The AS hosts an NRS for indexingthe temporary content copies and a server for local publisherinformation, i.e., permanent copies. External networks are ab-stracted as a single external AS whose content can be accessedvia inter-domain routing and is subject to monetary cost basedon AS peering relations.
The AS hosts an NRS for indexing the temporary content copies and a server for local publisher information, i.e., permanent copies. External networks are abstracted as a single external AS whose content can be accessed via inter-domain routing and is subject to monetary cost based on AS peering relations.