CN102014166B - Key, video and mouse (KVM) remote monitoring system and method based on public network transmission - Google Patents
Key, video and mouse (KVM) remote monitoring system and method based on public network transmission Download PDFInfo
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- CN102014166B CN102014166B CN 201010583000 CN201010583000A CN102014166B CN 102014166 B CN102014166 B CN 102014166B CN 201010583000 CN201010583000 CN 201010583000 CN 201010583000 A CN201010583000 A CN 201010583000A CN 102014166 B CN102014166 B CN 102014166B
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Abstract
The invention discloses a key, video and mouse (KVM) remote monitoring system and method based on public network transmission. The method comprises the following steps: a, logging in a KVM server, and registering KVM card information on the KVM server; b, displaying the KVM card in a on-line state on the KVM server, and waiting to establish communication with a client personal computer (PC); and c, logging in the KVM server by the client PC, and establishing data transmission connection with the KVM card according to the KVM card information. Compared with the KVM monitoring system of the existing C/S network structure, the KVM remote monitoring system provided by the invention has the advantages that routers and KVM cards in all local area networks are in no need of being configured, thus greatly reducing networking difficulty and reducing the work load; and the client PC can rapidly and exactly find out positions of the monitored PCs in a complicated network, thereby improving the working efficiency.
Description
Technical field
The present invention relates to the KVM technology, what be specifically related to is a kind of KVM long distance control system and method based on the public network transmission.
Background technology
The KVM system is a kind of system that realizes long-range PC Desktop Monitoring based on hardware (keyboard, mouse etc.), it mainly includes monitored PC, KVM card and client rs PC (see figure 1), client rs PC communicates to connect by computer network, KVM card and monitored PC, and the user then can directly monitor monitored PC by the keyboard on the client rs PC and mouse.
KVM card and monitored PC have two physical connection lines, and one is the VGA holding wire, and by this holding wire, the KVM card can be caught the desktop VGA signal of monitored PC; Other one is the USB line, client rs PC can be issued mouse and the keyboard message of KVM card by this USB line and issue monitored PC by usb bus, thereby play the purpose of controlling monitored PC.
The network configuration of KVM card and client adopts C/S structure (being the client-server structure) usually in the market, the KVM card provides KVM service as server, when KVM card and client all were in a local area network (LAN), there was not any problem in this C/S structure.
When KVM card and client are in the public network, and client rs PC is when need be on public network sticking into the row monitoring to KVM, and its monitor procedure is the same with local area network (LAN), adopts the C/S model, and the KVM card is then visited for the KVM client software on the client rs PC as server.In case there is client software to visit up, the KVM card just can be issued the KVM client software by network with the VGA signal, and receives mouse and the keyboard operation instruction of client software.
But visit KVM calorie requirement carries out extra setting to network environment on the public network because the difference of network environment can cause.The network structure that on the public network KVM is sticked into row monitoring as shown in Figure 2, this network configuration must to router and the KVM of local area network (LAN) stick into row following setting in order to have access to outside for the enterprise-class tools that local area network (LAN) Nei Duotai hung KVM card PC on the net:
1, to the setting of router: MAC Address and a fixed ip address of every KVM card are bound together, guarantee that the IP that obtains after every KVM card starts at every turn fixes from router, stick into capable port mapping to every then, for each piece card distributes an independent port;
2, to the setting of KVM card: whether this step needs to depend on that the different machines whether router allows to provide the same services port in the local area network (LAN) is mapped as different outer net ports.If if allow then do not need that KVM is sticked into row setting not allow then need the KVM card that serve port dynamic-configuration function is provided, also to want manual simultaneously and stick into capable setting of ports for every KVM, the port that uses is mapped to the port of this card as outer net.
In local area network (LAN) 1, suppose that wherein the IP of a KVM card is 192.168.1.105, at this moment its IP of client rs PC in the local area network (LAN) is 192.168.1.94, does not then need to carry out extra network settings, client rs PC just can have access to this KVM card; If but client rs PC is on public network, its IP is 213.85.144.26, if at this moment directly removing to visit the interior IP of local area network (LAN) the KVM card that is 192.168.0.93 can't visit, because 192.168.1.105 is the IP address in the local area network (LAN), be not the IP address on the public network, network itself is obstructed.
