November 2001
Intermediate to advanced
320 pages
7h 58m
English
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12.3. Chapter Summary
InfiniBand Architecture
InfiniBand replaces the traditional server bus with a high-speed switch matrix.
InfiniBand protocols enable direct data placement in memory via RDMA.
HCAs provide memory queueing, memory protection, and I/O protocol processing tasks.
TCAs enable connection to external peripherals such as storage.
InfiniBand switching provides 2.5 Gbps per link.
High speeds are achieved by bundling additional copper or fiber-optic pairs.
InfiniBand cabling has limited distance support, with 17 m for copper and 100 m for fiber optics.
Communication paths over InfiniBand links are established by VLs.
A single link may support as many as 15 VLs for data and one for management.
InfiniBand offers partitioning as a means to zone ...
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