Blackberry ENTERPRISE SOLUTION SECURITY - ENTERPRISE SOLUTION - SECURITY TECHNICAL Uživatelský manuál stáhnout pdf (Strana 48)

6. On the computer that hosts the BlackBerry Collaboration Service, the MSMQ software version 3.0 or later sends the

request in XMPP format, encrypted with AES, to the BlackBerry Instant Messaging Connector.

The BlackBerry Collaboration Service opens the connection using TLS.

7. The BlackBerry Instant Messaging Connector creates an RTC client object for the session, which maintains an open TLS

connection between the collaboration client and the Microsoft® Office Live Communications Server for the duration

of the session.

The default transport protocol is TLS. If you changed the transport protocol to TCP, it requires more dedicated

connections for each session and supports fewer sessions.

8. The BlackBerry Instant Messaging Connector returns the acceptance to the local queue on the BlackBerry Collaboration

Service.

9. The BlackBerry Collaboration Service returns the acceptance, in encrypted and compressed format, through the

BlackBerry Dispatcher to the BlackBerry device, and creates a cache of the connectivity information to maintain the

new instant messaging session.

10. The collaboration client on the BlackBerry device starts the instant messaging session using the RTC connection object.

Process flow: Starting an instant messaging session using the BlackBerry Client for use with

Microsoft Office Live Communications Server 2005 (Microsoft Office Communicator)

1. A user logs in to a collaboration client on a BlackBerry® device.

2. The BlackBerry device compresses and encrypts the user ID and password, and sends them through the BlackBerry

Router to the BlackBerry Dispatcher over port 3101.

3. The BlackBerry Dispatcher sends the request to the BlackBerry Collaboration Service over port 3200. If the BlackBerry

Collaboration Service is located on a remote computer, the request remains encrypted using a Research In Motion

proprietary protocol.

Feature and Technical Overview

Instant messaging process flows

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Blackberry ENTERPRISE SOLUTION SECURITY - ENTERPRISE SOLUTION - SECURITY TECHNICAL Uživatelský manuál Strana 48