Hi Uma,
   there is very important difference with admin tags.
Admin tags have known formatting. Because of this it is possible to advertise a tag from implementation even if it doesn't support functionality which local network policy designates to the tag. Self-defined TLV does not have fixed formatting known beforehand. So only the implementation which is aware of its internals can originate and interpret it. For this reason it is more like Experimental or Vendor-Specific Sub-TLV.

Anton


On 10/16/2014 01:30 AM, Uma Chunduri wrote:
Dear OSPF WG,

  Please see the link for the document below.

Abstract:
    This document proposes a TLV within the body of the OSPF Router
    Information (RI) Opaque LSA, called Self-defined Sub-TLV Container
    TLV.  Here the term OSPF means both OSPFv2 and OSPFv3.      

Comments/Concerns/Suggestions welcome!

--
Uma C.


-----Original Message-----
From: [email protected] [mailto:[email protected]]
Sent: Wednesday, October 15, 2014 3:32 PM
To: Uma Chunduri; Luis M. Contreras; Xiaohu Xu; Luis M.Contreras; Xiaohu Xu; 
Uma Chunduri
Subject: New Version Notification for 
draft-chunduri-ospf-self-defined-sub-tlvs-00.txt


A new version of I-D, draft-chunduri-ospf-self-defined-sub-tlvs-00.txt
has been successfully submitted by Uma Chunduri and posted to the IETF 
repository.

Name:           draft-chunduri-ospf-self-defined-sub-tlvs
Revision:       00
Title:          Using Self-defined Sub-TLVs for Agile Service Deployment
Document date:  2014-10-15
Group:          Individual Submission
Pages:          7
URL:            
http://www.ietf.org/internet-drafts/draft-chunduri-ospf-self-defined-sub-tlvs-00.txt
Status:         
https://datatracker.ietf.org/doc/draft-chunduri-ospf-self-defined-sub-tlvs/
Htmlized:       
http://tools.ietf.org/html/draft-chunduri-ospf-self-defined-sub-tlvs-00


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