CN103685467B - A kind of Internet of Things interconnects platform and its communication means - Google Patents

A kind of Internet of Things interconnects platform and its communication means Download PDF

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CN103685467B
CN103685467B CN201310571987.8A CN201310571987A CN103685467B CN 103685467 B CN103685467 B CN 103685467B CN 201310571987 A CN201310571987 A CN 201310571987A CN 103685467 B CN103685467 B CN 103685467B
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address
computer
participant
platform
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CN103685467A (en
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伏治军
周越
雷波
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Abstract

Interconnected platform and its communication means the invention discloses a kind of Internet of Things, platform includes at least one server cluster, each cluster includes calculating portal server and storage portal server, and multiple calculating participant computers, multiple storage participant computers, the computer or server via Ethernet of same cluster are connected.Each calculating/storage portal server is included：Public network static ip address and UDP port number, and internal address and UDP port number；Each calculating/storage participant's computer is included：Internal address and UDP port number.Smart machine positioned at global each region is by portal server access platform, with the agent equipment on platform or other smart device communications of access platform.Infinite multiple smart machines can be uniformly accessed into by the platform by internet, and each equipment has unique mailing address number, can carry out any communication between people and smart machine remotely and whenever and wherever possible.

Description

A kind of Internet of Things interconnects platform and its communication means
Technical field
The present invention relates to Internet of Things field, more particularly to a kind of Internet of Things interconnects technology.
Background technology
Maturation and popularization with mobile Internet, Internet of Things come into high-speed development period, and the target of Internet of Things is exactly At any time and any place, person to person, people and object, object and object, be free to communication.Here object is intelligence The object of energy object, the i.e. chip such as provided with processor CPU/DSP and software.But current IPv4 networks only have more than 40 hundred million Ipv4 Address, address resource is in short supply, and communication is required for source address and destination address on Ipv4 networks, that is to say, that only more than 40 Hundred million nodes directly can be communicated on an ipv 4 network, and before Ipv6 basic networks and technology maturation, present situation far can not be met Magnanimity level intelligent object is directly accessed current IPv4 networks, carries out the active demand directly and effectively communicated.
In order to partly solve the problem, prior art utilizes VPN technologies (the point-to-point protocol PPPoE based on Ethernet, the Layer 2 Tunneling Protocol L2TP, Point to Point Tunnel Protocol PPTP, procotol security IPSEC etc.) by existing Ethernet On the basis of build virtual channel, realize the networking technology of private network, solve the communication issue of a part.But the technology is general For the structure of middle-size and small-size dedicated network, the trend without hardware and software platform.
In addition, though VPN technologies (PPPoE, L2TP, PPTP, IPSEC etc.) are ripe, but its complicated access interface, The application of the intelligent object in Internet of Things market of very low side (such as 8 single-chip microcomputers) controller is limited, also, it is one kind The tunneling technique of networking, does not solve the problems, such as that platform service end is adapted to the infinite expanding of magnanimity node.
The content of the invention
, can be with the present invention solves the technical problem of providing a kind of Internet of Things to interconnect platform and its communication means Infinite multiple smart machines are uniformly accessed into Internet internets, and each smart machine can be obtained uniquely communicatedly Location number, can carry out point-to-point, point-to-multipoint, multi-multipoint logical between people and smart machine remotely and whenever and wherever possible Letter.
In order to solve the above-mentioned technical problem, interconnected platform the invention provides a kind of Internet of Things, comprising at least one Server cluster, each server cluster is included：Portal server and more than one participant's server or computer, Mei Gemen Family server is included between each server or computer in a public network static ip address, same server cluster by interior Net is connected；
The interconnect smart machine of platform of each access Internet of Things is assigned in a sign address digit, platform and each taken One sign address digit scope of portal server correspondence of business device cluster, if the sign address digit of smart machine is in door In the range of the corresponding sign address digit of server, then the portal server is the ownership portal server of the smart machine, intelligence Energy equipment preserves the static ip address or domain name that its belongs to portal server, according to the static ip address or domain name, with ownership door Family server is connected, and ownership portal server provides the route that interconnects between target device for it；
One sign address digit number section of each participant's server or computer correspondence in server cluster, is affiliated A part in the corresponding sign address digit scope of portal server of server cluster, participant's server or computer are The proxy server or computer of smart machine of the address digit in number section are indicated, function porxy is provided for smart machine.
As a further improvement, being protected on portal server and participant's server or computer in each server cluster There is a routing table, covers up to the routing iinformation of any smart machine of access platform and to any smart machine on platform Proxy server or computer routing iinformation；
Every routing iinformation is included：Via the destination address of book server or the message of computer, reach the destination address The next hop address to be sent.
As a further improvement, destination address is included：Sign address digit two parts of address style and smart machine；
Address style is comprised at least：Smart machine is in itself, smart machine is in the proxy server or computer of the platform, ground What location type was used for the current expression for indicating this destination address be the corresponding smart machine of sign address digit in itself, or the mark Show proxy server or computer of the corresponding smart machine of address digit in the platform.
The network information table of this platform is preserved on platform as a further improvement, Internet of Things interconnects, the platform is included In all portal server information, participant's server or computerized information, each participant's server or computer it is corresponding Indicate address digit number section；
Portal server information is comprised at least：Static ip address and user data package of the portal server in public network Protocol UDP port number, the internal address and UDP port number of the portal server；
Participant's server or computerized information are comprised at least：The internal address and UDP of participant's server or computer Port numbers；
The routing table that portal server, participant's server or computer in each server cluster are preserved is according to network Information table is automatically generated.
As a further improvement, the size of the corresponding sign address digit scope of portal server is by the portal server institute The maximum load capability for belonging to server cluster is determined；
The size of participant's server or the corresponding sign address digit number section of computer is by participant's server or meter The maximum load capability of calculation machine is determined.
