CN100593922C - Switching technique of next generation of network, and experimental apparatus for communication security - Google Patents
Switching technique of next generation of network, and experimental apparatus for communication security Download PDFInfo
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- CN100593922C CN100593922C CN200710052800A CN200710052800A CN100593922C CN 100593922 C CN100593922 C CN 100593922C CN 200710052800 A CN200710052800 A CN 200710052800A CN 200710052800 A CN200710052800 A CN 200710052800A CN 100593922 C CN100593922 C CN 100593922C
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Abstract
This device consists of (1) a central processing module (CP), which is used to send various experiment instructions, (2) a signaling monitoring module, which is connected to CP and is used to monitorand analyze the protocol signaling message and the system info, (3) a state monitoring module, which is connected to CP and is used to monitor and analyze states during all conversation process, and (4) a system basic configuration module (SBC), which is connected to CP. According to the mentioned instructions and combining the net simulation device, SBC configures all experiments of the experiment device of the next generation net switching technique and the comm. safety (NGNS/ CS). Through this experimental device, the analog of the real environment of NGNS/CS can be realized. This device possesses the ability of mutual comm. with the real comm. equipment.
Description
Technical field
The present invention relates to a kind of experimental provision, relate in particular to a kind of device that is used to carry out next generation network exchange test and communication security experiment.
Background technology
In present educational aid, relatively lack the experimental tool be used to simulate aspect switching technique of next generation of network and the communication security.Therefore, in this case, the student only only limits to theoretical aspect for the understanding of next generation network and soft switch, can not obtain more deep understanding from putting into practice the aspect.And to the very high and layoutprocedure complexity of dependence of experiment hardware unit, student's comparison difficulty that operates especially in the communication teaching field, does not often have real environment to allow the student operate in existing teaching experimental tool.
Summary of the invention
The objective of the invention is in order to solve problems of the prior art, the invention provides a kind of experimental rig, the various modules that provide by this experimental provision realize the experiment of multiple next generation network and soft switch, make the student can understand the knowwhy of next generation network and soft switch at an easy rate by this experimental provision and further understand from putting into practice the aspect.
To achieve these goals, the invention provides a kind of experimental provision.This experimental provision comprises:
Central processing module is used to send various experimental implementation indications;
The signaling monitor module is connected with described central processing module, is used for protocol signaling message and system information are monitored and analyze;
Monitoring module is connected with described central processing module, is used for whole communication process is carried out the monitoring and the analysis of state;
System's basic configuration module is connected with described central processing module, is used for according to described experimental implementation indication and in conjunction with network simulation equipment each experiment in switching technique of next generation of network and the experimental apparatus for communication security being configured.
Experimental provision also comprises: authentication module, be connected with the signaling monitor module with described system basic configuration module, central processing module, and be used for carrying out user's login, authentication registration according to described experimental implementation indication and in conjunction with network simulation equipment.
Experimental provision also comprises: the module of conversing substantially, be connected with monitoring module with described system basic configuration module, central processing module, authentication module, signaling monitor module, be used for according to described experimental implementation indication and in conjunction with network simulation equipment, demonstration is lived based on meeting, and (SessionInitiation Protocol, how IP phone SIP) realizes and works initiation protocol.
Experimental provision also comprises: network address translation (Network Address Translation, NAT) pass through module, be connected with monitoring module with described system basic configuration module, central processing module, authentication module, signaling monitor module, be used for according to experimental implementation indication and in conjunction with network simulation equipment, solve the VoIP net that in local area network (LAN), occur with problem public Internet net signalling interworking.
Experimental provision also comprises: module interconnects, pass through module with described system basic configuration module, central processing module, authentication module, NAT, the signaling monitor module is connected with monitoring module, be used for according to the experimental implementation indication and in conjunction with network simulation equipment, carry out conversation or not conversation mutually between the one-domain users mutually between the local area network (LAN) and the public Internet network user.
