Patent ID: 7941556
Filing Date: 2011-05-10
Classification: H04L

Abstract:
1. A method of adjusting a routing of requests for an Internet application on a content distribution network, comprising: measuring a front-end proximity of a client cluster to an Internet data center running an instance of the Internet application; measuring a back-end proximity of the Internet data center to a back-end resource; measuring a first volume of network traffic communicated between the client cluster and the Internet data center, the first volume of network traffic specific to the Internet application; measuring a second volume of network traffic communicated between the back-end resource and the Internet data center, the second volume of network traffic specific to the Internet application; calculating at least one performance metric for the Internet application with respect to the client cluster based on the front-end proximity, the back-end proximity, the first volume, and the second volume; and routing the requests for the Internet application from a client at the client cluster to the Internet data center in response to the calculated at least one performance metric; wherein the calculating at least one performance metric comprises: