Device, method and system for transferring frame

Details Device, method and system for transferring frame Device, method and system for transferring frame

2008-01-29

2008-01-29

Duong, Frank (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S907000

Reexamination Certificate

active

07324511

ABSTRACT:
In between network devices interconnected by plural optical channels, logical paths are defined according to upper traffic and also priority of the traffic. The network device includes: a frame forming section for reading user packets out of a buffer section composed of plural buffers defined for the respective paths on transfer schedule, and forming path frames having a specified frame length and individual ordinal numbers with respect to each path; a switch for selecting output channels to equally distribute the path frames by round robin scheduling; and data transmitting part for transmitting data on the logical paths. Thus, it is made possible to realize a frame transfer system capable of performing data transmission, which satisfies QOS (Quality Of Service) required for user traffic, on the WDM networks connected by plural OCHs.

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