1 Scaling Advanced Real- Time Communications Bob Alice User Campus / Enterprise User WANs/MANs/LANs Campus / Enterprise Host Host Network-Layer Connectivity high-performance, end-to-end IP transit High-performance, end-to-end IP connectivity is necessary, but not sufficient to connect Alice with Bob ?! !?
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1 Scaling Advanced Real-Time Communications Bob Alice User Campus / Enterprise UserWANs/MANs/LANs Campus / Enterprise Host Network-Layer Connectivity high-performance,
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Scaling Advanced Real-Time Communications
BobAlice
UserCampus /EnterpriseUser WANs/MANs/LANsCampus /
EnterpriseHost Host
Network-LayerConnectivity high-performance, end-to-end IP transit
High-performance, end-to-end IP connectivity is necessary, but not sufficient
to connect Alice with Bob
?! !?
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BobAliceAlice Bob
Today: 3rd Party ASPs Provide the Missing Middleware
UserCampus /EnterpriseUser WANs/MANs/LANsCampus /
EnterpriseHost Host
Network-LayerConnectivity
Applications
3rd Party ASPs
Skype
high-performance, end-to-end IP transit
FWD Yahoo! …
?
Communications is Balkanized by competing 3rd parties, who are unable to provide strong authentication, identity management, or rich
presence for their users
?
Bob Jonesemail: [email protected]: bob2_bigu.eduFWD: 654321Yahoo!: bobj26
BU
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Alice BobBobAlice
UserCampus /EnterpriseUser WANs/MANs/LANsCampus /
EnterpriseHost Host
Network-LayerConnectivity
Applications
CampusMiddleware
high-performance, end-to-end IP transit
Identity management, authentication, call routing, and rich presence are best
implemented and scaled by campus / enterprise middleware