CN108270641B - Method and device for testing performance of heaven and earth integrated information network - Google Patents

Method and device for testing performance of heaven and earth integrated information network Download PDF

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CN108270641B
CN108270641B CN201711214147.0A CN201711214147A CN108270641B CN 108270641 B CN108270641 B CN 108270641B CN 201711214147 A CN201711214147 A CN 201711214147A CN 108270641 B CN108270641 B CN 108270641B
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data
network
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CN108270641A (en
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陈健军
王鹏
史琰
戴庆龙
李国栋
杨慧杰
杨磊
刘娜
徐天琪
何宇航
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Electronic Science Research Institute of CTEC
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    • 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
    • H04L43/0852—Delays
    • 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
    • H04L43/0876—Network utilisation, e.g. volume of load or congestion level
    • H04L43/0888—Throughput
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/24—Negotiation of communication capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/08—Protocols for interworking; Protocol conversion

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Computer Security & Cryptography (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Computer And Data Communications (AREA)

Abstract

The invention provides a method and a device for testing the performance of a heaven and earth integrated information network, wherein the method comprises the following steps: selecting a sky-based backbone node and a foundation backbone node with the largest distance, sending data complying with a first preset protocol to the sky-based backbone node of the heaven-earth integrated information network by preset network testing equipment, receiving the data complying with a second preset protocol transmitted by the heaven-earth integrated information network and output by the foundation backbone node by the equipment, and determining the network performance of the heaven-earth integrated information network according to input and output data by the equipment, wherein the network performance comprises one of the following: data transmission capability, protocol conversion capability, protocol support capability. The method can test the network performance of the integrated information network based on different protocols, and can also test the network performance under the condition of adopting different links to transmit data, thereby solving the problems in the prior art.

Description

Method and device for testing performance of heaven and earth integrated information network
Technical Field
The invention relates to the technical field of communication, in particular to a method and a device for testing the performance of a heaven and earth integrated information network.
Background
The space-ground integrated information network takes a synchronous orbit earth satellite and a stratospheric airship or balloon which are static relative to the ground as a backbone network, and a medium-low orbit satellite, an airplane, a ground base station and the like as access layer nodes or terminals to access the backbone network, so that interconnection and intercommunication of a space-based backbone network, a space-based access network, a foundation backbone network, a ground internet and a mobile communication network are realized, and better communication guarantee is provided for various space tasks upwards and downwards.
The heaven and earth integrated information network is susceptible to the influence of factors such as space propagation environment, network setting and the like, and has a significant difference from a ground network, specifically as follows: (1) specificity of spatial transmission conditions: the space nodes are far away from each other, the channel quality is poor, the link usually has the characteristics of large transmission delay, high interruption probability, asymmetry and the like, and the transmission loss and the delay obviously exceed those of a ground network; (2) the particularity of spatial node networking is as follows: the spatial node arrangement is restricted by factors such as operation tracks, the node height, distribution and network topology structure are in a dynamic change state, and the difference from a ground network is obvious; (3) the system composition and management are special, the system is composed of a large number of special systems and special networks, the unified standard is lacked, heterogeneous networks of different management domains are difficult to interconnect and intercommunicate, and node resources are difficult to cooperate. Therefore, mature technologies in the ground network, such as networking technologies, network testing technologies, etc., are difficult to be directly applied to the world-wide integrated information network.
The existing method for testing the performance of the heaven and earth integrated information network does not test the communication capability of the heaven and earth integrated information network based on different protocols, and does not consider the communication capability test under the condition of adopting different links of the heaven and earth integrated information network to carry out data transmission.
Disclosure of Invention
The invention provides a method and a device for testing the performance of a heaven and earth integrated information network, which are used for solving the following problems in the prior art: the existing method for testing the performance of the heaven and earth integrated information network does not test the communication capability of the heaven and earth integrated information network based on different protocols, and does not consider the communication capability test under the condition of adopting different links of the heaven and earth integrated information network to carry out data transmission.
In order to solve the above technical problem, the present invention provides a method for testing the performance of a space-ground integrated network, comprising: the method comprises the steps that a predetermined network testing device sends input data complying with a first predetermined protocol to a predetermined sky-based backbone node of a heaven-earth integrated information network; the predetermined network testing equipment receives output data of a predetermined foundation backbone node complying with a second predetermined protocol, wherein the output data is data transmitted by the heaven-earth integrated information network; the predetermined network test equipment determines the network performance of the heaven-earth integrated information network according to the input data and the output data, wherein the network performance comprises one of the following: data transmission capability, protocol conversion capability, protocol support capability; the preset sky-ground integrated information network comprises a plurality of sky-ground integrated information networks, wherein the preset sky-ground backbone nodes are the sky-ground backbone nodes and the foundation backbone nodes with the largest distance among distances between all the sky-ground backbone nodes and all the foundation backbone nodes in the sky-ground integrated information network.
Optionally, when the first predetermined protocol and the second predetermined protocol are both IPv6 protocols, the determining, by the predetermined network test device, the network performance of the integrated sky-ground information network according to the input data and the output data includes: when the heaven and earth integrated information network is connected in a preset mode, the preset network testing equipment determines the throughput and the first time delay of the transmission process according to the input data and the output data; the predetermined network test equipment determines the data transmission capacity when the heaven and earth integrated information network is connected according to a predetermined mode according to the throughput and the first time delay; when the heaven and earth integrated information network is disconnected in a preset mode on the basis of the connection in the preset mode, the preset network testing equipment determines the throughput and the second time delay of the transmission process according to the input data and the output data; and the predetermined network test equipment determines the data transmission capacity when the heaven and earth integrated information network is disconnected according to a predetermined mode according to the throughput and the second time delay.