This moment is if allow the KVM card of this IP address of 192.168.1.105 can be the client-access of 213.85.144.26 by public network IP in the local area network (LAN), just need the router in the local area network (LAN) be configured, open a port mapping, if the service port number of above-mentioned KVM card is 3389, then this moment the forwarding rule of router is arranged, regular as shown in the table after router arranges, ID be the meaning of 5 the 5th setting be all from the public network to the IP bag of this local area network (LAN), if the port numbers of appointment is 3389 then these IP bags are all issued the physical machine (being exactly to have PC or the KV M card that has disposed this IP address) of this IP of 192.168.1.105 in the IP bag.
Yet for the domestic consumer, because the public network IP of family was known in the C/S network architecture requirement before visit KVM card, if the public network IP of family is dynamic change (as ADSL), all to look over public network IP earlier by router before each visit; Also need simultaneously router to be carried out port mapping at home, and when polylith KVM card, also will change the serve port of KVM card, for the part domestic consumer router is carried out port mapping at present and also have certain technical difficulty.
In sum, in public network, adopt C/S network configuration realization client rs PC that monitored PC is monitored, especially monitored PC quantity is more, hang the KVM card more for a long time, need arrange router, KVM etc., not only workload is big, efficient is low, and is easy to produce and obscures, and can't monitor monitored PC quickly and accurately.
Summary of the invention
For this reason, the object of the present invention is to provide a kind of KVM long distance control system and method based on the public network transmission, exist router, KVM are arranged to solve employing C/S structure in the present public network KVM monitoring, workload is big, efficient is low, is easy to generate the problem of obscuring.
For achieving the above object, the present invention is mainly by the following technical solutions:
A kind of KVM long distance control system based on the public network transmission includes:
A plurality of KVM cards are arranged in different local area network (LAN)s, and respectively with respective local area network in monitored PC connect one to one;
One KVM server is connected with above-mentioned local area network (LAN) respectively by public network;
A plurality of client rs PCs are connected with above-mentioned KVM server by public network respectively;
Above-mentioned KVM cartoon is crossed the place local area network (LAN) and is connected to public network, logs on the KVM server by public network, and at this KVM card information of KVM server registration; Described client rs PC is landed above-mentioned KVM server by public network, and imports corresponding KVM card information, and the transfer of data of setting up between the KVM card with this information matches by the KVM server is connected.
Be connected with the usb data line by the VGA holding wire between wherein said KVM card and the monitored PC.
Wherein said KVM card information comprises the access code of identification name and the card of card.
Wherein said KVM server includes state information access unit, CPU, status display unit, data communication units, Information Authentication unit, state recognition unit and authorization information input unit, described state information access unit and KVM card connection are used for KVM card current state is inserted; Status display unit is connected with the state information access unit by CPU, is used for showing the current presence of KVM card according to the access information of state information access unit; State recognition unit is connected with client rs PC, is used for the current presence of KVM card that status display unit is shown and feeds back to client rs PC; Client rs PC verifies by the Information Authentication unit by authorization information input unit input KVM card information, and checking is by then setting up and being connected of KVM card by data communication units.
The present invention also provides a kind of KVM long-distance monitoring method based on the public network transmission in addition, and it specifically comprises step:
A: log on the KVM server, at KVM server registration KVM card information;
C: client rs PC logs on the KVM server, and according to above-mentioned KVM card information, foundation is connected with the transfer of data of this KVM card.
Wherein said step a specifically comprises:
According to the ID on the KVM card number and number of registration, log on the KVM server, KVM is sticked into the row registration, and set the identification name of card and the access code of card.
Also comprise step between wherein said step a and the step c
B:KVM is stuck on the KVM server and shows and be in line states, waits for client rs PC foundation and communicating by letter.
