WO2018141186A1 - 一种volte网络性能测试方法及装置 - Google Patents

一种volte网络性能测试方法及装置 Download PDF

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WO2018141186A1
WO2018141186A1 PCT/CN2017/119017 CN2017119017W WO2018141186A1 WO 2018141186 A1 WO2018141186 A1 WO 2018141186A1 CN 2017119017 W CN2017119017 W CN 2017119017W WO 2018141186 A1 WO2018141186 A1 WO 2018141186A1
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media
processing module
signaling
call service
sending
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English (en)
French (fr)
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吴真
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中兴通讯股份有限公司
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/18—Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
    • H04M7/0081—Network operation, administration, maintenance, or provisioning
    • H04M7/0084—Network monitoring; Error detection; Error recovery; Network testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support
    • H04W8/265—Network addressing or numbering for mobility support for initial activation of new user

Definitions

  • This document refers to, but is not limited to, the core network field, especially a VOLTE network performance testing method and apparatus.
  • VOLTE Voice over LTE (Long Term Evolution). It is an IP (Internet Protocol) data transmission technology. It does not require a 2G/3G network. All services are carried on a 4G network. The voice service is unified under the same network.
  • the VOLTE system needs to perform performance test before going online.
  • the detection system has the capability of claiming.
  • the LTE network performance test generally has the following three technical means: 1. Using real terminal test, advantages: complete Match the real application scenario; Disadvantages: The terminal has a large demand, poor operability, high cost and low efficiency. 2, commercial hardware instrumentation, advantages: powerful, easy to operate, the conclusion of credibility is high, authoritative; disadvantages: high cost, the customization of the test process is more difficult, there are certain thresholds for use. 3, simulation tools, advantages: low cost, flexible customization of test scenarios, simple operation, strong scalability; disadvantages: lack of certification, poor authority, insufficient performance.
  • the embodiment of the invention provides a VOLTE network performance testing method and device, so as to implement an efficient and low-cost test of the performance of the VOLTE network.
  • an embodiment of the present invention provides a VOLTE network performance testing method, including:
  • the signaling processing module is physically separated from the media processing module.
  • the constructing the signaling interaction script according to the test scenario includes:
  • the S1 port signaling process and the mobility management entity are used to complete the VOLTE user registration, and the 4G core network (Evolved Packet Core, EPC) establishes a data channel that interacts with the IP Multimedia Subsystem (IMS).
  • EPC Evolved Packet Core
  • Pre-cast media messages and call hold durations for call services for each registered user Pre-cast media messages and call hold durations for call services for each registered user.
  • the signaling processing module initiates a call service through the data channel, and notifies the media processing module that:
  • the signaling processing module combines the behaviors of the terminal and the base station, and converts the message interaction on the wireless side into a local message scheduling;
  • the media processing module includes a media sending module and a media receiving module, and the media sending module and the media receiving module are physically separated.
  • the media processing module processes the media packet corresponding to the call service, and the completion of the call service test includes:
  • the media sending module loads the media message into the memory in a read-only manner, constructs a sending model, starts a sending packet timeout timer, starts the sending process to periodically send a media packet to the target address, and stops the media after the sending packet timeout timer expires. Sending of a message;
  • the media receiving module constructs a receiving model, starts a network packet capture timeout timer, and stops media packet capture after the network packet capture timeout timer expires.
  • an embodiment of the present invention provides a VOLTE network performance testing apparatus, including: a signaling processing module and a media processing module, where
  • the signaling processing module is configured to construct a signaling interaction script according to the test scenario, where the signaling interaction script includes a pre-established data channel and a pre-made media message; initiate a call service through the data channel, and notify the media processing Module
  • the media processing module is configured to process the media packet corresponding to the call service, and complete the call service test;
  • the signaling processing module is physically separated from the media processing module, and the test scenario is obtained by the measured network element system of the VOLTE core network.
  • the signaling processing module is configured to:
  • the S1 port signaling process and the mobility management entity are used to complete the VOLTE user registration, and the data channel of the IMS interaction with the IP multimedia subsystem is established through the 4G core network EPC;
  • Pre-cast media messages and call hold durations for call services for each registered user Pre-cast media messages and call hold durations for call services for each registered user.
  • the signaling processing module is configured to:
  • the media processing module includes a media sending module and a media receiving module, and the media sending module and the media receiving module are physically separated.
  • the media sending module is configured to: load the media message into the memory in a read-only manner, construct a sending model, enable a packet sending timeout timer, and start the sending process to periodically send a media packet to the target address, and send the packet timeout timing. Stop sending media packets after the timer expires;
  • the media receiving module is configured to: construct a receiving model, enable a network packet capture timeout timer, and stop media packet capture after the network packet capture timeout timer expires.
  • the embodiment of the invention further provides a computer readable storage medium storing computer executable instructions, which are implemented by the processor to implement the VOLTE network performance test method.
  • a VOLTE network performance test method and device which are provided by the embodiment of the present invention, the method includes: constructing a signaling interaction script according to a test scenario, where the signaling interaction script includes a pre-established data channel and a pre-made media message;
  • the processing module initiates a call service through the data channel, and notifies the media processing module;
  • the media processing module processes the media packet corresponding to the call service, and completes the call service test; wherein the signaling processing module and the The media processing module is physically separated.
