
Industrial Multimedia 27-11
with proxies and rewalls), it also has many disadvantages. It does not support multicast, only unicast.
erefore, if more than one node is listening to the stream, several connections have to be established that
use the corresponding multiple of the necessary bandwidth. Furthermore, HTTP is based on TCP, which
is a reliable protocol, that is, it does perform retransmission of packets that were not transmitted correctly.
is is completely inadequate for real-time transmission because the retransmitted data will oen be late
and, therefore, useless. In fact, the use of HTTP is just an extension of progressive down ...