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System and method for eventless detection of newly delivered variable length messages from a system area network

机译:用于无事件地检测来自系统局域网的新传递的可变长度消息的系统和方法

摘要

A shared I/O subsystem that includes a plurality of I/O interfaces for coupling a plurality of computer systems where each of I/O interfaces communicatively couples one of the computer systems to the shared I/O subsystem. The shared I/O subsystem receives, at a first one of the I/O interfaces, a data packet from one of the computer systems coupled to the first one of the I/O interfaces where the data packet has a variable length, arranges, at the first one of the I/O interfaces, the data packet into an internal format where the internal format has a first portion that includes data bits and a second portion that includes control bits, receives the data packet in a buffer in the shared I/O subsystem where the second portion is received after the first portion, verifies, with the shared I/O subsystem, that the data packet has been completely received by the buffer by monitoring a memory bit aligned with a final bit in the second portion of the data packet, and transmits, in response to the verifying, the data packet to another one of the computer systems coupled to a second one of the I/O interfaces.
机译:共享的I / O子系统,其包括用于耦合多个计算机系统的多个I / O接口,其中每个I / O接口将一个计算机系统可通信地耦合到共享的I / O子系统。共享的I / O子系统在第一个I / O接口接收来自耦合到第一个I / O接口的计算机系统之一的数据包,其中该数据包的长度可变,在第一个I / O接口上,将数据包转换成内部格式,其中内部格式具有包含数据位的第一部分和包含控制位的第二部分,在共享I中的缓冲区中接收数据包/ O子系统,其中在第一部分之后接收第二部分,通过监视与第一个部分的最后一位对齐的存储位,与共享I / O子系统一起验证数据包已被缓冲区完全接收数据包,并响应于验证,将数据包发送到耦合到I / O接口中的第二个的另一个计算机系统。

著录项

  • 公开/公告号US2003208645A1

    专利类型

  • 公开/公告日2003-11-06

    原文格式PDF

  • 申请/专利权人 MATTERS TODD;MCCRORY DUANE;

    申请/专利号US20020186291

  • 发明设计人 DUANE MCCRORY;TODD MATTERS;

    申请日2002-06-28

  • 分类号G06F3/00;

  • 国家 US

  • 入库时间 2022-08-22 00:07:14

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