ESCON


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ESCON

ESCON

(Enterprise Systems CONnection) An IBM S/390 fiber-optic channel that transfers 17 Mbytes/sec over distances up to 60 km depending on connection type. ESCON allows peripheral devices to be located across large campuses and metropolitan areas.

Compared to the copper-based, parallel bus and tag channels, ESCON provides greater speeds and uses a serial interface. An ESCON Director is a hub-and-spoke coupling device that provides 8-16 ports (Model 1) or 28-60 ports (Model 2). See FICON and EMIF.
References in periodicals archive ?
Prizm accepts a native FICON channel from the mainframe (CHPID type FC) and converts the protocol for connectivity to multiple outbound ESCON channels.
FICON improves on ESCON through increased performance and easier management, but does so for about one-third the price.
McDATA has a long and established S/390 ESCON Director lineage, and now supporting IBM's S/390 (zSeries) FICON switching requirements is a logical extension to its existing SAN capabilities," said Carl Greiner, vice president and director, Enterprise Data Center Strategies for the META Group.
For example, the maximum distance suggested for ESCON is 43km.
Optica's exclusive Prizm FICON to ESCON Converter ("Prizm") is the implementation platform for Managed Evolution.
Existing mainframe systems cannot upgrade to FICON, so companies will need to put in bridges in order to connect ESCON and FICON.
MPC+ provides customers with performance improvements in excess of 40% while reducing host cycle times by more than 63% when compared to earlier ESCON access methods.
While the majority of new mainframe-based workload is deployed on FICON technology, the installed base includes several million ESCON connections that support stable, mission-critical business applications.
Direct ESCON based mainframe channel- attachment will elevate it to a class of its own and offer IBM customers with an unparalleled, high-throughput network-to-mainframe connectivity.
Organizations can ease their migration from ESCON to FICON by deploying Cisco MDS 9500 Series Multilayer Directors with the Prizm FICON Converter.
Instead, we focus here on data transfers that occur over storage conduits-- ESCON and SCSI.
The development of a simulation device for the Fibre Channel environment is a natural, and expected, follow-on to our development of test tools for the ESCON environment.

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