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9032563 E1 APPN Application

9-1

Chapter 9

APPN Application

Advanced Peer-to-Peer Networking (APPN) is a signiﬁcant extension to IBM’s Systems Network

Architecture (SNA).

APPN builds upon the strengths of traditional SNA networks, which include reliability,

predictability and performance, and adds the necessary network functions to aid the construction

of complex networks of peer SNA nodes.

The APPN protocol utilizes a client-server architecture that distributes network control functions

between an APPN end node (the client) and a network node (the server). While end nodes provide

network access to end users, network nodes comprise the APPN network backbone. Network

nodes provide topology management, resource management, optimized routing, and network

management to end nodes. This approach signiﬁcantly reduces the need for network deﬁnitions,

easing network growth and simplifying network maintenance.

There are two APPN applications:

• APPN (ibmAPPNApp)

• APPN Session (AppnSessApp)

APPN Views

Five application-speciﬁc subviews are available for the APPN application from

the ibmAppnApp icon:

• Conﬁguration, which displays the APPN Information View.

• APPN Topology, which displays the Global Topology View.

• Class of Service, which leads to Class of Service Tables View.

• Directory Info, which displays the Directory Performance View.

• Local Topology, which displays the APPN Local Topology Information

View.

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Cabletron Systems SSIM-A8-01 Especificaciones Pagina 81