Experimental provision also comprises: the IN service module, be connected with monitoring module with described system basic configuration module, central processing module, authentication module, signaling monitor module, be used for according to the experimental implementation indication and in conjunction with network simulation equipment the experiment of the value-added service except that basic talk business.
Experimental provision also comprises: call out the controlling Design module, be connected with monitoring module with described system basic configuration module, central processing module, authentication module, signaling monitor module, be used for according to experimental implementation indication and in conjunction with network simulation equipment, on the service control layer plane, design the basic service of soft switch call number control and activate business.
Experimental provision also comprises: the IN service development module, be connected with monitoring module with described system basic configuration module, central processing module, authentication module, calling controlling Design module, signaling monitor module, be used for developing the experiment of IN service according to the experimental implementation indication and in conjunction with the hardware device that this experimental provision provides.
Experimental provision also comprises: the call state machine design module, be connected with monitoring module with described system basic configuration module, central processing module, authentication module, signaling monitor module, be used for providing a kind of simple and friendly interface to design the state machine of oneself to the experimenter according to the experimental implementation indication and in conjunction with network simulation equipment.
Experimental provision also comprises: module is monitored in session, pass through module with described system basic configuration module, central processing module, authentication module, NAT, the signaling monitor module is connected with monitoring module, be used for according to experimental implementation indication and in conjunction with network simulation equipment, real-time and Lawful Interception history are carried out in the conversation that monitor.
Experimental provision also comprises: the telephone expenses control module, be connected with monitoring module with described system basic configuration module, central processing module, authentication module, signaling monitor module, be used for carrying out rate setting and telephone expenses list and producing according to the experimental implementation indication and in conjunction with network simulation equipment.
Therefore,, realized the actual environment of simulation switching technique of next generation of network and communication security, carried out the various experiments of next generation network by experimental provision provided by the invention.
Description of drawings
Fig. 1 is the structural representation of experimental provision provided by the invention.
The structural representation of Fig. 2 network simulation equipment.
Embodiment
Be illustrated in figure 1 as the structural representation of experimental provision provided by the invention, this experimental provision comprises:
System's basic configuration module 104 is connected with described central processing module 101, is used for being configured according to experimental implementation indication and in conjunction with each experiments of 2 pairs of switching technique of next generation of network of network simulation equipment.Network simulation equipment comprises integrated access equipment 201, FXO gateway 202, router two 03 and IP phone 204 compositions as shown in Figure 2.
The experimental rig that the student utilizes above-mentioned module to form can be finished basic system configuration experiment.
As shown in Figure 1, this experimental provision also comprises: authentication module 105, be connected with central processing module 101 with system basic configuration experiment module 104, signaling monitor module 102, system's basic configuration experiment module configures authentication module, the authentication request of initiating by the interface as the student according to the experimental implementation indication realizes user's login and authentication registration, and in this process, embody the assigning process of telephone number in next generation network, contrast the central signaling of traditional PSTN network in addition.Know from experience the process of a basic conversation then on this basis, thereby make the student grasp the configuration operation of equipment in the communication process, comprise the negotiation of medium encoding and decoding.Can understand simultaneously the signaling process in communication process and the cooperation of each equipment room.
The student configures session initiation protocol by this experimental provision, and (Session InitiationProtocol, SIP) server is based on calculating (SBC) server of server, IP network phone.The IP network phone is meant the application of passing through the real-time transfers voice information of ICP/IP protocol at Internet on the net.In basic communication process, can carry out the conversation of soft Phone and hard Phone or these two respectively with the conversation of common phone, the precondition that can converse is that these phones can successfully be registered on the server.
Experimental provision can be to the condition monitoring figure of student's displayed record like this.For example, 88881001 dial 88881003, connect, and 88,881,003 1 side's on-hooks are done condition monitoring at the web page then.
Can understand the basic layout of next generation network by this experimental provision, grasp the basic function and the basic operation of sip server and auxiliary function module thereof, grasp is understood basic process and the signaling process set up based on the phone of SIP based on the authentication registration mechanism of Session Initiation Protocol.
