CN101043384A - System and method for network test - Google Patents
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Abstract
The disclosed system for network testing comprises: a testing console with user operation interface, a testing server for communicating and storing data, and the testing node for simulating multiple terminals to transmit message and test network. The corresponding method comprises: the testing console creates the configuration message for testing task and sends the message to the testing node, and the latter simulates multiple nodes for testing network. This invention is low cost and convenient.
Description
Technical field
The present invention relates to field tests, relate in particular to a kind of system and method for network test.
Background technology
In carrying out the networking products test, the network test environment that usually needs a large amount of network elements to exist.Such as in the test of security gateway product,, need build the scene that a large amount of illegal network terminals send the network test message for validation gateway detects a large amount of illegally accuracy and the performances of the network terminals; For another example, stand DDOS (Distributed Denial of Service, distributed denial of service) attack, need in test network, set up the main frame that a large amount of DDOS of initiation attack at the test network product.DDOS attacks the technology by means of C/S (client/server) that refers to, a plurality of computers are joined together as attacking platform, mobilize DOS (Denial of Service, denial of service) to attack to one or more targets, thereby improve the power of Denial of Service attack exponentially.The purpose of dos attack is to make computer or network that normal service can't be provided.Modal dos attack has the computer network bandwidth to attack and connective the attack.Bandwidth is attacked and is referred to impact network with the great traffic, makes all available network resource all be consumed totally, causes the legal users request just can't pass through at last.The connective attack refers to impact computer with a large amount of connection requests, makes all available operating-system resources all be consumed totally, and final computer can't be handled the request of validated user again.
And use thousands of live network element to build the network test environment, and its testing cost is high, and test operation is difficult to carry out, the test result repeatability also is difficult to accomplish, and, use real DDOS tool software to cause the paralysis of laboratory work network easily, wayward.
The commercial network tester of specialty can realize simulating the problem of large scale network test environment at present, as the commercial network tester among Fig. 1, its basic structure is for inserting independently test card in frame, port on every test card all has independent CPUs, internal memory and (SuSE) Linux OS, and it can simulate the transmission of the network message of big flow.But it costs an arm and a leg the specialized network tester, complicated operation, and agreement that can not test subscriber's application layer particular design.
Summary of the invention
The object of the present invention is to provide the system and method for the easy-operating network test of a kind of cheapness, with function and the performance test needs that satisfy networking products.
The objective of the invention is to be achieved through the following technical solutions:
The invention provides a kind of system of network test, comprise test console, testing server and test node, described test console provides user interface, described testing server provides communicating to connect and the storage of data between described test console and the test node, and described test node simulation multiple terminals node sends datagram and carries out network test.
Described test console comprises:
Interface display module provides the interface of user and described system, receives user's operation and test result is shown to the user;
The test assignment configuration module, it is configuration information that required parameter is tested in configuration;
The test assignment distribution module is used for described configuration information is distributed to each test node;
The test assignment control module is controlled the carrying out of whole test assignment.
Described test node comprises:
Testing tool operation platform layer provides described test node to carry out the required platform support of test assignment;
The testing tool layer adopts multithreading simulation multiple terminals node to send datagram, and carries out network test.
Described testing tool layer includes data message and sends instrument, and described data message transmission instrument is created message and sent sub-thread, sends datagram and carries out network test.
Described test node and test console also comprise the message capture module, and described message capture module is caught the data message in the network; Described test console also comprises the packet parsing editor module, and described packet parsing editor module is resolved described data message, and the data message that parses is updated.
The present invention also provides a kind of method of network test, comprising:
A, test console are created the configuration information of test assignment;
B, test console upload to test node with described configuration information;
C, test node are according to described configuration information, and simulation multiple terminals node sends datagram and carries out network test.
Described steps A comprises:
A11, obtain True Data message or manual configuration data message in the network;
A12, described data message is configured to the configuration information of many test nodes simulation test task.
