CN113467816A - Management platform for remote safe operation and maintenance of automation system based on virtualization - Google Patents
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Abstract
The invention discloses a management platform for remote safe operation and maintenance of an automation system based on virtualization, which comprises: the system comprises n safe operation and maintenance terminals and a centralized control cloud platform, wherein the safe operation and maintenance terminals are in communication connection with the centralized control cloud platform through a scheduling data network and are used for providing operation and maintenance operation for an operation and maintenance site; the centralized control cloud platform comprises a centralized management unit, a security audit unit, a privilege account unit, a linear expansion unit, an external security control unit, a data encryption unit, an open platform unit, a virtual machine unit, a storage virtualization unit, a server virtualization unit and a GPU virtualization unit, and is used for centrally controlling all the security operation and maintenance terminals. Realize long-range safe, high-efficient, convenient fortune dimension, operation, reduce construction cost by a wide margin, promoted user experience and felt.
Description
Technical Field
The invention relates to the technical field of electric power automation, in particular to an automation system remote safety operation and maintenance platform based on virtualization.
Background
A core power automation system supporting power grid regulation and control operation is a main technical means for various operation and maintenance personnel. At present, the network and information security situation is getting more severe, and security events such as "micro union library deletion", "trip paralysis", and the like occur successively, and the security risk caused by operation and maintenance behaviors is highlighted. The traditional operation and maintenance man-machine terminal of the power automation system adopts an entity physical machine to extend through a KVM (keyboard, video and mouse) or a network, and is obviously insufficient in the aspects of safety management of operation and maintenance behaviors, peripheral equipment, safety guarantee of the system, service effectiveness, flexibility and convenience. With the increasing information demand of various field teams and groups on a dispatching automation system, such as power transformation operation and maintenance, a light-weight and convenient wide-area remote terminal is needed to meet the distributed system access demand.
Disclosure of Invention
The invention aims to provide a management platform for remote safe operation and maintenance of an automation system based on virtualization, so that remote safe, efficient and convenient operation and maintenance and operation are realized, the construction cost is greatly reduced, and the user experience is improved.
In order to achieve the above object, an embodiment of the present invention provides a management platform for remote secure operation and maintenance of an automation system based on virtualization, which is characterized by comprising: n safe operation and maintenance terminals and a centralized control cloud platform,
the safe operation and maintenance terminal is in communication connection with the centralized control cloud platform through a scheduling data network and is used for providing operation and maintenance operation for an operation and maintenance site;
the centralized control cloud platform comprises a centralized management unit, a security audit unit, a privilege account unit, a linear expansion unit, an external security control unit, a data encryption unit, an open platform unit, a virtual machine unit, a storage virtualization unit, a server virtualization unit and a GPU virtualization unit, and is used for centrally controlling all the security operation and maintenance terminals.
In one embodiment, the secure operation and maintenance terminal supports calling a localization database.
In one embodiment, the operation and maintenance operation is realized by the security operation and maintenance terminal by calling the image file of the virtual machine unit in the centralized control cloud platform.
In one embodiment, the centralized management and control cloud platform is stored in a cloud.
In one embodiment, the centralized management and control cloud platform is further configured to perform independent audit and independent management on the security operation and maintenance terminal.
In one embodiment, the centralized management and control cloud platform is further configured to comprehensively record operation contents, operation steps, operation paths and operation results of the security operation and maintenance terminal.
In one embodiment, the centralized management and control cloud platform is further configured to perform remote accurate control on external equipment of the safe operation and maintenance terminal, where the external equipment includes USB equipment.
In the management platform for remote safe operation and maintenance of the automation system based on virtualization, advanced technologies such as clouding, mirroring, containers and GPU virtualization are adopted, the special operation environment of the power monitoring system and the actual graphical requirements are combined, operation and maintenance of the system, operation and maintenance of a field operation and maintenance team and system training are mainly supported, remote safe, efficient and convenient operation and maintenance and operation are achieved, user experience is greatly improved compared with the traditional workstation extension mode, and construction cost (including capital investment and resource occupation) is greatly reduced.
Drawings
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 that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a management platform for remote security operation and maintenance of a virtualization-based automation system according to an embodiment of the present invention;
fig. 2 is a schematic architecture diagram of a management platform for remote security operation and maintenance of a virtualization-based automation system according to an embodiment of the present invention;
fig. 3 is an application schematic diagram of a management platform for remote security operation and maintenance of an automation system based on virtualization according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
It should be understood that the step numbers used herein are for convenience of description only and are not intended as limitations on the order in which the steps are performed.
It is to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
The terms "comprises" and "comprising" indicate the presence of the described features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
The term "and/or" refers to and includes any and all possible combinations of one or more of the associated listed items.
