The largest of these uses  what it dubs an "edge network" and is called Akamai.
One company that specializes in this sort of entity developed for their version of this technology the CROS  and ICTT protocols, while more generic protocols used include NECP and CARP. One classification divides  their behavior into random, popularity, greedy-single, and greedy-global. The behavior of these entities can  also be cooperative or uncooperative. The largest of these entities was founded by F. Thomson Leighton and  Daniel Lewin, the later of whom died on September 11th. That company offers Aqua and Sola products.  Amazon's entry in this field is CloudFront. This umbrella term includes both negotiation services and hierarchical  caching. Examples of these include Coral, which is based on peer to peer technology, and Limelight. These entities  must handle request routing and individual units in these are dubbed origins or replicas. The largest of these uses  what it dubs an "edge network" and is called Akamai. For 10 points, name these collections of servers that mirror  information across the Internet, thus allowing web users to access material with a high quality of service.
One company that specializes in this sort of entity developed for their version of this technology the CROS  and ICTT protocols, while more generic protocols used include NECP and CARP.
Content Delivery Networks [or Content Distribution Networks]