From: Kevin Cao (kevincaomicrosoft.com)
Date: Wed Apr 09 2003 - 12:28:52 CDT

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Microsoft has released a beta version of the Microsoft Windows XP
Peer-to-Peer SDK and a Windows XP Peer-to-Peer Update for the Windows XP
client. The Peer-to-Peer SDK provides the components and information to
create Windows Peer-to-Peer Networking applications. The Windows XP
Peer-to-Peer Update provides the components to run Windows Peer-to-Peer
Networking applications on a computer running Windows XP

The Windows Peer-to-Peer Networking platform has the following services
built in:

* Network Address Translator traversal. Windows XP Peer-to-Peer Update
includes enhancements to IPv6 that allow peer-to-peer networking traffic
to traverse most NATs.
* Name resolution. Windows XP Peer-to-Peer Update includes support for
the Peer Name Resolution Protocol (PNRP), a scalable and secure
peer-to-peer name resolution mechanism to resolve peer names to
addresses that does not rely on the Domain Name System (DNS).
* Graphing and grouping. Graphing maintains a set of connected nodes and
provides flooding and replication of data across the graph for efficient
multi-point communication and distributed data management. Grouping
defines the security model for creating and managing persistent
peer-to-peer groups.
* Identity management. Provides for the creation and management of
peer-to-peer identities.

http://www.microsoft.com/windowsxp/p2p

                      "Shaji Sethu"

                      <ssethumicros.c To:
<webappsecsecurityfocus.com>, <focus-mssecurityfocus.com>

                      om> cc:

                                               Subject: Federated
Security Applications and Implications.
                      04/09/2003 08:11

                      AM

                      Please respond

                      to ssethu

All,
Recently I have been investigating requirements to build a pseudo P2P
(uses a combination of P2P and Client Server) distributed application
based on XML web services. The main requirement for the application has
to be such that secure domains can join or leave the application network
without much effort. The platform has not been finalised yet but my
preference is .NET.
Considering the requirements a Federated Architecture for security comes
to mind, the only application that comes close to it is the Liberty One
from Sun. I had talked to the local Microsoft guys in Australia and they
suggested Trust Bridge which was due for shipment with Windows 2003 and
their specifications were a bit vague and pointed me to a msdn web site
with
5 lines explaining it.

The question is:
1. Is there any solution out there which implements federated security
model where security domains can easily join and leave without complex
system administration.
2. Are there any white papers or research papers published on this (BTW
I have gone through the ACM archives without much luck)?
3. Has anyone looked at the security implications of this and
WS-Security?
4. Is this viable or does this technology has the pie in the sky status?

Thanks for any help on this.

Best Regards.

Shaji Sethu
System Developer
myFidelio.net
Web: www.micros.com

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