  • the signaling processing module and the media processing module simulate the services of the multi-terminal user, so that the performance of the VOLTE network is tested efficiently and at low cost, and the scalability is high.
  • FIG. 1 is a flowchart of a VOLTE network performance testing method according to an embodiment of the present invention
  • FIG. 2 is a flow chart of the method of step S10 of FIG. 1;
  • FIG. 3 is a flow chart of the method of step S20 of Figure 1;
  • step S30 in FIG. 1 is a flow chart of the method of step S30 in FIG. 1;
  • FIG. 5 is a block diagram showing an exemplary structure of a VOLTE network performance testing apparatus according to an embodiment of the present invention.
  • this embodiment provides a VOLTE network performance testing method, including:
  • the signaling processing module initiates a call service through the data channel, and notifies the media processing module.
  • the media processing module processes the media packet corresponding to the call service, and completes the call service test.
  • the signaling processing module is physically separated from the media processing module.
  • the service of the multi-terminal user is simulated by the signaling processing module and the media processing module, so that the performance of the VOLTE network is tested efficiently and at low cost, and the scalability is high.
  • the signaling processing module and the media processing module are interconnected based on a client/server, that is, a C/S mode.
  • a client/server that is, a C/S mode.
  • the signaling processing module is a signaling processor built by using a high-performance blade server
  • the blade server is a single-board type server, which is in a standard height rack-mounted chassis. It can be a low-cost server platform that implements HAHD (High Availability High Density), and the CPU of the signaling processor built by the blade server is basically stable. High and low, can achieve the behavior simulation of 80,000 LTE terminals, and each media processing module can achieve 30,000 call voice message transmission, and can meet different levels of performance requirements through clustering, and cluster expansion theory There is no upper limit.
  • HAHD High Availability High Density
  • a signaling and media processing separation mode is adopted, and the signaling processing module and the media processing module are located on different physical devices, and the modules interact through coupling, and the mass media datagram is shielded by the bypass technology.
  • the impact of the text on the signaling processor enables the signaling processing module to handle the signaling messages with full force, optimize the performance of the solution, and improve the processing efficiency.
  • the step S10 includes:
  • a graphical configuration interface is set on the signaling interaction script to facilitate modification.
  • the binary format of the voice message or the video message of various rates involved in the test process is saved as a hard disk file, and the sequence of sending the message to be involved in the test process is implicitly constructed by constructing different file contents. Send percentage.
  • the S1 interface is a logical interface, which is an interface from the Enodeb to the Mobility Management Entity (MME), wherein the Enodeb refers to an evolved NodeB, that is, EnB, which is the name of the base station in the LTE network. From any EnB, there may be multiple S1-MME logical interfaces facing the EPC; wherein the VOLTE user registration includes registration on the EPC side and registration of the IMS, and a data channel that interacts with the IMS domain is established through the EPC, and then passes through the channel.
  • a voice call is initiated. When the call is successful and the media connection is established, the media processing module is notified to send the corresponding media message according to the result of the media negotiation. When the call ends, the related data resource is released, and a simulation of the user behavior (such as a call) is completed. The performance test of the entire VOLTE core network system is completed by superimposing a large number of user behaviors.
  • the test scenario is obtained by the measured network element system of the VOLTE core network, and the rate of initiating the channel establishment request is determined according to the Call Attempts Per Second (CAPS) set in the test scenario, for example, 100 times per second, and judge whether all data channels have been established according to the number of registered users, and all have been built before testing.
  • CAS Call Attempts Per Second
  • the step S20 includes:
  • the signaling processing module combines the behaviors of the terminal and the base station, and converts the message interaction on the wireless side into a local message scheduling; eliminates the overhead of the wireless side, and can simulate a large number of terminal users to test the entire performance of the VoLTE process;
  • a call service is initiated by using the data channel, and the call service is added to the timing scheduling queue to disconnect the call service from the data area, and the released data area is reused by the subsequent call process.
  • the release operation of joining the scheduled scheduling queue will be automatically invoked after the timer expires to complete the release operation of the corresponding call. In this way, a larger CAPS can be realized under the same hardware conditions, and the number of simultaneous VOLTE online users can be improved;
  • the media processing module includes a media sending module and a media receiving module, and the media sending module and the media receiving module are physically separated, and all media packets are disguised by using address spoofing technology to enable receiving.
  • the terminal is deeply convinced of the validity of the data packet it receives, and diverts the outgoing media packet to the receiving end designated by the device, thereby eliminating the overhead of receiving the network packet by the media sending device, and interacting the media packet in the duplex mode. Converted to "simple" mode, improve VoLTE voice user capacity and improve data service throughput.
  • the step S30 includes:
  • the media sending module loads the media message into the memory in a read-only manner, constructs a sending model, starts a sending packet timeout timer, and starts the sending process to periodically send the media packet to the target address, after the timeout timer expires. Stop sending media messages;
  • the media receiving module constructs a receiving model, starts a network packet capture timeout timer, and stops media packet capture after the network packet capture timeout timer expires.
  • the implementation process of the primary call service is repeated. After all the registered users set in the signaling interaction script have completed the call flow, the VOLTE network performance test is completed, and the test report is output.