Optionally, in a case that the first predetermined protocol is an IPv6 protocol and the second predetermined protocol is an IPv4 protocol, the determining, by the predetermined network testing device, the network performance of the heaven-earth integration information network according to the input data and the output data includes: the predetermined network test equipment determines a packet loss rate and a second time delay in a transmission process according to the input data and the output data, and determines a difference value between the second time delay and the first time delay; the predetermined network testing equipment determines the protocol conversion capability of the space-ground integrated information network for converting the IPv6 protocol data into the IPv4 protocol data according to the packet loss rate and the difference time delay of the second time delay and the first time delay; in the case that the first predetermined protocol is an IPv4 protocol and the second predetermined protocol is an IPv6 protocol, the determining, by the predetermined network test device, the network performance of the heaven-earth integration information network according to the input data and the output data includes: the predetermined network test equipment determines a packet loss rate and a third time delay in a transmission process according to the input data and the output data, and determines a difference value between the third time delay and the first time delay; the predetermined network testing equipment determines the protocol conversion capability of the heaven-earth integration information network for converting IPv4 protocol data into IPv6 protocol data according to the packet loss rate and the difference value of the third time delay and the first time delay; in the case that the first predetermined protocol is an IPv4 protocol and the second predetermined protocol is an IPv4 protocol, the determining, by the predetermined network test device, the network performance of the heaven-earth integration information network according to the input data and the output data includes: the predetermined network test equipment determines the packet loss rate and the fourth time delay in the transmission process according to the input data and the output data, and determines the difference value between the fourth time delay and the first time delay; and the predetermined network testing equipment determines the protocol conversion capability of the space-ground integrated information network for converting the IPv4 protocol data into the IPv6 protocol data and then converting the IPv6 protocol data into the IPv4 protocol data according to the packet loss rate and the difference value of the fourth time delay and the first time delay.
Optionally, when the first predetermined protocol and the second predetermined protocol are both internet bearer language, voIP, protocols, the determining, by the predetermined network testing device, the network performance of the integrated sky-ground information network according to the input data and the output data includes: the predetermined network test equipment determines the throughput and the average opinion value in the transmission process according to the input data and the output data; the predetermined network test device determines a protocol support capability of the heaven and earth integrated information network according to the throughput and the Mean Opinion Score (MOS) value.
Optionally, when the first predetermined protocol and the second predetermined protocol are both hypertext transfer http protocols, the determining, by the predetermined network test device, the network performance of the integrated sky-ground information network according to the input data and the output data includes: the predetermined network test equipment determines the throughput and the transmission response time of the transmission process according to the input data and the output data; and the predetermined network test equipment determines the protocol support capability of the heaven and earth integrated information network according to the throughput and the transmission response time.
In addition, in order to achieve the above object, the present invention further provides a device for testing the performance of a space-ground integrated information network, comprising: the system comprises a sending module, a receiving module and a sending module, wherein the sending module is used for sending input data complying with a first predetermined protocol to a predetermined heaven-based backbone node of a heaven-earth integrated information network; the receiving module is used for receiving output data of a preset foundation backbone node complying with a second preset protocol, and the output data is data transmitted by the heaven-earth integrated information network; a determining module, configured to determine a network performance of the heaven-earth integrated information network according to the input data and the output data, where the network performance includes one of: data transmission capability, protocol conversion capability, protocol support capability; the preset sky-ground integrated information network comprises a plurality of sky-ground integrated information networks, wherein the preset sky-ground backbone nodes are the sky-ground backbone nodes and the foundation backbone nodes with the largest distance among distances between all the sky-ground backbone nodes and all the foundation backbone nodes in the sky-ground integrated information network.
Optionally, the determining module is specifically configured to: under the condition that the first predetermined protocol and the second predetermined protocol are both IPv6 protocols, when the heaven-earth integrated information network is connected in a predetermined mode, determining the throughput and the first time delay of the transmission process according to the input data and the output data;
the predetermined network test equipment determines the data transmission capacity when the heaven and earth integrated information network is connected according to a predetermined mode according to the throughput and the first time delay; when the heaven and earth integrated information network is disconnected in a preset mode on the basis of the connection in the preset mode, the preset network testing equipment determines the throughput and the second time delay of the transmission process according to the input data and the output data; and the predetermined network test equipment determines the data transmission capacity when the heaven and earth integrated information network is disconnected according to a predetermined mode according to the throughput and the second time delay.
Optionally, the determining module is specifically further configured to: in the case that the first predetermined protocol is an IPv6 protocol and the second predetermined protocol is an IPv4 protocol, determining the network performance of the heaven-earth integrated information network according to the input data and the output data includes: determining a packet loss rate and a second time delay in a transmission process according to the input data and the output data, and determining a difference value between the second time delay and the first time delay; determining the protocol conversion capability of the space-ground integrated information network for converting IPv6 protocol data into IPv4 protocol data according to the packet loss rate and the difference value between the second time delay and the first time delay; in the case that the first predetermined protocol is an IPv4 protocol and the second predetermined protocol is an IPv6 protocol, determining the network performance of the heaven-earth integrated information network according to the input data and the output data includes: determining a packet loss rate and a third time delay in a transmission process according to the input data and the output data, and determining a difference value between the third time delay and the first time delay; determining the protocol conversion capability of the space-ground integrated information network for converting IPv4 protocol data into IPv6 protocol data according to the packet loss rate and the difference value between the third time delay and the first time delay; in the case that the first predetermined protocol is an IPv4 protocol and the second predetermined protocol is an IPv4 protocol, determining the network performance of the heaven-earth integrated information network according to the input data and the output data includes: determining a packet loss rate and a fourth time delay in a transmission process according to the input data and the output data, and determining a difference value between the fourth time delay and the first time delay; and determining the protocol conversion capability of the space-ground integrated information network for converting the IPv4 protocol data into the IPv6 protocol data and then converting the IPv 3578 protocol data into the IPv4 protocol data according to the packet loss rate and the difference value of the fourth time delay and the first time delay.
Optionally, the determining module is specifically configured to: under the condition that the first predetermined protocol and the second predetermined protocol are both the VoIP protocol, determining the throughput and the MOS value in the transmission process according to the input data and the output data; and determining the protocol support capability of the heaven and earth integrated information network according to the throughput and the MOS value.
Optionally, the determining module is specifically configured to: under the condition that the first predetermined protocol and the second predetermined protocol are both hypertext transfer http protocols, determining the throughput and the transmission response time of a transmission process according to the input data and the output data; and determining the protocol support capability of the integrated information network according to the throughput and the transmission response time.
