40. A server operative in a computer network for delivering resources associated with a plurality of content providers to multiple client machines, wherein the plurality of content providers comprise at least a first content provider and a second content provider distinct from the first content provider, the server comprising: cache storage; a table listing content providers of said plurality of content providers having content that is authorized for delivery to client machines via the server, wherein the server is associated with a first alias name corresponding to said first content provider, and wherein the server is associated with a second alias name corresponding to said second content provider, said second alias name being distinct from the first alias name, and wherein the server is operable to replicate at least some of the resources associated with the first content provider, and at least some of the resources associated with the second content provider, and wherein, in response to a request for a resource, the server is operable to use at least the table to analyze an alias name associated with the request to determine a content provider associated with the resource.
40. A server operative in a computer network for delivering resources associated with a plurality of content providers to multiple client machines, wherein the plurality of content providers comprise at least a first content provider and a second content provider distinct from the first content provider, the server comprising: cache storage; a table listing content providers of said plurality of content providers having content that is authorized for delivery to client machines via the server, wherein the server is associated with a first alias name corresponding to said first content provider, and wherein the server is associated with a second alias name corresponding to said second content provider, said second alias name being distinct from the first alias name, and wherein the server is operable to replicate at least some of the resources associated with the first content provider, and at least some of the resources associated with the second content provider, and wherein, in response to a request for a resource, the server is operable to use at least the table to analyze an alias name associated with the request to determine a content provider associated with the resource. 41. A server as recited in claim 40 , wherein the table further comprises, for each of the listed content providers, information from the group consisting of: a reflector name and a committed aggregate information rate (CAIR).