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Cisco MDS 9000 XRC Acceleration

Accelerate System z Replication Workloads

Cisco MDS 9000 XRC Acceleration is a SAN fabric-based feature that improves the performance of IBM z/OS Global Mirror (formerly XRC) over WAN links, improving bandwidth utilization and dynamic update performance.

Cisco MDS 9000 XRC Acceleration is implemented on the Cisco MDS 9000 18/4-Port Multiservice Module and the Cisco MDS 9222i Multiservice Modular Switch. It requires Cisco MDS 9000 NX-OS Software Version 4.2 or later.

Full-Featured Solution

XRC Acceleration maximizes parallelism by supporting multiple system data movers (SDMs) and multiple readers within each SDM. IBM Parallel Access Volumes (PAVs) and HyperPAVs are supported. Fibre Connection (FICON) Data Access Storage Devices (DASD) from IBM, EMC, and HDS are supported to complete the ecosystem.

XRC Acceleration runs on the same hardware as the underlying SAN Extension on Fibre Channel over IP (FCIP), and it takes advantage of the IP Security (IPsec) encryption and data compression MDS switches provide. Many customers experience compression ratios of 4:1 or better, and a number report compression exceeding 5:1.

Simple and Economical

Because there is no separate hardware, there is no additional overhead for floor space, power, or cooling.

XRC Acceleration is simple to install and manage and requires no expensive support contracts or service calls to change configurations.

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