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Linux® on the Mainframe
book

Linux® on the Mainframe

by John Eilert, Maria Eisenhaendler, Dorothea Matthaeus, Ingolf Salm
June 2003
Intermediate to advanced content levelIntermediate to advanced
464 pages
10h 33m
English
Pearson
Content preview from Linux® on the Mainframe

10.1. Communication methods under z/VM

One advantage of consolidating servers on the mainframe is the elimination of physical network interconnections between virtual servers. Replacing the physical cabling with memory buses inside the machine also improves the data rate and lowers the latency. In zSeries servers, a high-speed interconnection for TCP/IP communication (HiperSockets) enables TCP/IP traffic to flow directly between partitions. HiperSockets exploit the “network in a box” concept that transmits LAN-type data at near memory speeds.

The z/VM computing model, with multiple operating systems each running applications as separate guests, yet with a need to communicate among themselves, naturally led to thinking of a mainframe system as ...

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ISBN: 0131014153Purchase book