Also comprise quantity and performance according to test node, described configuration information is assigned as the sub-information of configuration of each test node, the method for allocating tasks of test node is relevant with test node CPU speed, test node current C PU occupancy and test node free memory, carries out according to following formula:
The test assignment proportion (V) that test node distributes=total test assignment amount (T) * test node performance number (P)
Test node performance number (P)=test node CPU ratio * current C PU idleness * free memory ratio
The CPU speed of CPU ratio=present node/all node cpu speed sums
The free memory of free memory ratio=present node/all node free memory sums.
The configuration information that IP address by changing described data message and port are configured to described data message many test nodes simulation test task.
Message capture module by test node or test console obtains the True Data message in the network.
Described step C comprises:
C1, test node are created message and are sent main thread;
C2, main thread are created a plurality of data messages according to described configuration information and are sent sub-thread;
C3, data message send sub-thread and send datagram and carry out network test.
Described data message is the voip network message.
Described data message is the DDOS attack message.
By technical scheme provided by the invention as can be seen, the present invention sends network message by a large amount of network terminals of simulation on a small amount of test node, the needed great amount of terminals test environment of analog network product test, the testing cost of networking products be can effectively reduce, the testing efficiency of networking products and the quantity of finding defective improved.The principle that the present invention attacks according to DDOS sends a large amount of TCP and connects message, not only plays the effect of analog D dos attack, can control its coverage simultaneously, and the problem that test is caused is reduced to minimum.
Description of drawings
Fig. 1 is the basic structure schematic diagram of commercial network tester;
Fig. 2 is the schematic diagram of system of the present invention;
Fig. 3 is the schematic diagram of internal system structure of the present invention;
Fig. 4 is the test environment schematic diagram that the live network calling node is built;
Fig. 5 is the test environment schematic diagram of analog network calling node of the present invention;
Fig. 6 is that the present invention utilizes test node analog D dos attack schematic diagram;
Fig. 7 is the inventive method realization flow figure;
Fig. 8 is that network message is caught and the test process schematic diagram among the present invention;
Fig. 9 is multithreading analog network telephone terminal message transmission flow figure among the present invention.
Embodiment
The invention provides a kind of network test system based on C/S model, as shown in Figure 2, this system comprises three parts: test console, testing server and test node.Test node can be for a plurality of, and concrete volume cost invention does not limit, and during use, test node is logging on after the startup on the testing server automatically, can check and control the test node that logs on server by control desk.
Test console mainly provides user interface, user operation comprises: create test assignment, configuration testing parameter, show the current test node that lands, issue test assignment test assignment on test node, the control test node execution, show the result of test execution and generate test report automatically that the content options user of test report can set.
As shown in Figure 3, test console mainly is made up of interface display module, packet parsing editor module, test assignment configuration module, test assignment distribution module, test assignment control module, enquiry module, communication module etc., wherein, interface display module provides the interface of user and system, receives user's operation and test result is shown to the user; The packet parsing editor module is used to resolve the data message that captures; The test assignment configuration module, will test required parameter configuration is configuration information; The test assignment distribution module is used for described configuration information is distributed to each test node; The test assignment control module is controlled the carrying out of whole test assignment; Enquiry module is inquired about test result to test node; Control desk and communicating by letter of testing server are finished by communication module.
Testing server provides communicating to connect and the memory function of data between test console and the test node, and database is installed on the testing server, preserves test assignment configuration information and test result data.After the user started test assignment, testing server can be sent completely the needed testing tool starting command of test assignment to selected test node, and the testing tool parameters needed is passed to test node according to the setting of test assignment.
Test node is divided into two-layer, testing tool operation platform layer and testing tool layer.
Testing tool operation platform layer provides described test node to carry out the required platform support of test assignment: handle communicating by letter between testing tool and the testing server; Resolve the instrument action command that testing server sends, the execution of scheduling tests instrument; The test assignment configuration parameter of management testing server-assignment calls for testing tool; Collect the testing tool execution result, and the test result query requests sent of response test server.
