P-NNIPrivate Network to Network Interface (usually seen as PNNI)
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Meanwhile, Cisco's LightStream 1010 is the first ATM switch to support P-NNI Phase 1 software, which delivers far more robust ATM routing and switch-to-switch signaling than the proprietary or interim schemes typically available.
Cisco's P-NNI implementation also supports advanced capabilities such as link load balancing, connection admission control and access lists for ATM security.
While the P-NNI protocols are among the most sophisticated routing algorithms ever developed, Cisco has ensured that its P-NNI implementation on the LightStream 1010 is plug-and-play.
We were very impressed with the scalability and sophistication of the LightStream 1010's P-NNI software.
0 specification should be implemented to utilize Cisco's SSRP in environments that are not yet running the P-NNI.
P-NNI distributes routing information automatically and dynamically, enabling any switch to determine a path to any other switch.
The P-NNI protocol has been designed to scale across all sizes of ATM networks, from small campus networks of a few switches to global networks with thousands of switches.
The switches use ATM Forum-standard P-NNI routing protocols to discover switch locations and standard ILMI (Interim Local Management Interface) protocols to configure the addresses of ATM end-systems.
The software (LES, LEC, UNI Signalling, P-NNI, B-ICI) is compliant with the ATM Forum specifications and ITU standards and may be used to develop products needing ATM access and networking capabilities.