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IBM System z Connectivity Handbook by Zhaoxu Zhang, Hans Wijngaard, Esra Ufacik, André Spahni, Vicente Ranieri Jr, Frank Packheiser, Fernando Nogal, Swee Seng Ng, Gerard Laumay, Octavian Lascu, Parwez Hamid, Wolfgang Fries, Ivan Doboš, Karan Singh

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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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