The invention provides a method for testing the performance of a heaven-earth integrated information network, which selects a heaven-earth basic backbone node and a foundation backbone node with the largest distance, a preset network test device sends data complying with a first protocol to one heaven-earth basic backbone node of the heaven-earth integrated information network, the device receives the data complying with a second protocol which is transmitted by the heaven-earth integrated information network and output by one foundation backbone node, the device determines the network performance of the heaven-earth integrated information network according to input and output data, and the network performance comprises one of the following: data transmission capability, protocol conversion capability, protocol support capability. The method can test the network performance of the space-ground integrated information network based on different protocols, and can also test the network performance under the condition that the space-ground integrated information network adopts different links to transmit data. The following problems in the prior art are solved: the existing method for testing the performance of the heaven and earth integrated information network does not test the communication capability of the heaven and earth integrated information network based on different protocols, and does not consider the communication capability test under the condition of adopting different links of the heaven and earth integrated information network to carry out data transmission.
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FIG. 1 is a flow chart of a method for testing a heaven and earth integrated information network according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a testing apparatus of a heaven and earth integrated information network according to a second embodiment of the present invention;
FIG. 3 is a topological diagram of a heaven and earth integrated information network in a third embodiment of the present invention;
FIG. 4 is a flowchart of a method for testing a heaven and earth integrated information network according to a third embodiment of the present invention;
fig. 5 is a schematic diagram of a data transmission capability test according to a third embodiment of the present invention;
FIG. 6 is a schematic illustration of a first case test of partial link disconnection in a third embodiment of the present invention;
FIG. 7 is a schematic illustration of a second scenario test with a broken partial link according to a third embodiment of the present invention;
FIG. 8 is a diagram illustrating a first case test in protocol conversion capability according to a third embodiment of the present invention;
FIG. 9 is a diagram illustrating a second case test in protocol conversion capability according to a third embodiment of the present invention;
FIG. 10 is a diagram illustrating a third scenario test in protocol conversion capability according to a third embodiment of the present invention;
fig. 11 is a diagram illustrating a protocol support capability test according to a third embodiment of the present invention.
Detailed Description
In order to solve the following problems in the prior art: the existing method for testing the performance of the heaven and earth integrated information network does not test the communication capability of the heaven and earth integrated information network based on different protocols, and does not consider the communication capability test under the condition of adopting different links of the heaven and earth integrated information network to carry out data transmission. The first embodiment of the present invention provides a method for testing the performance of a heaven-earth integrated information network, the flowchart of the method is shown in fig. 1, and the method includes steps S102 to S106:
s102, the predetermined network testing equipment sends input data complying with a first predetermined protocol to a predetermined heaven-base backbone node of the heaven-earth integrated information network.
In this embodiment, a network test device and one space-based backbone node and one ground-based backbone node of the integrated information network are connected, the network test device sends data to a selected space-based backbone node, the sent data complies with a first predetermined protocol, and the sent data may be in the form of a data packet with a certain frame length, the frame length may be 64 bytes, 128 bytes, 256 bytes, 1024 bytes, 1518 bytes, and the like, or the data packet may be a mixed data packet formed by mixing the data with the frame length according to a certain proportion, and in this embodiment, the mixed data packet is selected. In addition, when testing is carried out, a day-ground backbone node and a foundation backbone node which are farthest away in the day-ground integrated information network are selected in advance, namely, the performance of the day-ground integrated information network is tested under the most adverse condition, the performance of the day-ground integrated information network is represented, the selection of the two nodes can be dynamically adjusted, and different data transmission links are formed in the day-ground integrated information network.
And S104, receiving output data of the predetermined foundation backbone nodes complying with the second predetermined protocol by the predetermined network testing equipment, wherein the output data is data transmitted by the heaven-earth integrated information network.
After data sent by the network test equipment is transmitted through the heaven-earth integrated information network, the specified foundation backbone node is used as a data output end, the network test equipment receives the data output by the heaven-earth integrated information network, and the received data complies with a second predetermined protocol, which may be the same as or different from the protocol followed by the data sent by the network test equipment. And, a specific path of transmission of data in the heaven-earth integrated network is not limited.
And S106, the predetermined network testing equipment determines the network performance of the heaven-earth integrated information network according to the input data and the output data.
After receiving data output by a specified foundation node of the heaven-earth integrated information network, the network test equipment will test specific parameters of the input data and the output data, and determine the network performance of the heaven-earth integrated information network according to the comparison between the input data and the output data, in this embodiment, the network performance includes one of the following: data transmission capability, protocol conversion capability, protocol support capability.
The method for testing the performance of the heaven-earth integrated information network provided by the embodiment includes the steps that a heaven-earth base backbone node and a foundation backbone node with the largest distance are selected, predetermined network testing equipment sends data complying with a first protocol to one heaven-earth base backbone node of the heaven-earth integrated information network, the equipment receives data complying with a second protocol, the data are transmitted through the heaven-earth integrated information network and output by the foundation backbone node, the equipment determines the network performance of the heaven-earth integrated information network according to input and output data, and the network performance includes one of the following: data transmission capability, protocol conversion capability, protocol support capability. The method can test the network performance of the space-ground integrated information network based on different protocols, and can also test the network performance under the condition that the space-ground integrated information network adopts different links to transmit data. The following problems in the prior art are solved: the existing method for testing the performance of the heaven and earth integrated information network does not test the communication capability of the heaven and earth integrated information network based on different protocols, and does not consider the communication capability test under the condition of adopting different links of the heaven and earth integrated information network to carry out data transmission.
In the specific implementation, if the first predetermined protocol and the second predetermined protocol are both IPv6 protocols, the testing the network performance of the integrated information network specifically includes: the preset network test equipment tests input data and output data of the integrated information network to determine the throughput and the time delay of the transmission process, and determines the data transmission capability of the integrated information network according to the throughput and the time delay. In fact, data is transmitted between nodes in the heaven and earth integrated information network, which is mainly based on the IPv6 protocol, and if both input data and output data are data complying with the IPv6 protocol, the network performance of the heaven and earth integrated information network tested by the network testing equipment is referred to as data transmission capability in this embodiment. Wherein, the throughput refers to: the maximum transmission rate of the hybrid data packet transmitted by the heaven and earth integrated information network can be realized under the condition of no packet loss; the time delay means: and the time for the mixed data packet to be input from the specified space-based backbone node to be output from the specified ground-based backbone node.
