Re: [dispatch] Charter Proposal: Verification Involving PSTNReachability (VIPR)

[Cullen Jennings <[e-mail]>]

Good catch - we certainly want it to just be one of many ways. 

On Jun 1, 2010, at 12:12 PM, Muthu ArulMozhi Perumal (mperumal) wrote:

> |The goal of this working group is to allows people to use SIP to
> |federate over the the internet while still using phone numbers to 
> |identify the person they wish to communicate with.
> 
> Do we want to use phone numbers as the only way to identify persons or
> allow people to use phone numbers as one of the ways to identify
> persons?
> 
> If it is the later, should we reword "still using phone numbers to
> identify" as "still allowing phone numbers to identify"?
> 
> thanks,
> Muthu           
> 
> |-----Original Message-----
> |From: [e-mail] [mailto:[e-mail]] On
> Behalf
> |Of Cullen Jennings (fluffy)
> |Sent: Tuesday, June 01, 2010 10:25 PM
> |To: DISPATCH list
> |Subject: [dispatch] Charter Proposal: Verification Involving
> |PSTNReachability (VIPR)
> |
> |
> |I've been talking to a lot of people about the VIPR drafts  - here is a
> |first cut of a proposal for a WG that could do this. I'm sure the
> charter
> |proposal needs a bunch of work but I wanted to get the discussion
> rolling on
> |the list.
> |
> |Thanks, Cullen
> |
> |(PS - this is sent in my individual contributor role. Take all my posts
> |about VIPR to be in my individual role not my co-chair role)
> |
> |-------------------------------------------------------
> |
> |ViPR Charter Proposal (Version 0)
> |
> |WG Name:  Verification Involving PSTN Reachability (VIPR)
> |
> |There are two globally deployed address spaces for communications that
> more
> |than a billion people use on a daily basis. They are phone numbers and
> DNS
> |rooted address such as web servers and email addresses. The federation
> |design of SIP is primarily designed for email style addresses yet a
> large
> |percentage of SIP deployments primarily use phone numbers for
> identifying
> |users. The goal of this working group is to allows people to use SIP to
> |federate over the the internet while still using phone numbers to
> identify
> |the person they wish to communicate with.
> |
> |The VIPR WG will address this problem by developing a peer to peer
> based
> |approach to finding SIP domains that claim to be responsible for a
> given
> |phone number and the WG will design validation protocols to ensure a
> |reasonable likelihood that a given domain actually is responsible for
> the
> |phone number. One initial validation protocol will be based on a domain
> |being able to prove it received a particular phone call over the PSTN
> based
> |on both sides knowing the start and stop times of that call. Other
> |validation schemes, such as examining fingerprints or watermarking of
> PSTN
> |media, to show that a domain received a particular PSTN phone call may
> be
> |considered by the working group. To help mitigate SPAM over SIP issues,
> the
> |WG will define an token based authorization scheme so that domain using
> SIP
> |to federate can choose to check that incoming SIP calls are from a
> domain
> |that successfully validated a phone number.
> |
> |The problem statement and some possible starting points for solutions
> are
> |further desired in the following internet drafts which shall form the
> bases
> |of the WG documents:
> |draft-rosenberg-dispatch-vipr-overview
> |draft-rosenberg-dispatch-vipr-reload-usage
> |draft-rosenberg-dispatch-vipr-pvp
> |draft-rosenberg-dispatch-vipr-sip-antispam
> |
> |The working group will carefully coordinate with the security area, O&M
> |area, as well as the appropriate RAI WG including sipcore and p2psip.
> |
> |
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Cullen Jennings
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