CN1992650A - Method for detecting calling continuity of IP packet carrying network - Google Patents
Method for detecting calling continuity of IP packet carrying network Download PDFInfo
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- CN1992650A CN1992650A CNA2005101307982A CN200510130798A CN1992650A CN 1992650 A CN1992650 A CN 1992650A CN A2005101307982 A CNA2005101307982 A CN A2005101307982A CN 200510130798 A CN200510130798 A CN 200510130798A CN 1992650 A CN1992650 A CN 1992650A
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- media gateway
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0677—Localisation of faults
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Abstract
The invention discloses a calling through detection method of IP packet carrying network, used for the fault type judgment when calling failure, in which, the media gateway network interface unit sets the detection port, and through the first media gateway, continuously sending the user datagram protocol detection packet to the said detection port of the media gateway, and the said first media gateway gains the said user datagram protocol detection packet returned by the said media gateway, and then calculating the transmission parameters, and according to the said transmission parameters of the user datagram protocol detection packet to judge the fault type. The calling through detection method of IP packet carrying network in the invention timely processes the calling fault detection when detecting the call failure and it can accurately and effectively reflect the cause of the failure, and meanwhile, it can monitor the operation condition of the IP carrying network and media gateway device when system abnormal, and facility the maintenance of NGN system for the operators.
Description
Technical field
The present invention relates to communication technical field, relate in particular to the method that detects the online calling continuity test of IP packet bearer.
Background technology
Soft switch (SoftSwitch) and media gateway (Media Gateway is called for short MG) are respectively the nucleus equipments in the next generation network (Next Generation Network is called for short NGN).Major functions such as calling out control, media gateway access control, resource allocation, protocol processes, route, authentication, charging is mainly finished in soft switch, and provides basic audio business, multimedia service, mobile service and diversified third party's business to the user; Media gateway then realizes foundation, transmission and the release of audio medium stream under the control of soft switch.
Shown in Figure 1 is soft switch and the system group network figure of media gateway in NGN.Soft switch comes control gateway to finish calling procedure by MEGACO (Media Gateway Control, abbreviated as MEG ACO) agreement or MGCP (MediaGateway Control Protocol is called for short MGCP) agreement.After the user B call setup on the user A on the media gateway and another media gateway enters conversation, on media gateway, can set up a RTP port, being used for the speech coding of user A is RTP (RealTransport Protocol, RTP, be called for short RTP) Media Stream, send to MG2 through the packet switching network; This RTP resource can be delivered to user A being reduced to voice from the RTP Media Stream decoding that comes from the user B on another media gateway simultaneously.The mode of two media gateway realization conversations is identical.User A and user B have promptly realized the two-way intercommunication of voice like this.
If in the process of user's communication, fault or congested has taken place in the IP packet carrying network, and then user's conversation can be interrupted; If problem has appearred in the encoding and decoding and the others own of media gateway in the process of conversation, user's conversation also can be interrupted.It is that problem has appearred in gateway device itself or problem has appearred in bearer network that both of these case is difficult to distinguish.
Traditional for the disconnected words of this calling and can't connect the detection method of situation, a kind of way is by postmortem, finds to have and removes test I P bearer network again after calling out disconnected words, and gateway device is carried out diagnostic test come fault location; Another kind of way is that the bearer network to some primary circuit routing directions continues to test.This several method all has incomplete place, and test once more after being out of order on the one hand belongs to location afterwards, is difficult to reflection network and equipment operation situation at that time accurately; On the other hand, continue can't cover whole IP packet bearer networks that whole callings may reach to the bearer network test of some primary circuit routing directions, a large amount of in addition test posts has also increased the weight of the burden of IP bearer network.
Summary of the invention
For solving the situation that can't in time reflect network failure in the prior art, can't cover simultaneously whole IP packet bearer networks that whole callings may reach and the shortcoming that has increased the weight of the burden of IP bearer network fully, the object of the present invention is to provide a kind of method for detecting calling continuity of IP packet carrying network, when family speech channel in communication process is interrupted maybe can't connecting, in time the IP bearer network is carried out continuity test, detect the ruuning situation of network accurately and real-time.
To achieve these goals, the invention provides a kind of method for detecting calling continuity of IP packet carrying network, be used for when calling is broken down, carrying out the judgement of fault type, wherein, network interface unit in media gateway is provided with detection port, and by the described detection port of first media gateway continuously transmitting user data newspaper protocol detection bag to the opposite end media gateway, described first media gateway is obtained the described User Datagram Protoco (UDP) detection bag back calculating transmission parameter that described opposite end media gateway is returned, and detects the transmission parameter that wraps according to described User Datagram Protoco (UDP) and judge described fault type.
