CN106789256B - Test system and test method for simulating wide area network environment - Google Patents

Test system and test method for simulating wide area network environment Download PDF

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Publication number
CN106789256B
CN106789256B CN201611206997.1A CN201611206997A CN106789256B CN 106789256 B CN106789256 B CN 106789256B CN 201611206997 A CN201611206997 A CN 201611206997A CN 106789256 B CN106789256 B CN 106789256B
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router
dns server
test
area network
test data
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CN106789256A (en
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刘雪艳
郭彦龙
李莉
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Ctrip Travel Network Technology Shanghai Co Ltd
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Ctrip Travel Network Technology Shanghai Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/14—Network analysis or design
    • H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters

Abstract

The invention discloses a test system and a method for simulating a wide area network environment, wherein the test system comprises embedded equipment, a PC (personal computer) manager, a first router, a second router and a DNS (domain name system) server, a WAN (wide area network) interface of the first router is electrically connected with a LAN (local area network) interface of the second router, the first router establishes a first local area network, the second router establishes a second local area network, the embedded equipment and the PC manager are both accessed into the first local area network, and the first router is accessed into the second local area network; setting WAN IP addresses of a second router and a DNS server respectively, and enabling the second router and the DNS server to be in the same network segment; and testing the data communication between the embedded equipment and the PC supervisor. The invention can test the data communication between the embedded device and the PC management machine in a network environment similar to the actual environment by simulating the wide area network environment, thereby saving the test cost and improving the safety and reliability of the test.

Description

Test system and test method for simulating wide area network environment
Technical Field
The invention relates to a test system and a test method for simulating a wide area network environment.
Background
With the rapid development of embedded device communication, drivers and software of embedded devices often need to be tested in a wide area network environment. For example, a PC (Personal Computer) manager is in a region a, an embedded device is also in a region a, and the PC manager is in the same lan, but the PC manager needs to download various data to the embedded device through a server device in a region B, or collect data of the embedded device through a server device in a region B to perform various background statistics. This requires a large number of wan links to complete the relevant tests.
However, a large amount of test resources are needed to build a large amount of wan links, so that test cost is wasted, and many potential safety hazards exist on the wan, so that safety and reliability of the test are reduced.
Disclosure of Invention
The invention provides a test system and a test method for simulating a wide area network environment, aiming at overcoming the defects of test cost waste and low test safety and reliability when testing data communication between embedded equipment and a PC (personal computer) manager in the wide area network environment in the prior art.
The invention solves the technical problems through the following technical scheme:
a test System for simulating a Wide Area Network environment is characterized by comprising an embedded device, a PC (personal computer) manager, a first router, a second router and a DNS (Domain Name System) server, wherein a WAN (Wide Area Network) interface of the first router is electrically connected with a LAN (Local Area Network) interface of the second router, the first router establishes a first Local Area Network, the second router establishes a second Local Area Network, the embedded device and the PC manager are both accessed into the first Local Area Network, and the first router is accessed into the second Local Area Network;
setting WAN IP (Internet Protocol) addresses of the second router and the DNS respectively, and enabling the second router and the DNS to be in the same network segment;
and testing the data communication between the embedded equipment and the PC management machine.
Preferably, the embedded device is configured to send first registration information to the DNS server through the first router and the second router, and the PC manager is configured to send second registration information to the DNS server through the first router and the second router;
the embedded device is further used for sending a first test request to the PC management machine through the DNS server, after receiving the first test request, the PC management machine is further used for obtaining the first registration information from the DNS server and sending first test data in a specific format to the DNS server after obtaining the first registration information, the DNS server analyzes the received first test data in the specific format and sends the first test data to the embedded device, and after receiving the first test data, the embedded device detects whether the first test request corresponds to the first test data; or the like, or, alternatively,
the PC management machine is further used for sending a second test request to the embedded equipment through the DNS server, the embedded equipment is further used for obtaining second registration information from the DNS server after receiving the second test request, sending second test data in a specific format to the DNS server after obtaining the second registration information, the DNS server analyzes the received second test data in the specific format and sends the second test data to the PC management machine, and the PC management machine detects whether the second test request corresponds to the second test data after receiving the second test data.
