IBM System z Connectivity Handbook

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Extended distance solutions

This chapter describes architectural requirements and implementation solutions for System z connectivity over extended distances.

The following distance solution topics are covered:

•Fiber optic link unrepeated distances

•Enterprise Systems Connection (ESCON)

•Fibre Connection (FICON)

•InterSystem Channel (ISC)

•Sysplex Timer links (ETR and CLO)

•Server Time Protocol (STP)

•IBM Geographically Dispersed Parallel Sysplex™ (GDPS)

•Wavelength division multiplexing (WDM) technologies

•System z qualified WDM vendors

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