Referring to fig. 1, an embodiment of the present invention provides a management platform for remote security operation and maintenance of an automation system based on virtualization, including: n safe operation and maintenance terminals and a centralized control cloud platform,
the safe operation and maintenance terminal is in communication connection with the centralized control cloud platform through a scheduling data network and is used for providing operation and maintenance operation for an operation and maintenance site;
the centralized control cloud platform comprises a centralized management unit, a security audit unit, a privilege account unit, a linear expansion unit, an external security control unit, a data encryption unit, an open platform unit, a virtual machine unit, a storage virtualization unit, a server virtualization unit and a GPU virtualization unit, and is used for centrally controlling all the security operation and maintenance terminals.
Referring to fig. 2, in the present embodiment, the dispatching automation system workstations are centralized virtualized at the master station, and workstation image files are provided for each remote operation and maintenance site, as shown in fig. 3; a safe operation and maintenance terminal with the volume smaller than A4 paper is remotely configured on site, the terminal is connected with a network, and the terminal calls the virtual machine image file at the cloud end of the main station, so that various operation and maintenance operations with the same extension mode of the traditional workstation can be realized. The remote local safety operation and maintenance terminal is not provided with any system or data, the cloud end is stored completely, the cloud end integrates a uniform safety control function, and the centralized management of operation audit, permission, upgrading, encryption, peripheral ports and the like of all the safety operation and maintenance terminals is realized. The transmission protocol between the safe operation and maintenance terminal and the integrated management and control platform is optimized, the complex graph operation and display requirements are met, meanwhile, the bandwidth requirement of a bearer channel is reduced to one third of that of a traditional mode, remote and narrow-bandwidth network support is achieved, and the resource utilization rate is greatly improved.
The safe operation and maintenance terminal can be used in different scenes such as a scheduling hall, an operation and maintenance room and a DTS of a regulation and control center, and meets the requirements of multi-screen output and high-performance graphic display. One virtual workstation in the platform corresponds to one traditional physical dispatching workstation, and data, application and IP are all kept consistent with the traditional physical dispatching workstation. An independent scheduling terminal man-machine interaction network can be planned, direct communication between the terminal and a regulation and control master station system is isolated, and the terminal which is accessed through a special protocol is identified, matched, authenticated and authorized, so that illegal and illegal access of equipment such as a notebook computer to a scheduling private network is completely avoided; and independently configuring an IP address for the safe operation and maintenance terminal. After the safe operation and maintenance terminal is connected through the intranet and receives the pictures of the virtual workstations, the operation can be carried out according to the use habits of the traditional physical workstations. The training center can be used for carrying out daily technical and skill training in an automatic training room of the training center. And each student is connected to the centralized control platform by adopting a safe operation and maintenance terminal. The student can carry out any operation on the virtualized host and recover at any time. Allocating a dispatching data private network or a dispatching terminal extension network IP address for a remote safe operation and maintenance terminal deployed in a centralized control station and an operation and maintenance central station, and configuring and opening a corresponding data port and a network strategy required by interaction between a management and control platform and the safe operation and maintenance terminal in a longitudinal encryption device. After the remote safe operation and maintenance terminal is connected with and receives the pictures of the virtual workstations deployed in the regulation and control center through the special scheduling data network or the extended scheduling terminal network, the operation can be carried out according to the use habits of the traditional physical workstations. The technical mode of 'integrated control of the regulation and control terminal' is suitable for the safety management standard of 'safe partition and network isolation' of a scheduling system, the existing scheduling master station system and the network structure are not changed, a proxy server and a proxy program are not required to be added, the program of the scheduling master station system is not required to be upgraded and modified, the system is used for binding the decoupling human-computer terminal with a specific system and a specific place, the place covered by a human-computer interaction network can be accessed to the safe operation and maintenance human-computer terminal, any master station system accessed to the human-computer interaction network can be flexibly accessed, and emergency support capability is greatly improved.
Referring to table 1, the dispatching automation system configures 4 integrated management and control platform servers, and adopts clustered deployment to start 18 virtual machines in total, and actually uses 11 safe operation and maintenance terminals. According to the measurement and calculation of the server cluster resource condition, 32 graphic high-requirement physical workstations can be replaced in common, and 64 graphic-requirement-free physical workstations can be replaced in common.
