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Congestion Control System for Computer Systems

Summary

Researchers at Purdue University have developed a congestion control system with no OS involvement that is applicable to RDMA's hop-by-hop flow control networks. This new design, called receiver-directed rate metering (RDRM), requires change only at the edge nodes and not at the network switches. This allows for the use of commodity network switches, which reduces cost. In addition, all congestion control is achieved by piggy backing a single integer value with existing acknowledgments (ACKs). RDRM allows for the direct communication of the maximum rate at which each sender may communicate, so it may be adopted in either hop-by-hop or end-to-end flow systems.

Technology Benefits

No OS involvement Only requires change at end nodes Use of commodity switches reduces cost

Technology Application

Integration into existing RDMA protocols Large data centers New network protocols

Detailed Technology Description

Mithuna ThottethodiPurdue Electrical and Computer Engineering

Countries

United States

Application No.

None

Country/Region

USA

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