CN111669367B - Mimicry intranet and construction method thereof - Google Patents

Mimicry intranet and construction method thereof Download PDF

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Publication number
CN111669367B
CN111669367B CN202010367371.9A CN202010367371A CN111669367B CN 111669367 B CN111669367 B CN 111669367B CN 202010367371 A CN202010367371 A CN 202010367371A CN 111669367 B CN111669367 B CN 111669367B
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heterogeneous
data traffic
intranet
subnets
heterogeneous subnets
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CN111669367A (en
Inventor
吕青松
郭义伟
宋帅康
冯志峰
武彭彭
魏亚祥
宋延坡
谈满堂
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Zhuhai Comleader Information Technology Co Ltd
Henan Xinda Wangyu Technology Co Ltd
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Zhuhai Comleader Information Technology Co Ltd
Henan Xinda Wangyu Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
    • H04L63/1441—Countermeasures against malicious traffic
    • 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
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H04L47/2441—Traffic characterised by specific attributes, e.g. priority or QoS relying on flow classification, e.g. using integrated services [IntServ]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

Abstract

The invention relates to a mimicry intranet and a construction method thereof, wherein the construction method comprises the following steps: constructing a heterogeneous subnet for realizing the exchange and routing functions of data traffic; constructing a mimic splitter used for being connected with an external network and N heterogeneous subnets, wherein the mimic splitter copies and distributes received external data traffic to the N heterogeneous subnets, judges uplink data traffic of the N heterogeneous subnets, and adjusts the distribution state of the uplink data traffic of the N heterogeneous subnets according to a judgment result; and establishing a simulated route selector which is used for being connected with the intranet terminal equipment and the N heterogeneous subnets, copying and distributing the received uplink data traffic of the intranet terminal equipment to the N heterogeneous subnets by the simulated route selector, judging the downlink data traffic of the N heterogeneous subnets, and adjusting the distribution state of the downlink data traffic of the N heterogeneous subnets according to the judgment result. The invention can quickly realize the mimicry transformation of the intranet.

