CN104539749A - Connecting method and device based on virtual IP address - Google Patents
Connecting method and device based on virtual IP address Download PDFInfo
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- CN104539749A CN104539749A CN201410803030.6A CN201410803030A CN104539749A CN 104539749 A CN104539749 A CN 104539749A CN 201410803030 A CN201410803030 A CN 201410803030A CN 104539749 A CN104539749 A CN 104539749A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4535—Network directories; Name-to-address mapping using an address exchange platform which sets up a session between two nodes, e.g. rendezvous servers, session initiation protocols [SIP] registrars or H.323 gatekeepers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention belongs to the field of communication, and provides a connecting method and device based on a virtual IP address. The method comprises the steps that second equipment sends a discovery packet to first equipment, and the discovery packet comprises the type or the serial number or the MAC address of the second equipment; the second equipment receives and analyzes a response packet, corresponding to the discovery packet, sent by the first equipment; the second equipment distributes the virtual IP address and sends a virtual address distribution packet to the first equipment at the same time; the second equipment receives a virtual address distribution response packet, corresponding to the virtual address distribution packet, sent by the first equipment. According to the connecting method and device based on the virtual IP address, the discovery packet and the response packet corresponding to the discovery packet are automatically sent and received, the virtual address distribution packet and the virtual address distribution response packet corresponding to the virtual address distribution packet are sent and received, and therefore automatic connection of the equipment is achieved.
Description
Technical field
The invention belongs to the communications field, particularly relate to a kind of method of attachment based on virtual ip address and device.
Background technology
Network Video Surveillance by wired, Wireless IP network and electric power networks, video information is transmitted with digitized form, is the integrated product of the multinomial new and high technologies such as collection computer, network, communication and a coding and decoding video.Compared with traditional video monitoring, Network Video Surveillance computer of being more convenient for carries out the compression of video information, storage, the automatic business processing such as analysis display and warning, thus realize unattended operation, remote monitor is achieved by the network platform, utilize advanced software systems not only within a few minutes, just can complete data analyses a large amount of in traditional video surveillance, improve monitoring efficiency, and more true to nature, digitized image quality and more convenient, practical monitoring management and maintenance clearly can be obtained.
In Network Video Surveillance field, along with Internet video day by day replaces the universal and application of analog video monitoring in the past, " foolproof " operation of map network video camera (IPC) and network hard disk video recorder (NVR) has become a very important demand, but the connection of general IP address-based web camera and network hard disk video recorder needs to be configured IP address, thus can not realize from being dynamically connected, complicated operation.
Summary of the invention
The embodiment of the present invention provides a kind of method of attachment based on virtual ip address, and being intended to solve in IP address-based connection procedure needs to be configured IP address, thus can not realize from being dynamically connected, the problem of complicated operation.
The embodiment of the present invention is achieved in that a kind of method of attachment based on virtual ip address, and described method comprises:
Second equipment sends and finds that bag is to the first equipment, described discovery handbag draws together the type of described second equipment, sequence number or MAC Address, by the type of described second equipment, described first equipment judges that whether described discovery bag is by coupling checking, described first equipment uniquely determines described second equipment by the sequence number of described second equipment, and described first equipment uniquely determines described second equipment position in a network by the MAC Address of described second equipment;
Described second equipment receives the finding to wrap corresponding response packet with described and resolve described response packet of described first equipment transmission, obtain the device type of described first equipment, sequence number or MAC Address, by the type of described first equipment, described second equipment judges that whether described response packet is by coupling checking, described second equipment uniquely determines described first equipment by the sequence number of described first equipment, and described second equipment uniquely determines described first equipment position in a network by the MAC Address of described first equipment;
Described second equipment distributes virtual ip address and sends virtual address distribution bag to described first equipment simultaneously;
Described second equipment receives and wraps corresponding virtual address and distribute response packet distributing with described virtual address that described first equipment sends.
The embodiment of the present invention also provides a kind of method of attachment based on virtual ip address, and described method comprises:
First equipment receives the discovery bag of the second equipment transmission and resolves it, obtain the device type of described second equipment, sequence number or MAC Address, by the type of described second equipment, described first equipment judges that whether described discovery bag is by coupling checking, described first equipment uniquely determines described second equipment by the sequence number of described second equipment, and described first equipment uniquely determines described second equipment position in a network by the MAC Address of described second equipment;
Described first equipment sends and wraps corresponding response packet to described second equipment with described discovery, described response packet comprises the type of described first equipment, sequence number or MAC Address, by the type of described first equipment, described second equipment judges that whether described discovery bag is by coupling checking, described second equipment uniquely determines described first equipment by the sequence number of described first equipment, and described second equipment uniquely determines described first equipment position in a network by the MAC Address of described first equipment;
The virtual address distribution that described second equipment of described first equipment reception sends is wrapped and arranged virtual ip address is the virtual ip address that described virtual address distributes distribution in bag;
Described first equipment sends and described virtual address is distributed and wrapped corresponding virtual address and distribute response packet to described second equipment.