As a further improvement, the portal server in each server cluster is further divided into：Calculate processing door clothes Business device and storage processing portal server；It is only that each calculating processing portal server and storage processing portal server include one Vertical public network static ip address；Processing portal server is calculated to provide by the calculating of book server processing related news Route, storage processing portal server is provided in route, server cluster to handle related news by the storage of book server The static ip address or domain name for the ownership portal server that smart machine is preserved, portal server is handled for the calculating of the cluster Static ip address or domain name；
Participant's server or computer in each server cluster are further divided into：Calculate participant's server or meter Calculation machine, storage participant's server or computer；It is the intelligence in its corresponding number section to calculate participant's server or computer Equipment, which is provided, calculates processing function agency, and storage participant's server or computer are that the smart machine in its corresponding number section is carried For store function agency.
Interconnect the communication means of platform present invention also offers a kind of Internet of Things, comprises the steps of：
Access Internet of Things interconnect platform smart machine periodically to its belong to portal server send current location Information；
When needing to be interconnected, smart machine or its proxy server or computer belong to portal server to it Transmission is interconnected message, and the sign address digit of Intelligent target equipment is comprised at least in the message that interconnects；Belong to door clothes Business device initiates communication lines by repeating process for it.
As a further improvement, this method is also comprised the steps of：
Each self-generating of portal server in each server cluster covers any intelligence up to access platform all the way by table The routing iinformation of equipment and the proxy server or the routing iinformation of computer to any smart machine on platform, every route Packet contains：Via the destination address of book server or the message of computer, reach the destination address next-hop to be sent Address；
Portal server in each server cluster provides communication lines by turning according to the routing table preserved for smart machine Hair process.
As a further improvement, the portal server in each server cluster is further divided into：Calculate processing door clothes Business device and storage processing portal server；
Each processing portal server and storage processing portal server of calculating is included：The static IP of one public network Location and UDP port number, and an internal address and UDP port number；
Participant's server or computer in each server cluster are further divided into：Calculate participant's server or meter Calculation machine, storage participant's server or computer；
Each calculating participant's server or computer, storage participant's server or computer are included：Entoilage in one Location and UDP port number, and one sign address digit number section of correspondence, calculating or store function are provided for the smart machine in number section Agency；
Calculating processing portal server, storage processing portal server in each server cluster, calculating participant's service Device or computer, storage participant's server or each self-generating of computer are all the way by table；Cover any intelligence up to access platform The routing iinformation of energy equipment and the proxy server or the routing iinformation of computer to any smart machine on platform；
Every routing iinformation is included：Via the destination address of book server or the message of computer, reach the destination address The next hop address to be sent；
Calculating processing portal server in each server cluster is according to the routing table preserved, for by book server Calculate processing related news and route is provided；
Storage processing portal server in each server cluster is according to the routing table preserved, for by book server Storage processing related news provide route；
Calculating participant server or computer in each server cluster, storage participant's server or computer according to The routing table preserved, is that book server or computer are sent to disappearing for any smart machine of the platform, server or computer Breath provides route.
As a further improvement, destination address is the network layer address of smart machine, address style and smart machine are included Sign address digit two parts；
Address style is comprised at least：Mark 0, represents smart machine in itself；Mark 1, represents meter of the smart machine in platform Calculate the calculating agency of service function；Mark 2, represents storage agent of the smart machine in the storage service function of platform；Address class What type was used for the current expression for indicating this destination address be the corresponding smart machine of sign address digit in itself, or the sign Number corresponding smart machine in location is acted on behalf of in the calculating of the calculating service function of the platform, or the corresponding intelligence of sign address digit Storage agent of the energy equipment in the storage service function of the platform.
As a further improvement, the step of calculating processing portal server and storage processing portal server generation routing table In,
Participant's server or computer are calculated for each on platform, a routing table record information is generated, target Location is calculating participant server or the corresponding number section of computer, and network address mask is mark 1, represents smart machine at this Platform calculates the calculating agency of service function, if the calculating participant server or computer where calculating agency be not at this In server cluster, then next-hop physical link number is the socket link No.s of public network side, the purpose link thing of next-hop Reason address is the calculating processing portal server in the server cluster that calculating participant server or computer are belonged to Public network static ip address and UDP port number, if the calculating participant server or computer where calculating agency exist In book server cluster, then next-hop physical link number is the socket link No.s of interior net side, the purpose link physical of next-hop Address is the IP address of internal network and UDP port number of calculating participant server or computer；For each storage ginseng on platform With person's server or computer, a routing table record information is generated, destination address is storage participant server or calculating The corresponding number section of machine, network address mask is mark 2, represents storage agent of the smart machine in the platform storage service function, If the storage participant server or computer where the storage agent be not in book server cluster, next-hop physics chain Road number is the socket link No.s of public network side, the purpose link physical address of next-hop be storage participant server or The public network static ip address and udp port of storage processing portal server in the server cluster that computer is belonged to Number, if the storage participant server or computer where the storage agent are in book server cluster, next-hop physics Link No. is the socket link No.s of interior net side, and the purpose link physical address of next-hop is storage participant server or meter The IP address of internal network and UDP port number of calculation machine；
For access book server cluster each smart machine, record smart machine this platform network layer address, With the smart machine in the temporary ip address of public network side and the corresponding relation of interim UDP port number.
As a further improvement, in the routing table of calculating participant's server or computer, for each being calculated on platform Participant's server or computer, generate a routing table record information, destination address is calculating participant server or meter The corresponding number section of calculation machine, network address mask is mark 1, represents that smart machine calculates the calculating generation of service function in the platform Reason, if the calculating participant server or computer where calculating agency be not in book server cluster, next-hop thing The socket link No.s that link No. is interior net side are managed, the purpose link physical address of next-hop is the calculating in book server cluster Handle portal server IP address of internal network and UDP port number, if the calculating agency where calculating participant server or Computer is in book server cluster, then next-hop physical link number is the socket link No.s of interior net side, the purpose of next-hop Link physical address is the IP address of internal network and UDP port number of calculating participant server or computer；For every on platform Individual storage participant's server or computer, generate a routing table record information, and destination address is storage participant service Device or the corresponding number section of computer, network address mask is mark 2, represents smart machine depositing in the platform storage service function Storage agency, it is next if the storage participant server or computer where the storage agent be not in book server cluster The socket link No.s that physical link number is interior net side are jumped, during the purpose link physical address of next-hop is book server cluster The IP address of internal network and UDP port number of processing portal server are calculated, if the storage participant service where the storage agent Device or computer are in book server cluster, then next-hop physical link number is the socket link No.s of interior net side, next-hop Purpose link physical address is the IP address of internal network and UDP port number of storage participant server or computer.
As a further improvement, in the routing table of storage participant's server or computer, for each being calculated on platform Participant's server or computer, generate a routing table record information, destination address is calculating participant server or meter The corresponding number section of calculation machine, network address mask is mark 1, represents that smart machine calculates the calculating generation of service function in the platform Reason, if the calculating participant server or computer where calculating agency be not in book server cluster, next-hop thing The socket link No.s that link No. is interior net side are managed, the purpose link physical address of next-hop is the storage in book server cluster Handle portal server IP address of internal network and UDP port number, if the calculating agency where calculating participant server or Computer is in book server cluster, then next-hop physical link number is the socket link No.s of interior net side, the purpose of next-hop Link physical address is the IP address of internal network and UDP port number of calculating participant server or computer；For every on platform Individual storage participant's server or computer, generate a routing table record information, and destination address is storage participant service Device or the corresponding number section of computer, network address mask is mark 2, represents smart machine depositing in the platform storage service function Storage agency, it is next if the storage participant server or computer where the storage agent be not in book server cluster The socket link No.s that physical link number is interior net side are jumped, during the purpose link physical address of next-hop is book server cluster The IP address of internal network and UDP port number of storage processing portal server, if the storage participant service where the storage agent Device or computer are in book server cluster, then next-hop physical link number is the socket link No.s of interior net side, next-hop Purpose link physical address is the IP address of internal network and UDP port number of storage participant server or computer.
The network information table of this platform is preserved on platform as a further improvement, Internet of Things interconnects, the platform is included In all calculate processing portal server information, storage processing portal server information, calculate participant's server or computer Information, storage participant's server or computerized information, each participant's server or the corresponding sign address digit of computer Number section；
Processing portal server information is calculated to comprise at least：The calculating handles static IP of the portal server in public network Address and UDP port number, the internal address and UDP port number of calculating processing portal server；
Storage processing portal server information is comprised at least：The storage handles static IP of the portal server in public network Address and UDP port number, the internal address and UDP port number of storage processing portal server；
Calculate participant's server or computerized information is comprised at least：The Intranet of calculating participant server or computer Address and UDP port number；
Storage participant's server or computerized information are comprised at least：The Intranet of storage participant server or computer Address and UDP port number；
The routing table that portal server, participant's server or computer in each server cluster are preserved is according to network Information table is automatically generated.
As a further improvement, Internet of Things interconnects, the network communication protocol of platform is included：Application layer, session layer, net Network layers, link layer and physical layer；
One below is comprised at least in link layer header：Source link layer address, target link-layer address and the link used Layer protocol type；
One below is comprised at least in network layer header：Source network layer address, objective network layer address, the Internet used Whole message total length, reserved field that protocol version, network layer header start；
One below is comprised at least in session layer head：Source conversation affair mark, target session Transaction Identifier；
One below is comprised at least in application layer head：The total length for the whole message that information order word, application layer head start.
As a further improvement, smart machine periodically belongs to the mode that portal server sends current location information to it For：
Periodically belong to portal server to it and send " handshake request message ", " handshake request message " is comprised at least：Chain Road floor head, network layer header, session layer head and application layer head.
As a further improvement, this method is also comprised the steps of：
Ownership portal server is received after " handshake request message ", is returned to " handshake response message " to smart machine, " is shaken hands Response message " is comprised at least：Link layer header, network layer header, session layer head, application layer head, the public network of the smart machine face When IP address and interim UDP port number.
As a further improvement, this method is also comprised the steps of：
When smart machine needs other smart device communications with platform transfer mode and access platform, to this smart machine Ownership portal server send " transit server mode communication information ", by ownership portal server initiate communication routing forwarding Process, Intelligent target equipment is forwarded to by " transit server mode communication information "；
Intelligent target equipment belongs to portal server to it and returns to " transit server mode communication information ", by ownership door Server initiates communication lines by repeating process, and " transit server mode communication information " is returned into source smart machine；
" transit server mode communication information " is comprised at least：Link layer header, network layer header, session layer head, application layer head, Want the Content of Communication payload of transfer.
As a further improvement, this method is also comprised the steps of：
When smart machine needs other smart machines progress direct communication with access platform, belong to portal server to it Send " put-through channel sets up request message ", " put-through channel sets up request message " includes：Link layer header, network layer header, session Layer head, application layer head, source smart machine are in the temporary ip address of public network, source smart machine in the interim of public network UDP port number；
The ownership portal server of source smart machine initiates communication lines by repeating process, will " put-through channel foundation request Message " is transmitted to Intelligent target equipment；
Intelligent target equipment belongs to portal server to it and returns to " put-through channel sets up response message ", and " put-through channel is built Vertical response message " is included：Link layer header, network layer header, session layer head, application layer head, Intelligent target equipment are in itself in public network The temporary ip address of network, Intelligent target equipment are in itself in the interim UDP port number of public network；
The ownership portal server of Intelligent target equipment initiates communication lines by repeating process, will " put-through channel foundation response Message " is transmitted to source smart machine；
Source smart machine and Intelligent target equipment are according to other side in the temporary ip address of public network, and interim UDP ends Slogan, sends " put-through channel sets up confirmation message " to other side respectively；Communication put-through channel be successfully established, source smart machine with Intelligent target equipment carries out direct communication.
Compared with prior art, the main distinction and its effect are embodiment of the present invention：It is mutual there is provided a kind of Internet of Things Join interoperation A platform, comprising at least one server cluster, each server cluster is included：Portal server and more than one participation Person's server or computer, each portal server include each in a public network static ip address, same server cluster It is connected between server or computer by Intranet；The interconnect smart machine of platform of each access Internet of Things is assigned a mark Show one sign address digit scope of portal server correspondence of each server cluster in address digit, platform, if intelligence The sign address digit of equipment is in the range of the corresponding sign address digit of portal server, then the portal server is the intelligence The ownership portal server of equipment, smart machine preserves the static ip address or domain name that it belongs to portal server, quiet according to this State IP address or domain name, are connected with ownership portal server, and ownership portal server is provided between target device for it Interconnect route；One sign address digit number section of each participant's server or computer correspondence in server cluster, For the part in the corresponding sign address digit scope of portal server of subordinate server cluster, participant's server or meter The proxy server or computer of smart machine of the calculation machine for sign address digit in number section, function generation is provided for smart machine Reason.By the platform, infinite multiple smart machines can be uniformly accessed into Internet internets, and each smart machine Unique mailing address number can be obtained, point-to-point, point pair can be carried out between people and smart machine remotely and whenever and wherever possible Multiple spot, multi-multipoint communication, to realize the intelligent control of networking, allow smart machine to share the advantage of Inernet networks, Communication and the intelligent control problem of IOT Internet of Things are realized in advance.
Brief description of the drawings
Fig. 1 is that the Internet of Things of first embodiment of the invention interconnects platform structure figure；
Fig. 2 is that the Internet of Things of first embodiment of the invention interconnects Platform communication method flow diagram；
Fig. 3 is that the Internet of Things of second embodiment of the invention interconnects platform structure figure；
Fig. 4 is that the Internet of Things of second embodiment of the invention interconnects individual server cluster internal structure in platform Figure；
Fig. 5 is that the Internet of Things platform SDN that interconnects of second embodiment of the invention defines the cut-away view of table；
Fig. 6 is that the Internet of Things of second embodiment of the invention interconnects the hierarchy of protocol layers figure of platform；
Fig. 7 is that the Internet of Things any smart machine on platform that interconnects of second embodiment of the invention passes through platform transfer The method flow diagram that mode communicates；
Fig. 8 is that the Internet of Things any smart machine on platform that interconnects of second embodiment of the invention is set up by platform The method flow diagram that put-through channel is communicated.
Embodiment
To make the target, technical scheme and advantage of the present invention clearer, the implementation below in conjunction with accompanying drawing to the present invention Mode is described in further detail.
First embodiment of the invention is related to a kind of Internet of Things and interconnected platform and its communication means, as shown in figure 1, bag Containing at least one server cluster (can be at most made up of no maximum server cluster), each server cluster is included：Door Family server and more than one participant's server or computer, each portal server is with including a public network static IP It is connected between each server or computer in location, same server cluster by Intranet Ethernet；
The interconnect smart machine of platform of each access Internet of Things is assigned in a sign address digit, platform and each taken One sign address digit scope of portal server correspondence of business device cluster, if the sign address digit of smart machine is in door In the range of the corresponding sign address digit of server, then the portal server is the ownership portal server of the smart machine, intelligence Energy equipment preserves the static ip address or domain name that its belongs to portal server, according to the static ip address or domain name, with ownership door Family server is connected, and ownership portal server provides the route that interconnects between target device for it；
One sign address digit number section of each participant's server or computer correspondence in server cluster, is affiliated A part in the corresponding sign address digit scope of portal server of server cluster, participant's server or computer are The proxy server or computer of smart machine of the address digit in number section are indicated, function porxy is provided and negative for smart machine Carry balanced.
Further, preserved all the way on the portal server and participant's server or computer in each server cluster By table, the routing iinformation and agency's clothes to any smart machine on platform up to any smart machine of access platform are covered The routing iinformation of business device or computer；Every routing iinformation is included：Via the destination address of book server or the message of computer, Reach the destination address next hop address to be sent.
Wherein, destination address is included：Sign address digit two parts of address style and smart machine；
Address style is comprised at least：Smart machine in itself, smart machine the platform proxy server or computer two Class, address style be used for indicate this destination address current expression be the corresponding smart machine of sign address digit in itself, Or the corresponding smart machine of sign address digit is in the proxy server or computer of the platform.
This Internet of Things interconnect also preserve on platform a software defined network (Software Defined Network, " SDN ") table, all portal server information, participant's server or computerized information in the platform are included in SDN tables, each Participant's server or the corresponding sign address digit number section of computer；
Portal server information is comprised at least：Static ip address and user data package of the portal server in public network Protocol UDP port number, the internal address and UDP port number of the portal server；
Participant's server or computerized information are comprised at least：The internal address and UDP of participant's server or computer Port numbers；
The routing table that portal server, participant's server or computer in each server cluster are preserved is according to SDN Table is automatically generated.
In present embodiment, the size of the corresponding sign address digit scope of portal server is as belonging to the portal server The maximum load capability of server cluster is determined；The size of participant's server or the corresponding sign address digit number section of computer Determined by the maximum load capability of participant's server or computer.According to the quantity of the smart machine of access platform, and The current load capacity for having server cluster, can be extended to platform, such as in server cluster according to actual needs Load capacity fix in the case of, with increasing smart machine access platform, new server set can be further added by Group.
By present embodiment, infinite multiple smart machines can be uniformly accessed into Internet internets, and each Smart machine can obtain unique mailing address number, can be carried out a little between people and smart machine remotely and whenever and wherever possible To point, point-to-multipoint, multi-multipoint communication, to realize the intelligent control of networking, smart machine is allowed to share Inernet nets The advantage of network, realizes communication and the intelligent control problem of IOT Internet of Things in advance.
