By Benny Bing
Fresh years have obvious an exponential bring up in video and multimedia site visitors transported over the net and broadband entry networks. This well timed source addresses the main problem dealing with many provider services at the present time: powerful bandwidth administration for helping top of the range video supply. Written through a well-known specialist within the box, this functional e-book describes how you can optimize video transmission over rising broadband networks. furthermore, the publication explores new instant entry networks which could permit video connectivity either inside and out the residential premise.
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Additional info for 3D and HD Broadband Video Networking
13. , cable) environment while computer networks and Internet access are moving in the opposite direction. 18 Chapter 2 The Access and Home Networks The majority of broadband services are supported by a wide variety of broadcast or switched access networks. , digital video broadcast, 4G wireless), and traditional cable networks employ broadcast (shared) transmission. , DSL, fiber) with dedicated connections. This fundamental infrastructure difference may provide telcos with an advantage but is offset by the lower data rates available in the copper wires in DSL networks.
78 0 To summarize, moderate-sized buffers (greater than the average size of the packets) with an appropriate delivery rate reduce the DJR to a reasonable value 36 The Access and Home Networks while maintaining losslessness of transmission (VPLR = 0). A small buffer size at the client device may lead to high packet losses whereas an overprovisioned buffer size will increase channel change latency, which is undesirable. 6 MPEG Video Encapsulation Delivering a video program over IP requires several layers of encapsulation.
This can be configured for low-latency applications such as interactive conversations and streaming media. The bitstream can be encrypted for improved privacy against eavesdropping. Like UDP, RTP does not provide reliable transmission, thus outof-sequence packets can be an issue. 2 Real-Time Transport Control Protocol (RTCP) This is a companion protocol to RTP. RTCP gathers performance statistics on a media connection such as bytes sent, packets sent, lost packets, delay jitter, and round-trip delay.