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Reducing the channel change time is one of the major concerns of IPTV network deployment. This paper proposes multiple channels being delivered to household set top boxes, with a finite duration, to reduce channel change time. Unlike existing proprietary solutions that require additional equipment, or complex interactions between set top boxes and provisioning devices, the proposed method is easy...
Automatic switched optical network (ASON) is controlled with generalized multi protocol label switch (GMPLS). It enables telecom operators to provide automatic traffic provisioning for enhanced network protection, operation and maintenance. The emerging broadband services, such as IPTV and e-science, need point-to-multipoint and multipoint-to-multipoint connections besides the point-to-point one in...
To support IPTV efficiently, it is necessary to introduce multicasting capability to automatic switched optical network (ASON). This paper discusses the merits of multicast IP and ASON, an architecture and performance of overlay and tiered multicast IP/ASON, and a regional testbed in China.
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