The communication means of platform of being interconnected below to the Internet of Things of present embodiment is illustrated, the communication means be On the basis of the platform of present embodiment, realization is specifically interconnected.Idiographic flow is as shown in Figure 2：
In step 201, when platform starts, portal server and participant's server or calculating in each server cluster Each self-generating covers the route of any smart machine and its proxy server or computer on the platform all the way by table on machine Information；Every routing iinformation is included：Via the destination address of book server or the message of computer, reach the destination address and want The next hop address of transmission.
In step 202, access Internet of Things interconnect platform smart machine periodically to its belong to portal server hair Send current location information.
In step 203, when needing to be interconnected, smart machine or its proxy server or computer belong to it Portal server, which is sent, comprises at least destination address in the message that interconnects, the message that interconnects, destination address is typically by intelligence The sign address digit and address style two parts of energy equipment are constituted.
In step 204, address style of the ownership portal server in destination address determines the current reality of this message The destination address of matter be the corresponding smart machine of sign address digit in itself, or the corresponding intelligence of sign address digit is set Standby proxy server or computer in the platform.Belong to portal server according to the destination address, initiated for the smart machine Communication lines send a message to the corresponding equipment of destination address by repeating process.During routing forwarding, each server cluster In portal server according to the routing table preserved, carry out corresponding routing forwarding for the destination address.
Second embodiment of the invention also relates to a kind of Internet of Things and interconnected platform and its communication means, this embodiment party The Internet of Things of formula interconnects platform on the basis of first embodiment, and the portal server in each server cluster is entered One step is divided into：Calculate processing portal server and storage processing portal server；It is each to calculate processing portal server and storage Handle portal server and include an independent public network static ip address；It is by this service to calculate processing portal server The calculating processing related news of device provide route, and storage processing portal server is to disappear by the storage processing correlation of book server Breath provides static ip address or the domain for the calculating processing portal server that smart machine in route, server cluster preserves its ownership Name, according to the static ip address or domain name access platform；Participant's server or computer in each server cluster enter one Step is divided into：Calculate participant's server or computer, storage participant's server or computer；Calculate participant's server or meter Calculation machine provides calculating processing function agency for the smart machine in its corresponding number section, and storage participant's server or computer are Smart machine in its corresponding number section provides store function agency.So as to fundamentally by the three of network service big basic work( Energy：Network route, calculating and storage are mutually independent.
It is specifically described below.
As shown in figure 3, the IOT Internet of Things of present embodiment interconnects platform (hereinafter referred to as " plateform system " or " this Plateform system ") it be able to can be distributed in the world by least one, no maximum server cluster composition, each server cluster Different places, each server cluster is made up of several servers or computer, but only passes through 2 portal servers (one be calculate processing portal server, one be storage door processing family server) be connected to the key public networks of Internet (with Lower abbreviation " Internet ") on, only possess 2 public network Ipv4 addresses and (calculate processing portal server and storage door processing family Server respectively possesses a public network Ipv4 address).Distal end smart machine (including intelligent terminal, PC, smart home, etc. Deng) Internet public networks can be connected to indirectly by the router for being connected to Internet, then accessed by Internet Portal server is handled to its calculating for belonging to (host) server cluster, the public service of the plateform system is obtained, i.e. intelligence Any point-to-point, point-to-multipoint of equipment room, the communication service of multi-multipoint.As long as smart machine can be linked into its ownership The calculating processing portal server of (host) server cluster, no matter other side's ownership (host) server cluster is belonged to oneself Whether (host) server cluster is identical, can be in communication with each other, and is provided by calculating processing portal server for it and mesh The route that interconnects between marking device.
The server cluster quantity of the platform can progressively be incremented by, for example：If the maximum load of the 1st server cluster Ability is 100,000 smart machines, is that each smart machine distributes a unique tag addresses number, when address digit is by 0 point It is fitted on after 99999, also new smart machine will access the platform, is increased by next new server cluster, it is next Individual server cluster capacity is full, be further added by it is next, by that analogy, infinite expanding.The capacity of server cluster is by the service Calculating service quality, storage service quality and the network service quality of device cluster are determined.
The internal architecture design of individual server cluster (hereinafter referred to as " server cluster ") is as shown in figure 4, the service Device cluster handles (Deal) portal server, a storage by a calculating and handles (DB) portal server, and the server Some of the LAN that cluster internal is connected by Ethernet calculate participant's server or computer (hereinafter referred " calculating Participant's computer "), and storage participant's server or computer (hereinafter referred " storage participant computer ") composition, Computer inside these LANs is connected (full intercommunication) physically through Ethernet, and 2 groups are divided into logic function, and one group is responsible for Smart machine calculates the load sharing and load balancing of processing function, and one group of load for being responsible for smart machine storage resource function divides Load and load balancing.
Can be that every server or computer are pacified according to the computing capability or storage capacity of every server or computer Row's one smart machine of distribution indicates the number section (being determined by the number section minimum value and number section maximum in Fig. 3) of address digit, makes This server or computer only handle corresponding calculating or the store function of these smart machines in number section.This distribution is logical Cross the list item that the SDN of the plateform system defined in table and define completion.
The internal structure that the SDN of the platform defines table is as shown in Figure 5：Processing door is calculated comprising all in the platform Server info, storage processing portal server information, calculating participant's server or computerized information, storage participant's service Device or computerized information, each participant's server or the corresponding sign address digit number section of computer.
Wherein calculating processing (Deal) portal server packet contains：Oneself IPv4 address and UDP in public network (WAN) side Port numbers, oneself Ipv4 address and UDP port number in Intranet LAN (LAN) side；Storage processing (DB) portal server letter Breath is included：Oneself the IPv4 addresses of public network (WAN) side and UDP port number, oneself Intranet LAN (LAN) side Ipv4 Location and UDP port number；Participant's computerized information is calculated to include：Oneself Ipv4 address and UDP in Intranet LAN (LAN) side Port numbers；Storage participant's computerized information is included：Oneself Ipv4 address and UDP port number in Intranet LAN (LAN) side.
