| 摘要 |
An optical service network (100) delivers integrated services such as voice, video, and data to the home (130). A single termination device (130) is used for all services including local and long distance service, television and video services, high-speed Internet access, and other data services. A switch protocol facilitates interconnecting multicast virtual circuits at the content source to fixed unicast virtual circuits at the user premises. Each termination point (130) in the network (100) is connected to the operations center (105) with dedicated virtual circuits. Thus the system provides a rich diversity of services using uniform data transmission in a secure environment.
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