Mci Communications Corporation

David C Scharf

Michael C Kirchner

Thomas J Herder

A TCP/IP-based client-server interface for sending service requests from a client computer to a Network Information Distribution Services server. The TCP/IP-based client-server interface is an easily implemented and economical alternative to the proprietary UDP/IP-based client-server interface developed for communication between client computers and Network Information Distribution Services servers. A service request is sent to a specific TCP/IP logical port associated with a particular type of service. A process associated with the specific TCP/IP logical port formats the request in the same manner as requests received through the proprietary UDP/IP-based client-server interface are formatted, and then directs the formatted requests to the Network Information Distribution Services server process that executes the requests.

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Dallas, TX, United States of America

David C Scharf