Description

Mimicry intranet and construction method thereof
Technical Field
The invention relates to the technical field of mimicry defense, in particular to a mimicry intranet and a construction method thereof.
Background
With the gradual maturity of the mimicry defense technology theory, more and more devices improve the safety of the self system by introducing the mimicry defense idea; after the system is introduced into the mimicry design, the safety capability of the system can be obviously improved, and the system is prevented from being remotely controlled or broken due to design defects, loopholes, Trojan horse viruses and the like of the system. However, when performing the mimicry transformation on the existing basic network, the original device needs to be replaced by the mimicry device, which not only causes low transformation efficiency, but also causes the problems of reduced system stability, reliability and compatibility.
Disclosure of Invention
The invention aims to provide a mimicry intranet and a construction method thereof aiming at the defects in the prior art.
In order to achieve the above object, a first aspect of the present invention provides a method for constructing a pseudo intranet, comprising the following steps: constructing a heterogeneous subnet for realizing the exchange and routing functions of data traffic;
constructing a mimic splitter used for being connected with an external network and N heterogeneous subnets, wherein the mimic splitter copies and distributes received external data traffic to the N heterogeneous subnets, judges uplink data traffic of the N heterogeneous subnets, and adjusts the distribution state of the uplink data traffic of the N heterogeneous subnets according to a judgment result;
and establishing a simulated route selector which is used for being connected with the intranet terminal equipment and the N heterogeneous subnets, copying and distributing the received uplink data traffic of the intranet terminal equipment to the N heterogeneous subnets by the simulated route selector, judging the downlink data traffic of the N heterogeneous subnets, and adjusting the distribution state of the downlink data traffic of the N heterogeneous subnets according to the judgment result.
The invention provides a mimicry intranet, which comprises a mimicry shunt, a mimicry route selector and N heterogeneous subnets;
the mimicry shunt is used for being connected with an external network and the N heterogeneous subnets, realizing copying and distributing external data traffic to the N heterogeneous subnets, judging uplink data traffic of the N heterogeneous subnets, and adjusting the distribution state of the uplink data traffic of the N heterogeneous subnets according to a judgment result;
the heterogeneous subnetworks are used for realizing the functions of data traffic exchange and routing;
the mimicry route selector is used for being connected with the intranet terminal equipment and the N heterogeneous subnets, achieving copying and distributing the uplink data traffic of the intranet terminal equipment to the N heterogeneous subnets, achieving judging the downlink data traffic of the N heterogeneous subnets, and adjusting the distribution state of the downlink data traffic of the N heterogeneous subnets according to the judging result.
Based on the above, one of the N heterogeneous subnets is an existing network, and the rest of the N heterogeneous subnets imitate the existing network, so that the implemented function is the same as that of the existing network; the N heterogeneous subnetworks are isolated from each other.
Based on the above, the devices in the other heterogeneous subnets are selected from different manufacturers or devices of the same manufacturer and different models, or different networking topologies.
Based on the above, the mimicry splitter comprises a distribution module, a scheduling module and a judging module; the distribution module is used for copying and distributing data traffic from an external network; the arbitration module is used for arbitrating the uplink data traffic of the N heterogeneous subnets; and the scheduling module is used for adjusting the distribution state of the uplink data traffic of the N heterogeneous subnets according to the judgment result.
Based on the above, the mimic route selector comprises a distribution module, a scheduling module and a judging module; the distribution module is used for copying and distributing the uplink data flow from the intranet terminal equipment; the arbitration module is used for arbitrating the downlink data traffic of the N heterogeneous subnets; and the scheduling module is used for adjusting the distribution state of the downlink data traffic of the N heterogeneous subnets according to the judgment result.
Based on the above, one mimic route selector is correspondingly connected with one or more intranet terminal devices.
Based on the above, the proposed splitter and the proposed router share arbitration information.
Based on the above, the mimicry splitter is a single device or integrated with other devices, is arranged at the entrance of the intranet, and is implemented by a high-performance server, a special server or other hardware forms.
Based on the above, the proposed route selector is a separate device or integrated with other devices, is arranged at the entrance of the intranet, and is implemented by a high-performance server, a dedicated server or other hardware forms.
Compared with the prior art, the method has outstanding substantive characteristics and remarkable progress, and particularly, the method realizes the mimicry transformation of the intranet by introducing the mimicry shunt, the mimicry shunt and the heterogeneous subnet, rapidly realizes the mimicry transformation of the intranet by increasing the number of the heterogeneous subnets and introducing the mimicry shunt and the mimicry shunt under the condition of not changing the attribute state of original equipment of the intranet, solves the problem that the stability, the reliability and the compatibility of a system are reduced because the original equipment needs to be replaced by the mimicry equipment during the mimicry transformation of a basic network, greatly improves the efficiency of the mimicry transformation of the intranet, and greatly improves the security of the intranet after the mimicry transformation.
Drawings
FIG. 1 is a schematic diagram of a pseudo-intranet according to an embodiment of the present invention;
FIG. 2 is a functional diagram of a mimic splitter according to an embodiment of the present invention.
FIG. 3 is a schematic diagram of a proposed router function provided by an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.
Example 1
As shown in fig. 1 to 3, the present embodiment provides a method for constructing a pseudo intranet, including the following steps:
constructing a heterogeneous subnet for realizing the exchange and routing functions of data traffic; when the heterogeneous subnetworks are implemented, a three-layer network architecture composed of a core switch, an aggregation switch, and an access switch may be adopted.
Constructing a mimic splitter used for being connected with an external network and N heterogeneous subnets, copying and distributing received external data traffic to the N heterogeneous subnets, judging uplink data traffic of the N heterogeneous subnets, and adjusting distribution states of the uplink data traffic of the N heterogeneous subnets according to judgment results; and for the heterogeneous subnetworks with the abnormal judgment, data distribution is not performed to the external network.