The embodiment of the present invention also provides the jockey based on virtual ip address of main transmitting terminal, and described device comprises:
Find bag transmitting element, send for main transmitting terminal and find that bag is to main receiving terminal, described discovery handbag draws together the type of main transmitting terminal, sequence number or MAC Address, by the type of described main transmitting terminal, described main receiving terminal judges that whether described discovery bag is by coupling checking, described main receiving terminal uniquely determines described main transmitting terminal by the sequence number of described main transmitting terminal, and described main receiving terminal uniquely determines described main transmitting terminal position in a network by the MAC Address of described main transmitting terminal;
Response packet receives and resolution unit, the finding to wrap corresponding response packet with described and described response packet is resolved of described main receiving terminal transmission is received for described main transmitting terminal, obtain the device type of described main receiving terminal, sequence number or MAC Address, by the type of described main receiving terminal, described main transmitting terminal judges that whether described response packet is by coupling checking, described main transmitting terminal uniquely determines described main receiving terminal by the sequence number of described main receiving terminal, described main transmitting terminal uniquely determines described main receiving terminal position in a network by the MAC Address of described main receiving terminal,
Virtual address distributes bag transmitting element, distributes virtual ip address and sends virtual address simultaneously distribute bag to described main receiving terminal for described main transmitting terminal;
Virtual address distributes response packet receiving element, and distributing with described virtual address of receiving that described main receiving terminal sends for described main transmitting terminal is wrapped corresponding virtual address and distributed response packet.
The embodiment of the present invention also provides a kind of jockey based on virtual ip address of main receiving terminal, and described device comprises:
Find bag receiving element, receive the discovery bag of main transmitting terminal transmission for main receiving terminal and it is resolved, obtain the device type of described main transmitting terminal, sequence number or MAC Address, by the type of described main transmitting terminal, described main receiving terminal judges that whether described discovery bag is by coupling checking, described main receiving terminal uniquely determines described main transmitting terminal by the sequence number of described main transmitting terminal, and described main receiving terminal uniquely determines described main transmitting terminal position in a network by the MAC Address of described main transmitting terminal;
Response packet transmitting element, send for described main receiving terminal and wrap corresponding response packet to described main transmitting terminal with described discovery, described response packet comprises the type of main receiving terminal, sequence number or MAC Address, by the type of described main receiving terminal, described main transmitting terminal judges that whether this discovery bag is by coupling checking, described main transmitting terminal uniquely determines described main receiving terminal by the sequence number of described main receiving terminal, and described main transmitting terminal uniquely determines described main receiving terminal position in a network by the MAC Address of described main receiving terminal;
Virtual address distributes bag receiving element, and the virtual address distribution sent for the described main transmitting terminal of described main receiving terminal reception is wrapped and arranges the virtual ip address that virtual ip address is distribution in described virtual address distribution bag;
Virtual address distributes response packet transmitting element, sends and described virtual address is distributed and wrapped corresponding virtual address and distribute response packet to described main transmitting terminal for described main receiving terminal.
The method of attachment based on virtual ip address that the embodiment of the present invention provides and device, find to wrap and the response packet corresponding with this discovery bag with reception by automatically sending, send and receive virtual address and distribute to wrap and distribute with this virtual address and wrap corresponding virtual address and distribute response packet, thus achieve being certainly dynamically connected between equipment.
Accompanying drawing explanation
Fig. 1 is the implementation environment figure of the method for attachment based on virtual ip address that the embodiment of the present invention provides;
Fig. 2 is the realization flow figure of the method for attachment based on virtual ip address that first embodiment of the invention provides;
Fig. 3 is the realization flow figure of the method for attachment based on virtual ip address that second embodiment of the invention provides;
Fig. 4 is the signal timing diagram of the method for attachment based on virtual ip address that the embodiment of the present invention provides;
Fig. 5 is the structure chart of the jockey based on virtual ip address of the main transmitting terminal that the embodiment of the present invention provides;
Fig. 6 is the structure chart of the jockey based on virtual ip address of the main receiving terminal that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The method of attachment based on virtual ip address that the embodiment of the present invention provides and device, find to wrap and the response packet corresponding with this discovery bag with reception by automatically sending, send and receive virtual address and distribute to wrap and distribute with this virtual address and wrap corresponding virtual address and distribute response packet, thus achieve being certainly dynamically connected between equipment.
Fig. 1 shows the implementation environment of the method for attachment based on virtual ip address that the embodiment of the present invention provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.
Web camera 100 absorbs video image, the vedio data absorbed can be transferred on memory device and store.
Network hard disk video recorder 200 can store the data transferring to network hard disk video recorder 200.
Router three 00 can communicate between the equipment being connected to same router 300.
In embodiments of the present invention, router three 00 can be cable router, also can be wireless router.
Web camera 100 and network hard disk video recorder 200, also in same local area network (LAN), communicate by router three 00, and web camera 100 passes through set up communication connection and sends data to network hard disk video recorder 200.
