Communications gateway mapping internet address to logical-unit

Details Communications gateway mapping internet address to logical-unit Communications gateway mapping internet address to logical-unit

1997-07-09

2000-09-19

Matar, Ahmad F.

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370331, 370389, 709229, H04J 326, H04B 726

Patent

active

061222763

ABSTRACT:
When a TN3270 client (14) uses the Transmission Control Protocol/Internet Protocol ("TCP/IP")to initiate contact with a TN3270 server (18) to obtain access to an applications program running on a host (12) with which the server (18) employs the Systems Network Architecture ("SNA")protocol to communicate, the server's SNA physical-unit process sends the host's systems service control point an SNA NMVT message that includes a physical-location subfield in a product-set-attributes subvector of a product-set-ID vector. The physical-location subfield includes the client's IP address and TCP port number so that host management applications can determine individual clients' usages without interrupting communications with the server.

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