This experimental rig also comprises as shown in Figure 1: the module 106 of conversing substantially, be connected with monitoring module 103 with described system basic configuration module 104, central processing module 101, authentication module 105, signaling monitor module 102, be used for according to the indication of described experimental implementation and in conjunction with network simulation equipment 2, how demonstration realizes based on the IP phone of SIP and works.The computer of the experimental rig by these modules are installed, how the IP phone that the student can understand SIP realizes and works.
This experimental provision also comprises network address translation (Network Address Translation, NAT) pass through module 107, be connected with monitoring module 103 with described system basic configuration module 104, central processing module 101, authentication module 105, signaling monitor module 102, this module be used for according to experimental implementation indication solved the VoIP net that occur at local area network (LAN) with problem public Internet net signalling interworking.Under the next generation network environment, user's equipment all is based on IP's, and IP network is an open network, very big with traditional PSTN network difference, the means of user access network are also a lot, especially the domestic user is that LAN shares a public IP by gateway mostly, and NAT passes through the conversation demand that solves this part user that has been mainly.
Again referring to Fig. 1, this experimental provision also comprises: interconnection and interflow module 108, pass through module 107, signaling monitor module 102 and monitoring module 103 and be connected with described system basic configuration module 104, central processing module 101, authentication module 105, NAT, be used for according to the experimental implementation indication and in conjunction with network simulation equipment 2, carry out conversation or not conversation mutually between the one-domain users mutually between the local area network (LAN) and the public Internet network user.
Existing PSTN network is in the middle of the process of network transition of future generation, can not abandon existing P STN fully, and along with the development of next generation network, a lot of new access means have appearred on Ineternet, and the experiment of interconnecting be exactly for understand and these heterogeneous networks between conversation.Simultaneously, see the different soft switch switching network that different operators has from the angle of operation, the interconnection and interflow module that provides by this experimental provision can be simulated the interconnection of soft switchcall server.
By this experimental provision provided by the invention, and sip server, Radius server software one cover, SBC server software one cover, soft phone one cover of SIP, network simulation equipment 2, this serial equipment is referred to as experimental system, can carry out the NAT test of passing through and interconnect.At first system's basic configuration experiment module to server and IP network phone etc. some must equipment each parameter configuration.After configuration was finished, authentication and basic conversation module were carried out the authentication registration of these equipment, and they can normally be started.Utilize the module that interconnects subsequently, pass through module with NAT and carry out NAT and pass through the experiment and the test of interconnecting.
As shown in Figure 1, this experimental provision also comprises: IN service module 109, described system basic configuration module 104, central processing module 101, authentication module 105, signaling monitor module 102 are connected with monitoring module 103, be used for according to experimental implementation indication and in conjunction with the experiment of the value-added service of network simulation equipment except that basic talk business, such as abbreviated dialing, calling transfer.The IN service module that provides by this experimental provision makes the student understand these operation flows, inspires the student to think deeply new service application, to satisfy the different application in more places, really embodies the essence of business-driven in the next generation network.
As shown in Figure 1, this experimental provision also comprises: call out controlling Design module 110 and be connected with monitoring module 103 with described system basic configuration module 104, central processing module 101, authentication module 105, signaling monitor module 102, be used for according to the experimental implementation indication and in conjunction with network simulation equipment 2, the student can be participated on the service control layer face, design the control of soft switch call number basic service and activate business, be intended to allow as possible the student can know that it so more will know its reason, exercise student ' is thought independently and creation capacity.
IN service development module 111, with described system basic configuration module 104, central processing module 101, authentication module 105, call out controlling Design module 110, signaling monitor module 102 is connected with monitoring module 103, be used for developing the experiment of IN service according to the experimental implementation indication and in conjunction with network simulation equipment 2.
