Method of redirecting client requests to web services

Details Method of redirecting client requests to web services Method of redirecting client requests to web services

H - Electricity

04

L

H04L 29/06 (2006.01) G06F 17/30 (2006.01)

Patent

CA 2548137

Method of redirecting a request for a web service in a data transmission network such a the Internet wherein, in response to a request forwarded by a host (10) of a client to a web service provider, this one provides a Web Service Definition Language (WSDL) file based upon a message exchange protocol such as Simple Object Access Protocol (SOAP) on a transport protocol such as HTTP. This method being comprises the steps of forwarding a first request from the client to an old address of said web service (12), responding to the client from the web service point associated with the old address by sending back a message wherein the header using said message exchange protocol contains the new address redirection of the requested web service (14), and forwarding a second request from the client to the new address of the web service.

L'invention concerne un procédé pour rediriger une demande de services Web dans un réseau de transmission de données tel qu'Internet, en réponse à une demande transmise par l'ordinateur hôte (10) d'un client à un fournisseur de services Web, lequel fournit un fichier de langage de définition de services Web (WSDL) basé sur un protocole d'échange de messages tel que le protocole SOAP sur un protocole de transport tel que http. Ce procédé consiste à transmettre une première demande émise par le client à une ancienne adresse du service Web (12), à répondre au client à partir du point de services Web associé à l'ancienne adresse par le retour d'un message où l'en-tête utilisant le protocole d'échange de messages contient la redirection à la nouvelle adresse du service Web demandé (14), et à transmettre une deuxième demande émise par le client à la nouvelle adresse du service Web.

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