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RE: Comcast's 6to4 Relays
From: Bhoomi Jain <bhoomij () india com>
Date: Wed, 20 Apr 2011 04:26:44 +0200 (CEST)

Mr. John,

I thank you for asking the advice of the community.

As our colleagues suggest, having 6to4 relays inside the network helps to reduce the latency.  Opening up your generous 
services to a larger Internet community by advertising the 192.88.99.0/24 BGP prefix outside the network could have 
extreme and unintended consequences.

To give you an idea, a lot of the Internet in India depends on the service of the Tata companies, with international 
routing coming from Tata Communications AS 6453.  Announcing 192.88.99.0/24 to 6453 as a customer, I would worry about 
its treatment as BGP best-path, in place of closer 6to4 relays.  As you understand, these circuits are very far away, 
and also very full.  This is not something I would recommend.

Sincerely,
Bhoomi Jain

At 19 Apr 2011 22:51:24 +0200 (CEST) from "Brzozowski, John" <John_Brzozowski () Cable Comcast com>:


Folks,
Since deploying our 6to4 relays, Comcast has observed a substantial
reduction in the latency associated with the use of 6to4. As such we are
contemplating further opening our relays for use by others. The
availability of our 6to4 relays should improve the experience of others
using 6to4 as a means to access content and services over IPv6.
We have been open about our IPv6 activities and wanted to follow suit by
reaching out to the community and soliciting feedback before moving
forward. As always we wish to continue to advocate and support the
universal deployment of IPv6.
Please send any comments or questions to the list or if you wish to me
directly.
John
=========================================
John Jason Brzozowski
Comcast Cable
e) mailto:john_brzozowski () [cable comcast com]
o) 609-377-6594
m) 484-962-0060
w) [http://www.comcast6.net]
=========================================





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