Consult Fig. 2 and Fig. 4, Fig. 2 shows the realization flow of the method for attachment based on virtual ip address that first embodiment of the invention provides, and Fig. 4 shows the signal timing diagram of the method for attachment based on virtual ip address that the embodiment of the present invention provides, and details are as follows:
In embodiments of the present invention, first the first equipment is arranged, be set to receive broadcast packet, such first equipment just can receive the broadcast packet that miscellaneous equipment sends, be that the first equipment adds specific multicast group address simultaneously, if miscellaneous equipment sends packet to this multicast group address, then the first equipment can receive this packet.
As one embodiment of the present of invention, first web camera 100 is arranged, be set to receive broadcast packet, such web camera 100 just can receive the broadcast packet that miscellaneous equipment sends, add specific multicast group address for web camera 100 simultaneously, if miscellaneous equipment sends packet to this multicast group address, then web camera 100 can receive this packet.
In step s 201, the second equipment sends and finds that bag is to the first equipment.
In embodiments of the present invention, broadcast packet can be received and after adding certain multicast address when setting the first equipment simultaneously, second equipment sends discovery bag by the mode of broadcast or multicast to the first equipment, and the second equipment also can send discovery bag by the mode of broadcast and multicast to the first equipment simultaneously.
In one embodiment of the invention, this discovery bag is customized for type, sequence number or the MAC Address etc. that comprise the second equipment, thus by the type of the second equipment, the first equipment judges that can this discovery bag by coupling checking, first equipment uniquely determines this equipment by the sequence number of the second equipment, and the first equipment uniquely determines the second equipment position in a network by the MAC Address of the second equipment.
In embodiments of the present invention, due to the connection between the first equipment and the second equipment will be realized, so the first equipment to be set to the discovery bag that recrive-only equipment type sends for the second equipment, thus be only found bag be second equipment send time, first equipment could identify it when receiving this discovery bag, and also namely this discovery bag is verified by coupling.Due to sequence number for when each equipment dispatches from the factory with unique number, thus the first equipment uniquely determines this equipment by the sequence number of the second equipment, due to the global unique number that MAC Address possesses for equipment network interface card, so the first equipment uniquely determines this second equipment unique positions in a network by the MAC Address of the second equipment.Realizing after uniquely the determining of the second equipment, then the connection procedure that can realize the first equipment and the second equipment based on this.
In one embodiment of the invention, when this discovery wraps in the second device start, then self-timing sends.
As one embodiment of the present of invention, when being set to receive broadcast packet to web camera 100 and after adding certain multicast address simultaneously, network hard disk video recorder 200 sends discovery bag by the mode of broadcast or multicast to web camera 100, and network hard disk video recorder 200 also can send discovery bag by the mode of broadcast and multicast to web camera 100 simultaneously.
In one embodiment of the invention, this discovery bag is customized for type, sequence number or the MAC Address etc. that comprise network hard disk video recorder 200, thus by the type of network hard disk video recorder 200, web camera 100 judges that can this discovery bag by coupling checking, web camera 100 uniquely determines this network hard disk video recorder 200 by the sequence number of network hard disk video recorder 200, and web camera 100 uniquely determines this network hard disk video recorder 200 position in a network by the MAC Address of network hard disk video recorder 200.
As one embodiment of the present of invention, due to the connection between web camera 100 and network hard disk video recorder 200 will be realized, so web camera 100 to be set to the discovery bag that recrive-only equipment type sends for network hard disk video recorder 200, thus be only found bag for network hard disk video recorder 200 send time, web camera 100 could identify it when receiving this discovery bag, and also namely this discovery bag is verified by coupling.Due to sequence number for when each equipment dispatches from the factory with unique number, thus web camera 100 uniquely determines this equipment by the sequence number of the second equipment, due to the global unique number that MAC Address possesses for equipment network interface card, so web camera 100 uniquely determines this network hard disk video recorder 200 unique positions in a network by the MAC Address of network hard disk video recorder 200.Realizing to after uniquely the determining of network hard disk video recorder 200, then to realize web camera 100 and network hard disk video recorder 200 connection procedure based on this.
In one embodiment of the invention, this discovery wraps in then self-timing transmission when network hard disk video recorder 200 starts.
In step S202, the second equipment receives the response packet corresponding with the discovery bag sent of the first equipment transmission and resolves it.
In embodiments of the present invention, after the second equipment sends discovery bag, after first equipment receives and finds bag, return response packet, thus the second equipment receives the response packet corresponding with the discovery bag that this sends and resolves it, owing to comprising the type of the first equipment at this response packet, sequence number or MAC Address, thus by the type of the first equipment, the second equipment judges that can the first equipment by coupling checking, second equipment uniquely determines this first equipment by the sequence number of the first equipment, second equipment uniquely determines this first equipment position in a network by the MAC Address of the first equipment.