In addition, if the input data complies with the IPv4 protocol or the IPv6 protocol and the output data complies with the IPv4 protocol or the IPv6 protocol, then testing the network performance of the heaven-earth integrated information network specifically means: the network testing equipment determines the packet loss rate and the time delay of the transmission process according to the input data and the output data of the integrated information network, and the equipment determines the protocol conversion capability of the integrated information network according to the packet loss rate and the time delay. Wherein, the packet loss rate is: the ratio of the number of incomplete data packets in the output data to the number of data packets in the input data; the time delay means: and the time for the mixed data packet to be input from the specified space-based backbone node to be output from the specified ground-based backbone node.
During specific implementation, the test of the protocol conversion capability of the heaven-earth integrated information network specifically includes the following three conditions:
1. the network testing equipment inputs data complying with an IPv4 protocol to the heaven-earth integrated information network, the heaven-earth base backbone node firstly converts the input data into data complying with an IPv6 protocol, then transmits the converted data through the heaven-earth integrated information network, the heaven-earth integrated information network received by the network testing equipment outputs data complying with an IPv6 protocol, the network testing equipment determines the packet loss rate and the time delay of the data transmission process according to the input data and the output data, and determines the capability of the heaven-earth integrated network for converting the data complying with the IPv4 protocol into the IPv6 data for transmission according to the packet loss rate and the time delay.
2. The data input by the network testing equipment to the heaven-earth integrated information network complies with an IPv6 protocol, the data are transmitted through the heaven-earth integrated information network, the data are converted into data complying with an IPv4 protocol by a foundation backbone node which outputs the data, the data complying with an IPv4 protocol and output by the heaven-earth integrated information network are received by the network testing equipment, the packet loss rate and the time delay of the data transmission process are determined by the network testing equipment according to the input data and the output data, and the capability of the heaven-earth integrated network for converting the data complying with the IPv6 protocol into the IPv4 data for transmission is determined according to the packet loss rate and the time delay.
3. The data input to the heaven-earth integrated information network by the network testing equipment complies with an IPv4 protocol, the heaven-earth base backbone node firstly converts the input data into data in an IPv6 protocol, then transmits the converted data through the heaven-earth integrated information network, converts the data into data in compliance with an IPv4 protocol at the earth base backbone node outputting the data, receives the data in compliance with an IPv4 protocol output by the heaven-earth integrated information network and received by the network testing equipment, determines the packet loss rate and the time delay of the data transmission process according to the input data and the output data, and determines the capability of the heaven-earth integrated network converting the data in the IPv4 protocol into the IPv6 data and then converting the data into the IPv4 data for transmission according to the packet loss rate and the time delay.
In addition, the embodiment also tests the network performance when the heaven-earth integrated information network transmits data complying with a specific application protocol, and in the embodiment, the protocol support capability of the heaven-earth integrated information network specifically includes:
1. under the condition that the first predetermined Protocol and the second predetermined Protocol are both Voice over Internet Protocol (VoIP) protocols, the predetermined network test equipment determines the throughput and the average opinion value in the transmission process according to input data and output data, and the equipment determines the Protocol support capability of the heaven-earth integrated information network according to the throughput and the average opinion value. Wherein, the throughput refers to: the maximum transmission rate of a mixed data packet which is transmitted by a world-wide integrated information network and conforms to a VoIP protocol can be realized under the condition of no packet loss; the MOS value is: subjective opinion score for speech quality.
2. Under the condition that the first predetermined Protocol and the second predetermined Protocol are both HyperText Transfer Protocol (http), the predetermined network test equipment determines the throughput and the transmission response time of the transmission process according to input data and output data, and the equipment determines the Protocol support capability of the integrated information network. Wherein, the throughput refers to: the maximum transmission rate of the hybrid data packet transmitted by the heaven and earth integrated information network can be realized under the condition of no packet loss; the transmission response time refers to: the time taken by the network test device to transmit data compliant with the http protocol to receive data compliant with the http protocol is predetermined.
In this embodiment, the network test device is connected to the designated space-based node and the ground-based node of the integrated information network, and the data transmission capability, the protocol conversion capability, and the protocol support capability of the integrated information network are respectively tested according to different situations, and the network performance of the integrated information network is represented by the three capabilities.
A second embodiment of the present invention provides a testing apparatus for a space-ground integrated information network, a schematic structural diagram of the apparatus is shown in fig. 2, and the apparatus includes: a sending module 10, configured to send input data complying with a first predetermined protocol to a predetermined heaven-base backbone node of the heaven-earth integrated information network; a receiving module 20, coupled to the sending module 10, configured to receive output data of a predetermined foundation backbone node complying with a second predetermined protocol, where the output data is data transmitted through the integrated information network; a determining module 30, coupled to the receiving module 20, for determining a network performance of the heaven-earth integrated information network according to the input data and the output data, wherein the network performance includes one of: data transmission capability, protocol conversion capability, protocol support capability. In addition, in this embodiment, a sky-based backbone node and a foundation backbone node that are farthest from each other in the information network integrated in the sky and the earth are selected in advance, that is, the network performance of the information network integrated in the sky and the earth is tested by using the testing apparatus of this embodiment under the worst condition, and the selection of the two nodes can be adjusted according to the actual situation, and the transmission link of the data in the information network integrated in the sky and the earth is determined according to the actual situation.
In this embodiment, the sending module sends data to the selected space-based backbone node, the sent data complies with the first predetermined protocol, and the sent data may be in the form of a data packet composed of data with a certain frame length, where the frame length may be 64 bytes, 128 bytes, 256 bytes, 1024 bytes, 1518 bytes, and the like, and the data packet may also be a mixed data packet composed of data with the frame length mixed according to a certain proportion.
After the data sent by the sending module is transmitted through the heaven-earth integrated information network, the designated foundation backbone node is used as a data output end, the data output by the heaven-earth integrated information network is received by the receiving module, and the received data complies with a second predetermined protocol, which may be the same as or different from the protocol followed by the data sent by the network testing equipment.
After the receiving module receives data output by a specified foundation node of the heaven-earth integrated information network, the determining module may determine the network performance of the heaven-earth integrated information network according to the input data and the output data, where the network performance includes one of the following: data transmission capability, protocol conversion capability, protocol support capability.
