METHODS AND SYSTEMS FOR PROVIDING A LOGICAL NETWORK LAYER FOR DELIVERY OF INPUT/OUTPUT DATA

摘要

A method for routing input/output (IO) data in a telecommunication system including a network node having a plurality of first integrated circuit (IC) cards, a plurality of second IC cards and a switching fabric, each second IC card connected to a corresponding first IC card in a respective slot of the network node is described. The method involves receiving the IO data at an external port of any of the plurality of first or second IC cards. When packets of the IO data are received at an external port of a given second IC card, the given second IC card performs a packet classification of the packets to at least in part determine a destination for the packets. A further step of the method includes delivering the packets to a first or second IC card destination according to the packet classification performed by the given second IC card via a logical network layer existing on the first and second IC cards and the switching fabric. A particular implementation includes use in an Advanced Telecommunication Computing Architecture (ATCA) system.

主权项

1. A system for routing packet data in a telecommunication network, the system comprising:
a chassis having a plurality of slots, each slot configured to receive a respective pair of circuit cards; a plurality of pairs of circuit cards, each pair of circuit cards comprising a respective first circuit card and a respective second circuit card for connection to the respective first circuit card; and a connection fabric configured for interconnecting at least some of the first circuit cards; the plurality of pairs of circuit cards and the connection fabric being configured to cooperate to provide a logical network layer, the logical network layer being configured: to perform packet classification for a data packet received from the telecommunication network to determine, at least in part, a destination circuit card for the received data packet; and to deliver the received packet data to the destination circuit card according to the packet classification.