I-PNNI

I-PNNI definition - computer

(Integrated-Private Network-to-Network Interface) An extension to the PNNI routing protocol used in ATM networks that enables IP routers to select paths through the network based on quality of service (QoS). I-PNNI was never completed by the ATM Forum and was superseded by MPLS. See PNNI, MPLS and QoS.



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