Fujitsu Corporation

Fujitsu Network Communications, Inc.

Jeffrey Holt

Calvin Wan

Muhammad Sakhi Sarwar

Albert Vinson Smith, Jr

Catherine Yuan

Sanjay Gera

Ted D Chang

Terry A Clouthier

Vijay Khopade

Joseph G Trotta

Kentaro Nakamura

Malleswaraprasad Sunkara

Dave Howell

According to an aspect of an embodiment, operations may include receiving a first Ethernet signal having a first data rate less than a second data rate, the second data rate being a ZR data rate. The operations may also include dividing the first Ethernet signal into a plurality of first-signal sub-signals that each have a third data rate that is less than the first data rate. Moreover, the operations may include generating a second Ethernet signal having the second data rate, the generating of the second Ethernet signal being based on the plurality of first-signal sub-signals such that the second Ethernet signal includes the plurality of first-signal sub-signals. Further, the operations may include providing the second Ethernet signal to a ZR network such that the second Ethernet signal is a ZR signal.

Channelized transmission over openZR-extended optical network

A system for downloading a software image to a SONET network element which eliminates the need for a separate overhead channel for this purpose. The system conveys the software image using the File Transfer Protocol (FTP) over the Transmission Control Protocol (TCP), over the Internet Protocol (IP), using ATM. The disclosed system enables ATM cells carrying the software image to be received over a SONET ring connected to the device. The disclosed system uses permanent virtual circuits (PVCs) between network elements over which the software image may be transported. In a first embodiment, the PVCs form a star of logical connections with remote network elements to which software image files may be downloaded from a &ldquo;gateway&rdquo; network element. The gateway network element is a network element communicative with a central management station, which provides data to be downloaded to the remote network elements. In an alternative embodiment, the PVCs used to transport the software image connect adjacent network elements to the gateway network element. Those network elements adjacent to the gateway network element in turn have PVCs to their adjacent network elements. Thus, in the alternative embodiment, the software image file is forwarded hop by hop across multiple PVCs until it reaches the destination network element in which it is to be loaded for execution.

In-band management control unit software image download

Growing community of inventors

Allen, TX, United States of America

Jeffrey Holt