Re: I-D Action: draft-ietf-isis-segment-routing-extensions-14.txt

Hi,

There appears to be no explicit typing for the SID.

Clearly it can be a MPLS label, an IPv6 address, but in the future it 
might be something else. How does a parser know the SID type?

Thanks

Stewart


On 15/12/2017 18:30, Jeff Tantsura wrote:
> Les,
>
> Thanks for doing that, great!
>
> Cheers,
> Jeff
>
> -----Original Message-----
> From: Isis-wg <[email protected]> on behalf of "Les Ginsberg (ginsberg)" <[email protected]>
> Date: Friday, December 15, 2017 at 10:09
> To: "[email protected]" <[email protected]>
> Subject: Re: [Isis-wg] I-D Action: draft-ietf-isis-segment-routing-extensions-14.txt
>
>      I have assumed the editor role from Stefano.
>      
>      This new version restores the support for SID/Label sub-TLV in the SID/Label Binding TLV - needed to support Mirror Context (as requested by Chris Bowers).
>      It also addresses some IANA related issues - including the conflicting code point w the MSD draft.
>      
>      Some other minor editorial changes have been made.
>      
>      Thanx.
>      
>         Les
>      
>      
>      > -----Original Message-----
>      > From: Isis-wg [mailto:[email protected]] On Behalf Of internet-
>      > [email protected]
>      > Sent: Friday, December 15, 2017 9:37 AM
>      > To: [email protected]
>      > Cc: [email protected]
>      > Subject: [Isis-wg] I-D Action: draft-ietf-isis-segment-routing-extensions-
>      > 14.txt
>      >
>      >
>      > A New Internet-Draft is available from the on-line Internet-Drafts directories.
>      > This draft is a work item of the IS-IS for IP Internets WG of the IETF.
>      >
>      >         Title           : IS-IS Extensions for Segment Routing
>      >         Authors         : Stefano Previdi
>      >                           Les Ginsberg
>      >                           Clarence Filsfils
>      >                           Ahmed Bashandy
>      >                           Hannes Gredler
>      >                           Stephane Litkowski
>      >                           Bruno Decraene
>      >                           Jeff Tantsura
>      > 	Filename        : draft-ietf-isis-segment-routing-extensions-14.txt
>      > 	Pages           : 34
>      > 	Date            : 2017-12-15
>      >
>      > Abstract:
>      >    Segment Routing (SR) allows for a flexible definition of end-to-end
>      >    paths within IGP topologies by encoding paths as sequences of
>      >    topological sub-paths, called "segments".  These segments are
>      >    advertised by the link-state routing protocols (IS-IS and OSPF).
>      >
>      >    This draft describes the necessary IS-IS extensions that need to be
>      >    introduced for Segment Routing operating on an MPLS data-plane.
>      >
>      >
>      >
>      > The IETF datatracker status page for this draft is:
>      > https://datatracker.ietf.org/doc/draft-ietf-isis-segment-routing-extensions/
>      >
>      > There are also htmlized versions available at:
>      > https://tools.ietf.org/html/draft-ietf-isis-segment-routing-extensions-14
>      > https://datatracker.ietf.org/doc/html/draft-ietf-isis-segment-routing-
>      > extensions-14
>      >
>      > A diff from the previous version is available at:
>      > https://www.ietf.org/rfcdiff?url2=draft-ietf-isis-segment-routing-
>      > extensions-14
>      >
>      >
>      > Please note that it may take a couple of minutes from the time of submission
>      > until the htmlized version and diff are available at tools.ietf.org.
>      >
>      > Internet-Drafts are also available by anonymous FTP at:
>      > ftp://ftp.ietf.org/internet-drafts/
>      >
>      > _______________________________________________
>      > Isis-wg mailing list
>      > [email protected]
>      > https://www.ietf.org/mailman/listinfo/isis-wg
>      
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