  • the media processing module relies on the "fictitious address” technology, and uses network card multiplexing, so that data packets sent from different network cards appear to be from the same source address at the destination end, thus, multiple Gigabits After the NIC is multiplexed, it can send more than 1 Gbps of data, thus breaking the rate limit of the NIC itself.
  • a VOLTE network performance testing device includes: a signaling processing module 10 and a media processing module 20, where
  • the signaling processing module 10 is configured to construct a signaling interaction script according to the test scenario, where the signaling interaction script includes a pre-established data channel and a pre-made media message; initiate a call service through the data channel, and notify the media Processing module
  • the media processing module 20 is configured to process the media packet corresponding to the call service, and complete the call service test;
  • the signaling processing module 10 is physically separated from the media processing module 20, and the test scenario is obtained by the VOLTE core network measured network element system 30.
  • the media processing module 20 includes a media sending module 21 and a media receiving module 22, and the media sending module 21 and the media receiving module 22 are physically separated.
  • the services of the multi-terminal users are simulated by the signaling processing module 10 and the media processing module 20, so that the performance of the VOLTE network is tested efficiently and at low cost, and the scalability is high.
  • the signaling processing module 10 and the media processing module 20 are interconnected based on a client/server, that is, a C/S mode.
  • a client/server that is, a C/S mode.
  • the signaling processing module 10 is a signaling processor built by using a high-performance blade server, and the blade server is a single-board type server, which refers to a rack-mount chassis at a standard height.
  • a multi-card server unit can be inserted into the server. It is a low-cost server platform that implements High Availability High Density (HAHD).
  • the signaling processor built by the blade server can realize 80,000 LTE terminals. The behavior of the simulation, and each media processing module can achieve 30,000 call voice message transmission, and can meet different levels of performance requirements through clustering, and there is no upper limit in cluster expansion theory.
  • the signaling processing module 10 can be deployed on a common PC, and multiple sets of signaling processing modules 10 can be arranged.
  • a set of signaling processing modules 10 can simulate at least 80,000 terminal users, and the media sending module 21 deploys as much as possible.
  • the media receiving module 22 can perform trade-off according to actual conditions.
  • the signaling processing module 10 and the media sending module 21 have a one-to-many relationship, and one set of signaling processing modules 10 Several sets of media sending modules 21 can be controlled. Through the combination of the signaling processing module 10 and the media sending module 21, the behavior of a large number of end users can be simulated, and various complex mixed traffic models can be tested realistically to complete testing of the VOLTE core network of the system under test.
  • the signaling and media processing are separated, and the signaling processing module 10 and the media processing module 20 are located on different physical devices, and the modules interact through coupling, and the mass media is shielded by the bypass technology.
  • the impact of the data packet on the signaling processor enables the signaling processing module to handle the signaling message with full force, optimize the performance of the solution, and improve the processing efficiency.
  • the signaling processing module 10 is configured to:
  • the S1 port signaling process and the mobility management entity are used to complete the VOLTE user registration, and the data channel of the IMS interaction with the IP multimedia subsystem is established through the 4G core network EPC;
  • Pre-cast media messages and call hold durations for call services for each registered user Pre-cast media messages and call hold durations for call services for each registered user.
  • a graphical configuration interface is set on the signaling interaction script to facilitate modification.
  • the binary format of the voice message or the video message of various rates involved in the test process is saved as a hard disk file, and the sequence of sending the message to be involved in the test process is implicitly constructed by constructing different file contents. Send percentage.
  • the S1 port is a logical interface, which is an interface from the Enodeb to the mobility management entity MME, where the Enodeb refers to the evolved Node B, that is, the EnB, which is the name of the base station in the LTE network, from any one of the EnBs.
  • the VOLTE user registration includes registration on the EPC side and registration of the IMS, and a data channel that interacts with the IMS domain is established through the EPC, and then a voice call is initiated through the channel.
  • the media processing module is notified to send the corresponding media message according to the result of the media negotiation.
  • the related data resources are released, and a simulation of the user behavior (such as a call) is completed.
  • the performance test of the entire VOLTE core network system is completed by superimposing a large number of user behaviors.
  • the test scenario is obtained by the VOLTE core network tested network element system 30, and the rate of initiating the channel establishment request is determined according to the set number of calls per second (CAPS) set in the test scenario, for example, 100 times per second. And judge whether all data channels have been established according to the number of registered users, and all have been built before testing.
  • CAS calls per second
  • the signaling processing module 10 is configured to:
  • the media processing module 20 includes a media sending module 21 and a media receiving module 22, and the media sending module 21 and the media receiving module 22 are physically separated, and all media packets are advertised by using address spoofing technology.
  • the masquerading makes the receiving end convinced that the received data packet is valid, and diverts the outgoing media packet to the receiving end designated by the device, thereby eliminating the overhead of the media sending device receiving the network packet, and duplexing
  • the mode of the media packet interaction is transformed into a "simple" mode, which improves the VoLTE voice user capacity and improves the data service throughput.
  • the media sending module 21 is configured to: load the media message into the memory in a read-only manner, construct a sending model, enable a packet sending timeout timer, and start the sending process to periodically send the media to the target address.
  • the packet stops sending media packets after the timeout timer expires.
  • the media receiving module 22 is configured to: construct a receiving model, enable a network packet capture timeout timer, and stop media packet capture after the network packet capture timeout timer expires.