The method for detecting calling continuity of above-mentioned IP packet carrying network, wherein, described first media gateway compares by transmission parameter that described User Datagram Protoco (UDP) is detected bag and the transmission parameter threshold values that sets in advance judges described fault type.
The method for detecting calling continuity of above-mentioned IP packet carrying network, wherein, described media gateway compares to judge to call out whether break down by the transmission parameter of the Media Stream that will call out with the transmission parameter threshold values that sets in advance.
The method for detecting calling continuity of above-mentioned IP packet carrying network, wherein, the transmission parameter that described User Datagram Protoco (UDP) detects bag and Media Stream comprises packet loss and/or shake and/or time delay.
The method for detecting calling continuity of above-mentioned IP packet carrying network, wherein, the packet loss of described Media Stream, shake, the time Yanzhong any one during greater than its corresponding threshold values, described first media gateway is judged to call out and is broken down; Described User Datagram Protoco (UDP) detect bag packet loss, shake, the time Yanzhong any one during greater than its corresponding threshold values, the described first media gateway failure judgement type is that the IP bearer network is unusual, otherwise the failure judgement type is a media gateway abnormal.
The method for detecting calling continuity of IP packet carrying network of the present invention is when detecting Call failure, in time carry out the detection of Call failure, can reflect the reason that fault occurs accurately and effectively, the ruuning situation of IP bearer network and media gateway device made things convenient for the maintenance of operator to the NGN system when but monitoring system was unusual simultaneously.
Description of drawings
Fig. 1 is the networking schematic diagram of soft switch and media gateway in the NGN network;
Fig. 2 wraps in the schematic diagram that moves towards that reaches on the IP bearer network between media gateway for UDP in the calling continuity testing process among the present invention;
Fig. 3 is a detailed process schematic diagram of the present invention.
Embodiment
The network interface unit of media gateway is the interface of media gateway and IP bearer network, is used for simultaneously the Media Stream of media gateway generation being sent on the IP bearer network from the online Media Stream access media gateway inside of IP packet bearer.
Network interface unit in media gateway is provided with detection port, and by the detection port of first media gateway continuously transmitting user data newspaper protocol detection bag to the opposite end media gateway, first media gateway is obtained the User Datagram Protoco (UDP) detection bag back calculating transmission parameter that the opposite end media gateway is returned, and detects the transmission parameter that wraps according to described User Datagram Protoco (UDP) and judge described fault type.
Transmission parameter among the present invention comprises packet loss and/or shake and/or time delay, and in most preferred embodiment, transmission parameter comprises packet loss, shake and time delay.
The method for detecting calling continuity of IP packet carrying network of the present invention is used for initiatively the IP bearer network being carried out conduction detection when the speech channel of media gateway is interrupted maybe can't connecting, to current Call failure carry out in time, accurate in locating.
Among the present invention, at first the network interface unit in media gateway is provided with a detection port, be used for continuous UDP (the User Datagram Protocol that will receive, User Datagram Protoco (UDP)) detects bag and return to and send source IP and the PORT that this UDP detects bag, and set the threshold values of packet loss that normal talking need possess, time delay, shake in media gateway;
After a call setup on the media gateway enters conversation, media gateway is by RTCP (Real TimeControl Protocol, real time control protocol) agreement is monitored in real time to the Media Stream on the RTP port of this calling, and data monitored comprises real-time packet loss, shake in real time, real-time time delay; And with real-time packet loss, shake in real time, the threshold values of time delay and packet loss, shake, time delay is relatively judged network condition in real time, when real-time packet loss, shake in real time, in real time the time Yanzhong any one during greater than its corresponding threshold values, be judged as network and break down;
After judging network and breaking down, the network interface unit that detects the media gateway that network breaks down initiatively sends UDP continuously to the detection port of opposite end media gateway and detects bag;
If the media gateway of opposite end receives this UDP in this detection port and detects bag, then this UDP is detected the bag loopback to sending the media gateway that this UDP detects bag;
The interface unit that detects the media gateway that network breaks down detects bag according to the UDP that receives and calculates the packet loss that UDP detects bag, UDP detects the time delay of bag, UDP detects the shake of bag, and and packet loss, shake, the threshold values of time delay relatively, if the UDP that calculates detects the packet loss of bag, UDP detects the time delay of bag, UDP detects when any one is greater than its corresponding threshold values in the shake of wrapping, then report the alarm of IP bearer network conduction detection failure to network management system, and write down this and detect pairing call information, otherwise report the unusual alarm of media gateway device call treatment to network management system, and write down the information of this calling.