In a specific implementation, if the first predetermined protocol and the second predetermined protocol are both IPv6 protocols, the determining module in the testing apparatus is specifically configured to:
and determining the throughput and the time delay of the transmission process according to the input data and the output data of the integrated information network, and determining the data transmission capability of the integrated information network according to the throughput and the time delay. In fact, data transmitted between nodes in the heaven and earth integrated information network is mainly based on the IPv6 protocol, and if both input data and output data are data complying with the IPv6 protocol, the network performance of the heaven and earth integrated information network determined by the determination module is specifically referred to as data transmission capability in this embodiment. Wherein, the throughput refers to: the maximum transmission rate of the hybrid data packet transmitted by the heaven and earth integrated information network can be realized under the condition of no packet loss; the time delay means: the time for the hybrid data packet to be input from the designated space-based backbone node to be output from the designated ground-based backbone node.
Considering that the upgrading of the internet protocol from the IPv4 protocol to the IPv6 protocol is a long-term process in practical application, the present embodiment tests the protocol conversion capability of the integrated information network, so that the testing apparatus of the present embodiment is suitable for practical application. In this embodiment, if the input data is data complying with the IPv4 protocol or the IPv6 protocol, and the output data is data complying with the IPv4 protocol or the IPv6 protocol, the determining module is specifically configured to: and determining the packet loss rate and the time delay in the transmission process according to the input data and the output data of the integrated information network, and determining the protocol conversion capability of the integrated information network according to the packet loss rate and the time delay. Wherein, the packet loss rate is: the ratio of the number of incomplete data packets in the output data to the number of data packets in the input data; the time delay means: and the time for the mixed data packet to be input from the specified space-based backbone node to be output from the specified ground-based backbone node.
During specific implementation, the test of the protocol conversion capability of the heaven-earth integrated information network specifically includes the following three conditions:
1. the method comprises the steps that a sending module inputs data complying with an IPv4 protocol to a heaven-earth integrated information network, a sky-based backbone node firstly converts the input data into data complying with an IPv6 protocol, then the converted data are transmitted through the heaven-earth integrated information network, the heaven-earth integrated information network received by a receiving module outputs data complying with an IPv6 protocol, a determining module determines packet loss rate and time delay according to the input data and the output data, and determines protocol conversion capability of the heaven-earth integrated information network for converting the data complying with the IPv4 protocol into the data complying with the IPv6 protocol according to the packet loss rate and the time delay.
2. The data input to the heaven and earth integrated information network by the sending module conforms to an IPv6 protocol, the data are transmitted through the heaven and earth integrated information network, the data are converted into data conforming to an IPv4 protocol by a foundation backbone node outputting the data, the data conforming to an IPv4 protocol output by the heaven and earth integrated information network are received by the receiving module, the packet loss rate and the time delay are determined by the determining module according to the input data and the output data, and the protocol conversion capability of the heaven and earth integrated information network for converting the data conforming to the IPv6 protocol into the data conforming to the IPv4 protocol is determined according to the packet loss rate and the time delay.
3. The data input by the sending module to the heaven-earth integrated information network obeys an IPv4 protocol, the heaven-base backbone node firstly converts the input data into IPv6 data, then transmits the converted data through the heaven-earth integrated information network, the data output by the heaven-earth integrated information network and received by the receiving module obeys an IPv6 protocol, the determining module determines packet loss rate and time delay according to the input data and the output data, and determines the protocol conversion capability of the heaven-earth integrated information network to convert the data obeying the IPv4 protocol into the data obeying the IPv6 protocol and then convert the data into the data complying with the IPv4 protocol according to the packet loss rate and the time delay.
In addition, the testing apparatus of this embodiment also tests the network performance when the information network integrated with heaven and earth transmits data complying with the specific application protocol, that is, the determining module may also be configured to determine the protocol support capability of the information network integrated with heaven and earth, and specifically includes:
1. under the condition that the first predetermined Protocol and the second predetermined Protocol are both Voice over Internet Protocol (VoIP) protocols, the determining module determines the throughput and the MOS value in the transmission process according to the input data and the output data, and determines the support capability of the heaven and earth integrated information network for the VoIP Protocol. Wherein, the throughput refers to: the maximum transmission rate of a mixed data packet which is transmitted by a world-wide integrated information network and conforms to a VoIP protocol can be realized under the condition of no packet loss; the MOS value is: subjective opinion score for speech quality.
2. Under the condition that the first predetermined Protocol and the second predetermined Protocol are both HyperText Transfer Protocol (http), the determining module determines the throughput and the transmission response time of the transmission process according to the input data and the output data, and determines the support capability of the heaven-earth integrated information network to the http. Wherein, the throughput refers to: the maximum transmission rate of the hybrid data packet transmitted by the heaven and earth integrated information network can be realized under the condition of no packet loss; the transmission response time refers to: the time taken by the network test device to transmit data compliant with the http protocol to receive data compliant with the http protocol is predetermined.
The testing device for the performance of the heaven-earth integrated information network provided by the embodiment selects the heaven-earth base backbone node and the foundation backbone node with the largest distance, the sending module sends data complying with the first protocol to the appointed heaven-earth base backbone node of the heaven-earth integrated information network, the receiving module receives the data complying with the second protocol, which is transmitted by the heaven-earth integrated information network and output by the appointed foundation backbone node, and the determining module determines the network performance of the heaven-earth integrated information network according to the input and output data, wherein the network performance comprises one of the following: data transmission capability, protocol conversion capability, protocol support capability. The device can test the network performance of the space-ground integrated information network based on different protocols, and can also test the network performance under the condition of adopting different links of the space-ground integrated information network to transmit data. The following problems in the prior art are solved: the existing device for testing the performance of the heaven and earth integrated information network does not test the communication capability of the heaven and earth integrated information network based on different protocols, and does not consider the communication capability test under the condition of adopting different links of the heaven and earth integrated information network to carry out data transmission.
A topology diagram of the heaven-earth integrated information network in the embodiment is shown in fig. 3, and includes three heaven-earth basic backbone nodes S1, S2, and S3 and three ground-based backbone nodes G1, G2, and G3, and the nodes are connected in the manner shown in fig. 3, so that intersection is avoided during connection. In this embodiment, for convenience of explaining the technical scheme, three space-based backbone nodes and three foundation backbone nodes are selected, and during specific implementation, the number of the space-based backbone nodes and the number of the foundation backbone nodes may be selected according to actual situations. In this embodiment, the flowchart of the method is shown in fig. 4, and includes steps S402 to S406:
s402, the network testing equipment sends input data complying with a first preset protocol to a specified space-based backbone node of the space-ground integrated information network.
