Telefonica, S.a.

Parminder Chhabra

Xiaoyuan Yang

Nikolaos Laoutaris

Ravi Sundaram

Pablo Rodriguez Rodriguez

Carmelo Alexis Acosta Ojeda

Pablo Rodriguez

Armando Antonio Garcia Mendoza

Pablo Rodríguez Rodriguez

Alvaro Saurín Parra

Xiaoyaun Yang

Minas Gjoka

Armando Antonio García Mendoza

Pablo RODRÍGUEZ

Pedro RODRÍGUEZ RODRÍGUEZ

Carmelo Acosta Ojeda

Comprises identifying an end point or content server that can best serve an end user that sent a DNS request to an ISP DNS resolver, given a geographically distributed network of end points. In particular, the method further comprises using the end points themselves and a tracker to identify and notify to the end user the IP addresses of the least-loaded and closest end points that can best serve the content request.

Method for DNS resolution of content requests in a CDN service

A method of optimizing the design of a Tracker in P2P applications to support DVD features, the method including determining for each peer and video operation the time T and jump point P, generating a hash key HKfor each peer, the hash key having a value K=(P&#x2212;T)/C, where C&#x3e;=1 is the granularity of the system, and grouping the peers with the same hash-key, where the system is designed to provide good viewer experience while supporting DVD features like pause, forward and backward jump operations.

Tracker in P2P systems with DVD functionalities

The invention describes a method of providing incentives to users via supporting mechanisms and algorithms for facilitating the move of DT traffic to off-peak hours. It proposes an efficient utilization of the network resources during peak hour under a flat-rate pricing scheme with the cooperation and blessing of the users and without adding complexity to billing.

Offering incentives under a flat rate charging system

Growing community of inventors

Madrid, Spain

Parminder Chhabra