Preferably, the first registration information includes a LAN IP address and port information of the embedded device;
the second registration information includes a LAN IP address and port information of the PC manager.
Preferably, the test system further comprises a HUB (multiport forwarder), the second router being communicatively connected to the DNS server via the HUB; and/or the presence of a gas in the gas,
the embedded equipment and the PC management machine are in communication connection with the first router in a wired or wireless mode.
Preferably, a first communication password is set on the first router, and the embedded device and the PC manager access into the first local area network through the first communication password;
a second communication password is set on the second router, and the first router is accessed into the second local area network through the second communication password;
and a third communication password is set on the DNS server, and the second router is in communication connection with the DNS server through the third communication password.
In the scheme, the access of other equipment can be prevented by setting the communication password, so that the safety in the test process is better ensured, and the safety of the test system is improved.
A test method for simulating wide area network environment is characterized in that the test method is realized by using the test system, and the test method comprises the following steps:
S1the first router establishes a first local area network, the second router establishes a second local area network, the embedded equipment and the PC manager are both accessed into the first local area network, and the first router is accessed into the second local area network;
setting WAN IP addresses of the second router and the DNS server respectively, and enabling the second router and the DNS server to be in the same network segment;
S2and testing the data communication between the embedded equipment and the PC management machine.
Preferably, step S2Includes a step S21And step S22Said step S22Is a step S221Or S222；
S21The embedded equipment is used for sending first registration information to the DNS server through the first router and the second router, and the PC manager is used for sending second registration information to the DNS server through the first router and the second router;
S221the embedded equipment sends a first test request to the PC management machine through the DNS server, the PC management machine acquires the first registration information from the DNS server after receiving the first test request, and sends first test data in a specific format to the DNS server after acquiring the first registration information, the DNS server analyzes the received first test data in the specific format and sends the first test data to the embedded equipment, and the embedded equipment detects whether the first test request corresponds to the first test data after receiving the first test data;
S222the PC management machine sends a second test request to the embedded equipment through the DNS server, and after receiving the second test request, the embedded equipment acquires the second registration information from the DNS server and acquires the second registration informationAnd after receiving the second test data, the PC management machine detects whether the second test request corresponds to the second test data.
Preferably, the first registration information includes a LAN IP address and port information of the embedded device;
the second registration information includes a LAN IP address and port information of the PC manager.
Preferably, the test system further comprises a HUB, and the second router is in communication connection with the DNS server through the HUB; and/or the presence of a gas in the gas,
the embedded equipment and the PC management machine are in communication connection with the first router in a wired or wireless mode.
Preferably, a first communication password is set on the first router, and the embedded device and the PC manager access into the first local area network through the first communication password;
a second communication password is set on the second router, and the first router is accessed into the second local area network through the second communication password;
and a third communication password is set on the DNS server, and the second router is in communication connection with the DNS server through the third communication password.
In the scheme, the access of other equipment can be prevented by setting the communication password, so that the safety in the test process is better ensured, and the safety of the test method is improved.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
the invention makes the data communication test between the embedded device and the PC manager through the transfer server in the network environment similar to the actual test by simulating the wide area network environment, thereby greatly reducing the hardware resource of the test, saving the test cost, eliminating the potential safety hazard existing in the actual wide area network and improving the safety and reliability of the test.
Drawings
FIG. 1 is a block diagram of a test system for simulating a WAN environment according to a preferred embodiment of the present invention.
FIG. 2 is a flowchart illustrating a testing method for simulating a WAN environment according to a preferred embodiment of the present invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
As shown in fig. 1, the test system for simulating a wide area network environment provided in this embodiment includes a DNS server 1, a HUB2, a first router 3, a second router 4, an embedded device 5, and a PC manager 6, where a WAN interface of the first router 3 is electrically connected to a LAN interface of the second router 4 by a wire, and a WAN interface of the second router 4 is communicatively connected to the DNS server 1 by a HUB2, in this embodiment, the first router 3 and the second router 4 are both wireless routers, but the model and the communication mode of each component are not particularly limited, and can be adjusted accordingly according to actual situations.
