METHOD AND SYSTEM FOR AVOIDING READ-CORRECT-WRITE OPERATION USING BOUNDARY WORD STORAGE MECHANISM

摘要

PROBLEM TO BE SOLVED: To eliminate necessity to perform a read operation in a read-correct-write operation. SOLUTION: A buffer and a tag which are controlled in relation to a read request, are utilized, data are transmitted and tag information is transmitted in response to these requests, to avoid the read-correct-write operation which is performed in a communication adapter. A function of this adapter is to assemble a plurality of various data blocks each having a various information quantity into a single data packet for transmitting the data packet to another memory. When an error-correcting function related to a memory of the adapter is present, utilization of the read-correct-write operation for limiting a bandwidth is required unless the present invention is utilized. COPYRIGHT: (C)2004,JPO&NCIPI