As one embodiment of the present of invention, after network hard disk video recorder 200 sends discovery bag, after web camera 100 receives and finds bag, return response packet, thus network hard disk video recorder 200 receives the response packet corresponding with the discovery bag that this sends and resolves it, owing to comprising the type of web camera 100 at this response packet, sequence number or MAC Address, so network hard disk video recorder 200 is by carrying out response packet resolving the type that can obtain web camera 100, sequence number or MAC Address, and by the type of web camera 100, network hard disk video recorder 200 judges that can web camera 100 by coupling checking, network hard disk video recorder 200 uniquely determines this web camera 100 by the sequence number of web camera 100, network hard disk video recorder 200 uniquely determines this web camera 100 position in a network by the MAC Address of web camera 100.
In step S203, the second equipment distributes virtual ip address and sends virtual address distribution bag to the first equipment simultaneously.
In embodiments of the present invention, when the second equipment receives response packet corresponding to the discovery bag that sends with it and after resolving it, obtain the device type of the first equipment sending this response packet, sequence number or MAC Address, thus uniquely determine the first equipment connected with it according to this information after, then can be that the first equipment distributes virtual ip address and sends virtual ip address distribution bag to the first equipment simultaneously.
As one embodiment of the present of invention, when the second equipment is receiving response packet corresponding to the discovery bag that sends with it and after resolving it, obtain the device type of the first equipment sending this response packet, sequence number or MAC Address, thus uniquely determine the first equipment connected with it according to this information after.Before distributing virtual ip address for the first equipment, be first that the second equipment itself sets up a virtual ip address, then be that the first equipment distributes a unappropriated virtual ip address and sends virtual ip address distribution bag to the first equipment simultaneously.Wherein, the virtual ip address of the first equipment and the virtual ip address of the second equipment are be in the virtual ip address in same local area network (LAN), and are different from the IP address of the first equipment and the second equipment itself.In embodiments of the present invention, the second equipment sends virtual address distribution bag to the first equipment by the mode of broadcast or multicast, and the second equipment also can send virtual address distribution bag to the first equipment by the mode of broadcast and multicast simultaneously.
In embodiments of the present invention, when network hard disk video recorder 200 receives response packet corresponding to the discovery bag that sends with it and after resolving it, obtain the type of the web camera sending this response packet, sequence number or MAC Address, thus uniquely determine the web camera 100 connected with it according to this information after, then can distribute bag to web camera 100 for web camera 100 distributes virtual ip address and sends virtual ip address simultaneously.
As one embodiment of the present of invention, when network hard disk video recorder 200 is receiving response packet corresponding to the discovery bag that sends with it and after resolving it, obtain the type of the web camera 100 sending this response packet, sequence number or MAC Address, thus uniquely determine the web camera 100 connected with it according to this information after, before distributing virtual ip address for web camera 100, first a virtual ip address itself is set up for network hard disk video recorder 200, also send virtual ip address distribution bag to web camera 100 again for web camera 100 distributes a unappropriated virtual ip address simultaneously.Wherein, the virtual ip address of web camera 100 and the virtual ip address of network hard disk video recorder 200 are be in the virtual ip address in same local area network (LAN), and are different from the IP address of web camera 100 and network hard disk video recorder 200 itself.
In embodiments of the present invention, network hard disk video recorder 200 sends virtual address distribution bag to web camera 100 by the mode of broadcast or multicast, and network hard disk video recorder 200 also can send virtual address distribution bag to web camera 100 by the mode of broadcast and multicast simultaneously.
In step S204, the second equipment receives the virtual address distribution response packet that the first equipment sends.
In embodiments of the present invention, wrap after to the first equipment when the second equipment sends virtual address distribution, first equipment receives after this virtual address distributes bag and also successfully arranges virtual ip address, and send virtual address distribution response packet to the second equipment by broadcast packet or multicast packets, thus the second equipment reception virtual address distribution response packet proves that the virtual ip address of first equipment that receives arranges successful information.
As one embodiment of the present of invention, wrap after to web camera 100 when network hard disk video recorder 200 sends virtual address distribution, web camera 100 receives after this virtual address distributes bag and arranges virtual ip address, and send virtual address by broadcast packet or multicast packets and distribute response packet to network hard disk video recorder 200, thus network hard disk video recorder 200 receives virtual address distributes response packet and prove that the virtual ip address receiving web camera 100 arranges successful information.
Fig. 3 shows the realization flow of the method for attachment based on virtual ip address that second embodiment of the invention provides, and details are as follows:
In step S301, the first equipment receives the discovery bag of the second equipment transmission and resolves it.
In embodiments of the present invention, because the first equipment is set to can accept broadcast packet and add multicast address, thus the second equipment by broadcast or the mode of multicast send find bag time, the discovery bag that second equipment that can receive sends also is resolved it, obtain the type of the transmit leg of this discovery bag, sequence number or MAC Address, thus by the type of the second equipment, the first equipment judges that can this discovery bag by checking, first equipment can lead to sequence number uniquely determines this second equipment, first equipment uniquely determines this second equipment position in a network by the MAC Address of the second equipment.
