Acee,
Don't you think that addressing the second is a major change enough
change that it should be done in a standalone draft?
Lou
On 11/28/2011 9:58 AM, Acee Lindem wrote:
> Hi Fatai,
> We have two separate requirements here. The ASON requirement is to be
> able to advertise reachability information for multiple ASON transport
> nodes. As you've noted, there has been an independent requirement to
> advertise more information than will fit in a single LSA. Our draft only
> addresses the first. However, we'll consider this when addressing
> Adrian's comments. Much of this depends on whether or not we do a second
> review and WG last call.
> Thanks,
> Acee
>
> On Nov 27, 2011, at 10:11 PM, Zhangfatai wrote:
>
>> Hi all,
>>
>> Can this relaxation be applicable to all the future OSFPv2 documents ?
>>
>>
>>
>>
>> Thanks
>>
>> Fatai
>>
>> *From:* [email protected]
>> <mailto:[email protected]> [mailto:[email protected]] *On
>> Behalf Of *Acee Lindem
>> *Sent:* 2011年11月28日 9:14
>> *To:* [email protected] <mailto:[email protected]> List
>> *Cc:* [email protected] <mailto:[email protected]>
>> *Subject:* [OSPF] Updates to ASON Routing for OSPFv2 Protocols (RFC
>> 5787bis) will Update RFC 5786
>>
>> Please note that this document relaxes the RFC 5786 restriction that
>> a Node Attribute TLV may only appear in a single OSPF TE LSA. Here is
>> the text:
>>
>> In order to support ASON reachability advertisement, the Node
>> Attribute TLV defined in [RFC5786] is used to advertise the
>> combination of a TE Router ID and its set of associated reachable
>> address prefixes. The Node Attribute TLV can contain the following
>> sub-TLVs:
>>
>> - TE Router ID sub-TLV: Length: 4; Defined in Section 6.2
>> - Node IPv4 Local Address sub-TLV: Length: variable; [RFC5786]
>> - Node IPv6 Local Address sub-TLV: Length: variable; [RFC5786]
>>
>> A router may support multiple transport nodes as discussed in section
>> 6, and, as a result, may be required to advertise reachability (ASON
>> SNPPs) separately for each transport node. As a consequence, it MUST
>> be possible for the router to originate more than one TE LSA
>> containing the Node Attribute TLV when used for ASON reachability
>> advertisement.
>>
>> Hence, the Node Attribute TLV [RFC5786] advertisement rules must be
>> relaxed for ASON. A Node Attribute TLV MAY appear in more than one TE
>> LSA originated by the RC when the RC is advertising reachability
>> information for a different transport node identified by the Local TE
>> Router Sub-TLV (refer to section 6.1).
>> Here is a link to the
>> document: http://www.ietf.org/id/draft-ietf-ccamp-rfc5787bis-03.txt
>>
>> If you have any concerns with this change, please send them to this
>> list with the CCAMP list copied.
>>
>> Thanks,
>> Acee
>>
>
>
>
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