If we use "Content-Type: multipart/xyz" and then send the individual
updates over the same request we'll probably have better success with
existing HTTP products, and for #1 it is probably the only valid way
to send multiple responses to the client.
For the "active" HTTP POST notification either the normal keep-alive
functionality or a multi-part encoding will work. Also, the IPP
server SHOULD try to retry a lost connection as needed, but should
also have the option of cancelling the subscription if the server is
unable to detect fault conditions that would degrade the server's
-- ______________________________________________________________________ Michael Sweet, Easy Software Products firstname.lastname@example.org Printing Software for UNIX http://www.easysw.com "Your logic is impeccable, Captain. We are in grave danger."