As shown in Figure 1, experimental provision also comprises: call state machine design module 112, be connected with monitoring module 103 with described system basic configuration module 104, central processing module 101, authentication module 105, signaling monitor module 102, be used for providing a kind of simple and friendly interface to design the state machine of oneself to the experimenter according to the experimental implementation indication and in conjunction with network simulation equipment 2.
And also comprise: module 113 is monitored in session, pass through module 107, signaling monitor module 102 and monitoring module 103 and be connected with described system basic configuration module 104, central processing module 101, authentication module 105, NAT, be used for according to the experimental implementation indication and in conjunction with network simulation equipment 2, real-time and historical Lawful Interception are carried out in the conversation that will monitor, guaranteed the safety of communication.
This experimental rig also comprises as shown in Figure 1: telephone expenses control module 114; be connected with monitoring module 103 with described system basic configuration module 104, central processing module 101, authentication module 105, signaling monitor module 102; be used for according to the experimental implementation indication and in conjunction with network simulation equipment 2; carry out rate setting and telephone expenses list production process, embody protection simultaneously for the charge system fail safe.
Introduce the student below by using this experimental provision, the description of the process that experimentizes.
Switching technique of next generation of network is that the student can select different experiment modules to operate targetedly according to the needs of study with experimental apparatus for communication security, also can operate the structural texture of deeper understanding next generation network by composite module.Experimental provision of the present invention can provide each experiment in switching technique of next generation of network and the communication security, thereby make that the student can be after being familiar with whole configuration operation environment, can carry out that dissimilar experiments such as authentication, NAT pass through, interconnect in conjunction with the own knowwhy that be learned and the ability of practice, operation and designs such as IN service, calling control and telephone expenses control.
Experimental provision of the present invention can realize that experimental provision of the present invention can be installed in the computer in the mode of software by software.When installing on computers, can select above-mentioned certain module to install, also above-mentioned all modules all can be installed with software mode with software mode.Can realize different tests by the software that various combination is installed, also all software can be installed, realize the test that the present invention is all like this.The student uses the computer that experimental provision of the present invention has been installed, and by operation interface, initiates various experiment requests to central processing module, and central processing module is sent the corresponding experimental implementation indication of experiment request.For example when experimental implementation was designated as the authentication indication, system's basic configuration module at first configured authentication module, realized authentication by authentication module then, thereby finished the authentication experiment.
Can carry out the design experiment by experimental provision of the present invention.For example: call out the controlling Design experiment.This experiment mainly designs by calling controlling Design module, central processing module, authentication module, the student is further consolidated understand and grasp next-generation communication network (Next GenerationNetwork, various knowledge and technologies NGN).In actual applications, we can use the coding code to realize the function of above-mentioned each module, promptly various application API.When carrying out the design experiment, call out the basic dynamic link library (dll file is referred to as basic storehouse) that the controlling Design module can provide another packaged various application API.After importing this basic storehouse, the various API that just can apply in a flexible way had write out the handling process code of oneself when the designer write a program.After having designed, the designer need be integrated into various API to the code of oneself, and uses the API name of experimental system appointment, exports to dynamic link library and rename at last and becomes former default dll file name, gets final product with its dll file of replacing former experimental system acquiescence again.
Give an example, SIP phone A (87541001) makes a phone call for SIP phone B (87541002), it at first is the call request that sip server is received a side A, general situation is got off and to the call request of A the sip server Useful Information is had only the user name (87541001) of A and the user name (87541002) of B, not much else.So, if sip server want just need know following message to this closing of the circuit:
1, A, B whether " legal ".Be whether user account number exists, online, arrearage etc.(must know)
2, the affiliated sip server IP address of A, B.(must know)
3, the IP address of the terminal of A, B.(sometimes can not need to know)
Other information of 4, activating business.(sometimes can not need to know)
After knowing these information, sip server can be transmitted request easily to B, thereby has connected this phone.So, how does sip server obtain these information? be exactly by the designed interface API of designer.The parameter of importing API into mainly is exactly picture 87541001 and 87541002 these numbers of calling and called parties information.Comprising the various information that above sip server need be known in the data structure of returning.
