Buffer pre-registration

Details Buffer pre-registration Buffer pre-registration

2006-01-10

2006-01-10

Nguyen, T (Department: 2187)

Electrical computers and digital processing systems: memory

Address formation

Address mapping

C711S207000

Reexamination Certificate

active

06986017

ABSTRACT:
A method, apparatus, system, and signal-bearing medium that in an embodiment pre-register buffers remotely and create tokens locally that represent the buffers prior to a data transfer operation that uses the tokens to access the buffers. In an embodiment, the buffers are pre-registered via a translation table, and the tokens are used as an offset into the translation table. In an embodiment, the pre-registration verifies that the buffer is within memory allocated to a logical partition, which protects against the risk of address corruption.

REFERENCES:
patent: 4945480 (1990-07-01), Clark et al.
patent: 5361356 (1994-11-01), Clark et al.
patent: 5583976 (1996-12-01), Bullard, Jr.
patent: 6747949 (2004-06-01), Futral
patent: 6823437 (2004-11-01), Boyd et al.

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