Charles Sprickman <spork@inch.com> wrote:

And wouldn't a cache box with multiple people watching "live content" basically bring us right back to multicasting? One stream to the cache operator, multiple streams out to the clients... Multicasting.

There's a subtle but very important difference: such "multicasting" does not involve injection of customer-originated routing information into the global routing system. Which means that scalability is not an issue.

There's at least one commercial service that does this with RV and NetShow.

Yep. --vadim