Burst transfer management system utilizing pointers to ensure th

Details Burst transfer management system utilizing pointers to ensure th Burst transfer management system utilizing pointers to ensure th

1998-07-20

2000-10-24

Lee, Thomas C.

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output data buffering

710 53, 710 34, 710 35, 710 57, G06F 1300

Patent

active

061381861

ABSTRACT:
A system for managing burst data transfers from a sending device to the buffer memory of a receiving device and for managing read operations upon the buffer memory after receiving data. In one arrangement, the system includes data management apparatus that is used in a tape storage device. The data management apparatus uses a Start of Burst pointer, a Current Position pointer and a Tape Mechanism pointer to simplify several functions. These functions include the determination of whether to enable a burst from a sending device and the determination of whether to perform a series of read operations upon the buffer memory. In addition, the Start of Burst pointer and the Current Position pointer are used to re-write a burst into the buffer memory if a previously received burst is determined to be invalid.

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