WO2008003250A1 - Procédé, appareil et système de positionnement d'une panne dans un réseau de nouvelle génération - Google Patents

Procédé, appareil et système de positionnement d'une panne dans un réseau de nouvelle génération Download PDF

Info

Publication number
WO2008003250A1
WO2008003250A1 PCT/CN2007/070160 CN2007070160W WO2008003250A1 WO 2008003250 A1 WO2008003250 A1 WO 2008003250A1 CN 2007070160 W CN2007070160 W CN 2007070160W WO 2008003250 A1 WO2008003250 A1 WO 2008003250A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
call
media gateway
bearer resource
call loss
Prior art date
Application number
PCT/CN2007/070160
Other languages
English (en)
Chinese (zh)
Inventor
Dong Guo
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2008003250A1 publication Critical patent/WO2008003250A1/fr

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method, apparatus, and system for locating faults in a next generation network. Background technique
  • the telecommunications network is being used by the traditional circuit-switched public switched telephone network (Public)
  • NGN Next Generation Network
  • PSTN Switched Telephone Network
  • NGN Next Generation Network
  • the NGN carries all the services of the original PSTN, and simultaneously offloads a large amount of data transmission to the ATM/IP network to alleviate the heavy load of the PSTN, and adds many services with the new features of the ATM/IP technology. Therefore, NGN is a product of TDM-based PSTN voice network and ATM/IP-based packet network convergence, which makes it possible to integrate voice, video, data and other services on a new generation network.
  • the bearer In the NGN architecture, the bearer is separated from the control.
  • Soft Exchange controls the bearer resources on the media gateway to establish a traffic channel through a control protocol such as H.248.
  • the bearer resources on the media gateway include two types:
  • Termination the endpoint is a logical entity on the media gateway capable of transmitting and receiving one or more media. According to the physical form, it can be divided into TDM endpoints (corresponding to a TDM time slot), ATM endpoints (corresponding to an ATM virtual channel), and IP endpoints (corresponding to a ' ⁇ address + UDP port number, combination). Endpoint operations on the gateway are performed in a context (Context, C) environment. An endpoint belongs to and can belong to only one context at any time. A context can have several endpoints at any time.
  • Media resources including encoder (Trans-Code, TC), echo canceler (Echo Cancel, EC) and so on.
  • the media gateway When establishing a traffic channel, the media gateway establishes a TDM endpoint and an IP or ATM endpoint under the control of the SX, and the TC resource is automatically added by the media gateway to the endpoint for completing the PCM code stream to the packet voice packet.
  • the codec conversion between the two if you need to suppress the echo, then add EC resources under the control of SX.
  • the figure is a media gateway that allocates a bearer resource to create an endpoint T1 under the control of the SX.
  • Step 1 The SX sends a message to the media gateway, requesting the media gateway to create a context C1, and adding the endpoint T1;
  • Step 2 After receiving the message, the media gateway creates a context C1, adds an endpoint T1 to C1, and returns a response message to the SX.
  • Step 3 The SX sends a message to the media gateway to add the endpoint T2 in C1.
  • Step 4 After receiving the SX message, the media gateway adds T2 to C1 and returns a response message to SX.
  • Step 5 The SX sends a message for deleting the T2 from the C1 to the media gateway.
  • Step 6 After receiving the message, the media gateway deletes T2 from C1.
  • the media gateway In the call processing process, once there is a service failure problem such as call setup failure and poor voice quality during the call process, the media gateway must provide some means to locate the cause of such service failure.
  • a one-time or periodic offline test task is manually created on the media gateway.
  • the process of offline detection of the gateway is as follows:
  • Step 10 Specify a bearer resource of the media gateway, and establish a call connection with the bearer resource.
  • Step 11 insert, loop, and compare the simulated data.
  • Step 12 According to the comparison result, it is judged whether the bearer resource cooperation of the voice channel is reasonable.
  • the bearer resources of the offline test cannot be reasonably specified because the bearer resources of the media gateway are not properly specified.
  • all bearer resources in the media gateway can be specified for offline testing. This offline test takes a long time and affects the normal operation of the media gateway;
  • the prior art also provides a method for locating service faults by using call tracking. Specifically, the process of one call tracking is as follows:
  • Step sl The user sends a command to track the call to the media gateway.
  • Step s2 After the media gateway obtains the command, wait for the call to be tracked to go online. Step s3. After the call to be tracked goes online, the media gateway outputs all relevant information in the call processing process.
  • the embodiment of the invention provides a method, a device and a system for locating a fault in a next-generation network, and proposes a service fault in the process of quickly and accurately positioning the call processing without affecting the normal service of the media gateway.
  • An embodiment of the present invention provides a method for fault location in a next generation network, including: the media gateway records and saves abnormal information in the call processing process as call loss log information;
  • the media gateway locates the service fault in the call processing process according to the call loss log information.
  • the embodiment of the invention provides a next generation network system, including:
  • Softswitch used to control the establishment, monitoring and removal of call connections
