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.
AtmDirector and P-NNI are the kinds of capabilities customers need to transition ATM from test beds to production networks.
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.
All of the currently defined software networking components within an ATM network will be available by the time P-NNI ships in August, which should help accelerate ATM product deployment significantly.
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.
In the UNH test, interoperability was demonstrated for signalling, classical IP, and P-NNI Phase 0, which are all the most advanced standards specified by the ATM Forum and IETF.