LiveResource Interests

gistfile1.txt

        |   value   |  changes  |    hint   | multiplex |
--------+-----------+-----------+-----------+-----------+
plain   |  no (*1)  |    yes    |   no (*2) |     no    |
wait    |    yes    |    yes    |   no (*3) |    yes    |
socket  |     no    |     no    |     no    |    yes    |
stream  |    yes    |    yes    |    yes    |     no    |
--------+-----------+-----------+-----------+-----------+

*1 - The current value of a value resource is simply the result of a simple GET to the resource.
*2 - This is pointless because a hint is about receiving notification of updated data.
     (You can do this already with HEAD and If-None-Match)
*3 - This could in theory be done using a long-polling HEAD with If-None-Match, but
     

items that support changes also need to send a changes-id header,
and further polls need to supply this to diff by