Schwab To Deploy IBM Fault-Tolerant Technology
Charles Schwab & Co. wants to make sure its trading sitenever goes down, even if its data center does. The leading
online brokerage, with 2.5 million online accounts and $560
billion in customer assets, said it is working with IBM on a
three-phase rollout of the computer giant's Geographically
Dispersed Parallel Sysplex technology.
GDPS combines IBM's Parallel Sysplex, remote peer-to-peer
copy, and wave division multiplexing technologies to provide
synchronous mirrored links between sites up to approximately
60 miles apart. Already used by Schwab since 1997, Parallel
Sysplex lets applications such as CICS, IMS, and DB2
failover to another mainframe within the data center.
Schwab, which will call its new distributed data centers
Metroplex, plans to roll out the first portion of GDPS later
this summer. The second phase, scheduled for an early to
mid-2000 rollout, will let Schwab add existing capacity by
distributing some of the processing to its alternate data
center, 25 miles away from the main facility. In 2001, the
final portion of the rollout calls for distributing all
transaction processing across both data centers.
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