CN111970331A - Expressway monitoring data link optimization method and device based on SDN - Google Patents
Expressway monitoring data link optimization method and device based on SDN Download PDFInfo
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- CN111970331A CN111970331A CN202010731381.6A CN202010731381A CN111970331A CN 111970331 A CN111970331 A CN 111970331A CN 202010731381 A CN202010731381 A CN 202010731381A CN 111970331 A CN111970331 A CN 111970331A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 127
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000005457 optimization Methods 0.000 title claims description 11
- 238000012806 monitoring device Methods 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims description 18
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/12—Shortest path evaluation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
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Abstract
The invention discloses a method and a device for optimizing a highway monitoring data link based on an SDN. The method comprises the steps of receiving a highway monitoring data checking request sent by an SDN network terminal, collecting monitoring data information and link information from a highway monitoring data underlying network according to the serial number information of a monitoring device required to be checked, calculating an optimal highway monitoring data transmission path according to the link information and interface information of the SDN network terminal, and sending the monitoring data information to the SDN network terminal according to the optimal highway monitoring data transmission path. According to the method and the device, the expressway monitoring data checking request sent by the SDN network terminal is received, the monitoring data information is sent to the SDN network terminal based on the SDN, the data transmission efficiency of the SDN network terminal when the SDN network terminal checks the monitoring data is greatly improved, the network congestion condition is avoided, and the SDN network terminal is convenient to quickly check the expressway monitoring data.
Description
Technical Field
The invention relates to the technical field of intelligent traffic, in particular to a method and a device for optimizing a highway monitoring data link based on an SDN (software defined network).
Background
Software Defined Networking (SDN) is a novel Network innovation architecture proposed by the research group of the CLean State topic of stanford university, usa, and is an implementation mode of Network virtualization. The core technology OpenFlow separates the control plane and the data plane of the network equipment, thereby realizing the flexible control of network flow, enabling the network to be more intelligent as a pipeline, and providing a good platform for the innovation of a core network and application.
The highway is provided with a plurality of monitoring devices along the way, the monitoring devices are communicated with a highway monitoring data server, the highway monitoring data server can store, backup and call real-time monitoring pictures of specific monitoring devices, but at present, a specific place is usually required, for example, a control room of the highway monitoring data server is operated, the monitoring pictures are not convenient to be flexibly checked through a mobile terminal outdoors, at present, although the technology is available, a plurality of mobile terminals are usually communicated with a specific highway monitoring data server, the situation of network congestion is easy to generate, the data transmission efficiency is low, and flexible configuration cannot be carried out according to the actual communication situation.
Disclosure of Invention
The invention provides a method and a device for optimizing a highway monitoring data link based on an SDN (software defined network), which are used for solving the problems in the prior art.
In a first aspect, the present invention provides a method for optimizing a highway monitoring data link based on an SDN, where the method includes:
receiving a highway monitoring data viewing request sent by an SDN network terminal, wherein the highway monitoring data comprises serial number information of a monitoring device requested to be viewed and interface information of the SDN network terminal;
collecting monitoring data information and link information from an expressway monitoring data underlying network according to the serial number information of the monitoring devices requested to be checked, wherein the expressway monitoring data underlying network comprises a plurality of expressway monitoring data servers, each expressway monitoring data server is in communication connection with the plurality of monitoring devices, and SDN data path connections are formed among the plurality of expressway monitoring data servers;
calculating an optimal expressway monitoring data transmission path according to the link information and interface information of the SDN network terminal;
and sending the monitoring data information to the SDN network terminal according to the optimal expressway monitoring data transmission path.
Optionally, in the step of collecting monitoring data information and link information from the highway monitoring data underlay network according to the serial number information of the monitoring device requested to be checked, the monitoring data information and the link information are in communication connection with the highway monitoring data underlay network through an SDN control data plane interface.
Optionally, the communication connection uses an OpenFlow protocol.
Optionally, in the step of sending the monitoring data information to the SDN network terminal according to the optimal highway monitoring data transmission path, the monitoring data information is in communication connection with the SDN network terminal through an SDN northbound interface.
In a second aspect, the present invention provides an SDN-based highway monitoring data link optimization device, comprising:
the system comprises a receiving unit, a monitoring unit and a processing unit, wherein the receiving unit is used for receiving a highway monitoring data checking request sent by an SDN network terminal, and the highway monitoring data comprises the serial number information of a monitoring device required to be checked and the interface information of the SDN network terminal;
the collecting unit is used for collecting monitoring data information and link information from an expressway monitoring data underlying network according to the serial number information of the monitoring device requested to be checked, the expressway monitoring data underlying network comprises a plurality of expressway monitoring data servers, each expressway monitoring data server is in communication connection with the plurality of monitoring devices, and SDN data path connection is formed among the plurality of expressway monitoring data servers;
the calculation unit is used for calculating an optimal highway monitoring data transmission path according to the link information and the interface information of the SDN network terminal;
and the sending unit is used for sending the monitoring data information to the SDN network terminal according to the optimal expressway monitoring data transmission path.
