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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