Below method of the present invention is described in more details.
On the IP bearer network as shown in Figure 2, have media gateway 1, media gateway 2, media gateway 3 respectively, the network interface unit of these media gateway all has IP bearer network measuring ability.
Set in network interface unit that to be used to receive the detection port that UDP detects bag be PORTD, receive promptly when the UDP that sends to PORTD on the IP bearer network detects bag that its network interface unit detects source IP address in the bag, source PORT according to UDP and number this UDP detected bag and be transmitted back on the IP bearer network;
As: receive that UDP detects bag, its source IP is that 202.202.111.1, source PORT are 60001, purpose IP is that the data content that 203.203.222.1, purpose PORT are 65000, UDP detects bag is 12345; Then after network interface unit is handled, source IP become that 203.203.222.1, source PORT are 65000, purpose IP is that 202.202.111.1, purpose PORT are 60001, the UDP message content is 12345 still, resend on the IP bearer network;
Network interface unit can initiatively send UDP continuously and detect bag, and according to the UDP of each transmission detect the transmitting time of bag and can receive this bag, the Time Calculation that receives this UDP bag once more goes out packet loss, the UDP that UDP detects bag and detects the parameters such as time delay of wrapping.
Shown in Figure 2 is exactly that media gateway 1 is found the calling of media gateway 2, media gateway 3 has been occurred unusually, and the UDP when media gateway 2, media gateway 3 being carried out the calling continuity test detects the bag route and moves towards schematic diagram.
A complete procedure that is implemented in realization calling continuity test on the IP bearer network is described below in conjunction with Fig. 3.
Be set in and set up a calling between media gateway 1 and the media gateway 2, and media gateway 1 to be used for this IP address of calling out the RTP1 Media Stream be IP1, udp port number is PORT1; It is IP2 that media gateway 2 is used for this IP address of calling out the RTP2 Media Stream, and udp port number is PORT2; Suppose that media gateway 1 detects this conversation earlier and occurred unusually, then to this call out on the IP bearer network, realize conduction detection process as shown in Figure 3, comprise the steps:
Step 31, setting this call conversation process of assurance normally carries out, the prerequisite packet loss of IP bearer network, time delay, the isoparametric threshold values of shake, this threshold values both can be different and dynamically arrange different values behind call setup according to Media Stream that per call adopted, and unified value also can be set the all-calls of media gateway;
Step 32, this call conversation is set up, user 1 on the media gateway 1 and the user 2 on the media gateway 2 enter conversation, after entering conversation, media gateway 1, media gateway 2 are carried out real-time monitoring by rtcp protocol to the RTP Media Stream of this calling, add up the real-time packet loss of the Media Stream in the deuterzooid 5 seconds, shake and real-time time delay in real time per 5 seconds;
Step 33, media gateway compares the real-time packet loss of statistics, shake in real time and real-time time delay with corresponding threshold values, when real-time packet loss, shake in real time, in real time the time Yanzhong any one during greater than its corresponding threshold values, being judged as network breaks down, enter step 34, otherwise return step 32;
The IP packet carrying network that step 34, media gateway 1 are carried out between media gateway 1 and the media gateway 2 detects, and specifically comprises:
Step 341, media gateway 1 sends the order of active detecting bearer network to its network interface unit, and in order, comprised this call out in the IP address ip 1 of the used RTP1 Media Stream of media gateway 1 and this call out the IP address ip 2 of opposite end media gateway 2 corresponding RTP 2 Media Streams;
Step 342, after the network interface unit of media gateway 1 is received this order, initiatively send UDP continuously to the detection port PORTD of IP2 and detect bag, detection port PORTD receives when the UDP that sends to PORTD on the IP bearer network detects bag, detects source IP address in the bag, source PORT according to UDP and number this UDP detected bag and be transmitted back on the IP bearer network;
Can step 343, the network interface unit of media gateway 1 detect the transmitting time of bag according to the UDP of each transmission and receive this bag, receive that Time Calculation that this UDP detects bag goes out the packet loss that UDP detects bag, time delay, the UDP that UDP detects bag detects the parameters such as shake of wrapping once more;
Step 35, UDP detects the packet loss of bag, time delay, when any one is greater than the threshold values of correspondence in the shake, media gateway 1 reports the unusual alarm of IP bearer network to its network management system, and the user 1 of this conversation of record in warning information, this calls out the used local terminal IP1 of Media Stream, opposite end IP2, real-time packet loss, shake in real time, real-time time delay, UDP detects the packet loss of bag, UDP detects the time delay of bag, UDP detects the shake of bag, otherwise media gateway 1 reports the alarm of media gateway 1 unit exception to its network management system, the user 1 of same this conversation of record in warning information, this calls out the used local terminal IP1 of Media Stream, opposite end IP2, real-time packet loss, shake in real time, real-time time delay, UDP detects the packet loss of bag, UDP detects the time delay of bag, UDP detects the shake of bag;
Step 36, this conduction detection of calling out the IP packet carrying network finishes, whole end of calling after the wait user on-hook.