  • a media gateway configured to allocate a bearer resource according to a control of a softswitch to establish a traffic channel
  • a packet network configured to uniformly carry information according to the packet
  • the media gateway includes: a call loss log recording unit, configured to record abnormal information in the call processing process as the call loss log information;
  • a positioning unit configured to locate a service fault in the call processing process according to the call loss log information.
  • the embodiment of the invention further provides a fault locating device, comprising:
  • a call loss log recording unit configured to record abnormal information during call processing as call loss log information and save;
  • a positioning unit configured to locate a service fault in the call processing process according to the call loss log information.
  • the abnormality information of the call processing process in the NGN is recorded as the call loss log information, and when a service fault occurs, the cause of the service fault is located according to the recorded call loss log information. Since the call loss processing information is recorded during the call processing, the service fault in the positioning call processing can be quickly and accurately tracked without affecting the normal service.
  • FIG. 1 is a schematic diagram of a process for a media gateway to allocate bearer resources C, T under SX control;
  • FIG. 2 is a specific flowchart of a service fault location method in an NGN according to a first embodiment of the present invention;
  • FIG. 3 is a second embodiment of the present invention.
  • FIG. 4 is a structural diagram of a structure of an NGN system according to a first embodiment of the present invention;
  • FIG. 5 is a structural diagram of a media gateway in a second embodiment of the present invention. detailed description
  • the media gateway cannot know the correspondence between the bearer resource and the user service identifier (such as the user's phone number) on the SX.
  • the user service identifier such as the user's phone number
  • the call loss log information of the related bearer resource cannot be extracted. Therefore, the correspondence between the user service identifier on the SX and the bearer resource on the media gateway must be set, so that the user can quickly respond to the service failure. Obtain corresponding call loss log information according to the user service identifier.
  • the media gateway caches the information of each call processing flow, including the information of the SX through the H.248 message for resource operation and the information record of the corresponding message on the gateway.
  • the content of the first message sent by the media gateway corresponding to the SX, Add.req($, Tl) needs to be cached: 1) The media gateway receives the SX. Add.req ($, Tl) message specific content;
  • the relevant information is continuously cached until all endpoints in C1 are Delete, and then the CI is also recycled by the media gateway, so that the information in a complete call processing will be completely cached.
  • call handling exceptions can include the following:
  • the media gateway responds to the H.248 message sent by the SX or the common in-band negotiation signaling response. In this case, you need to record the reason for the rejection in detail, including: receiving an unrecognized message, the media gateway does not support the function requested by the message, the media gateway resource is abnormal, and the specified operation cannot be completed;
  • the call processing time is too long or short
  • the quality of the IP bearer network is poor.
  • the quality of each voice channel on the IP bearer network can be obtained through the Real-time Transport Control Protocol (RTCP).
  • RTCP Real-time Transport Control Protocol
  • FIG. 2 is a specific flowchart of a first embodiment of a method for locating a service fault in a next-generation network according to the present invention
  • the specific implementation process of the method is as follows:
  • Step 100 The SX records a correspondence between the user service identifier and the bearer resource on the media gateway, where the bearer resource includes an endpoint and a context.
  • Step 101 The media gateway caches information about each call processing flow.
  • Step 102 After the call processing ends, the media gateway determines whether the call processing is abnormal, and records the information cached during the call as the call loss log information when the judgment result is yes.
  • Step 103 When the user complains, the SX carries the resource according to the user service identifier and the media gateway.
  • the corresponding relationship between the source and the time when the service fault occurs acquires the corresponding Termination and Context information, and the media gateway obtains the corresponding call loss log information according to the Termination and Context information.
  • Step 104 Analyze and locate the cause of the service fault according to the call loss log information obtained on the media gateway.
  • this figure is a specific flow chart of a second embodiment of a method for locating a service failure in an NGN according to the present invention.
  • the specific implementation process of the method is as follows:
  • Step 200 The SX sends a user service identifier to the media gateway.
  • the media gateway creates the endpoint and the context
  • the SV sets the correspondence between the user service identifier and the endpoint and the context.
  • Step 201 The media gateway caches information of each call processing flow.
  • Step 202 After the call processing ends, the media gateway determines whether the call processing is abnormal, and if the result is yes, the information cached during the call is recorded as the call loss log information.
