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network addressable unit (SNA) (NAU)

In the SNA architecture, a Network Addressable Unit (NAU), sometimes called a Network Accessible Unit, forms the origin or destination of the data packets, which in SNA networks are called Path Information Units( PIU).

The NAU can act as a host-based Logical Unit( LU), a Physical Unit( PU), or a System Services Control Point( SSCP) for the Path Control Layer working units.

In the SNA architecture, Path Information Units are sent to the Network Addressable Unit, which then routes them through the SNA network. This distinguishes the SNA architecture network protocol from other network protocols where messages are routed through the network based on addresses.

Informations:
Englisch: network addressable unit (SNA) - NAU
Updated at: 05.05.2008
#Words: 104
Links: indium (In), systems network architecture (IBM) (SNA), architecture, data, path information unit (SNA) (PIU)
Translations: DE
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