Design And Implementation Of System For Resources Publishing And Updating In VOD Based On P2P

Along with the fast development of entertainment trade, entertainment resource release speeds to speed continuously and the request for entertainment resource quickly and cheaply updating of KTV center that is popular is also more and more strong.So that quickly and cheaply publishing and updating entertainment resource file, a lot of systems based on P2P for publishing and updating of entertainment resource are already existed.Although Now systems based on P2P for publishing and updating of entertainment resource are already popular, but these systems still exists some problems to be resolved.For example peer error, security, extensibility and copyright of entertainment resource.According to the demand of publishing and updating for entertainment resource and above problems, the paper put forward system for publishing and updating of entertainment resource based on P2P that use improved centralized model.For effectively resolving above problems,system adopt some measures:first avoid peer error by redundancy of pivotal component and adaptive mechanism;second improve performance and exactness for resource quering by parcel centralized model;finally protect behalf of provider of entertainment resource by authentication and charge.Based on research of the topic theories and engineering practice,the paper gainedthree important middle products-------system platform, client for publishing ofentertainment resource, client for updating of entertainment resource.