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Patent

Method for wide area network service location

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TLDR
In this paper, a client queries the network when seeking a particular service and receives in turn the address of the Broker and a Server to obtain the service desired, which is then forwarded to the server.
Abstract
A method for a client to locate a particular service from a service provider on wide area computer networks. The method includes multicasting of an advertisement from a service provider, which advertisement is detected by a Service Broker and in turn multicast into the wide area computer network. A client queries the network when seeking a particular service and receives in turn the address of the Broker and a Server to obtain the service desired.

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References
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Patent

Information and advertising distribution system and method

TL;DR: In this paper, the authors present an information and advertising distribution system, in which a data server stores and updates a database of information items and advertisements, each categorized so that each has an associated information category.
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Method and system for providing a document service over a computer network using an automated brokered auction

TL;DR: In this article, a broker process is provided with a description of a document service, and an auction for the document service is conducted, as follows: a customer or supplier process submits a bid for the service, the broker process receives bidding information including the submitted bid, and then, if a price can be established, establishes the price; if the price is established, a transaction is to be provided at the established price; and if the proposed transaction is accepted, it can proceed automatically.
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System and method for providing trusted brokering services over a distributed network

TL;DR: Online Brokering Service as discussed by the authors provides user authentication and billing services to allow users to anonymously and securely purchase online services from Service Providers (SP) sites over a distributed public network, which may be an untrusted public network such as the Internet.
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Cooperative processing interface and communication broker for heterogeneous computing environments

TL;DR: In this article, an object interface is disclosed that supports three modes of inter-object communication: message processing (store and forward), conversational communication, and remote procedure call, and the broker manages the service offerings from servers and service requests from clients.

A DNS RR for specifying the location of services (DNS SRV)

TL;DR: This document describes a DNS RR which specifies the location of the server(s) for a specific protocol and domain (like a more general form of MX).