Implementing ordered and reliable transfer of packets
- 申请公布号：
- GB2512015(A)
- 申请号：
- GB20120009549
- 申请日期：
- 2011.02.18
- 申请公布日期：
- 2014.09.24
- 申请人：
- INTERNATIONAL BUSINESS MACHINES CORPORATION
- 发明人：
- DAVID ALAN SHEDIVY;PHILIP ROGERS HILLIER III;KENNETH MICHAEL VALK;WILLIAM THOMAS FLYNN
- 分类号：
- G06F13/40
- 主分类号：
- G06F13/40
- 摘要：
- A method and circuit for implementing ordered and reliable transfer of packets while spraying packets over multiple links, and a design structure on which the subject circuit resides are provided. Each source interconnect chip maintains a spray mask including multiple available links for each destination chip for spraying packets across multiple links of a local rack interconnect system. Each packet is assigned an End-to-End (ETE) sequence number in the source interconnect chip that represents the packet position in an ordered packet stream from the source device. The destination interconnect chip uses the ETE sequence numbers to reorder the received sprayed packets into the correct order before sending the packets to the destination device.
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