H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 29/06 (2006.01) H04L 12/26 (2006.01) H04L 29/08 (2006.01)
Patent
CA 2517197
A client-side intermediary (30) is provided to balance the loading of Web service requests between a plurality of servers (32). The status of the Web service servers (32) is monitored by a monitoring server (35) which provides status updates to the intermediary (30) upon request. The intermediary then uses the information on the status of the servers (32) to decide where to send web service requests. Additionally, the intermediary is able to direct requests for Web service descriptions to the least busy server on the basis of status information. The intermediary (30) substitutes its own identifier for the service name and port in the Web service description before passing it to the client so that all requests are directed through it, thus allowing the continual provision of service for the client even in the event that one of the servers fails.
L'invention concerne un intermédiaire côté client (30) permettant d'équilibrer la charge des demandes de services Web entre plusieurs serveurs (32). L'état des serveurs de services Web (32) est contrôlé par un serveur de contrôle (35) qui fournit des mises à jour d'état à l'intermédiaire (30), sur demande. Ensuite, l'intermédiaire utilise l'information relative à l'état des serveurs (32) pour déterminer la destination à attribuer aux demandes de services Web, et il est également capable d'orienter les demandes de descriptions de services Web vers le moins chargé des serveurs, sur la base de l'information d'état. L'intermédiaire (30) substitue son propre identificateur au nom et à l'accès de service dans la description de service Web, avant de le transmettre au client, moyennant quoi la fourniture de service au client est continue même en cas d'échec de l'un des serveurs.
Ayoola Femi
Beddus Simon Alexander
Farley Patrick Brian
Hosking Michael Robert
Roxburgh David
British Telecommunications Public Limited Company
Gowling Lafleur Henderson Llp
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