A mesh relaying method and IP communication system for controlling media transmission path

A transmission path and IP communication technology, applied in the field of network communication, can solve problems such as poor interconnection and interoperability, achieve good compatibility, strong implementability, and improve service quality

Active Publication Date: 2007-11-28
中国科学院沈阳计算技术研究所有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems caused by poor interconnection and intercommunication between different network service providers in the prior art, the purpose of the present invention is to provide a mesh relay that can dynamically control the media transmission path according to the different types of network ISPs where the communication terminals are located. Method and IP communication system

Method used

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  • A mesh relaying method and IP communication system for controlling media transmission path
  • A mesh relaying method and IP communication system for controlling media transmission path
  • A mesh relaying method and IP communication system for controlling media transmission path

Examples

Experimental program
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Embodiment 1

[0049] (1) Working principle

[0050] As shown in Figure 1, the present invention dynamically specifies media data transmission routes according to the different types of network ISPs where communication terminals are located, and redirects the default routes between ISPs in the media transmission routes to internal routes between media relay transponders , the internal routing is completely controllable through the reasonable deployment of the media relay server, and the uncontrollable factors are replaced by controllable factors, which effectively improves the service quality of IP communication. The method and system of the present invention are applicable to various communication protocols of VoIP, and this embodiment uses the SIP protocol for illustration.

[0051] (2) Structure composition of IP communication system

[0052] As shown in Figure 2, the entire IP communication system can be divided into various terminal access devices and an IP communication server system....

Embodiment 2

[0082] In this embodiment, a media relay transponder is selected for the IP communication system to perform communication. The difference with Embodiment 1 is that the content of steps (34), (35) and (36) in the mesh relay method for controlling the media transmission path corresponding to Embodiment 1 is different, using steps (34a), (35a) and (36a) marks, the specific description is as follows:

[0083] (34a) In the control channel interaction process of establishing IP communication, take the session establishment process of communication terminals UA-1 and UA-2 in Fig. 8 as an example, the ISP types of communication terminals UA-1 and UA-2 are the same, it may be Set to ISP-1.

[0084] A21. The communication terminal UA-1 wants to call another communication terminal UA-2. The communication terminal UA-1 first sends a communication request (that is, the INVITE message in the SIP protocol) to the signaling control server. The calling and called numbers query the ISP type i...

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Abstract

The invention discloses a controlling method of net-shaped relay of media transmitting path and IP communication system, which comprises the following steps: setting one or more media relay translators in the media with public net IP address in the IP communicating system; dividing the media relay translator into different components according to the intercommunicating property; judging the belonged ISP pattern through IP communication system in the registering course of communication terminal; selecting one medial relay translator or combining couple of two media relay translators in the same group in the IP communication control channel intercommunicating establishing course; building media channel through media relay translator for communicating terminal; detaching the media channel for IP communication system after finishing the communication. The system contains database, network pattern detector, order control server, media relay translator and media relay distributor. The invention elevates the IP communication service quality effectively, which has strong constructability, extendibility and load balance mechanism.

Description

technical field [0001] The invention relates to a processing technology in the field of network communication, in particular to a mesh relay method and an IP communication system for controlling the media transmission path by relaying the media streams of both communication terminals to improve the service quality of IP communication. Background technique [0002] The new Internet-based VoIP (Voice over Internet Protocol, Internet phone or broadband phone) technology is facing unprecedented opportunities for development. VoIP is a typical real-time service and has high requirements for QoS (Quality of Service). However, the IP network does not provide a perfect Qos mechanism, so that the service quality of multimedia services cannot be guaranteed. Unsatisfactory voice quality limits the wide application of VoIP technology to a large extent. [0003] Under the current Internet status quo, the interconnection between ISPs (Internet Service Providers, Internet service provider...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/06H04L45/60
Inventor 雷为民张伟杨海波李鸿彬
Owner 中国科学院沈阳计算技术研究所有限公司
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