Method for supporting file versioning in mbms file repair

Details Method for supporting file versioning in mbms file repair Method for supporting file versioning in mbms file repair

H - Electricity

04

H

H04H 20/57 (2009.01) H04L 29/08 (2006.01)

Patent

CA 2675135

A system and method are provided for changing the file repair functionality associated with MBMS systems in order to allow for the unambiguous identification of a file version in the file repair request. A file repair request is extended by information that can globally, and independently of the file download session, identify the version of a file. According to one embodiment of the present invention, a last modification date of a file can be utilized in conjunction with the file's URL to identify the file and its version. According to another embodiment of the present invention, a hash value of the file can be utilized in conjunction with the file's URL to identify the file and its version.

Système et procédé destinés à modifier la fonctionnalité de réparation de fichier associée aux systèmes de services de diffusion multimédia/multidiffusion (MBMS) en vue de permettre l'identification non ambiguë d'une version de fichier dans la demande de réparation de fichier. Une telle demande est étendue par des informations qui peuvent, dans leur ensemble et indépendamment de la session de téléchargement de fichier, identifier la version d'un fichier. Selon un mode de réalisation de l'invention, une dernière date de modification d'un fichier peut être utilisée conjointement à l'URL du fichier afin d'identifier le fichier et sa version. Selon un autre mode de réalisation, une valeur de hachage du fichier peut être utilisée conjointement à l'URL du fichier afin d'identifier le fichier et sa version.

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