Pre-communication processor

Abstract

Abstract PURPOSE:To set optimum communication speed corresponding to a work content by establishing plural logical channels on one physical line and controlling the multiplicity of a session established in the channel in an equipment controlling communication between computer systems. CONSTITUTION:A data precedence control means 12 sets a precedence parameter by an instruction from an application program 11 and gives the request of the establishment of the session to a pre-communication processor 2. The precedence parameter designates how much occupancy ratio the session has in the logical channel. A logical channel control means 21 analyzes the precedence parameter of the request for the establishment of the session from a host computer system 1. When the logical channel satisfying the precedence parameter exists as the result of the retrieval of a session multiplex control means 24, a session establishment means 23 establishes the session on the logical channel. When such logical channel does not exist, a logical channel establishment means 22 establishes the new logical channel with an opposite computer system 3 and the session establishment means 23 establishes the session on the logical channel.

Inventors

• 👤 Kazuhiko Ishihara
• 👤 一彦 石原

Bibliographic Details