TABLE 1 typical hardware configuration of the platform
Compared with a workstation extension terminal mode of an original electric power automation system, the mode based on the safe operation and maintenance terminal has the characteristics of high safety, easiness in use, high efficiency, light load and the like, the safety protection level of on-site operation and maintenance can be obviously improved from the aspects of terminal body safety, network safety, data safety, personnel behavior safety, monitoring system environment adaptation and the like, the centralized safety, controllability and on-control of the distributed operation and maintenance terminals are realized, and the requirements of large-scale and distributed operation and maintenance management are met. The newly-built virtual machine workstation is simple and convenient to operate, the service cloud can be directly finished through template copying, and the traditional complex installation process is omitted. Reinforcing and updating of the virtual machine workstation are completed by the cloud end in a unified mode, remote site one-by-one implementation is not needed, and working requirements on site personnel are lowered. The GPU virtualization technology is perfected, and the problems of multi-screen cross-screen high-definition display, sound input and output and the like are solved.
In one embodiment, the secure operation and maintenance terminal supports calling a localization database.
In the embodiment, the customized development component of the safe operation and maintenance terminal does not contain an operating system and local data, and simultaneously supports calling of a localization database, so that the adaptation with the special operating environment of the power monitoring system is realized, and the customized development component has high safety level from the body safety and operating system level. The on-site virtualization terminal fundamentally solves the technical and management problems of the original terminal safety reinforcement.
In one embodiment, the operation and maintenance operation is realized by the security operation and maintenance terminal by calling the image file of the virtual machine unit in the centralized control cloud platform.
In this embodiment, the safe operation and maintenance terminal calls the virtual machine image file at the cloud of the main station, so that various operation and maintenance operations equivalent to those of the extension mode of the traditional workstation can be realized.
In one embodiment, the centralized management and control cloud platform is stored in a cloud.
In this embodiment, the remote on-site security operation and maintenance terminal does not have any system or data to land, all the terminals are stored, and the cloud terminals are integrated and unified to form the centralized management and control cloud platform, so that centralized management of operation auditing, permission, upgrading, encryption, peripheral ports and the like of all the security operation and maintenance terminals is realized. Based on the virtualization technology, cloud collection of power grid model parameters, historical data and real-time operation data is achieved, remote calling is achieved but the data do not fall to the ground, and the risk of data leakage is reduced to the minimum.
In one embodiment, the centralized management and control cloud platform is further configured to perform independent audit and independent management on the security operation and maintenance terminal.
In this embodiment, the centralized control cloud platform records video of graphical operation images and character interface command line operations of the control terminal through friendly operation and maintenance audit and security control functions, records each action of a mouse and a keyboard, and can search and display according to multiple conditions such as keywords and time periods. The problem of management such as the operation of breaking rules and regulations can't be tracked, incident can't be backtraced is solved. The centralized security access control is carried out on the control terminals under different office scenes such as a transformer substation, an operation and maintenance central station and the like through the security access isolation function of the control platform, and the security risk of illegal equipment such as a personal notebook computer and the like illegally accessing a private network of scheduling data is thoroughly shielded in technical means. The use limitation of mobile storage media such as a USB flash disk on a terminal workstation and various external devices such as a wireless network card, an optical drive and a printer is realized through peripheral control, and the external devices are prevented from becoming a divulgence channel. The safety operation and maintenance terminal can be independently audited and managed, the operation content, steps, paths and results of operation and maintenance personnel can be comprehensively recorded and audited, and the operation picture can be restored. The blocking function of the high-risk instruction avoids the direct influence of misoperation and even malicious operation of operation and maintenance personnel on the production system.
In one embodiment, the centralized management and control cloud platform is further configured to comprehensively record operation contents, operation steps, operation paths and operation results of the security operation and maintenance terminal.
In this embodiment, the centralized control cloud platform records video of graphical operation pictures and character interface command line operations of the control terminal through friendly operation and maintenance audit and security control functions, records each action of a mouse and a keyboard, and can search and display according to multiple conditions such as keywords and time periods. The problem of management such as the operation of breaking rules and regulations can't be tracked, incident can't be backtraced is solved. In one embodiment, the centralized management and control cloud platform is further configured to perform remote accurate control on external equipment of the safe operation and maintenance terminal, where the external equipment includes USB equipment.
In the management platform for remote safe operation and maintenance of the automation system based on virtualization, advanced technologies such as clouding, mirroring, containers and GPU virtualization are adopted, the special operation environment of the power monitoring system and the actual graphical requirements are combined, operation and maintenance of the system, operation and maintenance of a field operation and maintenance team and system training are mainly supported, remote safe, efficient and convenient operation and maintenance are achieved, user experience is greatly improved compared with a traditional workstation extension mode, construction cost (including capital investment and resource occupation) is greatly reduced, and the management platform has the following advantages:
safety promotion in various aspects: the limitation on mobile storage media such as a U disk and the like on a terminal workstation and various external devices such as a wireless network card, a CD-ROM, a printer and the like is realized, and the security loophole of the external devices is avoided; by migrating the traditional desktop environment, including related applications, systems, data and files, to the master site, administrators can perform higher-level data security protection on these critical data; SSL encryption is adopted in the whole data transmission process between the virtual cloud desktop and the equipment accessing the cloud desktop, so that the data security can be better protected; the function of providing operation record and audit can help the system recover from operation error by recording each action of mouse and keyboard to generate complete audit trail report.
