The important point is to get some precision into the language so that we can discuss more constructively. Van suggested that we use the URL, which is a unique name, as a basis for a universal name. According to what we know we should be able to estimate, and prove by experiments, the value of each selected aspect and option. These levels have different requirements and properties. The borderlines between them are important transition points for the traveling content.
Content providers can cooperate in creating a mirroring network to be prepared for flash-demand.
They will not all be popular at the same time. A next problem is to create a mechanism for mapping a server name to many physical addresses. The latter is more powerful, but is also an infrastructure problem which requires new standards. The network itself can contain caches. This connection point is perhaps the most obvious attack point for caching, but may not yield as much performance improvement as hoped for.