Allan Joseph Killian

US Patent:

40965678, Jun 20, 1978

Filed:

Aug 13, 1976

Appl. No.:

5/714212

Inventors:

William H. Millard - San Leandro CA
Allan J. Killian - Berkeley CA
Bruce A. Van Natta - San Leandro CA

International Classification:

G06F 1516
G06F 1540
G06F 1300

US Classification:

364200

Abstract:

An information storage facility with multiple level processors for relieving one or more external host computers or intelligent terminals from conventional time consuming record searching functions, such as record formatting, indexing, buffering and the like. Three processor levels are provided: a communications level for handling external communications, a DBMS level for performing syntax scanning, hashing and coding/decoding routines, and data access functions e. g. indexing, searching, buffering, blocking, deblocking, storage management, and error recovery functions; and a storage level for performing data storage and retrieval, error recovery and storage device management. A direct memory access bus is also provided which enables high speed data transfer among the several processors included within the storage facility and also external host computers or intelligent terminals.