1 scaling advanced real-time communications bob alice user campus / enterprise userwans/mans/lans...

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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: bob@bigu.eduSkype: 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

ConnectiveMiddleware

ConnectiveMiddleware

Bob Jonesbob@bigu.edu

BU

ModeratingMiddleware

ModeratingMiddleware

Presence Presence

Campus / Enterprise Middleware

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Market Maker Role

BobAlice

UserCampus /EnterpriseUser WANs/MANs/LANsCampus /

EnterpriseHost Host

Network-LayerConnectivity

Applications

Identity Management,Call Routing,

Authentication,Presence

...or... ...or...AuxiliaryServices

Bridging,Gatewaying,Messaging,

…

Identity Management,Call Routing,

Authentication,Presence

CampusMiddleware

Bridging,Gatewaying,Messaging,

…

Bridging,Gatewaying,Messaging,

…

high-performance, end-to-end IP transit

Open campus / enterprise SIP communications creates a communications

commons, creating vast new markets

ASPs

Hard / SoftClient Vendors

Proxies, Directories,Feature Servers…