[ppml] "Recommended Practices" procedure
tme at multicasttech.com
Fri Jun 30 10:15:49 EDT 2006
On Jun 30, 2006, at 9:38 AM, Scott Leibrand wrote:
> On 06/30/06 at 9:01am -0400, Robert E.Seastrom
> <ppml at rs.seastrom.com> wrote:
>> Scott Leibrand <sleibrand at internap.com> writes:
>>> To multihome with PA space, you must ensure that your transit
>>> and any of their transit providers (recursive), accept your /48
>>> from each
>>> Still pretty simple, no?
>> There's an implicit assumption here that peers (as opposed to
>> transits) do not filter. History has shown counting on this to be
> No, I'm not making that assumption. I'm saying that only your
> transit-free transit providers need to exchange your route.
> Everyone else
How do I determine which of my transit providers are transit-free ?
What do I do if one fine day no provider available to me is transit-
> can send the traffic towards the provider's /32 aggregate, and once it
> enters the provider's network the more-specific /48 will take over.
> That's not ideal for traffic engineering or route optimization, but
> adequate for reachability.
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