The hosted cache server
is initialized as described in [MS-PCHC]
In addition, the server's cache can optionally be preloaded in one of the
retrieve the required blocks whose hashes are
identified from an existing hosted cache server and insert them into the cache
of the new hosted cache server.
retrieve the hashes and blocks of required resources from a content server and
insert them into the cache of the new hosted cache server.
In either method, the retrieval can be performed from a
machine other than the hosted cache server and transported to the hosted cache
server by using an implementation-specific intermediary format.
Preloading is never necessary because clients automatically
retrieve missing content and offer it to the server as described in 188.8.131.52.1.
However, preloading a server can result in a more immediate performance gain
when client requests can be planned for.