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1. 发明授权

US06915450B2 Method and apparatus for arbitrating transactions between domains in a computer system 有权
标题翻译：用于仲裁计算机系统中的域之间的事务的方法和装置
公开(公告)号：US06915450B2
公开(公告)日：2005-07-05
申请号：US10034919
申请日：2001-11-01
申请人： Andrew E. Phelps , Thomas P. Van Wormer , Gary L. Riddle
发明人： Andrew E. Phelps , Thomas P. Van Wormer , Gary L. Riddle
IPC分类号： G06F11/10 , G06F11/00 , G06F15/173
CPC分类号： G06F11/2023 , H04L1/0061
摘要： A method for communicating transactions includes providing an interconnect having a plurality of ports for communicating transactions between a plurality of domains in a computing system is provided. Each port is associated with a subset of the domains. The interconnect includes a first signal path for transmitting a first portion of the transaction and a second signal path for transmitting a second portion of the transaction. A transaction issued from a port associated with more than one of the domains is identified. An error in one of the first and second portions of the transaction is identified. The transaction is canceled responsive to identifying the error. A computing system for communicating transactions includes first and second devices. The first device is adapted to receive a first portion of a transaction. The second device is adapted to receive a second portion of the transaction in lockstep with respect to the first device. The first and second devices are further configured to identify an error in one of the first and second portions of the transaction, respectively, and the one of the first and second devices that identifies the error is further configured to send a notification signal to the device associated with the other of the first and second portions of the transaction responsive to identifying the error.
摘要翻译：用于通信交易的方法包括提供具有用于在计算系统中的多个域之间传送交易的多个端口的互连。每个端口与域的子集相关联。互连包括用于发送交易的第一部分的第一信号路径和用于发送交易的第二部分的第二信号路径。识别从与多个域相关联的端口发出的事务。识别事务的第一和第二部分之一的错误。响应于识别错误而取消交易。用于通信交易的计算系统包括第一和第二设备。第一设备适于接收事务的第一部分。第二设备适于在锁定步骤中相对于第一设备接收交易的第二部分。第一和第二设备还被配置为分别在事务的第一和第二部分之一中识别错误，并且识别错误的第一和第二设备中的一个设备进一步被配置为向设备发送通知信号与交易的第一和第二部分中的另一个相关联，以响应于识别错误。

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