[j-nsp] [c-nsp] BGP route flap damping

[Daniel Lete]

Hello Ang,
For what is worth and adding to Ajeet pointers, this is the RIPE recommendation 
on the subject.

http://www.ripe.net/ripe/docs/ripe-378.html#recommendation

Regards,
Daniel






"Ang Kah Yik" wrote the following on 09/10/2008 03:32:
> Hi Ajeet,
> Thank you for your reply.
> Yes, we are multi-homed to our main upstream AS, as well another upstream
> provider.
> 
> I have taken a brief look at the paper you recommended but have not yet had
> the time to digest the information in it.
> 
> Meanwhile, can we assume (in general) that the conclusion to my original
> post is that route flap damping is more of a "legacy feature" these days and
> we can, to a larger extent, disregard it?
> 
> On Tue, Oct 7, 2008 at 11:56 PM, Ajeet Bagga <bagga_ajeet at emc.com> wrote:
> 
>> On Oct 7, 2008, at 7:40 AM, Ang Kah Yik wrote:
>>
>>  Hi,
>>> Thanks for sharing your opinion on the disabling of damping as a BCP.
>>> Yes, this is something that we've taken into consideration.
>>>
>>> However, route flap damping is still in use in a number of networks out
>>> there.
>>> Thus, we would like to obtain feedback on how the damping of a flap by
>>> a transit provider may affect our connectivity.
>>>
>> Are you multihomed to this transit? To other upstreams? Depending on the
>> RFD implementation, withdrawal triggered suppression will indeed affect your
>> connectivity. For analysis of arguments against RFD, specifically how it
>> applies to your case, read the sigcomm presentation, <
>> http://conferences.sigcomm.org/sigcomm/2002/papers/routedampening.html>.
>> White paper is available via the ACM portal, <
>> http://portal.acm.org/citation.cfm?id=633047>.
>>
>> ~
>> Ajeet Bagga
>> Sr. Network Engineer
>> Cloud Computing Infrastructure and Services
>> EMC
>>
> 
> 
> 

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