Constructing a simulated route selector connected with an intranet terminal device and the N heterogeneous subnets, copying and distributing the received uplink data traffic of the intranet terminal device to the N heterogeneous subnets by the simulated route selector, judging the downlink data traffic of the N heterogeneous subnets, and adjusting the distribution state of the downlink data traffic of the N heterogeneous subnets according to the judgment result; and for the heterogeneous subnets with the abnormal judgment, data distribution is not performed to the intranet terminal equipment.
In this embodiment, one of the N heterogeneous subnets is an existing network, and no change is made to the existing network, and the rest of the heterogeneous subnets imitate the existing network, so that the implemented function is the same as that of the existing network; the equipment in other heterogeneous subnets is selected from equipment of different manufacturers or equipment of the same manufacturer in different models or different networking topological modes; in order to ensure security, the N heterogeneous subnets are isolated from each other.
In this embodiment, the mimic splitter includes a distribution module, a scheduling module, and a arbitration module; the distribution module is used for copying and distributing data traffic from an external network; the arbitration module is used for arbitrating the uplink data traffic of the N heterogeneous subnets; and the scheduling module is used for adjusting the distribution state of the uplink data traffic of the N heterogeneous subnets according to the judgment result.
The mimicry splitter is a single device or is integrated with other devices, is arranged at an entrance of an intranet, and is realized by a high-performance server, a special server or other hardware forms. In particular, the mimic splitter isolates the N ports connected to the heterogeneous subnets from each other.
In this embodiment, the mimetic routing device includes a distribution module, a scheduling module and a resolving module; the distribution module is used for copying and distributing the uplink data flow from the intranet terminal equipment; the arbitration module is used for arbitrating the downlink data traffic of the N heterogeneous subnets; and the scheduling module is used for adjusting the distribution state of the downlink data traffic of the N heterogeneous subnets according to the judgment result.
The mimicry route selector is independent equipment or integrated with other equipment, is arranged at an entrance of an intranet, and is realized by a high-performance server, a special server or other hardware forms.
In this embodiment, each intranet terminal device may have 1 pseudo-routing device exclusively; a plurality of intranet terminal equipment can also share 1 mimic route selector, and at the moment, the number of internal and external ports of the mimic route selector is only required to be correspondingly increased.
In this embodiment, in order to improve the scheduling accuracy, the tentative flow divider and the tentative flow selector share arbitration information.
The terminal device in the embodiment is a network terminal device such as a PC, a printer, or a mobile device.
Example 2
As shown in fig. 1-3, the present embodiment provides a pseudo intranet, including a pseudo splitter, a pseudo router, and N heterogeneous subnets;
the mimicry shunt is used for being connected with an external network and the N heterogeneous subnets, realizing copying and distributing external data traffic to the N heterogeneous subnets, judging uplink data traffic of the N heterogeneous subnets, and adjusting the distribution state of the uplink data traffic of the N heterogeneous subnets according to a judgment result;
the heterogeneous subnetworks are used for realizing the functions of data traffic exchange and routing;
the mimicry route selector is used for being connected with the intranet terminal equipment and the N heterogeneous subnets, achieving copying and distributing the uplink data traffic of the intranet terminal equipment to the N heterogeneous subnets, achieving judging the downlink data traffic of the N heterogeneous subnets, and adjusting the distribution state of the downlink data traffic of the N heterogeneous subnets according to the judging result.
In this embodiment, one of the N heterogeneous subnets is an existing network, and no change is made to the existing network, and the rest of the heterogeneous subnets imitate the existing network, so that the implemented function is the same as that of the existing network; the equipment in other heterogeneous subnets is selected from equipment of different manufacturers or equipment of the same manufacturer in different models or different networking topological modes; in order to ensure security, the N heterogeneous subnets are isolated from each other.
In this embodiment, the mimic splitter includes a distribution module, a scheduling module, and a arbitration module; the distribution module is used for copying and distributing data traffic from an external network; the arbitration module is used for arbitrating the uplink data traffic of the N heterogeneous subnets; and the scheduling module is used for adjusting the distribution state of the uplink data traffic of the N heterogeneous subnets according to the judgment result.
The mimicry splitter is a single device or is integrated with other devices, is arranged at an entrance of an intranet, and is realized by a high-performance server, a special server or other hardware forms. In particular, the mimic splitter isolates the N ports connected to the heterogeneous subnets from each other.
In this embodiment, the mimetic routing device includes a distribution module, a scheduling module and a resolving module; the distribution module is used for copying and distributing the uplink data flow from the intranet terminal equipment; the arbitration module is used for arbitrating the downlink data traffic of the N heterogeneous subnets; and the scheduling module is used for adjusting the distribution state of the downlink data traffic of the N heterogeneous subnets according to the judgment result.
The mimicry route selector is independent equipment or integrated with other equipment, is arranged at an entrance of an intranet, and is realized by a high-performance server, a special server or other hardware forms.
In this embodiment, each intranet terminal device may have 1 pseudo-routing device exclusively; a plurality of intranet terminal equipment can also share 1 mimic route selector, and at the moment, the number of internal and external ports of the mimic route selector is only required to be correspondingly increased.
In this embodiment, in order to improve the scheduling accuracy, the tentative flow divider and the tentative flow selector share arbitration information.
It should be finally noted that the above-mentioned embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and those skilled in the art should make modifications to the specific embodiments of the present invention or make equivalent substitutions for part of technical features without departing from the spirit of the technical solutions of the present invention, and all of them should be covered in the technical solutions claimed in the present invention.