  • Step 203 When the user complains, the media gateway acquires the corresponding Termination and Context information according to the correspondence between the user service identifier and the bearer resource on the media gateway and the time when the service fault occurs, and obtains corresponding information according to the Termination and Context information. Call loss log information.
  • Step 204 Analyze and locate the cause of the service fault according to the call loss log information obtained on the media gateway.
  • FIG. 4 there is shown a block diagram of the first embodiment of the NGN system of the present invention.
  • the NGN system includes SX 1 , and the SX 1 stores user service identification information, and the main functions thereof are used to control establishment, monitoring, and teardown of the call connection, and set the user service identifier and the media gateway.
  • the corresponding bearer resource is searched according to the user service identifier, and the bearer resource is sent to the media gateway.
  • the SX 1 mainly includes: a first setting unit 11 and a search processing unit 12, wherein
  • the first setting unit 11 is configured to set a correspondence between the user service identifier and the bearer resource in the media gateway.
  • the search processing unit 12 is configured to search for corresponding bearer resource information according to the service identifier, and send the bearer resource information to the media gateway.
  • the NGN system of the present invention further includes a media gateway 2, and the media gateway 2 is connected to the SX 1 and the packet network 3, respectively.
  • the main function is to allocate a bearer resource according to the control of the SX 1 to establish a traffic channel, and the call is made.
  • the abnormality information in the process is recorded as the call loss log information, and the service fault in the call processing process is located according to the call loss log information.
  • the media gateway 2 in this embodiment mainly includes: a call loss log recording unit.
  • the call loss log recording unit 211 is configured to record the abnormality information in the call processing process as the call loss log information.
  • the call loss log recording unit may specifically include: the call loss information buffer unit 2111, The information of each call processing is cached.
  • the call loss log processing unit 2112 is configured to extract cache information in the call information buffer unit when an abnormality occurs in the call processing process, and record the cache information as call loss information.
  • the call loss log obtaining unit 212 is configured to receive the bearer resource information sent by the search processing unit, and further obtain call loss log information including the bearer resource information.
  • the locating unit 213 is configured to locate a service fault in the call processing process according to the call loss log information.
  • the NGN system provided in this embodiment further includes a packet network 3, which is the same as the prior art, and the packet network 3 is used to uniformly carry information according to the packet.
  • the NGN system provided in this embodiment mainly includes an SX 1, a media gateway 2, and a packet network 3, as in the first embodiment of the NGN system of the present invention.
  • the SX 1 is the same as the prior art, and stores user service identification information, which can be used to control establishment, monitoring, and teardown of a call connection.
  • the NGN system provided in this embodiment further includes a packet network 3, which is the same as the prior art, and the packet network 3 is used to uniformly carry information according to the packet.
  • the embodiment also includes a media gateway 2, and the media gateway 2 is connected to the SX 1 and the packet network 3, and the main function is to allocate a bearer resource according to the control of the SX 1 to establish a traffic channel, and set a user service.
  • the identifier is associated with the bearer resource in the media gateway, and the abnormal information in the call processing process is recorded as the call loss log information, and the service fault in the call processing process is located according to the call loss log information.
  • the media gateway 2 in this embodiment mainly includes: a second setting unit 221, a call loss log recording unit 222, a call loss log obtaining unit 223, and a positioning unit 224, wherein
  • the second setting unit 221 is configured to receive a user service identifier sent by the SX, and set a correspondence between the user service identifier and the bearer resource in the media gateway.
  • the call loss log recording unit 222 is mainly configured to record the abnormality information in the call processing process as the call loss log information.
  • the call loss log recording unit may specifically include: the call loss information buffer unit 2221, The information of each call processing process is cached.
  • the call loss log processing unit 2222 is configured to extract cache information in the call loss information buffer unit when an abnormality occurs in the call processing process, and record the cache information as call information.
  • the call loss log obtaining unit 223 is configured to obtain corresponding bearer resource information according to the correspondence between the user service identifier and the bearer resource, and further obtain call loss log information including the bearer resource information.
  • the locating unit 224 is configured to locate a service fault in the call processing process according to the call loss log information obtained by the call loss log obtaining unit.
  • the abnormal information of the call processing process in the NGN is recorded as the call loss log information, and when a service fault occurs, the service fault is generated according to the recorded call loss log information. s reason. Since the call loss processing information is recorded during the call processing, the service fault in the positioning call processing can be quickly and accurately tracked without affecting the normal service.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)

