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In order to use the electricity resources even more intelligent, efficient and safer, the concept of intelligent home electricity system was presented. Based on the analysis of the requirement of the intelligent home electricity system, the Home Gateway and SPO (Smart Power Outlet) were designed to integrate the isolated WSN (Wireless Sensor Network) and the Internet to achieve communication between...
The computer network engineering course, one of essential and popular courses to train the network engineer, requires students to master comprehensive theories on network engineering and experienced practice skills. In this paper, we propose the failure case study method for teaching the computer network engineering course. The applications of the failure case study method are presented with six examples...
IP multicast has been proposed for over a decade, but deployment in heterogeneous Internet is still limited within small area for lack of network management and congestion control. Many application layer multicast (ALM) protocols have been proved to be more scalable and feasible than IP multicast in practical environment. In this paper, we propose an ALM protocol called scalable hierarchical multicast...
Providing rich data collaboration services in conferencing system is vital to the success of SIP-based communication system. It not only presents design and implementation challenges, but also gives an opportunity to develop rich and innovative collaboration services conveniently to provide users with novel communication experience. In this paper we present an extended data collaboration mechanism...
In this paper we present a uniform negotiation and delivery mechanism for SIP-based conferencing system over IP network. With this mechanism rich innovative collaboration services can be developed conveniently to provide users with novel communication experience in IETF centralized conferencing (XCON) system. The mechanism adopts the extended SDP and offer/answer model as media description and negotiation...
In this paper we present a uniform negotiation and delivery framework for TCP-based data collaboration applications over IP network. With this framework rich innovative collaboration services can be developed conveniently and provide users with novel communication experience. The framework adopts the offer/answer model with extended Session Description Protocol as session description and negotiation...
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