In present embodiment, the structure of the sign address digit of each smart machine is as follows, includes smart machine class Type and numbering two parts, the coding that participant's computer is responsible for number section is according to following form：
As can be seen here, the object number of smart machine sign address digit representation can have 2 160 powers individual not With value, that is, the different smart machine of 160 powers of maximum 2 can be supported.Certainly by changing the structure, it can also prop up Hold more smart machines.
Each smart machine has 3 kinds of addresses in this plateform system：Object oneself, object oneself is calculated in the plateform system The calculating agency of service function, object oneself the plateform system storage service function storage agent, so each intelligence is set Standby network layer address is included：Sign address digit two parts of address style and smart machine；
Address style is 0/1/2：0 represents smart machine in itself；1 represents calculating service function of the smart machine in platform Calculate agency；2 represent storage agent of the smart machine in the storage service function of platform；Address style is used for indicating this target The current expression of location be the corresponding smart machine of sign address digit in itself, or the corresponding intelligence of sign address digit is set The calculating agency of the standby calculating service function in the platform, or the corresponding smart machine of the sign address digit depositing in the platform Store up the storage agent of service function.The address structure of each smart machine is as follows：
When the plateform system starts, (calculating is handled 4 kinds of multiple server or computer nodes of each server cluster (Deal) portal server one, storage processing (DB) portal server one, calculate participant computer several, storage ginseng With person's computer several), table is defined by the global SDN of the plateform system respectively, the route on respective node is generated Every record represents to reach the route of other nodes in each plateform system SDN in table information, routing table information The information such as next-hop are forwarded, and one will reach the routing forwarding next-hop of any node outside the plateform system SDN Default route etc. information is recorded.Every route record is included：Via the destination address of book server or the message of computer, arrive Up to the destination address next hop address to be sent.
The essential information of routing table wall scroll interrecord structure is as follows：
The purpose link physical address ST_IOT_MSG_L2_ADDR of wherein next-hop is defined as follows：
The algorithm that all kinds of servers or computer generate routing table is specifically described below.
(1) calculating processing (Deal) portal server generation route table algorithm：
The global SDN for traveling through the plateform system defines table, and participant's computerized information, generation are calculated for each single item One routing table record information, destination address is the corresponding number section of calculating participant's computer, including calculating participant meter The responsible number section minimum value of calculation machine, the responsible number section maximum of calculating participant's computer, network address mask are 1 (intelligence Equipment calculates the calculating agency of service function in the plateform system), if calculating participant's computer where calculating agency Not in book server cluster, then next-hop physical link number is the socket link No.s of WAN mouthfuls of sides, the purpose link of next-hop Physical address is that the calculating that calculating participant's computer belongs in (host) server cluster handles (Deal) portal service The IPv4 addresses of the WAN mouths side of device and UDP port number, if calculating participant's computer where calculating agency is in this service In device cluster, then next-hop physical link number is the socket link No.s of LAN mouthfuls of sides, and the purpose link physical address of next-hop is The IPv4 addresses of LAN mouthfuls of sides of calculating participant's computer and UDP port number；Participant's trusted computer is stored for each single item Breath, generates a routing table record information, and destination address is the corresponding number section of storage participant's computer, including storage ginseng The responsible number section maximum of responsible number section minimum value, storage participant's computer with person's computer, network address mask is 2 (storage agent of the smart machine in the plateform system storage service function), if the storage participant meter where the storage agent Calculation machine is not in book server cluster, then next-hop physical link number is the socket link No.s of WAN mouthfuls of sides, the purpose of next-hop Link physical address is that storage processing (DB) door that storage participant's computer belongs in (host) server cluster takes The IPv4 addresses of the WAN mouths side of business device and UDP port number, if storage participant's computer where the storage agent is in this clothes It is engaged in device cluster, then next-hop physical link number is the socket link No.s of LAN mouthfuls of sides, the purpose link physical address of next-hop It is the IPv4 addresses and UDP port number of LAN mouthfuls of sides of storage participant's computer.
(2) storage processing (DB) portal server generation route table algorithm：
It is same as calculating processing (Deal) portal server generation route table algorithm.
(3) participant's computer generation route table algorithm is calculated：
The global SDN for traveling through the plateform system defines table, and participant's computerized information, generation are calculated for each single item One routing table record information, destination address is the corresponding number section of calculating participant's computer, including calculating participant meter The responsible number section minimum value of calculation machine, the responsible number section maximum of calculating participant's computer, network address mask are 1 (intelligence Equipment calculates the calculating agency of service function in the plateform system), if calculating participant's computer where calculating agency Not in book server cluster, then next-hop physical link number is the socket link No.s of LAN mouthfuls of sides, the purpose link of next-hop Physical address is the IPv4 addresses and UDP ends of the LAN mouths side of calculating processing (Deal) portal server in book server cluster Slogan, if the calculating participant computer where calculating agency is in book server cluster, next-hop physical link number For the socket link No.s of LAN mouthfuls of sides, the purpose link physical address of next-hop is LAN mouthfuls of sides of calculating participant's computer IPv4 addresses and UDP port number；Participant's computerized information is stored for each single item, a routing table record information, mesh is generated Mark address is the corresponding number section of storage participant's computer, including storage participant's computer responsible number section minimum value, The responsible number section maximum of storage participant's computer, network address mask is 2 (smart machine is stored in the plateform system and taken The storage agent for function of being engaged in), if the storage participant computer where the storage agent is not in book server cluster, under One jumps the socket link No.s that physical link number is LAN mouthfuls of sides, and the purpose link physical address of next-hop is book server cluster In calculating processing (Deal) portal server LAN mouths side IPv4 addresses and UDP port number, if the storage agent place Storage participant computer in book server cluster, then next-hop physical link number is the socket link No.s of LAN mouthfuls of sides, The purpose link physical address of next-hop is the IPv4 addresses and UDP port number of LAN mouthfuls of sides of storage participant's computer.