  • the implementation process of the primary call service is repeated. After all the registered users set in the signaling interaction script have completed the call flow, the VOLTE network performance test is completed, and the test report is output.
  • the media processing module 20 relies on the "fictitious address” technology, and uses network card multiplexing, so that data packets sent from different network cards appear to be from the same source address at the destination end, thus, multiple thousand After the NIC is multiplexed, it can send more than 1 Gbps of data, thus breaking the rate limit of the NIC itself.
  • the embodiment of the invention further provides a computer readable storage medium storing computer executable instructions, which are implemented by the processor to implement the VOLTE network performance test method.
  • the embodiments of the present invention may be embodied in the form of a software product stored in a storage medium (such as a ROM/RAM, a magnetic disk, an optical disk), including a plurality of instructions for causing a terminal.
  • the device (which may be a cell phone, computer, server, air conditioner, or network device, etc.) performs the methods described in various embodiments of the present invention.
  • the embodiment of the present invention simulates the service of the multi-terminal user through the signaling processing module and the media processing module, thereby completing the test of the performance of the VOLTE network with high efficiency and low cost, and has high scalability.

Abstract

一种VOLTE网络性能测试方法及装置，该方法包括：根据测试场景构建信令交互脚本，所述信令交互脚本包括预先建立的数据通道及预制的媒体报文；由信令处理模块通过所述数据通道发起呼叫业务，并通知媒体处理模块；通过媒体处理模块对所述呼叫业务对应的媒体报文进行处理，完成呼叫业务测试；其中，所述信令处理模块与所述媒体处理模块物理分离。

Description

一种VOLTE网络性能测试方法及装置 技术领域
本文涉及但不限于核心网领域，尤指一种VOLTE网络性能测试方法及装置。
背景技术
VOLTE即Voice over LTE(Long Term Evolution，长期演进)，它是一种IP(Internet Protocol，网际互连协议)数据传输技术，无需2G/3G网，全部业务承载于4G网络上，可实现数据与语音业务在同一网络下的统一，VOLTE系统在上线前需要进行性能测试，检测系统是否具备宣称的能力，LTE网络性能测试，一般有以下三种技术手段：1、使用真实终端测试，优点：完全匹配真实应用场景；缺点：终端需求量大，可操作性差，成本高，效率低。2、商业硬件仪表，优点：功能强大，操作方便，结论可信度高、有权威性；缺点：成本高，测试过程的定制比较困难,有一定的使用门槛。3、模拟工具，优点：成本低，可灵活定制测试场景，操作简单，扩展性强；缺点：缺乏认证，权威性差，性能不足。
发明概述
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本发明实施例提出一种VOLTE网络性能测试方法及装置，以实现高效、低成本地对VOLTE网络性能的测试。
一方面，本发明实施例提供了一种VOLTE网络性能测试方法，包括：
根据测试场景构建信令交互脚本，所述信令交互脚本包括预先建立的数据通道及预制的媒体报文；
由信令处理模块通过所述数据通道发起呼叫业务，并通知媒体处理模块；
