Browse Prior Art Database

Bysinc Message-Type Reporting Technique

IP.com Disclosure Number: IPCOM000040360D
Original Publication Date: 1987-Nov-01
Included in the Prior Art Database: 2005-Feb-02

Publishing Venue

IBM

Related People

Authors:
Morrison, WP Pogorzelski, JS Solie, DW Wilson, JH [+details]

Abstract

Binary Synchronous Communications (BISYNC) traditionally requires intense processing due to embedded control characters in a serial data stream. A method is described which greatly reduces system overhead by off-loading most message-type determination. BISYNC defines a method for two computing devices to communicate over a serial data link. It defines control characters necessary to provide control flow, data integrity checking, and line protocol. A technique is described that allows an Input/Output processor to do frame control recognition, control character stripping, and message-type status passing to greatly decrease the overhead normally required by a main system processor.