Re: [OSPF] New Version Notification for draft-acee-ospf-rfc6506bis-01.txt

I agree these are good changes. Acee, please move forward with this draft.

Thanks,
Michael

On 05/09/2013 11:03 AM, Acee Lindem wrote:
> There have been a couple errata filed on RFC 6505 (authors copied). As a service to the
> OSPF community and in an effort to ensure interoperable OSPFv3 authentication
> trailer implementations, I have produced a BIS draft. The changes are listed in
> section 1.2:
>
> 1.2.  Summary of Changes from RFC 6506
>
>     This document includes the following changes from RFC 6506 [RFC6506]:
>
>     1.  Sections 2.2 and 4.2 explicitly state the Link-Local Signalling
>         (LLS) block checksum calculation is omitted when an OSPFv3
>         authentication is used.  The LLS block is included in the
>         authentication digest calculation and computation of a checksum
>         is unneccessary.  Clarification of this issue was raised in an
>         errata.
>
>     2.  Section 4.5 includes a correction to the key preparation to use
>         the protocol specific key (Ks) rather than the key (K) as the
>         initial key (Ko).  This problem was also raised in an errata.
>
>     3.  Section 4.5 also includes a discussion of the choice of key
>         length to be the hash length (L) rather than the block size (B).
>         The discussion of this choice was included to clarify an issue
>         raised in a rejected errata.
>
>     4.  Section 4.1 indicates that sequence number checking is dependent
>         on OSPFv3 packet type in order to account for packet
>         prioritization as specified in [RFC4222].  This was an omission
>         from RFC 6506.
>
>
> I would like to quickly move this to an OSPF WG document and begin the review process. I'm now soliciting feedback on OSPF WG adoption.
>
> Thanks,
> Acee
>
>
> On May 9, 2013, at 1:43 PM, <internet-drafts@ietf.org>
>   wrote:
>
>>
>> A new version of I-D, draft-acee-ospf-rfc6506bis-01.txt
>> has been successfully submitted by Manav Bhatia and posted to the
>> IETF repository.
>>
>> Filename:	 draft-acee-ospf-rfc6506bis
>> Revision:	 01
>> Title:		 Supporting Authentication Trailer for OSPFv3
>> Creation date:	 2013-05-09
>> Group:		 Individual Submission
>> Number of pages: 25
>> URL:             http://www.ietf.org/internet-drafts/draft-acee-ospf-rfc6506bis-01.txt
>> Status:          http://datatracker.ietf.org/doc/draft-acee-ospf-rfc6506bis
>> Htmlized:        http://tools.ietf.org/html/draft-acee-ospf-rfc6506bis-01
>> Diff:            http://www.ietf.org/rfcdiff?url2=draft-acee-ospf-rfc6506bis-01
>>
>> Abstract:
>>    Currently, OSPF for IPv6 (OSPFv3) uses IPsec as the only mechanism
>>    for authenticating protocol packets.  This behavior is different from
>>    authentication mechanisms present in other routing protocols (OSPFv2,
>>    Intermediate System to Intermediate System (IS-IS), RIP, and Routing
>>    Information Protocol Next Generation (RIPng)).  In some environments,
>>    it has been found that IPsec is difficult to configure and maintain
>>    and thus cannot be used.  This document defines an alternative
>>    mechanism to authenticate OSPFv3 protocol packets so that OSPFv3 does
>>    not only depend upon IPsec for authentication.  This document
>>    obsoletes RFC 6506.
>>
>>
>>
>>
>> The IETF Secretariat
>>
>
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