In this embodiment, the network test device and one sky-based backbone node and one foundation backbone node of the information network integrated with the sky and the earth are respectively connected, specifically, as shown in fig. 5, the network test device is respectively connected to the sky-based backbone node S1 and the foundation backbone node G1, and the distance between the S1 node and the G1 node is the two nodes farthest from the information network integrated with the sky and the earth, that is, the performance of the information network integrated with the sky and the earth is tested under the most unfavorable condition, so as to characterize the performance of the information network integrated with the sky and the earth. The network test equipment sends data to the selected space-based backbone node, the sent data complies with the first predetermined protocol, and the sent data can be in the form of a data packet with a certain frame length, the frame length can be 64 bytes, 128 bytes, 256 bytes, 1024 bytes, 1518 bytes and the like, the data packet can also be a mixed data packet formed by mixing the data with the frame length according to a certain proportion, and the mixed data packet is selected in the embodiment.
S404, the network test equipment receives output data of the preset foundation backbone node complying with a second preset protocol, and the output data is data transmitted through the heaven-earth integrated information network.
After data sent by the network test equipment is transmitted through the heaven-earth integrated information network, the specified foundation backbone node is used as a data output end, the network test equipment receives the data output by the heaven-earth integrated information network, and the received data complies with a second predetermined protocol, which may be the same as or different from the protocol followed by the data sent by the network test equipment. And the specific path of data transmission in the heaven-earth integrated network is not limited and is determined according to the actual situation.
S406, the network test equipment determines the network performance of the heaven-earth integrated information network according to the input data and the output data.
After receiving data output by a specified foundation node of the heaven-earth integrated information network, the network test equipment will test specific parameters of the input data and the output data, and determine the network performance of the heaven-earth integrated information network according to the comparison between the input data and the output data, in this embodiment, the network performance includes one of the following: data transmission capability, protocol conversion capability, protocol support capability.
Fig. 5 shows a schematic diagram of a test principle of data transmission capability, where an a port of a network test device is connected to a designated ground-based backbone node, and a B port of the network test device is connected to a designated ground-based backbone node. If the first predetermined protocol and the second predetermined protocol are both IPv6 protocols, the step of testing the network performance of the integrated information network by the network testing device specifically includes: the equipment tests input data and output data of the integrated information network to determine the throughput and time delay of the transmission process, determines the data transmission capability of the integrated information network according to the throughput and time delay, and records the measured time delay as t0. In fact, data is transmitted between nodes in the heaven and earth integrated information network, which is mainly based on the IPv6 protocol, and if both input data and output data are data complying with the IPv6 protocol, the network performance of the heaven and earth integrated information network tested by the network testing equipment is referred to as data transmission capability in this embodiment. Wherein, the throughput refers to: the maximum transmission rate of the hybrid data packet transmitted by the heaven and earth integrated information network can be realized under the condition of no packet loss; the time delay means: and the time for the mixed data packet to be input from the specified space-based backbone node to be output from the specified ground-based backbone node. In addition, if the packet loss occurs in the transmission process, the heaven and earth integration information network is considered not to support communication based on the IPv6 protocol.
In addition, in the case that the first predetermined protocol and the second predetermined protocol are both IPv6 protocols, the embodiment further performs a test on data transmission capability when a link of the space-ground integrated information network part is disconnected, specifically including:
a first test diagram of a case of disconnecting a partial link is shown in fig. 6, in which links between S1-S2-G2-G1 are disconnected, and a network test device tests data transmission capability of a heaven-earth integrated information network in this case, and also determines throughput and delay according to input data and output data, and determines data transmission capability when a partial link is disconnected according to the throughput and the delay.
Fig. 7 shows a second example of a situation where a partial link is disconnected, in which links S1-S3-G3-G1 in the heaven-earth integrated information network are disconnected, and the network test equipment tests the data transmission capability of the heaven-earth integrated information network in this case, determines the throughput and the delay according to the input data and the output data, and determines the data transmission capability when the partial link is disconnected according to the throughput and the delay, where the meanings of the throughput and the delay are the same as those of the throughput and the delay in the first embodiment. In specific implementation, the two disconnection modes are not limited, and other modes can be adopted to disconnect the link according to the specific composition condition of the integrated information network.
In addition, if the input data complies with the IPv4 protocol or the IPv6 protocol and the output data complies with the IPv4 protocol or the IPv6 protocol, then testing the network performance of the heaven-earth integrated information network specifically means: the network testing equipment determines the packet loss rate and the time delay of the transmission process according to the input data and the output data of the integrated information network, and the equipment determines the protocol conversion capability of the integrated information network according to the packet loss rate and the time delay. The meanings of the packet loss rate and the time delay are the same as those of the first embodiment. In specific implementation, the data transmission rate is set to xMbps, and the value of x is smaller than the bandwidth of the integrated information network.
