IBM z Systems Connectivity Handbook SG24-5444 and z Systems Functional Matrix REDP-5157

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Shared Memory Communications

This chapter describes the Shared Memory Communications features supported on IBM z Systems. The following list describes these features:

•Shared Memory Communications - RDMA¹ (SMC-R) over 10GbE RoCE Express feature which is supported on IBM z13, IBM z13s, IBM zEnterprise EC12, and IBM zEnterprise BC12, and

•Shared Memory Communications - Direct Memory Access (SMC-D) over Internal Shared Memory (ISM), which is supported on IBM z13² and IBM z13s

This chapter includes the following sections:

•Technology overview

•

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