As one embodiment of the present of invention, because web camera 100 is set to can accept broadcast packet and add multicast address, thus network hard disk video recorder 200 by broadcast or the mode of multicast send find bag time, the discovery bag of network hard disk video recorder 200 transmission can be received and it is resolved, obtain the type of the transmit leg of this discovery bag, sequence number or MAC Address, thus by the type of network hard disk video recorder 200, web camera 100 judges that can this discovery bag by coupling checking, web camera 100 uniquely determines this network hard disk video recorder 200 by the sequence number of network hard disk video recorder 200, web camera 100 uniquely determines this network hard disk video recorder 200 position in a network by the MAC Address of network hard disk video recorder 200.
In step s 302, the first equipment sends the response packet corresponding with the discovery bag received to the second equipment.
In embodiments of the present invention, receive the discovery bag of the second equipment transmission when the first equipment and after it is resolved, send the response packet corresponding with the discovery bag received.
As one embodiment of the present of invention, when the first equipment receive second equipment send discovery bag and after it is resolved, send the response packet corresponding with the discovery bag received, and in this response packet, report the type of the first equipment, sequence number or MAC Address, thus according to the type of the first equipment, the second equipment can judge that can this response packet by coupling checking when receiving this response packet, uniquely determine this first equipment according to the sequence number of the first equipment again, and uniquely determine the first equipment position in a network according to the MAC Address of the first equipment.
In one embodiment of the invention, the first equipment sends the response packet corresponding with the discovery bag received by the mode of broadcast or multicast, and the first equipment also can send the response packet corresponding with the discovery bag received by the mode of broadcast and multicast simultaneously.
In one embodiment of the invention, receive the discovery bag of network hard disk video recorder 200 transmission when web camera 100 and after it is resolved, send the response packet corresponding with the discovery bag received.
As one embodiment of the present of invention, when web camera 100 receive network hard disk video recorder 200 send discovery bag and after it is resolved, send the response packet corresponding with the discovery bag received, and in this response packet the sequence number of report network video camera 100 or MAC Address, thus according to the type of web camera 100, network hard disk video recorder 200 can judge that can this response packet by coupling checking when receiving this response packet, this web camera 100 is uniquely determined again according to the sequence number of web camera 100, and uniquely determine this web camera 100 position in a network according to the MAC Address of web camera 100.
In one embodiment of the invention, web camera 100 sends the response packet corresponding with the discovery bag received by the mode of broadcast or multicast, and web camera 100 also can send the response packet corresponding with the discovery bag received by the mode of broadcast and multicast simultaneously.
In step S303, the virtual address distribution that the first equipment receives the second equipment transmission is wrapped and arranges the virtual ip address that virtual ip address is distribution in this virtual address distribution bag.
In embodiments of the present invention, after the second equipment receives the response packet of the first equipment transmission and after it is resolved, second equipment is that the first equipment distributes virtual ip address and sends virtual ip address simultaneously and distributes bag to the first equipment, thus the first equipment receives this virtual address distributes bag and simultaneously equipment virtual ip address is that this virtual ip address distributes the virtual ip address distributed in bag.
As one embodiment of the present of invention, after network hard disk video recorder 200 receives the response packet of web camera 100 transmission and after it is resolved, network hard disk video recorder 200 distributes bag to web camera 100 for web camera 100 distributes virtual ip address and sends virtual ip address simultaneously, thus web camera 100 receives this virtually interestedly distributes bag and equipment virtual ip address is that this virtual ip address distributes the virtual ip address distributed in bag simultaneously.
In step s 304, the first equipment sends and the virtual address that this receives is distributed and wrapped corresponding virtual address and distribute response packet to the second equipment.
In embodiments of the present invention, when the first equipment receive virtual address that the second equipment sends distribute bag after and to arrange virtual ip address be after this virtual address distributes the virtual ip address distributed in bag, the first equipment transmission and the virtual address that this receives are distributed and are wrapped corresponding virtual address and distribute response packet.
As one embodiment of the present of invention, first equipment sends by broadcast or the mode of multicast the virtual address received with this and distributes and wrap corresponding virtual address and distribute response packet, and the first equipment also can simultaneously by broadcast and the mode of multicast sends the virtual address received with this and distributes and wrap corresponding virtual address and distribute response packet.
In one embodiment of the invention, when web camera 100 receive virtual address that network hard disk video recorder 200 sends distribute bag after and to arrange virtual ip address be after this virtual address distributes the virtual ip address distributed in bag, web camera 100 transmission and the virtual address that this receives are distributed and are wrapped corresponding virtual address and distribute response packet.
As one embodiment of the present of invention, web camera 100 sends by broadcast or the mode of network multicast the virtual address received with this and distributes and wrap corresponding virtual address and distribute response packet, and web camera 100 also can simultaneously by broadcast and the mode of multicast sends to distribute with the virtual address received and wraps corresponding virtual address and distribute response packet.
In embodiments of the present invention, after being connected by above-mentioned steps between the first equipment and the second equipment, virtual ip address again based on the first equipment communicates with the virtual ip address of the second equipment, and upper layer communication agreement is with the same with the communication protocol carried out communicating in the IP address of the second equipment based on the IP address of the first equipment.
