H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/56 (2006.01) H04Q 3/52 (2006.01) H04Q 11/00 (2006.01)
Patent
CA 2293920
A flexible global distributed switch adapted for wide geographical coverage with an end-to-end capacity that scales to several Petabits per second (Pb/s), while providing grade-of-service and quality-of-service control is constructed from packet-switching edge modules and channel-switching core modules. The global distributed switch may be used to form a global Internet. The global distributed switch enables simple controls, resulting in scalability and performance advantages due to a significant reduction in the mean number of hops in a path between two edge modules. Traffic is sorted at each ingress edge module according to egress edge module. At least one packet queue is dedicated to each egress edge module. Harmonious reconfiguration of edge modules and core modules is realized by time counter co-ordination. The global distributed switch can grow from an initial capacity of a few Terabits per second to a capacity of several Petabits per second, and from regional to global coverage. It can accommodate legacy systems such as IP-based networks and provide clean connections among distant legacy devices, such as routers.
Nortel Networks Corporation
Nortel Networks Limited
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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