Optionally, the collecting unit is configured to be in communication connection with the highway monitoring data underlying network through an SDN control data plane interface.
Optionally, the communication connection uses an OpenFlow protocol.
Optionally, the sending unit is configured to communicate with the SDN network terminal through an SDN northbound interface.
The invention has the following beneficial effects: according to the expressway monitoring data link optimization method and device based on the SDN, provided by the invention, the expressway monitoring data checking request sent by the SDN network terminal is received, and the monitoring data information is sent to the SDN network terminal based on the SDN, so that the data transmission efficiency when the SDN network terminal checks the monitoring data is greatly improved, the condition of network congestion is avoided, and the expressway monitoring data can be conveniently and quickly checked by adopting the SDN network terminal.
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In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any inventive exercise.
Fig. 1 is a flowchart of a highway monitoring data link optimization method based on SDN according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a method for optimizing a highway monitoring data link based on an SDN according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of an SDN-based highway monitoring data link optimization device according to 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 technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Referring to fig. 1 and fig. 2, an execution subject of the method for optimizing an SDN-based highway monitoring data link according to an embodiment of the present invention is an SDN controller 1, and the method includes the following steps:
step S101, receiving a highway monitoring data viewing request sent by the SDN network terminal 2, where the highway monitoring data includes serial number information of a monitoring device requested to be viewed and interface information of the SDN network terminal 2.
Specifically, the SDN network terminal 2 may be a smart phone, a tablet computer, or the like, and may establish a communication connection with the SDN controller through a wireless network.
And S102, collecting monitoring data information and link information from the highway monitoring data underlying network according to the number information of the monitoring device requested to be checked. As shown in fig. 2, the highway monitoring data underlying network includes a plurality of highway monitoring data servers 3, each highway monitoring data server 3 is in communication connection with a plurality of monitoring devices, and SDN data path connections are formed among the highway monitoring data servers 3.
Specifically, the SDN controller 1 communicates with the highway monitoring data underlying network through a SDN control-data-plane interface (CDPI for short), has a unified communication standard, and is mainly responsible for issuing forwarding rules in the SDN controller 1 to the highway monitoring data server 3. Further, the communication connection adopts an OpenFlow protocol. The SDN controller masters global network information and is responsible for controlling various forwarding rules.
And step S103, calculating an optimal expressway monitoring data transmission path according to the link information and the interface information of the SDN network terminal.
And step S104, sending the monitoring data information to the SDN network terminal according to the optimal expressway monitoring data transmission path.
The SDN controller 1 and the SDN network terminal 2 communicate with each other through an SDN northbound interface (NBI), which is not a unified standard and allows a user to customize and develop various network management applications according to their own needs.
According to the technical scheme, the expressway monitoring data link optimization method based on the SDN provided by the invention has the advantages that the expressway monitoring data viewing request sent by the SDN network terminal is received, the monitoring data information is sent to the SDN network terminal based on the SDN, the data transmission efficiency of the SDN network terminal when viewing the monitoring data is greatly improved, the network congestion condition is avoided, and the SDN network terminal is convenient to rapidly view the expressway monitoring data.
As shown in fig. 3, the present invention provides a highway monitoring data link optimization device based on SDN, the device comprising:
the receiving unit 31 is configured to receive a highway monitoring data viewing request sent by an SDN network terminal, where the highway monitoring data includes serial number information of a monitoring device requested to be viewed and interface information of the SDN network terminal.
And the collecting unit 32 is used for collecting monitoring data information and link information from an expressway monitoring data underlying network according to the serial number information of the monitoring device checked by the request, the expressway monitoring data underlying network comprises a plurality of expressway monitoring data servers, each expressway monitoring data server is in communication connection with the plurality of monitoring devices, and SDN data paths are formed among the plurality of expressway monitoring data servers.
And a calculating unit 33, configured to calculate an optimal highway monitoring data transmission path according to the link information and the interface information of the SDN network terminal.
A sending unit 34, configured to send the monitoring data information to the SDN network terminal according to the optimal highway monitoring data transmission path.
Specifically, the collecting unit 32 is configured to be communicatively connected to the highway monitoring data underlying network through an SDN control data plane interface. The communication connection adopts an OpenFlow protocol. The sending unit 34 is configured to communicate with the SDN network terminal through an SDN northbound interface.
An embodiment of the present invention further provides a storage medium, and a storage medium, where a computer program is stored, and when the computer program is executed by a processor, the computer program implements some or all of the steps in each embodiment of the SDN-based highway monitoring data link optimization method provided in the present invention. The storage medium may be a magnetic disk, an optical disk, a Read-only memory (ROM) or a Random Access Memory (RAM).