Abstract

L'invention concerne un procédé de positionnement d'une panne dans un réseau de nouvelle génération qui consiste à enregistrer une information anormale dans un processus de traitement d'appels et à la sauvegarder; à déterminer une panne dans le processus de traitement d'appels selon l'information anormale. Un appareil de positionnement de panne dans un réseau de nouvelle génération comporte une unité de registre de journal contenant les appels perdus (211, 222) destinée à enregistrer une information anormale dans un processus de traitement d'appels comme information de journal contenant des pertes d'appels et à la sauvegarder; une unité de positionnement (213, 224) permettant de positionner une panne de services dans un processus de traitement d'appels selon l'information contenue dans le journal d'appels perdus.
PCT/CN2007/070160 2006-06-30 2007-06-22 Procédé, appareil et système de positionnement d'une panne dans un réseau de nouvelle génération WO2008003250A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN 200610036280 CN100514920C (zh) 2006-06-30 2006-06-30 下一代网络系统及下一代网络中业务质量故障定位方法
CN200610036280.7 2006-06-30

Publications (1)

Publication Number Publication Date
WO2008003250A1 true WO2008003250A1 (fr) 2008-01-10

Family

ID=38795839

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2007/070160 WO2008003250A1 (fr) 2006-06-30 2007-06-22 Procédé, appareil et système de positionnement d'une panne dans un réseau de nouvelle génération

Country Status (2)