通过媒体处理模块对所述呼叫业务对应的媒体报文进行处理，完成呼叫业务测试；
其中，所述信令处理模块与所述媒体处理模块物理分离。
在一实施方式中，所述根据测试场景构建信令交互脚本包括：
根据测试场景采用S1口信令流程和移动管理实体完成VOLTE用户注册，通过4G核心网络(Evolved Packet Core，EPC)建立和IP多媒体子系统(IP Multimedia Subsystem，IMS)交互的数据通道；
为每个注册用户预制用于呼叫业务的媒体报文和呼叫保持时长。
在一实施方式中，所述由信令处理模块通过所述数据通道发起呼叫业务，并通知媒体处理模块包括：
信令处理模块将终端和基站的行为合为一体，将无线侧的消息交互转化为本地消息调度；
通过所述数据通道发起一次呼叫业务，将所述呼叫业务加入定时调度队列中，切断所述一次呼叫业务与数据区的关联，被释放的数据区将被后续的呼叫流程复用；
将所述一次呼叫业务对应的媒体报文和呼叫保持时长发送至媒体处理模块。
在一实施方式中，所述媒体处理模块包括媒体发送模块和媒体接收模块，所述媒体发送模块和媒体接收模块物理分离。
在一实施方式中，所述通过媒体处理模块对所述呼叫业务对应的媒体报文进行处理，完成呼叫业务测试包括：
媒体发送模块将所述媒体报文以只读方式加载到内存中，构建发送模型，开启发包超时定时器，启动发包进程向目标地址周期性发送媒体报文，在发包超时定时器超时后停止媒体报文的发送；
媒体接收模块构建接收模型，开启网络抓包超时定时器，在网络抓包超时定时器超时后停止媒体报文捕获。
另一方面，本发明实施例提供了一种VOLTE网络性能测试装置，包 括：信令处理模块和媒体处理模块，其中，
所述信令处理模块，设置为根据测试场景构建信令交互脚本，所述信令交互脚本包括预先建立的数据通道及预制的媒体报文；通过所述数据通道发起呼叫业务，并通知媒体处理模块；
所述媒体处理模块，设置为对所述呼叫业务对应的媒体报文进行处理，完成呼叫业务测试；
其中，所述信令处理模块与所述媒体处理模块物理分离，所述测试场景由VOLTE核心网被测网元系统获取。
在一实施方式中，所述信令处理模块，设置为：
根据测试场景采用S1口信令流程和移动管理实体完成VOLTE用户注册，通过4G核心网络EPC建立和IP多媒体子系统IMS交互的数据通道；
为每个注册用户预制用于呼叫业务的媒体报文和呼叫保持时长。
在一实施方式中，所述信令处理模块，设置为：
将终端和基站的行为合为一体，将无线侧的消息交互转化为本地消息调度；
通过所述数据通道发起一次呼叫业务，将所述呼叫业务加入定时调度队列中，切断所述一次呼叫业务与数据区的关联，被释放的数据区将被后续的呼叫流程复用；
将所述一次呼叫业务对应的媒体报文和呼叫保持时长发送至媒体处理模块。
在一实施方式中，所述媒体处理模块包括媒体发送模块和媒体接收模块，所述媒体发送模块和媒体接收模块物理分离。
在一实施方式中，
所述媒体发送模块设置为：将所述媒体报文以只读方式加载到内存中，构建发送模型，开启发包超时定时器，启动发包进程向目标地址周期性发送媒体报文，在发包超时定时器超时后停止媒体报文的发送；
所述媒体接收模块设置为：构建接收模型，开启网络抓包超时定时 器，在网络抓包超时定时器超时后停止媒体报文捕获。
本发明实施例还提供了一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令被处理器执行时实现上述VOLTE网络性能测试方法。
本发明实施例提出的一种VOLTE网络性能测试方法及装置，该方法包括：根据测试场景构建信令交互脚本，所述信令交互脚本包括预先建立的数据通道及预制的媒体报文；由信令处理模块通过所述数据通道发起呼叫业务，并通知媒体处理模块；通过媒体处理模块对所述呼叫业务对应的媒体报文进行处理，完成呼叫业务测试；其中，所述信令处理模块与所述媒体处理模块物理分离，本发明实施例通过信令处理模块和媒体处理模块模拟多终端用户的业务，从而高效、低成本地完成对VOLTE网络性能的测试，且扩展性较高。
在阅读并理解了附图和详细描述后，可以明白其他方面。
附图概述
图1为本发明实施例提供的一种VOLTE网络性能测试方法流程图；
图2为图1中步骤S10的方法流程图；
图3为图1中步骤S20的方法流程图；
图4为图1中步骤S30的方法流程图；
图5为本发明实施例提供的一种VOLTE网络性能测试装置示范性结构框图。
详述
在后续的描述中，使用用于表示元件的诸如“模块”、“部件”或“单元”的后缀仅为了有利于本申请的说明，其本身并没有特定的意义。因此，"模块"与"部件"可以混合地使用。
如图1所示，本实施例提出一种VOLTE网络性能测试方法，包括：
S10、根据测试场景构建信令交互脚本，所述信令交互脚本包括预先建立的数据通道及预制的媒体报文；
S20、由信令处理模块通过所述数据通道发起呼叫业务，并通知媒体处理模块；
S30、通过媒体处理模块对所述呼叫业务对应的媒体报文进行处理，完成呼叫业务测试；
其中，所述信令处理模块与所述媒体处理模块物理分离。
在本实施例中，通过信令处理模块和媒体处理模块模拟多终端用户的业务，从而高效、低成本地完成对VOLTE网络性能的测试，且扩展性较高。
在本实施例中，信令处理模块和媒体处理模块之间基于客户端/服务器也即C/S模式实现互联，通过该方法，可以接近真实地测试各种复杂的混合话务模型，同时具有较灵活的控制能力，且工具价格低廉、使用方便，理论上可实现无限扩容，利用少量PC机即可模拟海量终端的行为，从而能低成本的完成VOLTE全网络的性能测试。