The testing tool layer includes polytype data message and sends instrument, send instrument, Agent message transmission instrument, Windows Update message transmission instrument etc. as the VoIP message, and tool kind can expand, support the new testing requirement of user, the execution result of testing tool is saved in the testing tool operation platform, and the user can set the type of the test result of concern.Testing tool has adopted multithreading and network programming technology to realize virtual many network elements, each thread has been simulated the network message data flow that the live network element sends, the IP address of the network message of its transmission of different threads is different with port numbers, the application layer data message is constructed according to parameter of user, can be fully customize needed application layer data message, have very high flexibility according to user's requirement.By the common cooperation of substantive test node, the virtual network test environment of a large amount of network elements existence can be provided for measurand, satisfy the function and the performance test needs of measurand.
Test node also includes the message capture module, to catch the True Data message in the network.
Structure among Fig. 4 is the test scene of certain networking products, in the test process, need carry out the speaking test between the N group network phone, comprises the process of calling, off-hook, conversation, on-hook.Fig. 5 is the test environment of the many network telephone terminals of simulation of the present invention, each test node just can be simulated the message that thousands of real network telephone terminals send among the figure, the user only need configure terminal node quantity and the parameter that needs simulation at test console, starts test assignment then and just can simulate the VoIP data message that produces under the true product test environment.
Fig. 6 is that principle of attacking according to DDOS on test node of the present invention sends a large amount of TCP connection messages, and the analog D dos attack stands the ability that DDOS attacks with the test network product.
Introduce network test method provided by the invention below in detail, as shown in Figure 7, the specific implementation flow process is as follows:
The configuration information of S1, establishment test assignment;
This step specifically comprises:
S11, obtain data message;
Obtaining data message among the present invention specifically has dual mode, a kind of for catching the True Data message in the network; Another kind is the manual configuration data message, as the primitive network message by network programming technical construction 2-7 layer.
And the True Data message of catching in the network also has dual mode, and a kind of is by the communication data message in the message capture module capture network on the test node, and the data message that captures is uploaded to test console, and as shown in Figure 8, this mode is specially:
S111, user start the packet capturing order of selected test node on test console;
S112, described packet capturing order are transmitted to test node by testing server;
S113, test node start the packet capturing thread and carry out the message seizure, and the message that captures is saved in the test node buffering area;
Buffer size can be set by test console, and after packet capturing quantity surpassed buffer size, test node stopped packet capturing automatically.The user also can initiatively send by test console and stop the packet capturing order, stops the packet capturing thread after test node receives and ceases and desist order.
S114, user send the message data request of obtaining at test console;
After S115, test node receive described request, upload the message data that captures.
S116, test console packet parsing editor module are resolved the message that captures, and analyze content of message;
Another kind is caught the mode of the true message in the network for directly caught the data message in the network by test console.
S12, establishment configuration information;
This step specifically comprises:
S121, test console packet parsing editor module update content of message, comprise reconfiguring selected content of message the message that deletion is selected, the sending order of modification message;
Data message stream after S122, test console test assignment configuration module will be edited expands to multi-group data stream, the simulation that IP address by changing every group data stream and port are realized many test nodes, the configuration information that is configured to many test nodes simulation test task after the change, it can be with the form of configuration file;
S123, test console test assignment distribution module are divided into each test node with the configuration information of test assignment and dispose sub-information;
The user can create, revise and start a test assignment at test console, when creating test assignment, system is assigned to test assignment on selected one or more test nodes according to the quantity of the current test node that has landed and the performance of test node automatically.If the user is dissatisfied to the configuration that system generates automatically, the test assignment configuration parameter on all right each test node of manual setting.The method for allocating tasks of test node is relevant with test node CPU speed, test node current C PU occupancy and test node free memory, carries out according to following formula:
The test assignment proportion (V) that test node distributes=total test assignment amount (T) * test node performance number (P)
Test node performance number (P)=test node CPU ratio * current C PU idleness * free memory ratio
The CPU speed of CPU ratio=present node/all node cpu speed sums
The free memory of free memory ratio=present node/all node free memory sums
S2, test console arrive each test node by testing server with the sub-information uploading of described configuration;
The testing tool layer of S3, test node carries out network test;
This step specifically comprises:
S31, startup test node message send instrument;
S32, test node are created message and are sent main thread;
S33, main thread are created a plurality of messages according to configuration parameter and are sent sub-thread;
S34, message send sub-thread transmission message and test;
As shown in Figure 9, each thread is simulated the data message that sends when a pair of network telephone terminal is conversed, and the purpose IP address, source of data message is inequality in the different threads, thereby has fictionalized the conversation process of a plurality of network telephone terminals on a main frame.
