Transport systems and methods incorporating absolute time...

Details Transport systems and methods incorporating absolute time... Transport systems and methods incorporating absolute time...

2011-01-04

2011-01-04

Nguyen, Hanh (Department: 2473)

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via time channels

C370S503000

Reexamination Certificate

active

07864817

ABSTRACT:
In various exemplary embodiments, the present invention provides transport systems and methods incorporating absolute time references, such as global positioning system (GPS) time references and/or the like, and selective buildout delays, such as first-in, first-out (FIFO) buildout delays and/or the like. In one exemplary embodiment, the transport systems and methods of the present invention are used in conjunction with the International Business Machine Corporation (IBM) Geographically-Dispersed Parallel Sysplex (GDPS) integrated, automated application and data availability solution to meet and/or exceed the associated 10 microseconds transmit/receive path differential delay requirement. Other comparable uses are also contemplated herein, as will be obvious to those of ordinary skill in the art.

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Bill White, Rav Meerwald, Jeff Nesbitt; “zSeries Qualified WDM Vendor: Cisco Systems”, 20 pages, Redbooks Paper; Copyright IBM Corp. 2005.
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Pierre Cassier, Axel Ligny, David Raften; “GDPS/PPRC 100Km Distance Testing”, 47 pages, IBM System z, May 2006.
Frank Kyne, Noshir Dhondy, David Raften, Mark Ratte; “GDPS Family—An Introduction to Concepts and Capabilities”, 153 pages, ibm.com/redbooks, Redbooks, Dec. 2005.

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