New Trends In The Development Of Network Communications
The past two years, with the rapid development of the data services, broadband video service more and more people of all ages, broadband video service is a voice, data and video in one’s business. Some experts predict that information exchange between people from mainly text-and voice, and gradually changed to video based, and is widely used mainly administrative meetings, distance learning, Business Meetings, telemedicine, emergency communications and other fields.
Broadband video services at the present stage the main use of ADSL, FTTX + LAN, VDSL, WLAN and other access ways of voice, images, data and other information integrated with long-range transmission of interactive video services. Broadband video service features:
(1) to achieve user self-service. Users in their own Office Or call a meeting room can be independently controlled and all kinds of meetings, conference process does not require Operation To the intervention. It also provides users conference booking service, will be in accordance with the termination of your appointment call the membership.
(2) anytime, anywhere. As long as the user terminal with the number of broadband video services and broadband access can be achieved at any time, anywhere, free multi-party video communication services at the same time.
(3) cost savings. On the need for video conferencing applications, the user unit, and its own dedicated video conferencing systems, the need is also no need to purchase MCU MCU and conferences on television bearer network for maintenance, even without the video network upgrade Investment For individual users, user fees are low so that the remote nature of communication has become more cordial.
(4) easy to operate. Humanized operation interface make operations and calls as simple and convenient.
(5) Network Security Reliable. Telecommunications Level of the platform and network services provide a reliable guarantee.
Broadband video service category Broadband video services to users with a convenient communication services for different user needs, is also divided into three categories: multi-point video conferencing services company, broadband video business desktop conferencing, personal video communication.
1. Enterprise multi-point video conference Place in the enterprise branch offices all over the video terminals, broadband Internet access (broadband Internet line or ADSL) access video platforms, thus forming an internal video network business. Client terminal equipment can be dedicated video H.323 video terminals, PC Terminal or PC software, hardware codec plug terminal. Primarily for government agencies, enterprises, institutions and group users. In addition, different industries and sectors can also be used to carry out multi-point video conferencing, such as: remote medical, real-time stock analysts, remote teaching, academic exchange, technical Train Applications.
2, desktop conferencing broadband video services
For business users, the extension of a broadband network service to the client. Clients generally use video terminals or software-middle and low end desktop. For the units and the application of business users can conduct internal group meetings, product and marketing, remote customer communications, remote training.
3. Personal video communications That individuals placed in the home video terminals, broadband Internet (broadband cable or ADSL) access Unicom broadband video network, thus providing broadband video services family. Users to apply for the use of the business through broadband network and to install the client software necessary. Video terminal client PC, or can be Notebook Computer In addition, the need is equipped with a headset, video cameras.
Broadband video business model Ordinary video-based broadband video services TV, to provide users with a variety of business content, good video, audio, rapid improve the user experience; based EPG (electronic program) operation mode of interaction, interface-friendly inherited the traditional television channel fast switching, browse for the elderly, children and people who do not operate the computer development of broadband network users. It also can carry Distance Education , Telemedicine and other rich value added services to attract customers and expand revenue.
Present the main business model are:
Multicast: The main Package Include BTV ( Satellite Radio TV), and N VOD (Quasi-VOD, high ratings rotation player interface), to carry out business using multicast mode. If MAN can better support the existing multicast can be carried out relying on the existing MAN has high QoS guarantee.
Demand services: including VOD services, with the number of users increases, the bandwidth consumption is increasing, and if carried out relying on the existing metropolitan area network, will be faced with the infinite expansion of the business expansion needs, not for the scale of development. Therefore, VOD business to carry out the scale, generally recommended specialized CDN / VDN (content delivery network) transmit VOD content, scalability and security service QoS.
STB-based video phone service: Video-based service platform, or softswitch can STB + TV-based video phone service, the user terminal in a broadband TV network and distant relatives and friends for video calls. Meanwhile, STB with the appropriate business platform, but also through provision of broadband video Game , Distance education, online shopping, business services and other features from the business, as the user’s entertainment, work, life more convenient.
Broadband video service application and development of
Broadband video service system, users experience the best quality audio and video communication, so that “broadband is no distance”, no matter how far apart can be a “face to face communication.” In 2003, China carried out against the wider “SARS” an important period of visual communication services have become both “face to face,” but also “no contact” the most effective means of communication. Should be said that the current wave of broadband video services both to meet the new trend of modern communications, but also to meet people at this stage to communicate the safety and convenience of the society.
In fact, the broadband video service is not only operating business to seek a breakthrough business growth, its greatest value lies in it for human faster and more abundant way of life with a new carrier. From now, broadband video services to meet their needs extensive needs of various people.
First is the need of people to communicate affection. For example, have relatives overseas, via broadband as
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