In one embodiment of the invention, after being connected by above-mentioned steps between web camera 100 and network hard disk video recorder 200, the virtual ip address of video camera 100 Network Based communicates with the virtual ip address of network hard disk video recorder 200 again, and upper layer communication agreement is the same with the communication protocol carried out communicating in the IP address of network hard disk video recorder 200 with the IP address of video camera 100 Network Based.
Fig. 5 is the structure of the main transmitting terminal of the jockey based on virtual ip address that example of the present invention provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.
In embodiments of the present invention, first main receiving terminal is arranged, be set to receive broadcast packet, main like this receiving terminal just can receive the broadcast packet that miscellaneous equipment sends, be that main receiving terminal adds specific multicast group address simultaneously, if miscellaneous equipment sends packet to this multicast group address, then main receiving terminal can receive this packet.
Find that bag transmitting element 400 sends and find bag.
In embodiments of the present invention, broadcast packet can be received and after adding certain multicast address when setting main receiving terminal simultaneously, the discovery bag transmitting element 400 of main transmitting terminal wraps to main receiving terminal transmission discovery by the mode of broadcast or multicast, and the discovery bag transmitting element 400 of main transmitting terminal also can be wrapped to main receiving terminal transmission discovery by the mode of broadcast and multicast simultaneously.
In one embodiment of the invention, this discovery bag is customized for type, sequence number or the MAC Address etc. that comprise main transmitting terminal, thus by the type of main transmitting terminal, main receiving terminal judges that can this discovery bag by coupling checking, main transmitting terminal uniquely determines this equipment by the sequence number of main receiving terminal or MAC Address.
Response packet reception receives the response packet corresponding with the discovery bag sent with resolution unit 500 and resolves it.
In embodiments of the present invention, after main transmitting terminal sends discovery bag, after the response packet of main receiving terminal receives and to receive with resolution unit 500 and find to wrap, return response packet, thus main transmitting terminal receives the response packet corresponding with the discovery bag that this sends and resolves it, owing to comprising the type of main receiving terminal, sequence number or MAC Address at this response packet, so main transmitting terminal is by carrying out response packet resolving type, sequence number or the MAC Address that can obtain main receiving terminal.
Virtual address is distributed bag transmitting element 600 and is distributed virtual ip address and send virtual address distribution bag simultaneously.
In embodiments of the present invention, when main transmitting terminal receives response packet corresponding to the discovery bag that sends with it and after resolving it, obtain the device type of the main receiving terminal sending this response packet, sequence number or MAC Address, thus uniquely determine the main receiving terminal connected with it according to this information after, then virtual address distributes bag transmitting element 600 can be that main receiving terminal distributes virtual ip address and sends virtual ip address distribution bag to main receiving terminal simultaneously.
As one embodiment of the present of invention, when main transmitting terminal is receiving response packet corresponding to the discovery bag that sends with it and after resolving it, obtain the device type of main receiving terminal, sequence number or the MAC Address that send this response packet, thus uniquely determine the main receiving terminal that connects with it according to this information.Before distributing virtual ip address for main receiving terminal, first virtual address distributes bag transmitting element 600 is that main transmitting terminal itself sets up a virtual ip address, then is that main receiving terminal distributes a unappropriated virtual ip address and sends virtual ip address distribution bag to main receiving terminal simultaneously.Wherein, the virtual ip address of main receiving terminal and the virtual ip address of main transmitting terminal are be in the virtual ip address in same local area network (LAN), and are different from the IP address of main receiving terminal and main transmitting terminal itself.
In embodiments of the present invention, the virtual address of main transmitting terminal is distributed bag transmitting element 600 and is sent virtual address by the mode of broadcast or multicast and distribute bag to main receiving terminal, and the virtual address of main transmitting terminal is distributed bag transmitting element 600 and also can be sent virtual address distribution by the mode of broadcast and multicast simultaneously and wrap to main receiving terminal.
Virtual address is distributed response packet receiving element 700 and is received virtual address distribution response packet.
In embodiments of the present invention, wrap after to main receiving terminal when main transmitting terminal sends virtual address distribution, main receiving terminal receives after this virtual address distributes bag and also successfully arranges virtual ip address, and send virtual address by broadcast packet or multicast packets and distribute response packet to main transmitting terminal, thus the virtual address of main transmitting terminal is distributed response packet receiving element 700 and is received virtual address and distribute response packet and prove that the virtual ip address receiving main receiving terminal arranges successful information.
In embodiments of the present invention, main transmitting terminal can be network hard disk video recorder 200, and main receiving terminal can be web camera 100.
Fig. 6 is the structure of the main receiving terminal of the jockey based on virtual ip address that the embodiment of the present invention provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.
Find that bag receiving element 800 receives find bag and resolve it.
In embodiments of the present invention, because main receiving terminal is set to can accept broadcast packet and add multicast address, thus main transmitting terminal by broadcast or the mode of multicast send find bag time, find that bag receiving element 800 can receive the discovery bag of main transmitting terminal transmission and resolve it, obtain the type of the transmit leg of this discovery bag, sequence number or MAC Address, thus by the type of main transmitting terminal, main receiving terminal judges that can this discovery bag by coupling checking, main receiving terminal uniquely determines this equipment by the sequence number of main transmitting terminal or MAC Address.
