Patent ID: 9749192
Date: 2017-08-29
CPC Classifications: G06F,H04L

Claim:
1. A computer-implemented method, in a content delivery (CD) network comprising multiple CD service endpoints, said CD service endpoints running on a plurality of devices, the method operable on a device comprising hardware including memory and at least one processor, the method comprising: (A) defining a first group from a first arbitrary set of nodes comprising CD service instances across the machines of one or more sub-clusters of said CD network (CDN), wherein each node in the first group assumes one or more discrete responsibilities involved in processing of a request across the first group, wherein, in response to a request made at a node of the first group, one or more nodes in said first group is selected to be responsible for processing of the request, said first group having a first topology; and (B) in response to a change to a particular node in said CDN,