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IP SAN Storage - iSCSI and NAS

IBM System Networking Solutions

Storage Consolidation for Data Centre Efficiency

One trend in the data centre that has shown consistent progress is the convergence of switching fabrics. Servers in data centres are typically connected to three different network areas: Storage, TCP/IP and Cluster networking. Because these areas have different requirements, different switching fabrics are sometimes used: Fibre Channel, Ethernet and InfiniBand. An important aspect of Ethernet’s value proposition is the possibility of using it in all network areas to provide servers with a single connection. Consolidating to an Ethernet fabric greatly reduces the amount of equipment required in the data centre and drastically lowers both power consumption and the overall cost of administration.

The Benefits of Ethernet for IP-based Storage Networking

As enterprise data centres continue to deploy more powerful processors and clustering for compute capacity, the need for terabits of storage capacity is becoming standard. IP storage solutions such as NAS, iSCSI, and FCoE, can all benefit from the high-bandwidth, low-latency, and scalability of 10 GbE, including:

High-throughput, high-availability and low-latency are crucial requirements of the IP storage network, which can readily be provided by the IBM System Networking BNT family of blade and top-of-rack Ethernet switches.

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