Specifically, the first router 3 establishes a first local area network, a first communication password is set on the first router 3, and the embedded device 5 and the PC manager 6 are respectively accessed into the first local area network by inputting the first communication password. The second router 4 establishes a second local area network, and a second communication password is set on the second router 4, and the first router 3 accesses into the second local area network by inputting the second communication password. Respectively setting WANIP addresses of a second router 4 and a DNS server 1, enabling the second router 4 and the DNS server 1 to be in the same network segment, setting a third communication password on the DNS server 1, and enabling the second router 4 to be in communication connection with the DNS server 1 through the third communication password. In this embodiment, the access of other devices can be prevented by setting the communication password, so that the safety in the test process is better ensured, and the safety of the test system is improved.
The embedded device 5 is configured to send first registration information to the DNS server 1 through the first router 3 and the second router 4, where the first registration information includes a LAN IP address and port information of the embedded device 5, and after receiving the first registration information, the DNS server 1 sends a registration result to the embedded device 5 through the second router 4 and the first router 3. Similarly, the PC manager 6 is configured to send second registration information to the DNS server 1 through the first router 3 and the second router 4, where the second registration information includes the LAN IP address and the port information of the PC manager 6, and after receiving the second registration information, the DNS server 1 sends a registration result to the PC manager 6 through the second router 4 and the first router 3. During the registration process, the first router 3 will automatically establish a dynamic mapping relationship between the internal port facing the embedded device 5 and the PC manager 6 and the external port facing the second router 4, and the second router 4 will automatically establish a dynamic mapping relationship between the internal port facing the first router 3 and the external port facing the DNS server 1.
After the registration is completed, the data communication between the embedded device 5 and the PC manager 6 is tested.
The procedure of the PC manager 6 downloading the test data to the embedded device 5 through the DNS server 1 will be described. The embedded device 5 is further configured to send a first test request to the PC management machine 6 through the DNS server 1, after receiving the first test request, the PC management machine 6 is further configured to obtain the first registration information from the DNS server 1, and after obtaining the first registration information, send the first test data in the specific format to the DNS server 1, the DNS server 1 analyzes the received first test data in the specific format and sends the analyzed first test data to the embedded device 5, after receiving the first test data, the embedded device 5 detects whether the first test request corresponds to the first test data, and if so, the transmission process of the test data indicates normal.
The process of the PC manager 6 collecting the test data transmitted by the embedded device 5 through the DNS server 1 will be described again. The PC management machine 6 is further configured to send a second test request to the embedded device 5 through the DNS server 1, after receiving the second test request, the embedded device 5 is further configured to obtain second registration information from the DNS server 1, and send second test data in a specific format to the DNS server 1 after obtaining the second registration information, the DNS server 1 analyzes the received second test data in the specific format and sends the second test data to the PC management machine 6, after receiving the second test data, the PC management machine 6 detects whether the second test request corresponds to the second test data, and if so, the transmission process of the test data indicates normal.
As shown in fig. 2, this embodiment further provides a testing method for simulating a wide area network environment, where the testing method is implemented by using the testing system as described above, and the testing method includes the following steps:
step 101, a first router establishes a first local area network, a second router establishes a second local area network, both the embedded device and the PC manager are accessed into the first local area network, and the first router is accessed into the second local area network.
In this step, a first communication password is set on the first router, and the embedded device and the PC manager respectively access the first local area network by inputting the first communication password. And a second communication password is set on the second router, and the first router accesses the second local area network by inputting the second communication password.
And 102, respectively setting WAN IP addresses of the second router and the DNS server, and enabling the second router and the DNS server to be in the same network segment.
In this step, a third communication password is set on the DNS server, and the second router is in communication connection with the DNS server through the third communication password.
In this embodiment, the access of other devices can be prevented by setting the communication password, so that the safety in the test process is better ensured, and the safety of the test method is improved.
And 103, the embedded device sends the first registration information to the DNS server through the first router and the second router, and the PC manager sends the second registration information to the DNS server through the first router and the second router.