Response packet transmitting element 900 sends the response packet corresponding with the discovery bag received.
In embodiments of the present invention, receive the discovery bag of main transmitting terminal transmission when main receiving terminal and after it is resolved, send the response packet corresponding with the discovery bag received.
As one embodiment of the present of invention, when main receiving terminal receive main transmitting terminal send discovery bag and after it is resolved, response packet transmitting element 900 sends the response packet corresponding with the discovery bag received, and in this response packet, report the type of main receiving terminal, sequence number or MAC Address, thus according to the type of main receiving terminal, main transmitting terminal can judge that can this response packet by coupling checking, more uniquely determine this main receiving terminal according to the sequence number of main receiving terminal or MAC Address when receiving this response packet.
In one embodiment of the invention, the response packet transmitting element 900 of main receiving terminal sends the response packet corresponding with the discovery bag received by the mode of broadcast or multicast, and the response packet transmitting element 900 of main receiving terminal also can send the response packet corresponding with the discovery bag received by the mode of broadcast and multicast simultaneously.
Virtual address distribution bag receiving element 1000 receives virtual address distribution and wraps and arrange the virtual ip address that virtual ip address is distribution in this virtual address distribution bag.
In embodiments of the present invention, after main transmitting terminal receives the response packet of main receiving terminal transmission and after it is resolved, main transmitting terminal is that main receiving terminal distributes virtual ip address and sends virtual ip address simultaneously and distributes bag to main receiving terminal, thus main receiving terminal receives this virtual address distributes bag and simultaneously equipment virtual ip address is that this virtual ip address distributes the virtual ip address distributed in bag.
Virtual address is distributed response packet transmitting element 1100 and to be sent and the virtual address that this receives is distributed and wrapped corresponding virtual address and distribute response packet.
In embodiments of the present invention, when main receiving terminal receive virtual address that main receiving terminal sends distribute bag after and to arrange virtual ip address be after this virtual address distributes the virtual ip address distributed in bag, the virtual address of main receiving terminal is distributed the transmission of response packet transmitting element 1100 and the virtual address that this receives and is distributed and wrap corresponding virtual address and distribute response packet.
As one embodiment of the present of invention, the virtual address of main receiving terminal is distributed response packet transmitting element 1100 and is sent by the mode of broadcast or multicast the virtual address received with this and distributes and wrap corresponding virtual address and distribute response packet, and the virtual address distribution response packet transmitting element 1100 of main receiving terminal also can simultaneously by broadcast and the mode of multicast sends the virtual address received with this and distributes and wrap corresponding virtual address and distribute response packet.
In embodiments of the present invention, main transmitting terminal can be network hard disk video recorder 200, and main receiving terminal can be web camera 100.
The method of attachment based on virtual ip address that the embodiment of the present invention provides and device, find to wrap and the response packet corresponding with this discovery bag with reception by automatically sending, send and receive virtual address and distribute to wrap and distribute with this virtual address and wrap corresponding virtual address and distribute response packet, thus achieve being certainly dynamically connected between equipment.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. based on a method of attachment for virtual ip address, it is characterized in that, described method comprises:
Second equipment sends and finds that bag is to the first equipment, described discovery handbag draws together the type of described second equipment, sequence number or MAC Address, by the type of described second equipment, described first equipment judges that whether described discovery bag is by coupling checking, described first equipment uniquely determines described second equipment by the sequence number of described second equipment, and described first equipment uniquely determines described second equipment position in a network by the MAC Address of described second equipment;
Described second equipment receives the finding to wrap corresponding response packet with described and resolve described response packet of described first equipment transmission, obtain the device type of described first equipment, sequence number or MAC Address, by the type of described first equipment, described second equipment judges that whether described response packet is by coupling checking, described second equipment uniquely determines described first equipment by the sequence number of described first equipment, and described second equipment uniquely determines described first equipment position in a network by the MAC Address of described first equipment;
Described second equipment distributes virtual ip address and sends virtual address distribution bag to described first equipment simultaneously;
Described second equipment receives and wraps corresponding virtual address and distribute response packet distributing with described virtual address that described first equipment sends.
2. as claimed in claim 1 based on the method for attachment of virtual ip address, it is characterized in that, described second equipment sends described discoverys bag or described virtual address when distributing bag to described first equipment, by broadcast, multicast or simultaneously by broadcast and the mode of multicast sends.
3. IP address-based method of attachment as claimed in claim 1, is characterized in that, described second equipment sends described discovery bag and is specially described first equipment to when:
Described second equipment self-timing sends described discovery bag to described first equipment.
