level2 routes?
> 
> Regards,
> 
> Grant.
> 
> --
> ______________________________________________________________________
> 
> Grant Mills,                            Tel:   +44 (1252) 360013
> Lucent Technologies Inc.,       __      Fax:   +44 (1252) 360077
> InterNetworking Systems UK,   //  \\
> Suites 11/12, First Base,     ||  ||    URL:   http://www.lucent.com
> Beacontree Plaza,             \\__//
> Gillette Way,                           Email:
> Reading, Berks, RG2 0BS,                     grant.mills@lucent.com
> United Kingdom.                              grant.mills@bell-labs.com
> ______________________________________________________________________
> 
> _______________________________________________
> Isis-wg mailing list  -  Isis-wg@external.juniper.net
> http://external.juniper.net/mailman/listinfo/isis-wg

-- 
______________________________________________________________________

Grant Mills,                            Tel:   +44 (1252) 360013
Lucent Technologies Inc.,       __      Fax:   +44 (1252) 360077
InterNetworking Systems UK,   //  \\
Suites 11/12, First Base,     ||  ||    URL:   http://www.lucent.com
Beacontree Plaza,             \\__//           
Gillette Way,                           Email: 
Reading, Berks, RG2 0BS,                     grant.mills@lucent.com
United Kingdom.                              grant.mills@bell-labs.com
______________________________________________________________________