In this step, the embedded device sends first registration information to the DNS server through the first router and the second router, where the first registration information includes the LAN IP address and the port information of the embedded device, and the DNS server sends a registration result to the embedded device through the second router and the first router after receiving the first registration information. Similarly, the PC manager sends second registration information to the DNS server through the first router and the second router, the second registration information comprises the LAN IP address and the port information of the PC manager, and after receiving the second registration information, the DNS server sends a registration result to the PC manager through the second router and the first router. In the registration process, the first router automatically establishes a dynamic mapping relationship between an internal port facing the embedded device and the PC manager and an external port facing the second router, and the second router automatically establishes a dynamic mapping relationship between the internal port facing the first router and the external port facing the DNS server.
And after the registration is finished, testing the data communication between the embedded equipment and the PC manager.
After step 103, step 104 or step 105 is executed, and there is no chronological relationship between step 104 and step 105.
Step 104, the embedded device sends a first test request to the PC manager through the DNS server, the PC manager obtains the first registration information from the DNS server after receiving the first test request, and sends the first test data in the specific format to the DNS server after obtaining the first registration information, the DNS server analyzes the received first test data in the specific format and sends the analyzed first test data to the embedded device, and the embedded device detects whether the first test request corresponds to the first test data after receiving the first test data.
The step is a process that the PC management machine downloads the test data to the embedded equipment through the DNS server. After receiving the first test data, the embedded device detects whether the first test request corresponds to the first test data, and if so, the transmission process of the test data shows normal.
Step 105, the PC manager sends a second test request to the embedded device through the DNS server, the embedded device obtains the second registration information from the DNS server after receiving the second test request, and sends the second test data in the specific format to the DNS server after obtaining the second registration information, the DNS server analyzes the received second test data in the specific format and sends the second test data to the PC manager, and the PC manager detects whether the second test request corresponds to the second test data after receiving the second test data.
The step is a process that the PC management machine collects test data sent by the embedded equipment through the DNS server. And after receiving the second test data, the PC manager detects whether the second test request corresponds to the second test data, and if so, the transmission process of the test data shows normal.
The following is an example of a specific arrangement of the respective components, but the present invention is not limited to the following arrangement, and may be configured by itself as long as the following arrangement is satisfied.
First, first router configuration
LAN IP address: 192.168.1.1
WAN IP address: 168.0.0.6
A first communication password: 11111111
Configuration of second and third routers
LAN IP address: 168.0.0.5
WAN IP address: 172.30.7.222
The second communication password: 22222222
Third, configuration of DNS server
WAN IP address: 172.30.7.223
A third communication password: 33333333
Fourthly, Ethernet setting of the embedded equipment:
LOCAL：192.168.1.2
host IP: 172.30.7.223(DNS server)
Port: 5050
Router IP: 192.168.1.1
Communication password: 11111111
Fifthly, setting the Ethernet of the PC manager:
LOCAL：192.168.1.2
host IP: 172.30.7.223(DNS server)
Port: 5050
Router IP: 192.168.1.1
Communication password: 11111111
As can be seen from the following example configuration, the WAN IP addresses of the second router and the DNS server satisfy the requirement that the second router and the DNS server are in the same network segment.
The embodiment enables the test of data communication between the embedded equipment and the PC management machine through the transfer server to be carried out in the network environment similar to the actual test through simulating the wide area network environment, thereby greatly reducing the hardware resources of the test, saving the test cost, eliminating the potential safety hazard existing in the actual wide area network and improving the safety and reliability of the test.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims (8)

1. A test system for simulating a wide area network environment is characterized by comprising an embedded device, a PC (personal computer) manager, a first router, a second router and a DNS (domain name system) server, wherein a WAN (wide area network) interface of the first router is electrically connected with a LAN (local area network) interface of the second router, the first router establishes a first local area network, the second router establishes a second local area network, the embedded device and the PC manager are both connected into the first local area network, and the first router is connected into the second local area network;
setting WAN IP addresses of the second router and the DNS server respectively, and enabling the second router and the DNS server to be in the same network segment;
testing data communication between the embedded equipment and the PC management machine;
the embedded equipment is used for sending first registration information to the DNS server through the first router and the second router, and the PC manager is used for sending second registration information to the DNS server through the first router and the second router;
the embedded device is further used for sending a first test request to the PC management machine through the DNS server, after receiving the first test request, the PC management machine is further used for obtaining the first registration information from the DNS server and sending first test data in a specific format to the DNS server after obtaining the first registration information, the DNS server analyzes the received first test data in the specific format and sends the first test data to the embedded device, and after receiving the first test data, the embedded device detects whether the first test request corresponds to the first test data; or the like, or, alternatively,
the PC management machine is further used for sending a second test request to the embedded equipment through the DNS server, the embedded equipment is further used for obtaining second registration information from the DNS server after receiving the second test request, sending second test data in a specific format to the DNS server after obtaining the second registration information, the DNS server analyzes the received second test data in the specific format and sends the second test data to the PC management machine, and the PC management machine detects whether the second test request corresponds to the second test data after receiving the second test data.