(4) storage participant computer generation route table algorithm：
The global SDN for traveling through the plateform system defines table, and participant's computerized information, generation are calculated for each single item One routing table record information, destination address is the corresponding number section of calculating participant's computer, including calculating participant meter The responsible number section minimum value of calculation machine, the responsible number section maximum of calculating participant's computer, network address mask are 1 (intelligence Equipment calculates the calculating agency of service function in the plateform system), if calculating participant's computer where calculating agency Not in book server cluster, then next-hop physical link number is the socket link No.s of LAN mouthfuls of sides, the purpose link of next-hop Physical address is IPv4 addresses and the udp port of the LAN mouths side of storage processing (DB) portal server in book server cluster Number, if the calculating participant computer where calculating agency is in book server cluster, next-hop physical link number is The socket link No.s of LAN mouthfuls of sides, the purpose link physical address of next-hop is LAN mouthfuls of sides of calculating participant's computer IPv4 addresses and UDP port number；Participant's computerized information is stored for each single item, a routing table record information, mesh is generated Mark address is the corresponding number section of storage participant's computer, including storage participant's computer responsible number section minimum value, The responsible number section maximum of storage participant's computer, network address mask is 2 (smart machine is stored in the plateform system and taken The storage agent for function of being engaged in), if the storage participant computer where the storage agent is not in book server cluster, under One jumps the socket link No.s that physical link number is LAN mouthfuls of sides, and the purpose link physical address of next-hop is book server cluster In storage processing (DB) portal server LAN mouths side IPv4 addresses and UDP port number, if where the storage agent Participant's computer is stored in book server cluster, then next-hop physical link number is the socket link No.s of LAN mouthfuls of sides, under The one purpose link physical address jumped is the IPv4 addresses and UDP port number of LAN mouthfuls of sides of storage participant's computer.
Handle (Deal) portal server and storage processing (DB) portal server for calculating, in its routing table also directed to Each smart machine of book server cluster is accessed, the smart machine is recorded and is set in the network layer address of this platform, with the intelligence Standby temporary ip address and the corresponding relation of interim UDP port number in public network side.(Deal) door is handled for calculating Server or storage processing (DB) portal server, usually can also be recorded beyond the global SDN of the plateform system defined in table The network L3 addresses of smart machine in the internet message bag (message package that i.e. smart machine is directly transmitted) that (outside) comes (ST_IOT_MSG_L3_ADDR structures) information, the link physical address (ST_ with hair message opposite end sender (i.e. smart machine) IOT_MSG_L2_ADDR structures) information corresponding relation to address resolution protocol (Address Resolution Protocol, Referred to as " ARP ") in table.
Internet message bag routing forwarding process (algorithm) in present embodiment is illustrated below：
This Internet of Things interconnect each node (server or computer) in platform routing function it is similar with flow, That is, every record of the routing table of oneself is traveled through, if the destination network addresses (ST_IOT_MSG_L3_ADDR in internet message bag Structure) in L3 address styles (ulAddrType) and this record (ST_IOT_ROUTE_TBL_ITEM structures) network Location mask (ulAddrTypeMask) is equal, and (ST_IOT_MSG_L3_ADDR is tied the destination network addresses in internet message bag Structure) in smart machine sign address digit (stObject) record (ST_IOT_ROUTE_TBL_ITEM structures) in this Between destination address number section minimum value (stNetAddrFrom) and destination address number section maximum (stNetAddrTo), then find Route, the internet message bag records the next-hop link No. of (ST_IOT_ROUTE_TBL_ITEM structures) by this (PhyLinkID), it is sent to the purpose link physical address of the next-hop of this record (ST_IOT_ROUTE_TBL_ITEM structures) stNextSkip.When routing table lookup is less than desired record, message abandons (such a situation will not occur under normal circumstances).
It is silent when calculating handles (Deal) portal server or storage processing (DB) portal server lookup routing table result When recognizing route, i.e., the L3 address styles in destination network addresses (ST_IOT_MSG_L3_ADDR structures) in internet message bag (ulAddrType) when being 0, if it find that when being destined for the message of smart machine in itself, ARP table will be searched, the intelligence is obtained The corresponding link opposite end physical address of equipment, and by the socket link No.s of WAN mouthfuls of sides, send.
By the routing forwarding algorithm, internet message bag multi-hop step by step finally jumps to destination, completes whole network message The route forwarding function of bag.The undesirable internet message bag received and the abnormal automatic discard processing of bag.
For example：Example 1, smart machine A needs one internet message bag of transmission to give smart machine B, then smart machine A It is calculating processing (Deal) portal server to send an internet message bag and calculate processing portal server to its host's ownership L3 address styles are 0 in S1, the destination address of internet message bag, the address digit that sign address digit is B；S1 is with having found target L3 addresses are 0 in location, then it is 1 to change its address style temporarily, and other address informations are constant, then next according to routing table lookup Address is jumped, the corresponding server of next hop address or the whether one's own cluster of computer is seen, ARP table is looked into if belonging to, Smart machine B temporary ip address and udp port is found, internet message bag is sent to smart machine B, smart machine is completed Communication between A and smart machine B；L3 addresses are changeed back into 0 if being not belonging to, continued according to the next-hop routeing out just now Host's ownership that address is sent to B calculates processing portal server i.e. calculating processing (Deal) portal server S2, and S2 is equally passed through Cross above-mentioned route (lookup ARP table) and be transmitted to smart machine B, just complete the communication between smart machine A and smart machine B.
And such as example 2：One smart machine A sends an internet message bag and taken to its calculating in the plateform system A1 is acted on behalf of in the calculating of business function, and it is to calculate that A, which sends an internet message bag and calculates processing portal server to its host's ownership, It is 1 to handle L3 address styles in (Deal) portal server S1, the destination address of internet message bag, and sign address digit is A's Address digit；S1 travels through every record of the routing table of oneself, if the L3 address styles of destination address and road in internet message bag The network address mask of certain record is equal in table, and the smart machine sign address digit in destination address is recorded in this Destination address number section minimum value and destination address number section maximum between, then find route, the internet message bag passes through this The next-hop link No. of route record, is sent to the purpose link physical address of the next-hop of this route record, that is, is transmitted to down One jumps calculating participant's computer where A1, and calculating participant computer-internal is given to the meter of A calculating service function again Agent object A1 is calculated, by this 2 jump, the meter that smart machine A calculates service function with it in the plateform system is just completed The communication between A1 is acted on behalf of in calculation.