Claims (9)

1. A mimicry intranet construction method is characterized by comprising the following steps:
constructing a heterogeneous subnet for realizing the exchange and routing functions of data traffic;
constructing a mimic splitter used for being connected with an external network and N heterogeneous subnets, wherein the mimic splitter copies and distributes received external data traffic to the N heterogeneous subnets, judges uplink data traffic of the N heterogeneous subnets, and adjusts the distribution state of the uplink data traffic of the N heterogeneous subnets according to a judgment result;
constructing a simulated route selector connected with an intranet terminal device and the N heterogeneous subnets, copying and distributing the received uplink data traffic of the intranet terminal device to the N heterogeneous subnets by the simulated route selector, judging the downlink data traffic of the N heterogeneous subnets, and adjusting the distribution state of the downlink data traffic of the N heterogeneous subnets according to the judgment result;
one of the N heterogeneous subnets is an existing network, and the rest of the N heterogeneous subnets imitate the establishment of the existing network, so that the realized function is the same as that of the existing network; the N heterogeneous subnets are isolated from each other.
2. A mimetic intranet, comprising: the method comprises a mimic splitter, a mimic router and N heterogeneous subnets;
the mimicry shunt is used for being connected with an external network and the N heterogeneous subnets, realizing copying and distributing external data traffic to the N heterogeneous subnets, judging uplink data traffic of the N heterogeneous subnets, and adjusting the distribution state of the uplink data traffic of the N heterogeneous subnets according to a judgment result;
the heterogeneous subnetworks are used for realizing the functions of data traffic exchange and routing;
the mimicry route selector is used for being connected with an intranet terminal device and the N heterogeneous subnets, copying and distributing uplink data traffic of the intranet terminal device to the N heterogeneous subnets, judging downlink data traffic of the N heterogeneous subnets, and adjusting distribution states of the downlink data traffic of the N heterogeneous subnets according to judging results;
one of the N heterogeneous subnets is an existing network, and the rest of the N heterogeneous subnets imitate the existing network to be established, so that the realized function is the same as that of the existing network; the N heterogeneous subnetworks are isolated from each other.
3. The mimetic intranet of claim 2 wherein: and the equipment in the rest heterogeneous subnetworks is selected from equipment of different manufacturers or equipment of the same manufacturer in different models or different networking topological modes.
4. The mimetic intranet of claim 2 wherein: the mimicry shunt comprises a distribution module, a scheduling module and a judging module;
the distribution module is used for copying and distributing data traffic from an external network;
the arbitration module is used for arbitrating the uplink data traffic of the N heterogeneous subnets;
and the scheduling module is used for adjusting the distribution state of the uplink data traffic of the N heterogeneous subnets according to the judgment result.
5. A mimetic intranet according to claim 2, wherein: the mimic route selector comprises a distribution module, a scheduling module and a judging module;
the distribution module is used for copying and distributing the uplink data flow from the intranet terminal equipment;
the arbitration module is used for arbitrating the downlink data traffic of the N heterogeneous subnets;
and the scheduling module is used for adjusting the distribution state of the downlink data traffic of the N heterogeneous subnets according to the judgment result.
6. The mimetic intranet of claim 2 wherein: one mimic route selector is correspondingly connected with one or more intranet terminal devices.
7. A mimetic intranet according to claim 2, wherein: arbitration information is shared between the mimetic diverter and the mimetic router.
8. The mimetic intranet of claim 2 wherein: the mimicry splitter is a single device or is integrated with other devices, is arranged at an entrance of an intranet, and is realized by a high-performance server, a special server or other hardware forms.
9. The mimetic intranet of claim 2 wherein: the mimicry route selector is independent equipment or integrated with other equipment, is arranged at an entrance of an intranet, and is realized by a high-performance server, a special server or other hardware forms.
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CN112134895A (en) * 2020-09-27 2020-12-25 中国人民解放军战略支援部队信息工程大学 Endogenous safe network data stream processing method
CN112242924B (en) * 2020-09-29 2022-06-03 中国人民解放军战略支援部队信息工程大学 Mimic bracket implementation device and method for main/standby mode
CN114363051B (en) * 2021-12-31 2023-07-21 河南信大网御科技有限公司 Mimicry switch and mimicry system internal one-way communication method
CN114338552B (en) * 2021-12-31 2023-07-07 河南信大网御科技有限公司 System for determining delay mimicry

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