Re: [v6ops] draft-elkins-6man-ipv6-diagnostic-header (Was: draft minutes ietf 81, 3 meetings...)

+1

Thx,
R.

> On Aug 15, 2011, at 11:15 AM, Fred Baker wrote:
>> On Aug 15, 2011, at 10:02 AM, Shane Amante wrote:
>>
>>>> 1.  What if BGP is not being used?
>>>
>>> Turn it on?
>>
>> I don't think her question relates to how to turn it on. I think
>> her question relates to the fact that it is not universally needed.
>> BGP is used in inter-corporate networks including ISP-ISP and
>> ISP-customer; it is less commonly used within enterprise and
>> especially data center networks. So when it is not in use, ...
>
>
> But, in the case of flow-spec, we're talking about it being used as a
> "policy distribution mechanism" and not as a routing protocol.  In
> fact, I think this is amplified by the fact that flow-spec uses an
> entirely separate AFI/SAFI for flow-spec routes (1/133).  So, in this
> case it's entirely possible to (ab)use BGP as a information
> distribution mechanism, without concerns that BGP must also used for
> routing.  In this case BGP is just used for automating the deployment
> of filters through an ASN.  And, best of all, it's already been in
> shipping code + HW for a while now ...
>
> Look, if BGP is too onerous, then deploy/use sFlow/NetFlow/IPFIX.
> The only concern with that may be that depending on the scale/size of
> platform it may only be able to do statistical sampling, (not 1:1
> sampling), if you need to use the central RP.  If that's a concern,
> take it up with your favorite vendor, they have the ability to either
> sell you HW (today) that will do 1:1, or close to it, sampling.
>
> I still maintain there are existing tools out there, today, that
> _are_ already being used to trace these types of issues.  Please
> let's use them and/or improve upon them.
>
> -shane _______________________________________________ v6ops mailing
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>