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Monthly Archives: January 2014

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RDMA and machine endianness

Introduction to Endianness Let's start by answering the first question: "what is machine Endianness"? Machine Endianness refer to the way that bytes (i.e. 8 bit values) of word are ordered within memory. Bit Endian - the lower bits are saved...

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Connecting Queue Pairs

General In RDMA there are two options for establishing a connection between two sides: Changing the QP state explicitly in the application by calling ibv_modify_qp() Using librdmacm (in iWARP this is the only way to do it) In this post,...