Wherein step b specifically comprises:
B1: the KVM card is installed in the local area network (LAN), and corresponding connection with monitored PC;
B2: open the KVM card and make it be in mode of operation, and be sent in the line states report by public network to the KVM server;
The b3:KVM server is handed down to the KVM card and waits for the instruction of communicating by letter with client rs PC foundation according to this presence report.
Wherein said step c specifically comprises:
C1: client rs PC is landed port by client and is logged on the KVM server;
C2: the log-on message of importing required visit KVM card;
The c3:KVM server is verified the log-on message of this KVM card, if the verification passes, then sets up client rs PC and is connected with the transfer of data of this KVM card.
Data transfer mode among the wherein said step c3 between client rs PC and the KVM card is point-to-point transmission.
The present invention is according to ID number and number of registration of each piece KVM card, KVM is stuck on the public network KVM server registers, and set identification name and the access code of this KVM card, when client rs PC need be monitored monitored PC by the KVM card, only need log on the KVM server by the port that lands of this machine, with known to KVM card identification name and access code input get final product, if the verification passes just can be by the monitoring of KVM card realization to monitored PC.Compare with the KVM supervisory control system of present C/S network configuration, the present invention need not router in all local area network (LAN)s and KVM are sticked into row setting, greatly reduces the difficulty of networking, has reduced workload; And make client rs PC can in complex network, find the position of monitored PC fast and accurately, improved operating efficiency.
Description of drawings
The system block diagram that Fig. 1 monitors monitored PC by the KVM card for client rs PC in the prior art.
Fig. 2 for client rs PC in the prior art by the system block diagram of public network to monitoring with the monitored PC of different K VM card connection in the local area network (LAN).
Fig. 3 is system block diagram of the present invention.
Fig. 4 is the system configuration schematic diagram of KVM card of the present invention.
Fig. 5 is operation principle flow chart of the present invention.
Embodiment
Core concept of the present invention is: at first according to ID number and number of registration of each piece KVM card, KVM is stuck on the public network KVM server registers, and set identification name and the access code of this KVM card, the presence that shows the KVM card simultaneously at the KVM server, when client rs PC need be monitored monitored PC by the KVM card, the port that lands by client rs PC logs on the KVM server, whether the KVM card of checking required visit is online, if, then be connected to this KVM card by the KVM server, and the KVM card identification name known to when connecting, inciting somebody to action and access code input, if the verification passes, then can set up the data communication with the KVM card, realize the monitoring to monitored PC.
For setting forth thought of the present invention and purpose, the present invention is described further below in conjunction with the drawings and specific embodiments.
See also shown in Figure 3ly, Fig. 3 is system block diagram of the present invention.The invention provides a kind of KVM long distance control system based on the public network transmission, include: a plurality of KVM cards, a KVM server and a plurality of client rs PC, the KVM card here all is connected with the KVM server by public network with client rs PC.
Above-mentioned a plurality of KVM cards wherein, be arranged in different local area network (LAN)s, and respectively with respective local area network in monitored PC connect one to one, include at least two local area network (LAN)s among present embodiment Fig. 3, and comprise at least 3 monitored PC in each local area network (LAN), these PC connect one to one with the KVM card respectively, specifically are connected with the usb data line by the VGA holding wire between the two.
And described KVM server is connected with above-mentioned local area network (LAN) respectively by public network; It specifically includes state information access unit, CPU, status display unit, data communication units, Information Authentication unit, state recognition unit and authorization information input unit, described state information access unit is used for KVM card current state is inserted by the KVM card connection in public network and the local area network (LAN); Status display unit is connected with the state information access unit by CPU, is used for showing the current presence of KVM card according to the access information of state information access unit; State recognition unit is connected with client rs PC, is used for the current presence of KVM card that status display unit is shown and feeds back to client rs PC; Client rs PC verifies by the Information Authentication unit by authorization information input unit input KVM card information, and checking is by then setting up and being connected of KVM card by data communication units.
A plurality of client rs PCs are connected with above-mentioned KVM server by public network respectively.
