1. A method of managing cacheable streaming content, the method comprising: a) serving a content stream to a mobile node in a first subnet with a first caching proxy in response to a request; b) relocating the mobile node to a second subnet; c) handing off the request to serve the streaming content from the first caching proxy to a second caching proxy; and d) continuing to serve the request for the content stream to the mobile node with the second caching proxy.