Method of identifing VOIP flow based on SIP protocol process performance
A SIP protocol and feature recognition technology, applied in baseband systems, transmission control/equalization, communication between multiple stations, etc., can solve the problem of inappropriate SIP data flow duration acquisition, and cannot meet the needs of refined service differentiation. and other problems to achieve the effect of high recognition rate
Active Publication Date: 2007-02-14
G CLOUD TECH
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Problems solved by technology
These make it impossible for the existing coarse-grained classification methods to meet the requirements of fine-grained service differentiation if QoS guarantee is provided for specific VoIP services.
[0008] In addition, because in the Voip conversation system, the SIP data flow does not exist from the beginning to the end. Generally speaking, it is generated because the SIP control flow is specified in its static load, so traditional methods such as port identification are not suitable. For further acquisition of parameters such as the duration of the SIP data stream
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[0048] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.
[0049] Such as figure 1 as shown, figure 1 The flow chart of realizing the overall technical scheme of identifying VOIP traffic based on the SIP protocol process feature provided by the present invention, the method comprises the following steps:
[0050] Step 101: identify and control data packets in the SIP session by keyword matching and establishing identification rules for request messages and response messages;
[0051] Step 102: By analyzing the keyword features in the determined data packets related to the control session, extract the judgment information of the dynamic conversation flow to be generated, and identify the data packets related to the dynamic conversation during the voice communication session , to r...
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This invention discloses a method for identifying VOIP flows based on the SIP protocol process character including: A, identifying the data packet in the SIP control session by matching key words and setting up identifying rule to required messages and response messages, B, analyzing the character of key words determined in the data packet relating to control session to pick up the judgement information of the being generated dynamic session flow to identify the data packets relating to the dynamic session in the phone session process to realize the complete idenfication of VOIP flow based on the SIP.
Description
technical field [0001] The invention relates to the technical fields of computer network traffic monitoring, traffic shaping, traffic control, network quality of service (QoS) and network performance analysis, in particular to a method for identifying VOIP traffic based on SIP protocol process characteristics. Background technique [0002] Application layer traffic identification is one of the important prerequisites for analyzing the traffic composition, distribution, and changing rules of various application layer services carried by the network, understanding service performance, locating network bottlenecks, and ensuring QoS for key services. [0003] With the advancement of technology and the increase of Internet bandwidth, multimedia applications on the network are becoming more and more common, people are increasingly dependent on the network, and the traffic of new multimedia services such as streaming media, VoIP, and video conferencing is increasing. [0004] VoIP ...
Claims
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Login to View More IPC IPC(8): H04L12/24H04L29/06H04L12/26H04L12/56G06F17/30H04N7/173G06F11/10G06F15/00G06F21/24G09C1/00G11B20/10G11B20/14G11B20/18G11B20/22H03L7/091H03M13/03H03M13/13H03M13/23H03M13/29H04B1/707H04B7/005H04B7/24H04B7/26H04B14/00H04H60/72H04J13/00H04J13/16H04L1/00H04L9/08H04L9/10H04L9/32H04L25/03H04L25/497H04L47/20H04M1/66H04M1/72415H04N7/26H04N7/52H04W4/06H04W4/12H04W4/14H04W8/02H04W8/16H04W8/20H04W8/24H04W8/26H04W12/06H04W12/10H04W24/00H04W40/22H04W72/04H04W76/02H04W80/06H04W84/12H04W88/02
CPCH03M13/6362H04N19/00151H04L1/0066H04L9/304H04L63/126H04M1/72533H04W4/14Y10S370/906G06F21/74H04W8/26H04L25/03038H04B10/25754H03M13/6356H03M13/2903H03L7/091H04N19/00951G11B20/22G06F2221/2115G06F21/6209H04N19/00812H03M7/4006H04N19/00036H04L25/497H03M13/2993H04L9/085H04L65/1043H04W88/085H04L51/04H04W12/10H04J13/0077H04L51/38Y10S370/907H04J13/16G06F2221/2105G11B20/10009H04W72/042H04M3/42221H03M13/23G06F21/305G06F21/88H04B7/2628H04W52/30G11B20/10425H04W4/12H04L51/28H04W8/245H04L65/1006H04M7/1295H04L1/0068H04W76/022H04L65/1016H04N19/139H04N19/109H04N19/91H04N19/625H04W76/12H04M1/72415H04L51/48H04L51/58H04L65/1104H04W72/23
Inventor 陈敏张广兴李士达杨建华谢高岗
Owner G CLOUD TECH