In this embodiment, the testing of the protocol conversion capability of the heaven-earth integrated information network specifically includes the following three conditions:
1. the test diagram of the first case is shown in fig. 8, where the a port of the network test device is connected to the IPv4 port of the foundation backbone node, and the B port of the network test device is connected to the IPv6 port of the foundation backbone node. The network testing equipment inputs data complying with an IPv4 protocol to the heaven-earth integrated information network, the data is received by an IPv4 port of a sky-earth backbone node, the sky-earth backbone node firstly converts the input data into the data complying with the IPv6 protocol, then the converted data is transmitted through the heaven-earth integrated information network, the data output by an IPv6 port of a foundation backbone node received by the network testing equipment complies with the IPv6 protocol, the network testing equipment determines the packet loss rate and the time delay of the data transmission process according to the input data and the output data, and the measured time delay is marked as t1. If the packet loss rate of the above process is 0, the world is considered to beThe validity of the integrated information network for converting the IPv4 protocol data into the IPv6 protocol data is 1, and the protocol conversion time is t1-t0。
2. The test diagram of the second case is shown in fig. 9, where the a port of the network test device is connected to the IPv6 port of the foundation backbone node, and the B port of the network test device is connected to the IPv4 port of the foundation backbone node. Data input by the network testing equipment to the heaven-earth integrated information network complies with an IPv6 protocol, the data are received by an IPv6 port of a ground-based backbone node, the data are transmitted through the heaven-earth integrated information network, the ground-based backbone node outputting the data convert the data into the data complying with the IPv4 protocol, the data are output by an IPv4 port of the ground-based backbone node, the data complying with the IPv4 protocol and output by the heaven-earth integrated information network and received by the network testing equipment, the packet loss rate and the time delay of the data transmission process are determined by the network testing equipment according to the input data and the output data, and the measured time delay is marked as t2. If the packet loss rate in the process is 0, the validity that the heaven-earth integrated information network converts the IPv6 protocol data into the IPv4 protocol data is 1, and the protocol conversion time is t2-t0。
3. The test diagram of the third case is shown in fig. 10, where the a port of the network test device is connected to the IPv4 port of the foundation backbone node, and the B port of the network test device is connected to the IPv4 port of the foundation backbone node. The data input to the heaven-earth integrated information network by the network testing equipment complies with the IPv4 protocol, the data is received by an IPv4 port of a heaven-earth backbone node, the heaven-earth backbone node firstly converts the input data into data of the IPv6 protocol, then the converted data is transmitted through the heaven-earth integrated information network, the data is converted into data complying with the IPv4 protocol at a foundation backbone node for outputting the data and is output by an IPv4 port of the foundation backbone node, the data complying with the IPv4 protocol and output by the heaven-earth integrated information network and received by the network testing equipment, the packet loss rate and the time delay of the data transmission process are determined by the network testing equipment according to the input data and the output data, and the measured time delay is marked as t3. If the packet loss rate in the process is 0, the heaven-earth integrated message is considered to beThe information network converts the IPv4 protocol data into IPv6 protocol data and then converts the IPv6 protocol data into IPv4 protocol data, the validity is 1, and the protocol conversion time is t3-t0。
And the value of the data transmission rate x can be changed, and the test process corresponding to the three conditions is repeated to test the protocol support capability of the heaven-earth integrated information network for multiple times.
In addition, the embodiment also tests the network performance when the information network integrated in the sky and the earth transmits data complying with the specific application protocol, which is called the protocol support capability of the information network integrated in the sky and the earth, and specifically includes:
1. as shown in fig. 11, the network testing device is a computer, and a network testing software is installed on the computer, and the testing process is controlled by running a network testing tool software, where the software may be ixchar, or other software with a network testing function. The computer sends data complying with the VoIP protocol to the space-based backbone node, the computer receives the data complying with the VoIP protocol output by the ground-based backbone node, and the testing software installed on the computer determines the throughput and the MOS value in the transmission process according to the input data and the output data and determines the protocol support capability of the space-ground integrated information network according to the throughput and the MOS value. Wherein the meanings of the throughput and the MOS value are the same as those of both in the first embodiment.
2. In another case, if the first predetermined Protocol and the second predetermined Protocol are both HyperText Transfer Protocol (http), the computer sends data complying with the http Protocol to the foundation backbone node, the computer receives the data complying with the http Protocol output by the foundation backbone node, and the test software installed in the computer determines the throughput and the transmission response time of the transmission process according to the input data and the output data and determines the Protocol support capability of the integrated information network. Wherein the meanings of the throughput and the transmission response time are the same as those of both in the first embodiment.
The method for testing the performance of the heaven-earth integrated information network provided by the embodiment includes the steps that a heaven-earth base backbone node and a foundation backbone node with the largest distance are selected, predetermined network testing equipment sends data complying with a first protocol to one heaven-earth base backbone node of the heaven-earth integrated information network, the equipment receives data complying with a second protocol, the data are transmitted through the heaven-earth integrated information network and output by the foundation backbone node, the equipment determines the network performance of the heaven-earth integrated information network according to input and output data, and the network performance includes one of the following: data transmission capability, protocol conversion capability, protocol support capability. The method can test the network performance of the space-ground integrated information network based on different protocols, and can also test the network performance under the condition that the space-ground integrated information network adopts different links to transmit data. The following problems in the prior art are solved: the existing method for testing the performance of the heaven and earth integrated information network does not test the communication capability of the heaven and earth integrated information network based on different protocols, and does not consider the communication capability test under the condition of adopting different links of the heaven and earth integrated information network to carry out data transmission.
Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, and the scope of the invention should not be limited to the embodiments described above.

Claims (10)

1. A method for testing the performance of a heaven-earth integrated information network is characterized by comprising the following steps:
the method comprises the steps that a predetermined network testing device sends input data complying with a first predetermined protocol to a predetermined sky-based backbone node of a heaven-earth integrated information network;
the predetermined network testing equipment receives output data of a predetermined foundation backbone node complying with a second predetermined protocol, wherein the output data is data transmitted by the heaven-earth integrated information network;
the predetermined network test equipment determines the network performance of the heaven-earth integrated information network according to the input data and the output data, wherein the network performance comprises one of the following: data transmission capability, protocol conversion capability, protocol support capability;
the preset sky-ground integrated information network comprises a plurality of sky-ground integrated information networks, wherein the preset sky-ground backbone nodes are the sky-ground backbone nodes and the foundation backbone nodes with the largest distance among distances between all the sky-ground backbone nodes and all the foundation backbone nodes in the sky-ground integrated information network.
2. The testing method of claim 1, wherein in a case where the first predetermined protocol and the second predetermined protocol are both IPv6 protocols, the determining, by the predetermined network testing device, network performance of the integrated sky-ground information network based on the input data and the output data includes:
when the heaven and earth integrated information network is connected in a preset mode, the preset network testing equipment determines the throughput and the first time delay of the transmission process according to the input data and the output data;
the predetermined network test equipment determines the data transmission capacity when the heaven and earth integrated information network is connected according to a predetermined mode according to the throughput and the first time delay;
when the heaven and earth integrated information network is disconnected in a preset mode on the basis of the connection in the preset mode, the preset network testing equipment determines the throughput and the second time delay of the transmission process according to the input data and the output data;
and the predetermined network test equipment determines the data transmission capacity when the heaven and earth integrated information network is disconnected according to a predetermined mode according to the throughput and the second time delay.
