Re: status update for ESnet

Michel,

> At 09:35 AM 7/16/2002 -0700, Michel Py wrote:
>>Bob,
>>
>> > Interfaces addresses are globally unique and are /64s.
>> > Loop back addresses are globally unique /128s from a common /64.
>>
>>I am curious about the /128 loopbacks. I typically don't treat loopbacks
>>differently than any other interface on a regular subnet, meaning I give
>>them a /64 as well.
>>
>>I understand that, contrarily to /127 commonly used on ptp links, /128
>>addresses do not violate [addrarch], so doing this is ok.
>>
>>However, the use of /128s out of a "loopback pool" /64 makes loopbacks
>>unaggregatable, where using /64s could make them aggregatable.
>>
>>I am curious about the reasons behind the choice of /128s for loopbacks.
>>Is there a deliberate choice to make them unaggregatable (which has
>>operational advantages as well as drawbacks)?

both /64 and /128 can be aggregated. what is your point?

cheers,
Ole