(II) centralized control management: all the physical remote safe operation and maintenance terminals are centrally configured, managed and controlled by the master station unified console, and the problems of wide distribution, large quantity, difficult maintenance and the like of the extension terminals are effectively solved.
(III) high-performance graphic display: each safe operation and maintenance terminal can independently operate a client of the electric power automation system, the service end virtual workstation supports an enterprise-level display card, and the display effect meets the display requirement of client software of the electric power automation system; the system can be connected to a main station of the power automation system through a virtual workstation, and can normally operate the functions of data loading, dynamic picture display and editing, data real-time refreshing and the like, and can normally operate the remote control operation according to the permission configuration; the safety operation and maintenance terminal can simultaneously access two display screens (at most 8 display units can be supported at present) through an onboard interface.
(IV) efficient data communication: the workstation of the traditional power automation system has an extended requirement on network bandwidth of about 30M, and the safety operation and maintenance terminal is reduced to 10M; for wide-area transmission, encryption and decryption efficiency is improved. Meanwhile, due to the fact that data cloud collection is operated, time delay caused by data wide-area transmission is shortened, actual tests show that the curve calling time delay of large data volume is shortened from 2 seconds on average of a traditional workstation to about 0.4 seconds on average, and operation efficiency is greatly improved.
(V) one-click system recovery: because the safe operation and maintenance terminal has no actual environment locally, even if the loss of the application, the data and the file occurs, the safe operation and maintenance terminal can be recovered by locally restarting only.
(VI) maintenance-free local configuration: any system configuration is not needed locally, and maintenance work is avoided.
(seventh) simplified field installation: the cloud desktop is small in hardware and small in occupied space, and only a power-on and power-on network is needed; the installation of new programs, the online application and the like are realized at the cloud.
(eighth) investment reduction: according to the scale measurement of a city dispatching main dispatching power automation system, under the condition that 32 graphic high-demand workstations are fully distributed, the hardware investment of an integrated management and control platform is 10 × 4+0.8 × 32-60.5 ten thousand, the physical workstation is calculated according to 3 ten thousand unit prices, the KVM is calculated according to 1 ten thousand, the required investment is (3+1) × 32-128 ten thousand, and the total saving is 128-60.5-67.5 ten thousand. And the effect of reducing investment is continuously enlarged along with the expansion of platform scale.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (7)
1. A management platform for remote safe operation and maintenance of an automation system based on virtualization is characterized by comprising: n safe operation and maintenance terminals and a centralized control cloud platform,
the safe operation and maintenance terminal is in communication connection with the centralized control cloud platform through a scheduling data network and is used for providing operation and maintenance operation for an operation and maintenance site;
the centralized control cloud platform comprises a centralized management unit, a security audit unit, a privilege account unit, a linear expansion unit, an external security control unit, a data encryption unit, an open platform unit, a virtual machine unit, a storage virtualization unit, a server virtualization unit and a GPU virtualization unit, and is used for centrally controlling all the security operation and maintenance terminals.
2. The virtualization-based automation system remote security operation and maintenance management platform of claim 1, wherein the security operation and maintenance terminal supports invoking a localization database.
3. The virtualization-based automation system remote security operation and maintenance management platform of claim 1, wherein the security operation and maintenance terminal implements the operation and maintenance operation by calling an image file of a virtual machine unit in the centralized management and control cloud platform.
4. The virtualization-based automation system remote security operation and maintenance management platform of claim 1, wherein the centralized management and control cloud platform is stored in a cloud.
5. The virtualization-based automation system remote security operation and maintenance management platform of claim 1, wherein the centralized management and control cloud platform is further configured to perform independent audit and independent management on the security operation and maintenance terminals.
6. The virtualization-based automation system remote security operation and maintenance management platform of claim 1, wherein the centralized management and control cloud platform is further configured to comprehensively record operation contents, operation steps, operation paths and operation results of the security operation and maintenance terminal.
7. The virtualization-based automation system remote security operation and maintenance management platform according to claim 1, wherein the centralized management and control cloud platform is further configured to perform remote precise control on an external device of the security operation and maintenance terminal, where the external device includes a USB device.
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