3. The test method of claim 2,
in the case that the first predetermined protocol is an IPv6 protocol and the second predetermined protocol is an IPv4 protocol, the determining, by the predetermined network test device, the network performance of the heaven-earth integration information network according to the input data and the output data includes:
the predetermined network test equipment determines a packet loss rate and a third time delay in a transmission process according to the input data and the output data, and determines a difference value between the third time delay and the first time delay;
the predetermined network testing equipment determines the protocol conversion capability of the heaven-earth integration information network for converting IPv6 protocol data into IPv4 protocol data according to the packet loss rate and the difference value of the third time delay and the first time delay;
in the case that the first predetermined protocol is an IPv4 protocol and the second predetermined protocol is an IPv6 protocol, the determining, by the predetermined network test device, the network performance of the heaven-earth integration information network according to the input data and the output data includes:
the predetermined network test equipment determines the packet loss rate and the fourth time delay in the transmission process according to the input data and the output data, and determines the difference value between the fourth time delay and the first time delay;
the predetermined network testing equipment determines the protocol conversion capability of the heaven-earth integration information network for converting IPv4 protocol data into IPv6 protocol data according to the packet loss rate and the difference value of the fourth time delay and the first time delay;
in the case that the first predetermined protocol is an IPv4 protocol and the second predetermined protocol is an IPv4 protocol, the determining, by the predetermined network test device, the network performance of the heaven-earth integration information network according to the input data and the output data includes:
the predetermined network test equipment determines the packet loss rate and the fifth time delay in the transmission process according to the input data and the output data, and determines the difference value between the fifth time delay and the first time delay;
and the predetermined network testing equipment determines the protocol conversion capability of the space-ground integrated information network for converting the IPv4 protocol data into the IPv6 protocol data and then converting the IPv6 protocol data into the IPv4 protocol data according to the packet loss rate and the difference value of the fifth time delay and the first time delay.
4. The method of claim 1, wherein in a case where the first predetermined protocol and the second predetermined protocol are both voice over internet protocol (VoIP), the determining, by the predetermined network test device, network performance of the TIAN-integrated information network based on the input data and the output data comprises:
the predetermined network testing equipment determines the throughput and the average opinion MOS value in the transmission process according to the input data and the output data;
and the predetermined network testing equipment determines the protocol support capability of the heaven and earth integrated information network according to the throughput and the mean opinion MOS value.
5. The method for testing according to claim 1, wherein in a case where the first predetermined protocol and the second predetermined protocol are both hypertext transfer http protocols, the determining, by the predetermined network test device, network performance of the integrated sky-ground information network based on the input data and the output data includes:
the predetermined network test equipment determines the throughput and the transmission response time of the transmission process according to the input data and the output data;
and the predetermined network test equipment determines the protocol support capability of the heaven and earth integrated information network according to the throughput and the transmission response time.
6. A testing device for the performance of a heaven and earth integrated information network is characterized by comprising:
the system comprises a sending module, a receiving module and a sending module, wherein the sending module is used for sending input data complying with a first predetermined protocol to a predetermined heaven-based backbone node of a heaven-earth integrated information network;
the receiving module is used for receiving output data of a preset foundation backbone node complying with a second preset protocol, and the output data is data transmitted by the heaven-earth integrated information network;
a determining module, configured to determine a network performance of the heaven-earth integrated information network according to the input data and the output data, where the network performance includes one of: data transmission capability, protocol conversion capability, protocol support capability;
the preset sky-ground integrated information network comprises a plurality of sky-ground integrated information networks, wherein the preset sky-ground backbone nodes are the sky-ground backbone nodes and the foundation backbone nodes with the largest distance among distances between all the sky-ground backbone nodes and all the foundation backbone nodes in the sky-ground integrated information network.
7. The testing device of claim 6, wherein the determining module is specifically configured to:
under the condition that the first predetermined protocol and the second predetermined protocol are both IPv6 protocols, when the heaven-earth integrated information network is connected in a predetermined mode, determining the throughput and the first time delay of the transmission process according to the input data and the output data;
the predetermined network test equipment determines the data transmission capacity when the heaven and earth integrated information network is connected according to a predetermined mode according to the throughput and the first time delay;
when the heaven and earth integrated information network is disconnected in a preset mode on the basis of the connection in the preset mode, the preset network testing equipment determines the throughput and the second time delay of the transmission process according to the input data and the output data;
and the predetermined network test equipment determines the data transmission capacity when the heaven and earth integrated information network is disconnected according to a predetermined mode according to the throughput and the second time delay.
8. The testing device of claim 7, wherein the determining module is further configured to:
in the case that the first predetermined protocol is an IPv6 protocol and the second predetermined protocol is an IPv4 protocol, determining the network performance of the heaven-earth integrated information network according to the input data and the output data includes:
determining a packet loss rate and a second time delay in a transmission process according to the input data and the output data, and determining a difference value between the second time delay and the first time delay;
determining the protocol conversion capability of the space-ground integrated information network for converting IPv6 protocol data into IPv4 protocol data according to the packet loss rate and the difference value between the second time delay and the first time delay;
in the case that the first predetermined protocol is an IPv4 protocol and the second predetermined protocol is an IPv6 protocol, determining the network performance of the heaven-earth integrated information network according to the input data and the output data includes:
determining a packet loss rate and a third time delay in a transmission process according to the input data and the output data, and determining a difference value between the third time delay and the first time delay;
determining the protocol conversion capability of the space-ground integrated information network for converting IPv4 protocol data into IPv6 protocol data according to the packet loss rate and the difference value between the third time delay and the first time delay;
in the case that the first predetermined protocol is an IPv4 protocol and the second predetermined protocol is an IPv4 protocol, determining the network performance of the heaven-earth integrated information network according to the input data and the output data includes:
determining a packet loss rate and a fourth time delay in a transmission process according to the input data and the output data, and determining a difference value between the fourth time delay and the first time delay;
and determining the protocol conversion capability of the space-ground integrated information network for converting the IPv4 protocol data into the IPv6 protocol data and then converting the IPv 3578 protocol data into the IPv4 protocol data according to the packet loss rate and the difference value of the fourth time delay and the first time delay.
9. The testing device of claim 6, wherein the determining module is specifically configured to:
under the condition that the first predetermined protocol and the second predetermined protocol are both Internet protocol (VoIP), determining the throughput and the average opinion MOS value in the transmission process according to the input data and the output data;
and determining the protocol support capability of the heaven-earth integrated information network according to the throughput and the mean opinion MOS value.
10. The testing device of claim 6, wherein the determining module is specifically configured to:
under the condition that the first predetermined protocol and the second predetermined protocol are both hypertext transfer http protocols, determining the throughput and the transmission response time of a transmission process according to the input data and the output data;
and determining the protocol support capability of the integrated information network according to the throughput and the transmission response time.
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