Blackberry ENTERPRISE SOLUTION SECURITY - SECURITY FOR DEVICES WITH BLUETOOTH WIRELESS TECHNOLOGY - TECHNICAL Manual do Utilizador descarregar pdf (Página 67)

Component High availability type Description

BlackBerry Attachment

Service

load-balancing with primary

and secondary groups

When you install two or more BlackBerry Attachment Service

instances, you can create a BlackBerry Attachment Service

pool for each BlackBerry Enterprise Server instance. You can

configure a pool with a primary group of instances and,

optionally, a secondary group of instances. The BlackBerry

Enterprise Server sends all requests to the primary group. If

the primary group cannot convert a specific file format, the

BlackBerry Enterprise Server forwards conversion requests for

the specific file format to the secondary group.

BlackBerry Collaboration

Service

failover with an active

connection to one instance

and standby connections to

other instances

When you install two or more BlackBerry Collaboration Service

instances, you can create a BlackBerry Collaboration Service

pool for each BlackBerry Enterprise Server instance. Each

BlackBerry Enterprise Server assigns one of the connections

to the BlackBerry Collaboration Service instances as the active

connection, and the other connections as standby

connections. If the BlackBerry Collaboration Service that the

active connection is assigned to stops responding, the

BlackBerry Enterprise Server assigns the active connection to

another BlackBerry Collaboration Service instance.

BlackBerry Configuration

Database

database mirroring If you install the BlackBerry Configuration Database on

Microsoft® SQL Server® 2005 SP2 or later, you can configure

database mirroring. If the principal BlackBerry Configuration

Database stops responding, the BlackBerry Enterprise Server

fails over to the mirror BlackBerry Configuration Database.

BlackBerry MDS Connection

Service

failover with an active

connection to one instance

and standby connections to

other instances

When you install two or more BlackBerry MDS Connection

Service instances, you can create a BlackBerry MDS

Connection Service pool for each BlackBerry Enterprise Server

instance. Each BlackBerry Enterprise Server assigns one of the

connections to the BlackBerry MDS Connection Service

instances as the active connection, and the other connections

as standby connections. If the BlackBerry MDS Connection

Service that the active connection is assigned to stops

Feature and Technical Overview

High availability in a distributed environment

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