Country Link
CN (1) CN100514920C (fr)
WO (1) WO2008003250A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103188705A (zh) * 2011-12-29 2013-07-03 中国移动通信集团广东有限公司 一种对批量投诉进行告警定位的方法和告警定位装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104219070B (zh) * 2013-05-31 2017-11-17 华为技术有限公司 网络故障监测的方法和网络故障监测系统
CN103457794B (zh) * 2013-08-22 2017-02-22 华为技术有限公司 确定ip承载网故障的方法和系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030067881A1 (en) * 2000-03-31 2003-04-10 Nicholas Lunt Fault location on a telecommunications network
US20030188228A1 (en) * 2002-03-29 2003-10-02 Davis Nigel R. Error detection in communication systems
CN1606260A (zh) * 2004-05-14 2005-04-13 中国联合通信有限公司 一种用于通信网络中的故障定位方法及装置
CN1784069A (zh) * 2004-12-02 2006-06-07 Ut斯达康通讯有限公司 下一代网络中实现mgc与mg一体化呼叫跟踪的系统和方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030067881A1 (en) * 2000-03-31 2003-04-10 Nicholas Lunt Fault location on a telecommunications network
US20030188228A1 (en) * 2002-03-29 2003-10-02 Davis Nigel R. Error detection in communication systems
CN1606260A (zh) * 2004-05-14 2005-04-13 中国联合通信有限公司 一种用于通信网络中的故障定位方法及装置
CN1784069A (zh) * 2004-12-02 2006-06-07 Ut斯达康通讯有限公司 下一代网络中实现mgc与mg一体化呼叫跟踪的系统和方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103188705A (zh) * 2011-12-29 2013-07-03 中国移动通信集团广东有限公司 一种对批量投诉进行告警定位的方法和告警定位装置

Also Published As

Publication number Publication date
CN100514920C (zh) 2009-07-15
CN101056214A (zh) 2007-10-17

Similar Documents

Publication Publication Date Title
US7535993B2 (en) Call control component employment of one or more criteria for internet protocol call selection for eavesdrop component monitoring
WO2006128365A1 (fr) Procede pour obtenir les informations de qualite de service de la session
US7200213B2 (en) Systems and methods for an operator system service
WO2009127155A1 (fr) Procédé pour réaliser un commutateur urbain, dispositif et système associés
US20170163809A1 (en) Method and Device for Recording Multimedia Data
EP1883256A1 (fr) Procédé, système d'enregistrement de données vocales au cours d'une conversation en semi-duplex
US20160277451A1 (en) Small-capacity ims core system
WO2006015539A1 (fr) Procede d'appel du processus de suivi complet pour passerelle de support ngn
WO2008003250A1 (fr) Procédé, appareil et système de positionnement d'une panne dans un réseau de nouvelle génération
WO2014173224A1 (fr) Procédé, appareil et système d'association de sessions
US7633932B2 (en) Accelerated removal from service of a signal processor at a media gateway
JP2006148418A (ja) サーバおよび通信制御方法
US11070665B2 (en) Voice over internet protocol processing method and related network device
CN1838663B (zh) 在IP网络中检测VoIP应用的实现方法
US7355988B1 (en) Application server having asynchronous event manager configured for terminating messaging operations and rolling back prescribed data structures
CN108234498B (zh) 一种通信呼叫溯源方法与系统
CN110099025B (zh) 一种基于视联网的通话方法和装置
CN107483518B (zh) 一种媒体服务器及媒体服务方法
WO2015117486A1 (fr) Procédé et système de capture automatique de paquets
US20060262775A1 (en) Method for controlling highly accessible user access networks via a packet-based network service point
WO2012083717A1 (fr) Procédé et appareil de suivi de plan multimédia d'utilisateur
WO2010075688A1 (fr) Procédé, appareil et système pour créer et rejoindre une conférence de groupe de sous-systèmes multimédia ip (ims)
CN101917523A (zh) 一种实现语音信令跟踪的方法及装置
JP5050908B2 (ja) メディアゲートウェイ装置及びそれに用いるイベント送信方法
WO2007059672A1 (fr) Systeme et procede de collecte d'information pour systeme de telecommunications

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07721777

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

NENP Non-entry into the national phase

Ref country code: RU

122 Ep: pct application non-entry in european phase

Ref document number: 07721777

Country of ref document: EP

Kind code of ref document: A1