在本实施例中，所述信令处理模块为采用高性能的刀片服务器搭建的信令处理机，所述刀片服务器是一种单板型态的服务器，指在标准高度的机架式机箱内可插装多个卡式的服务器单元，是一种实现HAHD(High Availability High Density，高可用高密度)的低成本服务器平台，由刀片服务器搭建的信令处理机CPU状态基本稳定，不会时高时低，可实现8万个LTE终端的行为模拟，而每个媒体处理模块可实现3万路呼叫语音的报文发送，并且可以通过集群方式满足不同等级的性能要求，而集群扩展理论上没有上限。
在本实施例中，采用信令、媒体处理分离的模式，信令处理模块和媒体处理模块位于不同的物理设备上，模块之间通过偶联进行交互，并且通过旁路技术屏蔽海量媒体数据报文对信令处理机的影响，使得信令处理模块能够心无旁骛的全力处理信令消息，优化方案性能，提升处理效率。
如图2所示，在本实施例中，所述步骤S10包括：
S11、根据测试场景采用S1口信令流程和移动管理实体完成VOLTE用户注册，通过4G核心网络EPC建立和IP多媒体子系统IMS交互的数据通道；
S12、为每个注册用户预制用于呼叫业务的媒体报文和呼叫保持时长。
在本实施例中，所述信令交互脚本上设置有图形配置界面，以便于修改。
在本实施例中，将测试过程中涉及的各种速率的语音报文或视频报文二进制格式存为硬盘文件，通过构建不同的文件内容隐含实现测试过程中需要涉及的报文发送顺序和发送百分比。
在本实施例中，S1口是一个逻辑接口，是从Enodeb到移动管理实体(Mobility Management Entity，MME)的接口，其中Enodeb是指演进型NodeB，也即EnB，是LTE网络中的基站的名称，从任何一个EnB，可能有多个S1-MME逻辑接口面向EPC；其中，VOLTE用户注册包括EPC侧的注册以及IMS的注册，通过EPC建立起一条和IMS域交互的数据通道，然后通过该通道发起语音呼叫，当呼叫成功，媒体连接建立后，根据媒体协商的结果通知媒体处理模块进行相应媒体报文的发送，呼叫结束时，释放相关数据资源，完成一次用户行为(比如呼叫)的模拟。通过对众多用户行为的叠加进而完成对整个VOLTE核心网系统的性能测试。
在本实施例中，所述测试场景由VOLTE核心网被测网元系统获取，根据测试场景中设定的每秒建立呼叫数量(Call Attempts Per Second，CAPS)确定发起通道建立请求的速率，比如每秒100次，并根据注册用户的数量判断所有数据通道是否已经建立，均已建好后再进行测试。
如图3所示，在本实施例中，所述步骤S20包括：
S21、信令处理模块将终端和基站的行为合为一体，将无线侧的消息交互转化为本地消息调度；消除了无线侧的开销，可以模拟大量终端用户对VoLTE全流程性能测试；
S22、通过所述数据通道发起一次呼叫业务，将所述呼叫业务加入定时 调度队列中，切断所述一次呼叫业务与数据区的关联，被释放的数据区将被后续的呼叫流程复用；被加入定时调度队列的释放操作在定时器超时后将被自动调用，完成对应呼叫的释放操作。如此在同等硬件条件下可实现更大的CAPS，提高VOLTE同时在线用户数量；
S23、将所述一次呼叫业务对应的媒体报文和呼叫保持时长发送至媒体处理模块。
在本实施例中，所述媒体处理模块包括媒体发送模块和媒体接收模块，所述媒体发送模块和媒体接收模块物理分离，通过采用地址欺骗技术，给所有的媒体报文披上伪装，使得接收端深信它所收到数据包的有效性，并将对端外发的媒体报文引流到本设备指定的接收端，从而消除媒体发送设备接收网络包的开销，将双工模式的媒体包交互转化为“单工“模式，提高VoLTE语音用户容量，提高数据业务吞吐量。
如图4所示，在本实施例中，所述步骤S30包括：
S31、媒体发送模块将所述媒体报文以只读方式加载到内存中，构建发送模型，开启发包超时定时器，启动发包进程向目标地址周期性发送媒体报文，在发包超时定时器超时后停止媒体报文的发送；
S32、媒体接收模块构建接收模型，开启网络抓包超时定时器，在网络抓包超时定时器超时后停止媒体报文捕获。
上述实施例中是指的一次呼叫业务的实施过程，重复以上步骤，直到信令交互脚本中设定的所有注册用户都已完成呼叫流程，则表示VOLTE网络性能测试完成，输出测试报告。
在本实施例中，媒体处理模块依托“虚构地址”技术，采用网卡复用，使得从不同网卡上发出的数据包在目的端看来都是来自同一源地址，如此一来，多个千兆网卡复用后就能发出超过1Gbps的数据量，从而突破网卡自身的速率限制。
例如，从理论上计算，AMR 12.2K速率的音频包，每个报文长度为87字节，150WPPS的当量就是87*8*150*10000＝1.044G bps；AMR-WB 23.65kbps 20ms速率音频包，150WPPS的当量就是2.02G bps。
如图5所示，在本实施例中，一种VOLTE网络性能测试装置，包括：信令处理模块10和媒体处理模块20，其中，
所述信令处理模块10，设置为根据测试场景构建信令交互脚本，所述信令交互脚本包括预先建立的数据通道及预制的媒体报文；通过所述数据通道发起呼叫业务，并通知媒体处理模块；
所述媒体处理模块20，设置为对所述呼叫业务对应的媒体报文进行处理，完成呼叫业务测试；
其中，所述信令处理模块10与所述媒体处理模块20物理分离，所述测试场景由VOLTE核心网被测网元系统30获取。
在本实施例中，所述媒体处理模块20包括媒体发送模块21和媒体接收模块22，所述媒体发送模块21和媒体接收模块22物理分离。
在本实施例中，通过信令处理模块10和媒体处理模块20模拟多终端用户的业务，从而高效、低成本地完成对VOLTE网络性能的测试，且扩展性较高。
