Data Center Ethernet and Remote Direct Memory Access: Issues at Hyperscale

Remote direct memory access (RDMA) over converged Ethernet (RoCE) was an attempt to adopt modern RDMA features into existing Ethernet installations. We revisit RoCE’s design points and conclude that several of its shortcomings must be addressed to fulfill the demands of hyperscale data centers.

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Bibliographic Details
Published in:Computer (Long Beach, Calif.) Calif.), 2023-07, Vol.56 (7), p.67-77
Main Authors: Hoefler, Torsten, Roweth, Duncan, Underwood, Keith, Alverson, Robert, Griswold, Mark, Tabatabaee, Vahid, Kalkunte, Mohan, Anubolu, Surendra, Shen, Siyuan, McLaren, Moray, Kabbani, Abdul, Scott, Steve
Format: Article
Language:English
Subjects:
Data centers
Ethernet
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Description
Summary:Remote direct memory access (RDMA) over converged Ethernet (RoCE) was an attempt to adopt modern RDMA features into existing Ethernet installations. We revisit RoCE’s design points and conclude that several of its shortcomings must be addressed to fulfill the demands of hyperscale data centers.
ISSN:0018-9162
1558-0814
DOI:10.1109/MC.2023.3261184