SIP in higher education

[Ben Teitelbaum <>]

Chris Hills 
<>
 writes:

> Ben Teitelbaum wrote:
>   > I question whether a "root" is really needed.  Multiple private ENUM
>> clouds can federate to exchange routes.  Technically, this could be
>> accomplished through exchange of zone files or by having the outbound
>> SIP proxy query more than one ENUM root (modern versions of SER seem
>> to be able to do this).
>> -- ben
>> 
>
> Agreed, querying multiple routes is possible, but if every college and
> university runs its own enum tree, thats going to generate a large
> number of lookups everytime a call is placed. 

Not so, if TTLs are set high and ENUM DNS responses are cached.

-- ben

-- 
Ben Teitelbaum   http://people.internet2.edu/~ben/