Title:
RDMA完了および再送信システムおよび方法
Document Type and Number:
Japanese Patent JP4464969
Kind Code:
B2
Abstract:
A system and method for maintaining ordering in completion and retransmit operations in an RDMA environment. A system is provided for handling a completion process in an remote data memory access (RDMA) environment having a RequestOut channel and a ResponseOut channel, comprising: a descriptor list for each channel, wherein each descriptor list includes a message descriptor for each message in the channel; an update mechanism for updating a message length field in the message descriptor with a sequence number of a last byte in the message whenever a channel swap occurs between the RequestOut channel and the ResponseOut channel; an acknowledgement (Ack) completion system that examines values in a completion context and compares a sequence number of a next to complete message with a last acknowledged sequence number to determine if the message should be completed; and a read request completion system that performs completion of a read request.
More Like This:
Inventors:
Biran, diora
Mathursky, Zoric
McHellvax, Vadim
Mathursky, Zoric
McHellvax, Vadim
Application Number:
JP2006542745A
Publication Date:
May 19, 2010
Filing Date:
December 02, 2004
Export Citation:
Assignee:
INTERNATIONAL BUSINESS MASCHINES CORPORATION
International Classes:
H04L13/08; G06F3/00; G06F9/44; G06F9/46; G06F13/00; G06F15/16; H04L12/56; H04L29/06; H04L29/08
Domestic Patent References:
| JP2003015824A | ||||
| JP2002351817A |
Foreign References:
| WO1999035793A1 |
Attorney, Agent or Firm:
Takeshi Ueno
Tasaichi Tanae
Yoshihiro City
Hiroshi Sakaguchi
Tasaichi Tanae
Yoshihiro City
Hiroshi Sakaguchi