Proceedings Article | 19 November 2007
Proc. SPIE. 6784, Network Architectures, Management, and Applications V
KEYWORDS: Human-machine interfaces, Transformers, Switches, Statistical analysis, Video, Passive optical networks, Multiplexing, Control systems, Lutetium, Network architectures
With the rapid development of high speed networks, such as Ethernet Passive Optical Network (EPON), traffic patterns
in access networks have evolved from traditional text-oriented service to the mixed text-, voice- and video- based
services, leading to so called "Triple Play". For supporting IPTV service in EPON access network infrastructure, in this
article we propose a novel IPTV program multiplex access system to EPON, which enables multiple IPTV program
source servers to seamlessly access to IPTV service access port of optical line terminal (OLT) in EPON. There are two
multiplex schemes, namely static multiplex scheme and dynamic multiplex scheme, in implementing the program
multiplexing. Static multiplex scheme is to multiplex all the IPTV programs and forward them to the OLT, regardless of
the need of end-users. While dynamic multiplex scheme can dynamically multiplex and forward IPTV programs
according to what the end-users actually demand and those watched by no end-user would not be multiplexed. By
comparing these two schemes, a reduced traffic of EPON can be achieved by using dynamic multiplex scheme,
especially when most end-users are watching the same few IPTV programs. Both schemes are implemented in our
system, with their hardware and software designs described.