The designer only need get final product at the code of writing oneself in the function of DNS request as send_dns_request () that sends by name by prompting.Write finish compile successfully after, experimental system will directly be write the dll library file in the file at experimental system sip server program place, at this moment experimental system will be called the dll library file of generation, can directly debug.
The student can also carry out IN service exploitation experiment by this experimental provision.
Abbreviated dialing service not only can alleviate the trouble that the user dials the multidigit telephone number in the sip server program, saves dialing time, is convenient to memory, can also reduce the chance of makeing mistakes.The user can be condensed to the own often phone of contact, and is very convenient during use.In switching technique of next generation of network and communication security experimental system, all registrations and cancellation number condense, and can be provided with by webpage.
Call transfer service in the sip server program (unconditional branch) is exactly the selection of telephone network according to the user, under the situation of shut down at phone, signal is weak, phone leaves service area, the medium user of communication process can not receive calls, the phone of calling in is transferred on preassigned one " number ", and this " number " can be landline telephone, mobile phone, voice mail and mobile phone etc.
Therefore, the complete simulating reality environment of switching technique of next generation of network and communication security experimental system can allow the student operate simultaneously in conjunction with the software and hardware experimental box, grasps simple and convenient.Signaling monitor in this experimental provision and monitoring module can allow the student very clearly understand signaling process and session flow process, play good auxiliary propulsion effect for the understanding of experiment.
At last, switching technique of next generation of network and experimental apparatus for communication security are abundant in content, relate to the many aspects of communication teaching, can satisfy different teaching demands.The experimenter can select different experiment modules according to the teaching needs, from the easier to the more advanced, from the manipulative experiment to the design, test, promptly can cultivate students'ability for practice and also can temper their thinking ability, thereby reach corresponding teaching purpose at different learning phases.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (11)
1, a kind of switching technique of next generation of network and experimental apparatus for communication security is characterized in that comprising:
Central processing module is used to send various experimental implementation indications;
The signaling monitor module is connected with described central processing module, is used for protocol signaling message and system information are monitored and analyze;
Monitoring module is connected with described central processing module, is used for whole communication process is carried out the monitoring and the analysis of state;
System's basic configuration module is connected with described central processing module, is used for according to described experimental implementation indication and in conjunction with network simulation equipment each experiment in switching technique of next generation of network and the experimental apparatus for communication security being configured.
2, switching technique of next generation of network according to claim 1 and experimental apparatus for communication security is characterized in that also comprising:
Authentication module is connected with the signaling monitor module with described system basic configuration module, central processing module, is used for carrying out user's login, authentication registration according to described experimental implementation indication and in conjunction with network simulation equipment.
3, switching technique of next generation of network according to claim 2 and experimental apparatus for communication security is characterized in that also comprising:
Basic conversation module, be connected with monitoring module with described system basic configuration module, central processing module, authentication module, signaling monitor module, be used for according to the indication of described experimental implementation and in conjunction with network simulation equipment, how the IP phone of demonstrating dialogue-based initiation protocol realizes and works.
4, switching technique of next generation of network according to claim 2 and experimental apparatus for communication security is characterized in that also comprising:
Network address translation is passed through module, be connected with monitoring module with described system basic configuration module, central processing module, authentication module, signaling monitor module, be used for according to experimental implementation indication and in conjunction with network simulation equipment, solve the VoIP net that in local area network (LAN), occur with problem public Internet net signalling interworking.
5, switching technique of next generation of network according to claim 4 and experimental apparatus for communication security is characterized in that also comprising:
Module interconnects, pass through module with described system basic configuration module, central processing module, authentication module, network address translation, the signaling monitor module is connected with monitoring module, be used for according to the experimental implementation indication and in conjunction with network simulation equipment, carry out conversation or not conversation mutually between the one-domain users mutually between the local area network (LAN) and the public Internet network user.