在本实施例中，信令处理模块10和媒体处理模块20之间基于客户端/服务器也即C/S模式实现互联，通过该方法，可以接近真实地测试各种复杂的混合话务模型，同时具有较灵活的控制能力，且工具价格低廉、使用方便，理论上可实现无限扩容，利用少量PC机即可模拟海量终端的行为，从而能低成本的完成VOLTE全网络的性能测试。
在本实施例中，所述信令处理模块10为采用高性能的刀片服务器搭建的信令处理机，所述刀片服务器是一种单板型态的服务器，指在标准高度的机架式机箱内可插装多个卡式的服务器单元，是一种实现HAHD(High Availability High Density，高可用高密度)的低成本服务器平台，由刀片服务器搭建的信令处理机可实现8万个LTE终端的行为模拟，而每个媒体处理模块可实现3万路呼叫语音的报文发送，并且可以通过集群方式满足不同等级的性能要求，而集群扩展理论上没有上限。
在本实施例中，信令处理模块10可以部署在普通PC上，且可以布置 多套信令处理模块10，一套信令处理模块10至少可以模拟8万终端用户，媒体发送模块21尽量部署在配备了多网卡且具有多核的物理机上，媒体接收模块22则可以根据实际情况进行取舍，信令处理模块10和媒体发送模块21之间是1对多的关系，一套信令处理模块10可以控制若干套媒体发送模块21。通过信令处理模块10和媒体发送模块21的组合，可以模拟众多终端用户的行为,接近真实地测试各种复杂的混合话务模型，来完成对被测系统VOLTE核心网的测试。
在本实施例中，采用信令、媒体处理分离的模式，信令处理模块10和媒体处理模块20位于不同的物理设备上，模块之间通过偶联进行交互，并且通过旁路技术屏蔽海量媒体数据报文对信令处理机的影响，使得信令处理模块能够心无旁骛的全力处理信令消息，优化方案性能，提升处理效率。
在本实施例中，所述信令处理模块10，设置为：
根据测试场景采用S1口信令流程和移动管理实体完成VOLTE用户注册，通过4G核心网络EPC建立和IP多媒体子系统IMS交互的数据通道；
为每个注册用户预制用于呼叫业务的媒体报文和呼叫保持时长。
在本实施例中，所述信令交互脚本上设置有图形配置界面，以便于修改。
在本实施例中，将测试过程中涉及的各种速率的语音报文或视频报文二进制格式存为硬盘文件，通过构建不同的文件内容隐含实现测试过程中需要涉及的报文发送顺序和发送百分比。
在本实施例中，S1口是一个逻辑接口，是从Enodeb到移动管理实体MME的接口，其中Enodeb是指演进型Node B，也即EnB，是LTE网络中的基站的名称，从任何一个EnB，可能有多个S1-MME逻辑接口面向EPC；其中，VOLTE用户注册包括EPC侧的注册以及IMS的注册，通过EPC建立起一条和IMS域交互的数据通道，然后通过该通道发起语音呼叫，当呼叫成功，媒体连接建立后，根据媒体协商的结果通知媒体处理模块进行相应媒体报文的发送，呼叫结束时，释放相关数据资源，完成一次 用户行为(比如呼叫)的模拟。通过对众多用户行为的叠加进而完成对整个VOLTE核心网系统的性能测试。
在本实施例中，所述测试场景由VOLTE核心网被测网元系统30获取，根据测试场景中设定的每秒建立呼叫数量(CAPS)确定发起通道建立请求的速率，比如每秒100次，并根据注册用户的数量判断所有数据通道是否已经建立，均已建好后再进行测试。
在本实施例中，所述信令处理模块10，设置为：
将终端和基站的行为合为一体，将无线侧的消息交互转化为本地消息调度，消除了无线侧的开销，可以模拟大量终端用户对VoLTE全流程性能测试；
通过所述数据通道发起一次呼叫业务，将所述呼叫业务加入定时调度队列中，切断所述一次呼叫业务与数据区的关联，被释放的数据区将被后续的呼叫流程复用；被加入定时调度队列的释放操作在定时器超时后将被自动调用，完成对应呼叫的释放操作。如此在同等硬件条件下可实现更大的CAPS，提高VOLTE同时在线用户数量；
将所述一次呼叫业务对应的媒体报文和呼叫保持时长发送至媒体处理模块。
在本实施例中，所述媒体处理模块20包括媒体发送模块21和媒体接收模块22，所述媒体发送模块21和媒体接收模块22物理分离，通过采用地址欺骗技术，给所有的媒体报文披上伪装，使得接收端深信它所收到数据包的有效性，并将对端外发的媒体报文引流到本设备指定的接收端，从而消除媒体发送设备接收网络包的开销，将双工模式的媒体包交互转化为“单工“模式，提高VoLTE语音用户容量，提高数据业务吞吐量。
在本实施例中，所述媒体发送模块21设置为：将所述媒体报文以只读方式加载到内存中，构建发送模型，开启发包超时定时器，启动发包进程向目标地址周期性发送媒体报文，在发包超时定时器超时后停止媒体报文的发送；
所述媒体接收模块22设置为：构建接收模型，开启网络抓包超时定时 器，在网络抓包超时定时器超时后停止媒体报文捕获。
上述实施例中是指的一次呼叫业务的实施过程，重复以上步骤，直到信令交互脚本中设定的所有注册用户都已完成呼叫流程，则表示VOLTE网络性能测试完成，输出测试报告。
在本实施例中，媒体处理模块20依托“虚构地址”技术，采用网卡复用，使得从不同网卡上发出的数据包在目的端看来都是来自同一源地址，如此一来，多个千兆网卡复用后就能发出超过1Gbps的数据量，从而突破网卡自身的速率限制。
例如，从理论上计算，AMR 12.2K速率的音频包，每个报文长度为87字节，150WPPS的当量就是87*8*150*10000＝1.044G bps；AMR-WB 23.65kbps 20ms速率音频包，150WPPS的当量就是2.02G bps。
