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same machine as IBM eNetwork Communications Server or Microsoft SNA
Server, and in many cases it can provide a less expensive and
better-performing solution.
Contact your authorized IBM reseller for additional information about DB2
Connect Enterprise Edition.
Accessing Host or AS/400 DB2 Data from the Desktop Using DB2 Connect
Enterprise Edition
A DB2 Connect server enables DB2 clients on a LAN access to data that is
stored on host or AS/400 systems.
DB2 Universal Database Enterprise Edition and DB2 Universal
Database Enterprise - Extended Edition include the DB2 Connect
Server Support component. All references to DB2 Connect Enterprise
Edition also apply to the DB2 Connect Server Support component.
DB2 Connect Enterprise Edition is most appropriate for environments where:
v Host and AS/400 database servers do not support native TCP/IP
connectivity and direct connectivity from desktop workstations via SNA is
not desirable (see Figure 3 on page 10).
v Application is implemented using data-aware Java applets (see Figure 7 on
page 15).
v Web servers are used to implement web-based applications (see Figure 8 on
page 17, Figure 7 on page 15 and Figure 6 on page 13).
v Middle-tier application server is employed.
v Transaction monitor such as CICS, Encina, Microsoft Transaction Server
(MTS), Tuxedo, Component Broker, and MQSeries are used (see Figure 4 on
page 11).
Applications are provided with transparent access to host or AS/400 data
through a standard architecture for managing distributed data. This standard
is known as Distributed Relational Database Architecture (DRDA). Use of
DRDA allows your applications to establish a fast connection to host and
AS/400 databases without expensive host components or proprietary
gateways.
A great deal of the data in many large organizations is managed by DB2 for
AS/400, DB2 for MVS/ESA, DB2 for OS/390, or DB2 for VSE & VM.
Applications that run on any of the supported platforms can work with this
data transparently, as if a local database server managed it. DB2 Connect
Enterprise Edition is required for supporting applications which access host or
AS/400 data and exploit transaction monitors (for example, CICS, Encina,
Microsoft Transaction Server) as well as applications that are implemented as
8 Quick Beginnings