When the calling in the conversation occur unusual after, follow-up as long as the warning information of real time record is easy to just determine and calls out the failure cause that produces in according to network management system.
The conversation if the user whenever in the process of the detection of step 32 is through with, this end of calling then, whole conduction detection process also finishes immediately.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (9)
1, a kind of method for detecting calling continuity of IP packet carrying network, be used for when calling is broken down, carrying out the judgement of fault type, it is characterized in that, network interface unit in media gateway is provided with detection port, and by the described detection port of first media gateway continuously transmitting user data newspaper protocol detection bag to the opposite end media gateway, described first media gateway is obtained the described User Datagram Protoco (UDP) detection bag back calculating transmission parameter that described opposite end media gateway is returned, and detects the transmission parameter that wraps according to described User Datagram Protoco (UDP) and judge described fault type.
2, the method for detecting calling continuity of IP packet carrying network according to claim 1, it is characterized in that described first media gateway compares by transmission parameter that described User Datagram Protoco (UDP) is detected bag and the transmission parameter threshold values that sets in advance judges described fault type.
3, the method for detecting calling continuity of IP packet carrying network according to claim 1 is characterized in that, described media gateway compares to judge to call out whether break down by the transmission parameter of the Media Stream that will call out with the transmission parameter threshold values that sets in advance.
According to the method for detecting calling continuity of claim 1,2 or 3 described IP packet carrying networks, it is characterized in that 4, the transmission parameter that described User Datagram Protoco (UDP) detects bag and Media Stream comprises packet loss and/or shake and/or time delay.
5, the method for detecting calling continuity of IP packet carrying network according to claim 4 is characterized in that, the packet loss of described Media Stream, shake, the time Yanzhong any one during greater than its corresponding threshold values, described first media gateway is judged to call out and is broken down; Described User Datagram Protoco (UDP) detect bag packet loss, shake, the time Yanzhong any one during greater than its corresponding threshold values, the described first media gateway failure judgement type is that the IP bearer network is unusual, otherwise the failure judgement type is a media gateway abnormal.
6, the method for detecting calling continuity of IP packet carrying network according to claim 5 is characterized in that, specifically comprises the steps:
Step 31, the threshold values of setting packet loss, time delay, shake;
Step 32, call conversation are set up, enter conversation after, media gateway is monitored the real-time packet loss of Media Stream, shake and real-time time delay in real time in real time;
Step 33, media gateway compares real-time packet loss, shake in real time and real-time time delay with corresponding threshold values, when real-time packet loss, shake in real time, when real-time the Yanzhong any one during greater than the threshold values of correspondence, be judged as network and break down, enter step 34, otherwise return step 32;
Step 34, first media gateway is by the detection port active continuously transmitting user data newspaper protocol detection bag of network interface unit to the opposite end media gateway, the opposite end media gateway is received when User Datagram Protoco (UDP) detects bag, it is returned first media gateway, and calculate packet loss, time delay, the shake that User Datagram Protoco (UDP) detects bag by first media gateway;
When step 35, User Datagram Protoco (UDP) detected in the packet loss, time delay, shake of bag any one greater than the threshold values of correspondence, the described first media gateway failure judgement type was that the IP bearer network is unusual, otherwise the failure judgement type is a media gateway abnormal;
Step 36, this conduction detection of calling out the IP packet carrying network finishes, whole end of calling after the wait user on-hook.
7, the method for detecting calling continuity of IP packet carrying network according to claim 6, it is characterized in that, in the described step 35, after first media gateway is judged fault type, also report described fault type and call information to affiliated network management system, described call information comprise this conversation the user, this calls out Media Stream used local terminal IP, opposite end IP, packet loss, shake in real time in real time, time delay, User Datagram Protoco (UDP) detect the packet loss of bag, the time delay that User Datagram Protoco (UDP) detects bag, the shake that User Datagram Protoco (UDP) detects bag in real time.
