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Persistent socket connections for the BlackBerry Collaboration Service

Instant messaging environment

BlackBerry Collaboration Service requirements

Microsoft® Office Live Communications Server 2005 or Microsoft® Office Communications Server 2007, and TLS communication protocol

one persistent socket connection for each instant messaging session

Microsoft Office Live Communications Server 2005 or Microsoft Office Communications Server 2007, and TCP communication protocol

three persistent socket connections for each instant messaging session

Microsoft Office Live Communications Server 2005 or Microsoft Office Communications Server 2007, and HTTPS communication protocol

one persistent socket connection and multiple sequential socket connections for each instant messaging session

IBM® Lotus® Sametime®

three persistent socket connections to create one TCP connection; all instant messaging sessions use that TCP connection

Novell® GroupWise® Messenger

one persistent socket connection for each instant messaging session

Microsoft® Office Communications Server 2007 R2 and Microsoft® Lync™ Server 2010 do not require any persistent socket connections. Rather, these instant messaging servers use a small pool of shared connections for instant messaging sessions.


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