[PWE3] [Technical Errata Reported] RFC5003 (3411)

RFC Errata System <rfc-editor@rfc-editor.org> Thu, 15 November 2012 20:17 UTC

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Subject: [PWE3] [Technical Errata Reported] RFC5003 (3411)
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The following errata report has been submitted for RFC5003,
"Attachment Individual Identifier (AII) Types for Aggregation".

--------------------------------------
You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=5003&eid=3411

--------------------------------------
Type: Technical
Reported by: Rajiv Asati <rajiva@cisco.com>

Section: 3.2

Original Text
-------------

     o Prefix = The 32-bit prefix is a value assigned by the provider or
       it can be automatically derived from the PE's /32 IPv4 loopback
       address.  Note that, for IP reachability, it is not required that
       the 32-bit prefix have any association with the IPv4 address
       space used in the provider's IGP or BGP.


Corrected Text
--------------

     o Prefix = The 32-bit prefix is a value assigned by the provider or
       it can be automatically derived from the PE's router-id i.e. LSR Id.
       Note that it is not required that
       the 32-bit prefix is IP routable or have any association with the 
       IPv4 address space used in the provider's IGP or BGP. 


Notes
-----
The intent of this RFC is to treat the 32bit prefix as a number that provides uniqueness in the network (within the ASN). While it can be derived from the IPv4 /32 Loopback address, it causes confusion when routers are configured with no IPv4. It is better to suggest using router-id used by LDP for calculating the LSR identifier. How is router-id calculated is outside the scope of this document.`

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--------------------------------------
RFC5003 (draft-ietf-pwe3-aii-aggregate-02)
--------------------------------------
Title               : Attachment Individual Identifier (AII) Types for Aggregation
Publication Date    : September 2007
Author(s)           : C. Metz, L. Martini, F. Balus, J. Sugimoto
Category            : PROPOSED STANDARD
Source              : Pseudo Wire Emulation Edge to Edge INT
Area                : Internet
Stream              : IETF
Verifying Party     : IESG