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2.8.2 ReliabilityThe IP networking
2.8.2 Reliability
The IP networking infrastructure needs to be reliable in the event of device failures.
There should be no single point of failure that could interrupt the delivery of IPTV
services, both multicast or unicast applications. Redundant links should be used
wherever possible.
2.8.3 Fast Responsiveness
The network needs to support minimum response times associated with channel
zapping (refers to changing from one channel to another during a TV viewing
experience).
2.8.4 Predictable Performance
The nature of video bit rate streams is variable due to the differing scene
complexities, which are delivered to an IPTV access device on a frame-by-frame
basis. Therefore, it is difficult to predict the exact requirements of a video
transmission until the service is operating in real-time. IPTVoperators have to bear
this in mind and assign appropriate network resources to cope with variable bit rate
streams.
The IP networking infrastructure needs to be reliable in the event of device failures.
There should be no single point of failure that could interrupt the delivery of IPTV
services, both multicast or unicast applications. Redundant links should be used
wherever possible.
2.8.3 Fast Responsiveness
The network needs to support minimum response times associated with channel
zapping (refers to changing from one channel to another during a TV viewing
experience).
2.8.4 Predictable Performance
The nature of video bit rate streams is variable due to the differing scene
complexities, which are delivered to an IPTV access device on a frame-by-frame
basis. Therefore, it is difficult to predict the exact requirements of a video
transmission until the service is operating in real-time. IPTVoperators have to bear
this in mind and assign appropriate network resources to cope with variable bit rate
streams.
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2.8.2 ReliabilityThe IP networking infrastructure needs to be reliable in the event of device failures.There should be no single point of failure that could interrupt the delivery of IPTVservices, both multicast or unicast applications. Redundant links should be usedwherever possible.2.8.3 Fast ResponsivenessThe network needs to support minimum response times associated with channelzapping (refers to changing from one channel to another during a TV viewingexperience).2.8.4 Predictable PerformanceThe nature of video bit rate streams is variable due to the differing scenecomplexities, which are delivered to an IPTV access device on a frame-by-framebasis. Therefore, it is difficult to predict the exact requirements of a videotransmission until the service is operating in real-time. IPTVoperators have to bearthis in mind and assign appropriate network resources to cope with variable bit ratestreams.
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2.8.2 Reliability
The IP networking infrastructure needs to be reliable in the event of device failures.
There should be no single point of failure that could interrupt the delivery of IPTV
services, both multicast or unicast applications. Redundant links should be used
wherever possible.
2.8.3 Fast Responsiveness
The network needs to support minimum response times associated with channel
zapping (refers to changing from one channel to another during a TV viewing
experience).
2.8.4 Predictable Performance
The nature of video bit rate streams is variable due to the differing scene
complexities, which are delivered to an IPTV access device on a frame-by-frame
basis. Therefore, it is difficult to predict the exact requirements of a video
transmission until the service is operating in real-time. IPTVoperators have to bear
this in mind and assign appropriate network resources to cope with variable bit rate
streams.
The IP networking infrastructure needs to be reliable in the event of device failures.
There should be no single point of failure that could interrupt the delivery of IPTV
services, both multicast or unicast applications. Redundant links should be used
wherever possible.
2.8.3 Fast Responsiveness
The network needs to support minimum response times associated with channel
zapping (refers to changing from one channel to another during a TV viewing
experience).
2.8.4 Predictable Performance
The nature of video bit rate streams is variable due to the differing scene
complexities, which are delivered to an IPTV access device on a frame-by-frame
basis. Therefore, it is difficult to predict the exact requirements of a video
transmission until the service is operating in real-time. IPTVoperators have to bear
this in mind and assign appropriate network resources to cope with variable bit rate
streams.
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