2. The test system of claim 1, wherein the first registration information includes LAN IP address and port information of the embedded device;
the second registration information includes a LAN IP address and port information of the PC manager.
3. The test system of claim 1, wherein the test system further comprises a HUB, the second router communicatively coupled to the DNS server via the HUB; and/or the presence of a gas in the gas,
the embedded equipment and the PC management machine are in communication connection with the first router in a wired or wireless mode.
4. The test system according to any one of claims 1 to 3, wherein a first communication password is set on the first router, and the embedded device and the PC manager access into the first local area network through the first communication password;
a second communication password is set on the second router, and the first router is accessed into the second local area network through the second communication password;
and a third communication password is set on the DNS server, and the second router is in communication connection with the DNS server through the third communication password.
5. A test method for simulating a wide area network environment, the test method being implemented by the test system of claim 1, the test method comprising the steps of:
S1the first router establishes a first local area network, the second router establishes a second local area network, the embedded equipment and the PC manager are both accessed into the first local area network, and the first router is accessed into the second local area network;
setting WAN IP addresses of the second router and the DNS server respectively, and enabling the second router and the DNS server to be in the same network segment;
S2for the embedded equipment and the PC, testing data communication between the managers;
step S2Includes a step S21And step S22Said step S22Is a step S221Or S222；
S21The embedded equipment is used for sending first registration information to the DNS server through the first router and the second router, and the PC manager is used for sending second registration information to the DNS server through the first router and the second router;
S221the embedded equipment sends a first test request to the PC management machine through the DNS server, the PC management machine acquires the first registration information from the DNS server after receiving the first test request, and sends first test data in a specific format to the DNS server after acquiring the first registration information, the DNS server analyzes the received first test data in the specific format and sends the first test data to the embedded equipment, and the embedded equipment detects whether the first test request corresponds to the first test data after receiving the first test data;
S222the PC management machine sends a second test request to the embedded equipment through the DNS server, the embedded equipment acquires second registration information from the DNS server after receiving the second test request, and sends second test data in a specific format to the DNS server after acquiring the second registration information, the DNS server analyzes the received second test data in the specific format and sends the second test data to the PC management machine, and the PC management machine detects whether the second test request corresponds to the second test data after receiving the second test data.
6. The test method of claim 5, wherein the first registration information includes a LAN IP address and port information of the embedded device;
the second registration information includes a LAN IP address and port information of the PC manager.
7. The testing method of claim 5, wherein the testing system further comprises a HUB, the second router communicatively coupled to the DNS server via the HUB; and/or the presence of a gas in the gas,
the embedded equipment and the PC management machine are in communication connection with the first router in a wired or wireless mode.
8. The test method according to any one of claims 5 to 7, wherein a first communication password is set on the first router, and the embedded device and the PC manager access into the first local area network through the first communication password;
a second communication password is set on the second router, and the first router is accessed into the second local area network through the second communication password;
and a third communication password is set on the DNS server, and the second router is in communication connection with the DNS server through the third communication password.
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CN201226522Y (en) * 2008-03-14 2009-04-22 中国工商银行股份有限公司 Network analogy system for software test environment
CN104717109A (en) * 2015-04-02 2015-06-17 迈普通信技术股份有限公司 Simulation testing method and system for wide area network links

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