U-Net: A User-Level Network Interface for Parallel and Distributed Computing

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U-Net: A User-Level Network Interface for Parallel and Distributed Computing (1995)

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by Thorsten Von Eicken , Anindya Basu , Vineet Buch , Werner Vogels

Venue:	In Fifteenth ACM Symposium on Operating System Principles
Citations:	595 - 17 self

BibTeX

@INPROCEEDINGS{Eicken95u-net:a,
    author = {Thorsten Von Eicken and Anindya Basu and Vineet Buch and Werner Vogels},
    title = {U-Net: A User-Level Network Interface for Parallel and Distributed Computing},
    booktitle = {In Fifteenth ACM Symposium on Operating System Principles},
    year = {1995}
}

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Abstract

The U-Net communication architecture provides processes with a virtual view of a network interface to enable userlevel access to high-speed communication devices. The architecture, implemented on standard workstations using offthe-shelf ATM communication hardware, removes the kernel from the communication path, while still providing full protection. The model presented by U-Net allows for the construction of protocols at user level whose performance is only limited by the capabilities of network. The architecture is extremely flexible in the sense that traditional protocols like TCP and UDP, as well as novel abstractions like Active Messages can be implemented efficiently. A U-Net prototype on an 8-node ATM cluster of standard workstations offers 65 microseconds round-trip latency and 15 Mbytes/sec bandwidth. It achieves TCP performance at maximum network bandwidth and demonstrates performance equivalent to Meiko CS-2 and TMC CM-5 supercomputers on a set of Split-C benchmarks. 1

Keyphrases

distributed computing user-level network interface standard workstation split-c benchmark active message u-net prototype high-speed communication device offthe-shelf atm communication hardware tmc cm-5 supercomputer virtual view 8-node atm cluster performance equivalent communication path maximum network bandwidth user level network interface u-net allows tcp performance userlevel access traditional protocol u-net communication architecture full protection novel abstraction microsecond round-trip latency mbytes sec bandwidth meiko cs-2

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