[Sipping] updated sip-spam I-D

[Jonathan Rosenberg <[e-mail]>]

Folks,

I've just submitted an update to the sip-spam draft. Until it appears in 
the archives, you can pick up a copy at:

http://www.jdrosen.net/papers/draft-rosenberg-sipping-spam-01.txt

Here are the diffs:

* added Jon Peterson as co-author

* added text on reputation services as a means for preventing spam

* added text on using address obfuscation in websites as a technique. 
Included
a discussion on enum as a target for spammers

* added text on limited use addresses and the way in which presence and
buddy list systems can help with them

* add recommendation for a transition mechanism to strong identity

* added a discussion on session vs. page mode and the implications on
spam prevention

* made it clear that white lists are superior to black lists, due to the
ease of changing addresses. Refocused the white list discussion on IM 
systems
as the prototypical example.


Thanks,
Jonathan R.
-- 
Jonathan D. Rosenberg, Ph.D.                   600 Lanidex Plaza
Director, Service Provider VoIP Architecture   Parsippany, NJ 07054-2711
Cisco Systems
[e-mail]                        FAX:   [phone]
http://www.jdrosen.net                         PHONE: [phone]
http://www.cisco.com


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