Network architecture and transmission method suitable for digital media release service

A technology of network structure and transmission method, applied in the direction of transmission system, star/tree network, store-and-forward switching system, etc., can solve the problem that multicast has not really been implemented on a large scale, and achieve the effect of reliable broadcast or multicast

Inactive Publication Date: 2005-09-14
ZHEJIANG UNIV
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Problems solved by technology

But in the current Internet, due to many reasons, mult

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  • Network architecture and transmission method suitable for digital media release service
  • Network architecture and transmission method suitable for digital media release service

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Embodiment Construction

[0033] For the structure of the media information distribution network, see figure 1 , where the information source is located is called the publishing center (3), and the audience is located at the receiving terminal (4). The media release network is connected with the release center (3) and a large number of receiving terminals (4).

[0034] The media publishing network (5) is composed of a core network (1) and an auxiliary network (2). Among them, the core network (1) uses broadcast and multicast technology to provide end-to-end one-way data transmission from the distribution center to the receiving terminal, and the auxiliary network (2) provides end-to-end two-way data communication between the distribution center and the receiving terminal. The publishing center (3) is at the top of the core network (1), and the receiving terminal (4) is at the border of the core network (1).

[0035] The core network (1) and the auxiliary network (2) are geographically overlapping. In...

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Abstract

This invention relates to a network structure and a transmission method suitable for digit media issue service including a media issuing network, an issuing center and several receiving terminals, among which, the media issuing network is composed of a core network and an assist network overlapped on geographical positions, the core network uses broadcast and multicast transmission method to provide end-to-end single-way data transmission rom the issuing center to the receive terminals, the assist network provides two-way data communication of end-to-end from the center to the receive terminals, among which, the core network applies a tree-like topology and uses the broadcast of step-by-step or multicast technology to support real-time video/audio flow transmission and data transmission from the center to multiple receive ends.

Description

technical field [0001] The invention relates to the field of information technology, in particular to a network structure and transmission method suitable for digital media publishing services. Background technique [0002] Digital media distribution applications are characterized by one (or a small number of) information sources distributing information to a large audience. The typical application of information publishing on the network and its realization technology are as follows: 1. On the computer data network (TCP / IP network), the data information release with low real-time communication requirements is performed; 2. On the data network Use streaming technology to release video (video and audio) information. [0003] Using traditional end-to-end data communication technology, in the case of a large number of receiving ends, there will be traffic convergence effect near the information source, which greatly affects the smoothness of network data transmission. In orde...

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Application Information

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IPC IPC(8): H04L12/44H04L45/16
Inventor 邢卫鲁东明
Owner ZHEJIANG UNIV
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