本发明实施例还提供了一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令被处理器执行时实现上述VOLTE网络性能测试方法。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
上述本发明实施例序号仅仅为了描述，不代表实施例的优劣。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本发明实施例的可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端设备(可以是手机，计算机，服务器，空调器，或者网络设备等)执 行本发明各个实施例所述的方法。
以上仅为本发明的实施例，并非因此限制本申请的专利范围，凡是利用本申请说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本申请的专利保护范围内。
工业实用性
本发明实施例通过信令处理模块和媒体处理模块模拟多终端用户的业务，从而高效、低成本地完成对VOLTE网络性能的测试，且扩展性较高。

Claims (11)

  1. 一种VOLTE网络性能测试方法，包括：
    根据测试场景构建信令交互脚本，所述信令交互脚本包括预先建立的数据通道及预制的媒体报文；
    由信令处理模块通过所述数据通道发起呼叫业务，并通知媒体处理模块；
    通过媒体处理模块对所述呼叫业务对应的媒体报文进行处理，完成呼叫业务测试；
    其中，所述信令处理模块与所述媒体处理模块物理分离。
  2. 根据权利要求1所述的一种VOLTE网络性能测试方法，其中，所述根据测试场景构建信令交互脚本包括：
    根据测试场景采用S1口信令流程和移动管理实体完成VOLTE用户注册，通过4G核心网络EPC建立和IP多媒体子系统IMS交互的数据通道；
    为每个注册用户预制用于呼叫业务的媒体报文和呼叫保持时长。
  3. 根据权利要求2所述的一种VOLTE网络性能测试方法，其中，所述由信令处理模块通过所述数据通道发起呼叫业务，并通知媒体处理模块包括：
    信令处理模块将终端和基站的行为合为一体，将无线侧的消息交互转化为本地消息调度；
    通过所述数据通道发起一次呼叫业务，将所述呼叫业务加入定时调度队列中，切断所述一次呼叫业务与数据区的关联，被释放的数据区将被后续的呼叫流程复用；
    将所述一次呼叫业务对应的媒体报文和呼叫保持时长发送至媒体处理模块。
  4. 根据权利要求3所述的一种VOLTE网络性能测试方法，其中，所述媒体处理模块包括媒体发送模块和媒体接收模块，所述媒体发送模块和媒体接收模块物理分离。
  5. 根据权利要求4所述的一种VOLTE网络性能测试方法，其中，所述通过媒体处理模块对所述呼叫业务对应的媒体报文进行处理，完成呼叫业务测试包括：
    媒体发送模块将所述媒体报文以只读方式加载到内存中，构建发送模型，开启发包超时定时器，启动发包进程向目标地址周期性发送媒体报文，在发包超时定时器超时后停止媒体报文的发送；
    媒体接收模块构建接收模型，开启网络抓包超时定时器，在网络抓包超时定时器超时后停止媒体报文捕获。
  6. 一种VOLTE网络性能测试装置，包括：信令处理模块和媒体处理模块，其中，
    所述信令处理模块，设置为根据测试场景构建信令交互脚本，所述信令交互脚本包括预先建立的数据通道及预制的媒体报文；通过所述数据通道发起呼叫业务，并通知媒体处理模块；
    所述媒体处理模块，设置为对所述呼叫业务对应的媒体报文进行处理，完成呼叫业务测试；
    其中，所述信令处理模块与所述媒体处理模块物理分离，所述测试场景由VOLTE核心网被测网元系统获取。
  7. 根据权利要求6所述的一种VOLTE网络性能测试装置，其中，所述信令处理模块，设置为：
    根据测试场景采用S1口信令流程和移动管理实体完成VOLTE用户注册，通过4G核心网络EPC建立和IP多媒体子系统IMS交互的数据通道；
    为每个注册用户预制用于呼叫业务的媒体报文和呼叫保持时长。
  8. 根据权利要求7所述的一种VOLTE网络性能测试装置，其中，所述信令处理模块，设置为：
    将终端和基站的行为合为一体，将无线侧的消息交互转化为本地消息调度；
    通过所述数据通道发起一次呼叫业务，将所述呼叫业务加入定时调度队列中，切断所述一次呼叫业务与数据区的关联，被释放的数据区将被后续的 呼叫流程复用；
    将所述一次呼叫业务对应的媒体报文和呼叫保持时长发送至媒体处理模块。
  9. 根据权利要求8所述的一种VOLTE网络性能测试装置，其中，所述媒体处理模块包括媒体发送模块和媒体接收模块，所述媒体发送模块和媒体接收模块物理分离。
  10. 根据权利要求9所述的一种VOLTE网络性能测试装置，其中，
    所述媒体发送模块设置为：将所述媒体报文以只读方式加载到内存中，构建发送模型，开启发包超时定时器，启动发包进程向目标地址周期性发送媒体报文，在发包超时定时器超时后停止媒体报文的发送；
    所述媒体接收模块设置为：构建接收模型，开启网络抓包超时定时器，在网络抓包超时定时器超时后停止媒体报文捕获。
  11. 一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行权利要求1-5任一项的VOLTE网络性能测试方法。
PCT/CN2017/119017 2017-02-04 2017-12-27 一种volte网络性能测试方法及装置 WO2018141186A1 (zh)

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