H
ELECTRICITY
H
ELECTRICITY
H04
ELECTRIC COMMUNICATION TECHNIQUE
H04
ELECTRIC COMMUNICATION TECHNIQUE
H04N
PICTORIAL COMMUNICATION, e.g. TELEVISION
H04N
PICTORIAL COMMUNICATION, e.g. TELEVISION
H04N21/00
Selective content distribution, e.g. interactive television or video on demand [VOD]
H04N21/00
Selective content distribution, e.g. interactive television or video on demand [VOD]
H04N21/20
Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
H04N21/20
Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
H04N21/21
Server components or server architectures
H04N21/21
Server components or server architectures
H04N21/222
Secondary servers, e.g. proxy server, cable television Head-end
H04N21/222
Secondary servers, e.g. proxy server, cable television Head-end