4. based on a method of attachment for virtual ip address, it is characterized in that, described method comprises:
First equipment receives the discovery bag of the second equipment transmission and resolves it, obtain the device type of described second equipment, sequence number or MAC Address, by the type of described second equipment, described first equipment judges that whether described discovery bag is by coupling checking, described first equipment uniquely determines described second equipment by the sequence number of described second equipment, and described first equipment uniquely determines described second equipment position in a network by the MAC Address of described second equipment;
Described first equipment sends and wraps corresponding response packet to described second equipment with described discovery, described response packet comprises the type of described first equipment, sequence number or MAC Address, by the type of described first equipment, described second equipment judges that whether described discovery bag is by coupling checking, described second equipment uniquely determines described first equipment by the sequence number of described first equipment, and described second equipment uniquely determines described first equipment position in a network by the MAC Address of described first equipment;
The virtual address distribution that described second equipment of described first equipment reception sends is wrapped and arranged virtual ip address is the virtual ip address that described virtual address distributes distribution in bag;
Described first equipment sends and described virtual address is distributed and wrapped corresponding virtual address and distribute response packet to described second equipment.
5. as claimed in claim 4 based on the method for attachment of virtual ip address, it is characterized in that, described first equipment sends described response packet or described virtual address when distributing response packet to described second equipment, by broadcast, multicast or simultaneously by broadcast and the mode of multicast sends.
6. the method for attachment based on virtual ip address as described in claim 1 or 4, is characterized in that, described first equipment is web camera, and described second equipment is network hard disk video recorder.
7. the jockey based on virtual ip address of main transmitting terminal, is characterized in that, described device comprises:
Find bag transmitting element, send for main transmitting terminal and find that bag is to main receiving terminal, described discovery handbag draws together the type of main transmitting terminal, sequence number or MAC Address, by the type of described main transmitting terminal, described main receiving terminal judges that whether described discovery bag is by coupling checking, described main receiving terminal uniquely determines described main transmitting terminal by the sequence number of described main transmitting terminal, and described main receiving terminal uniquely determines described main transmitting terminal position in a network by the MAC Address of described main transmitting terminal;
Response packet receives and resolution unit, the finding to wrap corresponding response packet with described and described response packet is resolved of described main receiving terminal transmission is received for described main transmitting terminal, obtain the device type of described main receiving terminal, sequence number or MAC Address, by the type of described main receiving terminal, described main transmitting terminal judges that whether described response packet is by coupling checking, described main transmitting terminal uniquely determines described main receiving terminal by the sequence number of described main receiving terminal, described main transmitting terminal uniquely determines described main receiving terminal position in a network by the MAC Address of described main receiving terminal,
Virtual address distributes bag transmitting element, distributes virtual ip address and sends virtual address simultaneously distribute bag to described main receiving terminal for described main transmitting terminal;
Virtual address distributes response packet receiving element, and distributing with described virtual address of receiving that described main receiving terminal sends for described main transmitting terminal is wrapped corresponding virtual address and distributed response packet.
8. the jockey based on virtual ip address of main transmitting terminal as claimed in claim 7, it is characterized in that, described main transmitting terminal sends described discoverys bag or described virtual address when distributing bag to described main receiving terminal, by broadcast, multicast or simultaneously by broadcast and the mode of multicast sends.
9. the jockey based on virtual ip address of main transmitting terminal as claimed in claim 7, is characterized in that, described main transmitting terminal sends described discovery bag and is specially described main receiving terminal to when:
Described main transmitting terminal self-timing sends described discovery bag to described main receiving terminal.
10. the jockey based on virtual ip address of main receiving terminal, is characterized in that, described device comprises:
Find bag receiving element, receive the discovery bag of main transmitting terminal transmission for main receiving terminal and it is resolved, obtain the device type of described main transmitting terminal, sequence number or MAC Address, by the type of described main transmitting terminal, described main receiving terminal judges that whether described discovery bag is by coupling checking, described main receiving terminal uniquely determines described main transmitting terminal by the sequence number of described main transmitting terminal, and described main receiving terminal uniquely determines described main transmitting terminal position in a network by the MAC Address of described main transmitting terminal;
Response packet transmitting element, send for described main receiving terminal and wrap corresponding response packet to described main transmitting terminal with described discovery, described response packet comprises the type of main receiving terminal, sequence number or MAC Address, by the type of described main receiving terminal, described main transmitting terminal judges that whether this discovery bag is by coupling checking, described main transmitting terminal uniquely determines described main receiving terminal by the sequence number of described main receiving terminal, and described main transmitting terminal uniquely determines described main receiving terminal position in a network by the MAC Address of described main receiving terminal;
Virtual address distributes bag receiving element, and the virtual address distribution sent for the described main transmitting terminal of described main receiving terminal reception is wrapped and arranges the virtual ip address that virtual ip address is distribution in described virtual address distribution bag;
Virtual address distributes response packet transmitting element, sends and described virtual address is distributed and wrapped corresponding virtual address and distribute response packet to described main transmitting terminal for described main receiving terminal.
The jockey based on virtual ip address of 11. main receiving terminals as claimed in claim 10, it is characterized in that, described main receiving terminal sends described response packet or described virtual address when distributing response packet to described main transmitting terminal, by broadcast, multicast or simultaneously by broadcast and the mode of multicast sends.
12. jockeys based on virtual ip address as described in claim 7 or 10, it is characterized in that, described main receiving terminal is web camera, and described main transmitting terminal is network hard disk video recorder.
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