routing table go boom

Thu Mar 21 03:07:14 UTC 2013

Sander Steffann wrote:

>> As the ETR is not the final destination, it is subject to blackholing
>> after ETR, which means:
>>
>>    The function in question can completely and correctly be
>>    implemented only with the knowledge and help of the
>>    application standing at the endpoints of the communication
>>    system.
>>
>> Granted that it is no worse than multihoming by routing protocols.
>>
>> But, it merely means that neither BGP nor LISP works "completely
>> and correctly".
> 
> Well, yeah, if your internal routing (behind the ETR) breaks
> then your network is broken...

No, what can break is internal routing of one of your ISP,
which is why you, an end user, want multihoming.

William Herrin wrote:

						Masataka Ohta