The KVM cartoon is crossed the place local area network (LAN) and is connected to public network, log on the KVM server by public network, and according to ID number and number of registration of KVM card self, register at the KVM server, set identification name and the access code of this KVM card, its concrete registration is all handled by CPU, after registration is finished, CPU can be carried out unique coupling with identification name and the access code of ID number of this KVM card, number of registration and setting, and is stored in the KVM card server, in order to calling at any time.
After finishing above-mentioned registration, (connect normal this moment when the KVM card is in running order, and be in "on" position), will be created in the line states signal, this signal is directly obtained by the state information access unit of KVM card server, the information that status display unit is then obtained according to the state information access unit, the state of this KVM card is shown as online, for you to choose.
When client rs PC need be monitored monitored PC by the KVM card, at first need this machine by client rs PC to land port and log on the KVM server, whether identify the KVM card of required visit by the state recognition unit of KVM card server then online, if not, then stop, if, client rs PC is then by KVM card identification name and access code known to the input of authorization information input unit, and verify by the Information Authentication unit, if identification name and access code are correct, then checking is passed through, and the KVM server will be set up being connected between client rs PC and the KVM card by data communication units; If checking is not passed through, then refuse the request that client rs PC is connected to the KVM card.
More than be that the KVM long distance control system that the present invention is based on the public network transmission is illustrated, below in conjunction with Fig. 5 the KVM long-distance monitoring method that the present invention is based on the public network transmission be further described.
The present invention also provides a kind of KVM long-distance monitoring method based on the public network transmission, wherein mainly comprises step:
A: log on the KVM server, at KVM server registration KVM card information;
According to the ID on the KVM card number and number of registration, log on the KVM server, KVM is sticked into the row registration, and set the identification name of card and the access code of card.
Its concrete steps are: when the KVM card when monitored PC is connected, this moment, the user can be logged on the KVM server by local area network (LAN), public network by monitored PC, and register according to the requirement of KVM server, during its registration, identification title and the recognition code of this KVM card can be set, as identify title and be set to: Zhang San, recognition code is set to: 123456, the user need import ID number and number of registration on the KVM card in registration process, to realize carrying out unique coupling with set identification title and recognition code.
Need to prove that the user can change according to the ID on the KVM card number User names and passwords with the number of registration registration, but must satisfy the registration requirement of KVM server, and can not repeat with the log-on message of other KVM cards in the network.
B:KVM is stuck on the KVM server and shows and be in line states, waits for client rs PC foundation and communicating by letter.
After the registration of finishing the KVM card, the KVM card can send to the KVM card server with own residing operating state, has closed maybe such as the KVM card and can't be connected to the KVM card server, and this moment, the KVM card server showed that then this KVM card is not online; Otherwise then show online.
Wherein its concrete steps are:
B1: the KVM card is installed in the local area network (LAN), and corresponding connection with monitored PC;
At first the KVM card is connected with monitored PC, and makes in this network that KVM card is in KVM is connected, and guarantee that network of living in is unobstructed;
B2: open the KVM card and make it be in mode of operation, and be sent in the line states report by public network to the KVM server;
Start the KVM card then, make it in running order, this moment, the KVM card then can send the state information access unit that online information sends to the KVM server, and the KVM server then shows according to the presence of the information that inserts with the KVM card;
The b3:KVM server is handed down to the KVM card and waits for the instruction of communicating by letter with client rs PC foundation according to this presence report.
C: client rs PC logs on the KVM server, and according to above-mentioned KVM card information, foundation is connected with the transfer of data of this KVM card.
Wherein step c specifically comprises:
C1: client rs PC is landed port by client and is logged on the KVM server;
At first client rs PC is landed port by the client of this machine and is logged on the KVM server, and the client is here landed the network insertion interface that port is the KVM server.
C2: the log-on message of importing required visit KVM card;
Before this, if the PC that checks required monitoring by client rs PC whether online (being whether the KVM card is online) at first is online, then select this KVM to land, this moment prompting input identification title and recognition code are as above-mentioned identification title: Zhang San, recognition code: 123456; Monitored if desired KVM card is not online, then finishes.
The c3:KVM server is verified the log-on message of this KVM card, if the verification passes, then sets up client rs PC and is connected with the transfer of data of this KVM card.
