The Alpha 21364 Network Architecture

  • Authors:
  • Shubhendu S. Mukherjee;Peter Bannon;Steven Lang;Aaron Spink;David Webb

  • Affiliations:
  • -;-;-;-;-

  • Venue:
  • HOTI '01 Proceedings of the The Ninth Symposium on High Performance Interconnects
  • Year:
  • 2001

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Abstract

Abstract: The Alpha 21364 processor provides a high-performance, highly scalable, and highly reliable network architecture. The router runs at 1.2GHz and routes packets at a peak bandwidth of 22.4 GB/s. The network architecture scales up to a 128-processor configuration, which can support up to four terabytes of distributed Rambus memory and hundreds of terabytes of disk storage. The distributed Rambus memory is kept coherent via a scalable, directory-based, cache coherence scheme. The network also provides a variety of reliability features, such as per-flit ECC. These features make the 21364 network architecture well-suited to support communication-intensive server applications.