Those skilled in the art will readily appreciate that the techniques of the embodiments of the present invention may be implemented as software plus a required general purpose hardware platform. Based on such understanding, the technical solutions in the embodiments of the present invention may be essentially or partially implemented in the form of a software product, which may be stored in a storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments.
The same and similar parts in the various embodiments in this specification may be referred to each other. In particular, for the embodiment of the device for optimizing the highway monitoring data link based on the SDN, since the embodiment is basically similar to the embodiment of the method, the description is simple, and the relevant points can be referred to the description in the embodiment of the method.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention.
Claims (8)
1. An SDN-based highway monitoring data link optimization method is characterized by comprising the following steps:
receiving a highway monitoring data viewing request sent by an SDN network terminal, wherein the highway monitoring data comprises serial number information of a monitoring device requested to be viewed and interface information of the SDN network terminal;
collecting monitoring data information and link information from an expressway monitoring data underlying network according to the serial number information of the monitoring devices requested to be checked, wherein the expressway monitoring data underlying network comprises a plurality of expressway monitoring data servers, each expressway monitoring data server is in communication connection with the plurality of monitoring devices, and SDN data path connections are formed among the plurality of expressway monitoring data servers;
calculating an optimal expressway monitoring data transmission path according to the link information and interface information of the SDN network terminal;
and sending the monitoring data information to the SDN network terminal according to the optimal expressway monitoring data transmission path.
2. The method of claim 1, wherein the step of collecting monitoring data information and link information from the highway monitoring data underlay network based on the number information of the monitoring device requested to view is communicatively coupled to the highway monitoring data underlay network via an SDN control data plane interface.
3. The method of claim 2, wherein the communication connection employs an OpenFlow protocol.
4. The method of claim 1, wherein the step of sending the monitoring data information to the SDN network terminal according to the optimal highway monitoring data transmission path is communicatively connected to the SDN network terminal through an SDN northbound interface.
5. An SDN-based highway monitoring data link optimization device, the device comprising:
the system comprises a receiving unit, a monitoring unit and a processing unit, wherein the receiving unit is used for receiving a highway monitoring data checking request sent by an SDN network terminal, and the highway monitoring data comprises the serial number information of a monitoring device required to be checked and the interface information of the SDN network terminal;
the collecting unit is used for collecting monitoring data information and link information from an expressway monitoring data underlying network according to the serial number information of the monitoring device requested to be checked, the expressway monitoring data underlying network comprises a plurality of expressway monitoring data servers, each expressway monitoring data server is in communication connection with the plurality of monitoring devices, and SDN data path connection is formed among the plurality of expressway monitoring data servers;
the calculation unit is used for calculating an optimal highway monitoring data transmission path according to the link information and the interface information of the SDN network terminal;
and the sending unit is used for sending the monitoring data information to the SDN network terminal according to the optimal expressway monitoring data transmission path.
6. The apparatus of claim 5, wherein the collection unit is to communicatively interface with the highway monitoring data underlay network through an SDN control data plane interface.
7. The apparatus of claim 6, wherein the communication connection employs an OpenFlow protocol.
8. The apparatus of claim 5, wherein the sending unit is configured to communicatively connect with the SDN network terminal through a SDN northbound interface.
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| CN202010731381.6A CN111970331A (en) | 2020-07-27 | 2020-07-27 | Expressway monitoring data link optimization method and device based on SDN |
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| CN202010731381.6A CN111970331A (en) | 2020-07-27 | 2020-07-27 | Expressway monitoring data link optimization method and device based on SDN |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103634576A (en) * | 2013-12-17 | 2014-03-12 | 紫光捷通科技股份有限公司 | Expressway mobile terminal monitoring system and method |
| CN104734954A (en) * | 2015-03-27 | 2015-06-24 | 华为技术有限公司 | Routing determination method and device used for software defined network (SDN) |
| CN108040268A (en) * | 2017-11-30 | 2018-05-15 | 浙江宇视科技有限公司 | A kind of video surveillance network method of controlling security and system based on SDN |
| CN108092893A (en) * | 2017-12-20 | 2018-05-29 | 中国联合网络通信集团有限公司 | A kind of special line activating method and device |
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- 2020-07-27 CN CN202010731381.6A patent/CN111970331A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103634576A (en) * | 2013-12-17 | 2014-03-12 | 紫光捷通科技股份有限公司 | Expressway mobile terminal monitoring system and method |
| CN104734954A (en) * | 2015-03-27 | 2015-06-24 | 华为技术有限公司 | Routing determination method and device used for software defined network (SDN) |
| CN108040268A (en) * | 2017-11-30 | 2018-05-15 | 浙江宇视科技有限公司 | A kind of video surveillance network method of controlling security and system based on SDN |
| CN108092893A (en) * | 2017-12-20 | 2018-05-29 | 中国联合网络通信集团有限公司 | A kind of special line activating method and device |
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