6, according to any described switching technique of next generation of network of claim 2-5 and experimental apparatus for communication security, it is characterized in that also comprising:
The IN service module, be connected with monitoring module with described system basic configuration module, central processing module, authentication module, signaling monitor module, be used for according to the experimental implementation indication and in conjunction with network simulation equipment the experiment of the value-added service except that basic talk business.
7, according to any described switching technique of next generation of network of claim 2-5 and experimental apparatus for communication security, it is characterized in that also comprising:
Call out the controlling Design module, be connected with monitoring module with described system basic configuration module, central processing module, authentication module, signaling monitor module, be used for according to experimental implementation indication and in conjunction with network simulation equipment, on the service control layer plane, design the basic service of soft switch call number control and activate business.
8, switching technique of next generation of network according to claim 7 and experimental apparatus for communication security is characterized in that also comprising:
The IN service development module, be connected with monitoring module with described system basic configuration module, central processing module, authentication module, calling controlling Design module, signaling monitor module, be used for developing the experiment of IN service according to the experimental implementation indication and in conjunction with network simulation equipment.
9, switching technique of next generation of network according to claim 2 and experimental apparatus for communication security is characterized in that also comprising:
The call state machine design module, be connected with monitoring module with described system basic configuration module, central processing module, authentication module, signaling monitor module, be used for providing a kind of simple and friendly interface to design the state machine of oneself to the experimenter according to the experimental implementation indication and in conjunction with network simulation equipment.
10, switching technique of next generation of network according to claim 4 and experimental apparatus for communication security is characterized in that also comprising:
Module is monitored in session, pass through module with described system basic configuration module, central processing module, authentication module, network address translation, the signaling monitor module is connected with monitoring module, be used for according to the experimental implementation indication and in conjunction with network simulation equipment, Lawful Interception experiment real-time and history is carried out in the conversation that monitor.
11, switching technique of next generation of network according to claim 2 and experimental apparatus for communication security is characterized in that also comprising:
The telephone expenses control module, be connected with monitoring module with described system basic configuration module, central processing module, authentication module, signaling monitor module, be used for carrying out rate setting and telephone expenses list and producing experiment according to the experimental implementation indication and in conjunction with network simulation equipment.
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| CN200710052800A CN100593922C (en) | 2007-07-20 | 2007-07-20 | Switching technique of next generation of network, and experimental apparatus for communication security |
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| CN200710052800A CN100593922C (en) | 2007-07-20 | 2007-07-20 | Switching technique of next generation of network, and experimental apparatus for communication security |
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| TWI508496B (en) * | 2012-11-13 | 2015-11-11 | PSTN users multi-stage access to NGN users of the method and system |
Citations (3)
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| CN1710871A (en) * | 2004-06-18 | 2005-12-21 | 华为技术有限公司 | Active measuring system and method |
| EP1461965B1 (en) * | 2002-01-04 | 2005-12-28 | Telefonaktiebolaget LM Ericsson (publ) | Communication node architecture |
| CN1809003A (en) * | 2006-02-08 | 2006-07-26 | 信息产业部电信传输研究所 | System and method of testing performance of soft switch device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1461965B1 (en) * | 2002-01-04 | 2005-12-28 | Telefonaktiebolaget LM Ericsson (publ) | Communication node architecture |
| CN1710871A (en) * | 2004-06-18 | 2005-12-21 | 华为技术有限公司 | Active measuring system and method |
| CN1809003A (en) * | 2006-02-08 | 2006-07-26 | 信息产业部电信传输研究所 | System and method of testing performance of soft switch device |
Non-Patent Citations (2)
| Title |
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| 基于计算机网络的程控交换教学实验系统. 汪小燕，王非，莫益军.电气电子教学学报,，第23卷,卷第6期. 2001 |
| 基于计算机网络的程控交换教学实验系统. 汪小燕，王非，莫益军.电气电子教学学报，第23卷第6期. 2001 * |
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