S4, return test result.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (13)
1, a kind of system of network test, it is characterized in that, comprise test console, testing server and test node, described test console provides user interface, described testing server provides communicating to connect and the storage of data between described test console and the test node, and described test node simulation multiple terminals node sends datagram and carries out network test.
2, the system of a kind of network test as claimed in claim 1 is characterized in that, described test console comprises:
Interface display module provides the interface of user and described system, receives user's operation and test result is shown to the user;
The test assignment configuration module, it is configuration information that required parameter is tested in configuration;
The test assignment distribution module is used for described configuration information is distributed to each test node;
The test assignment control module is controlled the carrying out of whole test assignment.
3, the system of a kind of network test as claimed in claim 1 is characterized in that, described test node comprises:
Testing tool operation platform layer provides described test node to carry out the required platform support of test assignment;
The testing tool layer adopts multithreading simulation multiple terminals node to send datagram, and carries out network test.
4, the system of a kind of network test as claimed in claim 3 is characterized in that, described testing tool layer includes data message and sends instrument, and described data message transmission instrument is created message and sent sub-thread, sends datagram and carries out network test.
5, the system of a kind of network test as claimed in claim 4 is characterized in that, described test node and test console also comprise the message capture module, and described message capture module is caught the data message in the network; Described test console also comprises the packet parsing editor module, and described packet parsing editor module is resolved described data message, and the data message that parses is updated.
6, a kind of method of network test is characterized in that, comprising:
A, test console are created the configuration information of test assignment;
B, test console upload to test node with described configuration information;
C, test node are according to described configuration information, and simulation multiple terminals node sends datagram and carries out network test.
7, the method for a kind of network test as claimed in claim 6 is characterized in that, described steps A comprises:
A11, obtain True Data message or manual configuration data message in the network;
A12, described data message is configured to the configuration information of many test nodes simulation test task.
8, the method for a kind of network test as claimed in claim 7, it is characterized in that, also comprise quantity and performance according to test node, described configuration information is assigned as the sub-information of configuration of each test node, the method for allocating tasks of test node is relevant with test node CPU speed, test node current C PU occupancy and test node free memory, carries out according to following formula:
The test assignment proportion (V) that test node distributes=total test assignment amount (T) * test node performance number (P)
Test node performance number (P)=test node CPU ratio * current C PU idleness * free memory ratio
The CPU speed of CPU ratio=present node/all node cpu speed sums
The free memory of free memory ratio=present node/all node free memory sums.
9, the method for a kind of network test as claimed in claim 7 is characterized in that, the configuration information that IP address by changing described data message and port are configured to described data message many test nodes simulation test task.
10, the method for a kind of network test as claimed in claim 7 is characterized in that, the message capture module by test node or test console obtains the True Data message in the network.
11, the method for a kind of network test as claimed in claim 6 is characterized in that, described step C comprises:
C1, test node are created message and are sent main thread;
C2, main thread are created a plurality of data messages according to described configuration information and are sent sub-thread;
C3, data message send sub-thread and send datagram and carry out network test.
12, the method for a kind of network test as claimed in claim 6 is characterized in that, described data message is the voip network message.
13, the method for a kind of network test as claimed in claim 6 is characterized in that, described data message is the DDOS attack message.
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