Selecting a content delivery network

摘要

A device may receive a content distribution network (CDN) routing table from a topology manager; receive a request, from a device in either of a redirect CDN or a domain name system (DNS), to identify a target CDN for sending content to a user device; perform a lookup in the CDN routing table, based on information provided by the device and CDN selection policies, to select the target CDN; obtain an identifier corresponding to the target CDN as a result of performing the lookup; and provide the identifier to the device.

主权项

1. A system comprising:
a topology manager configured to:
receive configuration information for collecting network data;receive the network data from data collection components; andreceive a list of content distribution networks (CDNs) from an administration device; and a request router to:
receive a CDN routing table from the topology manager, wherein the CDN routing table includes the list of CDNs;receive a request, from a device in one of a redirect CDN or a domain name system (DNS), to identify a target CDN, from the list of CDNs, for sending content to a user device;perform a lookup in the CDN routing table, based on information provided by the device and CDN selection policies provided by the topology manager, to select the target CDN;obtain an identifier corresponding to the target CDN as a result of performing the lookup; andprovide the identifier to the device.