Hi all,


-07 & -08 have been uploaded following AD, directorates and IESG reviews.



Many changes are editorial.



A significant one is that Names of the TLV have changed:



>From  (-06) :
3. Advertising Encapsulation Capability . . . . . . . . . . . . 3

To  (-08) :
3. Tunnel Encapsulations TLV . . . . . . . . . . . . . . . . . . 3


4. Tunnel Encapsulation Type . . . . . . . . . . . . . . . . . . 4

4. Tunnel Sub-TLV . . . . . . . . . . . . . . . . . . . . . . . 3


5. Tunnel Encapsulation Attribute Sub-TLVs . . . . . . . . . . . 4

5. Tunnel Parameter Sub-TLVs . . . . . . . . . . . . . . . . . . 4











There is an outstanding comment from Joe Touch, asking to change the encoding 
of the Endpoint sub-TLV:

- currently the distinction between IPv4 and IPv6 is performed by checking the 
length field, as done by some RFCs and RFC 5512 (defining the original BGP 
tunnel extension)

- Joe is proposing to add an explicit Address Family field. This would also be 
aligned with the new BGP draft 
https://tools.ietf.org/html/draft-rosen-idr-tunnel-encaps-03#section-2.1





Clearly this encoding change would not be backward compatible. A priori, there 
should not be running code as there is no early IANA allocation of the code 
points.

- Any opinion regarding encoding preference?

- Would this change be an issue for someone?





Thanks,

Regards,

--Bruno, on behalf of all authors.



> -----Original Message-----

> From: I-D-Announce [mailto:i-d-announce-boun...@ietf.org] On Behalf Of 
> internet-

> dra...@ietf.org

> Sent: Monday, September 18, 2017 5:33 PM

> To: i-d-annou...@ietf.org

> Cc: ospf@ietf.org

> Subject: I-D Action: draft-ietf-ospf-encapsulation-cap-08.txt

>

 >

 > A New Internet-Draft is available from the on-line Internet-Drafts 
 > directories.

> This draft is a work item of the Open Shortest Path First IGP WG of the IETF.

>

 >         Title           : The Tunnel Encapsulations OSPF Router Information

>         Authors         : Xiaohu Xu

>                           Bruno Decraene

>                           Robert Raszuk

>                           Luis M. Contreras

>                           Luay Jalil

>         Filename        : draft-ietf-ospf-encapsulation-cap-08.txt

>         Pages           : 10

>         Date            : 2017-09-18

>

 > Abstract:

>    Networks use tunnels for a variety of reasons.  A large variety of

>    tunnel types are defined and the tunnel encapsulator router needs to

>    select a type of tunnel which is supported by the tunnel decapsulator

>    router.  This document defines how to advertise, in OSPF Router

>    Information Link State Advertisement (LSAs), the list of tunnel

>    encapsulations supported by the tunnel decapsulator.

>

 >

 >

 > The IETF datatracker status page for this draft is:

> https://datatracker.ietf.org/doc/draft-ietf-ospf-encapsulation-cap/

>

 > There are also htmlized versions available at:

> https://tools.ietf.org/html/draft-ietf-ospf-encapsulation-cap-08

> https://datatracker.ietf.org/doc/html/draft-ietf-ospf-encapsulation-cap-08

>

 > A diff from the previous version is available at:

> https://www.ietf.org/rfcdiff?url2=draft-ietf-ospf-encapsulation-cap-08

>

 >

 > 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/

>

 > _______________________________________________

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