8, the method for detecting calling continuity of IP packet carrying network according to claim 6, it is characterized in that, in the described step 31, the threshold values of packet loss, time delay, shake dynamically arranges behind call setup according to the Media Stream that per call adopted or the all-calls of media gateway is unified to be provided with.
9, the method for detecting calling continuity of IP packet carrying network according to claim 6, it is characterized in that, in the described step 34, the opposite end media gateway is returned first media gateway after changing with purpose IP/ port by the source IP/ port that will receive User Datagram Protoco (UDP) and detect bag.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005101307982A CN1992650B (en) | 2005-12-30 | 2005-12-30 | Method for detecting calling continuity of IP packet carrying network |
| PCT/CN2006/001462 WO2007076654A1 (en) | 2005-12-30 | 2006-06-26 | A method for detecting the call connection in a ip packet bearer network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005101307982A CN1992650B (en) | 2005-12-30 | 2005-12-30 | Method for detecting calling continuity of IP packet carrying network |
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| Publication Number | Publication Date |
|---|---|
| CN1992650A true CN1992650A (en) | 2007-07-04 |
| CN1992650B CN1992650B (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005101307982A Expired - Fee Related CN1992650B (en) | 2005-12-30 | 2005-12-30 | Method for detecting calling continuity of IP packet carrying network |
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| Country | Link |
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| CN (1) | CN1992650B (en) |
| WO (1) | WO2007076654A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009018744A1 (en) * | 2007-08-09 | 2009-02-12 | Huawei Technologies Co., Ltd. | Implementation method, system, media gateway and media gateway controller for route control |
| CN101179412B (en) * | 2007-12-13 | 2010-06-23 | 华为技术有限公司 | Multi-multicast carrying network access equipment, system and method |
| WO2012034415A1 (en) * | 2010-09-15 | 2012-03-22 | 中兴通讯股份有限公司 | Method, device and system for testing ip interface |
| CN102546263A (en) * | 2012-02-21 | 2012-07-04 | 德科仕通信(上海)有限公司 | Failure isolation method and system for video server and Internet protocol (IP) network in Internet protocol television (IPTV) network |
| CN101888654B (en) * | 2009-05-11 | 2013-08-07 | 中国移动通信集团甘肃有限公司 | Call quality test method, device and system |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818813B (en) * | 2019-03-28 | 2021-09-14 | 深圳市丰润达科技有限公司 | Maintenance method and device of intelligent gateway equipment and computer readable storage medium |
| CN114500235B (en) * | 2022-04-06 | 2022-07-26 | 深圳粤讯通信科技有限公司 | Communication equipment safety management system based on Internet of things |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000209205A (en) * | 1999-01-20 | 2000-07-28 | Fujitsu I-Network Systems Ltd | Instrument for measuring in-network delay time |
| JP3575435B2 (en) * | 2001-03-09 | 2004-10-13 | 日本電気株式会社 | Telephone system and telephone connection monitoring method |
| US20040160927A1 (en) * | 2003-02-19 | 2004-08-19 | Yang Zhongjin | Method to measure performance and quality of wireless packet data services for end users |
| EP1733506B1 (en) * | 2004-03-18 | 2012-08-15 | ADVA AG Optical Networking | Fault management in an ethernet based communication system |
-
2005
- 2005-12-30 CN CN2005101307982A patent/CN1992650B/en not_active Expired - Fee Related
-
2006
- 2006-06-26 WO PCT/CN2006/001462 patent/WO2007076654A1/en active Application Filing
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009018744A1 (en) * | 2007-08-09 | 2009-02-12 | Huawei Technologies Co., Ltd. | Implementation method, system, media gateway and media gateway controller for route control |
| CN101179412B (en) * | 2007-12-13 | 2010-06-23 | 华为技术有限公司 | Multi-multicast carrying network access equipment, system and method |
| CN101888654B (en) * | 2009-05-11 | 2013-08-07 | 中国移动通信集团甘肃有限公司 | Call quality test method, device and system |
| WO2012034415A1 (en) * | 2010-09-15 | 2012-03-22 | 中兴通讯股份有限公司 | Method, device and system for testing ip interface |
| CN102404163A (en) * | 2010-09-15 | 2012-04-04 | 中兴通讯股份有限公司 | Test method, device and system of IP interface |
| CN102546263A (en) * | 2012-02-21 | 2012-07-04 | 德科仕通信(上海)有限公司 | Failure isolation method and system for video server and Internet protocol (IP) network in Internet protocol television (IPTV) network |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1992650B (en) | 2011-05-11 |
| WO2007076654A1 (en) | 2007-07-12 |
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