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OpenSolaris Project: RDMA Offload Framework

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Introduction

The RDMA Offload Framework (ROF) will provide OpenSolaris support for offloaded iWARP (set of protocols/programming models which put RDMA on IP/Ethernet) implementations. It will provide the foundation for all Opensolaris usage of iWarp. RDMA is a zero copy performance technology with asynchronous processing model. RDMA is supported on different interconnects like InfiniBand, iWarp, Virtual Interface Architecture, etc.

This project will provide two sets of interfaces

  • For ULP's (Upper Level Protocols) such as SDP (Socket Direct protocol), RDS (Reliable Datagram Sockets), iSER (ISCSI Extensions for RDMA), uDAPL (user Direct Access Programming language, used by MPI (Message Passing Interface)) etc.
  • For RNIC's hardware adapters (RDMA enabled Network Interface Cards) and for Software RNIC

Background

TBD

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