Re: fn-transport/ipfrr drafts

Alia,

     My quick replies would be

a) possibly, but I'm not sure of the application. Certainly not (b).
b) I don't think so
c) I'd be very concerned about the scaling issues of doing that

     Mike

On 06/04/2011 02:00, Alia Atlas wrote:
> Curtis,
>
> Andras is familiar with the problem IPFRR is trying to solve.
>
> As I understand it, there are 3 separate questions:
>     a) Is a multicast distribution mechanism that can report bad news
> quickly&  survive single failures useful?
>     b) Is this useful for an IGP to speed network convergence?
>     c) If one assumes very rapid ( speed of light)  delays for remote
> failures, what pre-computation and FIB installation could be possible?
>
> I have not heard requirements and rationale sufficient yet.
> Security is also a concern - but the first questions are whether any
> mechanism is  desirable.
>
> Alia
>
> 2011/4/5 Curtis Villamizar<curtis@occnc.com>:
>> In message<8DCD771BDA4A394E9BCBA8932E83929720E74AF21C@ESESSCMS0363.eemea.ericsson.se>
>> András Császár writes:
>>> Dear All,
>>>
>>> Note that fn-transport already is at version 01. Links to the docs:
>>>
>>> http://tools.ietf.org/html/draft-lu-fn-transport-01
>>> http://tools.ietf.org/html/draft-csaszar-ipfrr-fn-00
>>>
>>> We'd really appreciate comments and suggestions.
>>>
>>> András
>>
>> Same comment as on the OSPF mailing list.  This is attacking a
>> non-problem.
>>
>> Flooding time is not a problem on modern implementations, unless the
>> implementation is badly designed or badly coded.
>>
>> IPFRR is intended to eliminate the need for an SPF and route
>> download and the need to contact any other router in any way to get an
>> initial repair done.  That is a different problem.
>>
>> Curtis
>>
>>
>>>> -----Original Message-----
>>>> From: rtgwg-bounces@ietf.org [mailto:rtgwg-bounces@ietf.org]
>>>> On Behalf Of Jeff Tantsura
>>>> Sent: 2011. március 29. 14:58
>>>> To: rtgwg@ietf.org
>>>> Subject: fn-transport/ipfrr drafts
>>>>
>>>> Hi rtgwg,
>>>>
>>>> The authors would like to solicit comments from the workgroup.
>>>>
>>>> draft-lu-fn-transport-00
>>>> draft-csaszar-ipfrr-fn-00
>>>>
>>>> Thank you in advance!
>>>>
>>>> Regards,
>>>> Jeff
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>>
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