Memory space management method, data transfer method, and computer device for distributed computer system
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United States of America Patent
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Jun 27, 2000
Grant Date -
N/A
app pub date -
Jul 8, 1996
filing date -
Jul 6, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A scheme for realizing a high speed data transfer between memory spaces shared among computers in a distributed computer system, without requiring a complicated and inefficient communication protocol processing at the computer side. One region which is at least a part of a virtual memory space or a real memory space managed by one computer and another region which is at least a part of a virtual memory space or a real memory space managed by another computer are shared between these two computers, and a dedicated virtual connection is set up between these two shared regions. Then, a data transfer between these two shared regions is carried out by using the dedicated virtual connection. A virtual connection identifier of the dedicated virtual connection is registered into a corresponding page table entry in the page table, so that this virtual connection identifier can be obtained at a time of the data transfer by referring to the page table alone.
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