Method and architecture for optical networking between...

Details Method and architecture for optical networking between... Method and architecture for optical networking between...

2003-12-19

2009-12-15

Etienne, Ario (Department: 2453)

Electrical computers and digital processing systems: multicomput

Multiple network interconnecting

C711S118000, C711S163000

Reexamination Certificate

active

07634582

ABSTRACT:
A method and system for routing high-speed data to and from SANs (Storage Area Networks and Server Area Networks) via optical burst-switched (OBS) networks. OBS network components, including edge nodes and switching nodes, are coupled between SAN islands. In one embodiment, the OBS network comprises a photonic burst-switched (PBS) network. Under one scheme, a PBS edge node and SAN gateway are co-located at the interface to the SAN, while a plurality of PBS switching nodes are deployed between the PBS edge nodes. Under another scheme, PBS switching/edge nodes are co-located at respective SANs. This scheme employs an external gateway protocol (EGP) for routing data via selected route segments. Data going to and received from a SAN is packaged as Fiber Channel Frames. Data transmitted via the PBS network is converted into PBS frames having encapsulated Fiber Channel Frames. The schemes also support interfaces with legacy networks, such as LANs and WANs.

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