Behind input identification title and recognition code, the KVM card server then can stick into the row checking with this identification title and recognition code and registered KVM, if identification title and recognition code unanimity, then the expression checking is passed through, and can set up transfer of data and connect, if identification title and recognition code are inconsistent, then the expression checking is not passed through, the refusal client rs PC visit this KVM card, when client rs PC repeatedly input password do not verify yet by the time, the KVM card server then can lock this client rs PC.
When client rs PC set up by the KVM card with being connected of monitored PC after, then can control monitored PC by point-to-point data transfer mode.
Compare with the KVM supervisory control system of present C/S network configuration, the present invention is according to ID number and number of registration of each piece KVM card, register at public network KVM server, and set identification name and the access code of this KVM card, when client rs PC need be monitored monitored PC, only need log on the KVM server by the port that lands of this machine, with known to KVM card identification name and access code input get final product, checking is by just can be by the monitoring of KVM card realization to monitored PC.The present invention need not the router in all local area network (LAN)s and KVM are sticked into row setting, greatly reduces the difficulty of networking, has reduced workload; And make client rs PC can in complex network, find the position of monitored PC fast and accurately, improved operating efficiency.
More than be that a kind of KVM long distance control system and method based on the public network transmission provided by the present invention is described in detail, used specific case herein structural principle of the present invention and execution mode are set forth, above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (1)
1. KVM long distance control system based on public network transmission is characterized in that including:
A plurality of KVM cards are arranged in different local area network (LAN)s, and respectively with respective local area network in monitored PC connect one to one; Be connected with the usb data line by the VGA holding wire between described KVM card and the monitored PC;
One KVM server is connected with above-mentioned local area network (LAN) respectively by public network; Described KVM server includes state information access unit, CPU, status display unit, data communication units, Information Authentication unit, state recognition unit and authorization information input unit, described state information access unit and KVM card connection are used for KVM card current state is inserted; Status display unit is connected with the state information access unit by CPU, is used for showing the current presence of KVM card according to the access information of state information access unit; State recognition unit is connected with client rs PC, is used for the current presence of KVM card that status display unit is shown and feeds back to client rs PC; Client rs PC verifies by the Information Authentication unit by authorization information input unit input KVM card information, and checking is by then setting up and being connected of KVM card by data communication units;
A plurality of client rs PCs are connected with above-mentioned KVM server by public network respectively;
Above-mentioned KVM cartoon is crossed the place local area network (LAN) and is connected to public network, logs on the KVM server by public network, and at this KVM card information of KVM server registration; Described KVM card information comprises the access code of identification name and the card of card; Described client rs PC is landed above-mentioned KVM server by public network, and imports corresponding KVM card information, and the transfer of data of setting up between the KVM card with this information matches by the KVM server is connected.
2, a kind of KVM long-distance monitoring method based on the public network transmission is characterized in that comprising step:
A: log on the KVM server, at KVM server registration KVM card information;
According to the ID on the KVM card number and number of registration, log on the KVM server, KVM is sticked into the row registration, and set the identification name of card and the access code of card;
B:KVM is stuck on the KVM server and shows and be in line states, waits for client rs PC foundation and communicating by letter;
B1: the KVM card is installed in the local area network (LAN), and corresponding connection with monitored PC;
B2: open the KVM card and make it be in mode of operation, and be sent in the line states report by public network to the KVM server;
The b3:KVM server is handed down to the KVM card and waits for the instruction of communicating by letter with client rs PC foundation according to this presence report;
C: client rs PC logs on the KVM server, and according to above-mentioned KVM card information, foundation is connected with the transfer of data of this KVM card;
C1: client rs PC is landed port by client and is logged on the KVM server;
C2: the log-on message of importing required visit KVM card;
The c3:KVM server is verified the log-on message of this KVM card, if the verification passes, then sets up client rs PC and is connected with the transfer of data of this KVM card; Data transfer mode between described client rs PC and the KVM card is point-to-point transmission.
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| EP3732869B8 (en) * | 2018-05-04 | 2021-03-17 | BifrostConnect ApS | A remote support device |
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