Example 3 for another example：One smart machine A acts on behalf of A1 in the calculating of the calculating service function of the plateform system and sends one Individual internet message bag gives smart machine A, A1 to send an internet message bag Calculating processing (Deal) portal server S1, S1 give smart machine A by above-mentioned routing forwarding, then by this 2 jump, just complete Smart machine A and its act on behalf of the communication between A1 in the calculating that the plateform system calculates service function.
By the underlying network protocols stack of the internet message bag of the plateform system, it is illustrated in fig. 6 shown below：Comprising：Application layer, meeting Session layer, Internet, link layer and physical layer.Application layer --- to handle the execution in the specific business of intelligent control, affairs and The processing of response etc..Session (agreement) layer --- to " the conversation affair object " between the smart machine of specific minimum controlled particle size Communication between (operation state object).Network (agreement) layer --- routing layer is also referred to as, the intelligence to specific minimum controlled particle size The communication of energy equipment room；The layer has routing function, safeguards that the IOT Internet of Things is route.Link (agreement) layer --- to shield down The difference of layer bearer network, such as TCP/IP, UDP/IP, or DALI, KNX, DMX, and or direct hardware link etc..Physics Layer --- refer to lower floor's bearer network, such as TCP/IP, UDP/IP, or DALI, KNX, DMX, and or direct hardware link, Etc..
Wherein, link layer header is included：Source link layer address, target link-layer address and the link layer protocol class used Type；
Network layer header is included：Source network layer address, objective network layer address, network layer protocol version, the network used Whole message total length, reserved field that layer head starts etc.；
Session layer head is included：Source conversation affair mark, target session Transaction Identifier；
Smart machine (including species on the plateform system：Smart machine, smart machine are calculated in the plateform system and serviced Function calculating agency, smart machine the plateform system storage service function storage agent) each other, and intelligence set Standby (including species：Smart machine, smart machine calculate the calculating agency of service function, smart machine at this in the plateform system The storage agent of plateform system storage service function) basic communication interface between the plateform system：
(1) smart machine access (being attached to) plateform system, i.e. location updating handshake interface (essential)：
// networking attachment/location updating:Handshake request message structure of the smart machine to IOT plateform systems
#define MSGID_IOT_CHAT_SHKHAND_REQ_MSG(0x12789AEE)
typedef struct
{
IOT_MSG_L2_HEAD
IOT_MSG_L3_HEAD
IOT_MSG_SESSION_HEAD
IOT_MSG_APP_HEAD
}ST_IOT_CHAT_SHKHAND_REQ_MSG；
Remarks：The message cycle is sent, and period interval time, which needs to discharge the intelligence less than smart machine side router, to be set The interval time (typically about 3 minutes or so, different with router difference) of the resource of standby idle UDP links and port.
Remarks：In addition in addition to the message, any internet message bag via the plateform system of smart machine, the platform System can also be handled as handshake request message.If this means, smart machine (gives other side by the plateform system transfer message Smart machine, or the smart machine of the plateform system side agent object), can remove from transmission the handshake request message to this Plateform system.
// networking attachment/location updating:Handshake response message structure of the IOT plateform systems to smart machine
#define MSGID_IOT_CHAT_SHKHAND_ACK_MSG(0x12789AEF)
typedef struct
{
IOT_MSG_L2_HEAD
IOT_MSG_L3_HEAD
IOT_MSG_SESSION_HEAD
IOT_MSG_APP_HEAD
Long ulObjIP；The Inernet net Ipv4 addresses of/* sources smart machine object side (are usually set by intelligence Shared Ipv4 addresses after standby object side router mappings, i.e., interim Ipv4 addresses) */
Long ulObjPort；The Inernet net UDP port numbers of/* sources smart machine object side are (usually by intelligence The port numbers distributed after energy equipment object side router mappings, i.e., interim UDP port number) */
}ST_IOT_CHAT_SHKHAND_ACK_MSG；
Remarks：Two field informations of message parameter ulObjIP and ulObjPort, smart machine side can be remembered, for connecing The interface of direct UDP communication ports is set up between mouth (3) smart machine.Otherwise, it can ignore and disregard.
(2) by the communication interface (essential) of the transfer mode of the plateform system between smart machine：
Remarks：The length 1200 of transfer communication payload content can be adjusted, but suggestion does not exceed Ethernet bag most Big transmission unit length MTU (general acquiescence is 1500 bytes or so).
(3) interface (alternatively, it is proposed that realization) of direct UDP communication ports is set up between smart machine：
Remarks：MSGID_IOT_CHAT_UDPHOLE_REQ_MSG message and MSGID_IOT_CHAT_UDPHOLE_RSP_ MSG message is that, by the plateform system transfer, MSGID_IOT_CHAT_UDPHOLE_ACK_MSG message is that smart machine is straight Connected that other side is mapped to the Ipv4 addresses of Internet and other side is mapped to the UDP port number of Internet and carried out The first bar message to other side of communication, if both sides can receive the first bar message, illustrates that the direct UDP communication ports are created as Work(, can carry out follow-up message communicating, and hereafter the message between smart machine is no longer pass through the plateform system, so they this Communication each other can not follow the internet message communication protocol packet stack and interface format of the plateform system afterwards.
(4) smart machine home server information interface (optional) is updated
When needing to update the information that it belongs to portal server to smart machine, the ST_IOT_UPDATE_ is sent to HOST_IND_MSG message, is calculated comprising link layer header, network layer header, session layer head, application layer head and ownership in the message Handle public network Ipv4 addresses and UDP port number, ownership storage processing (DB) portal server of (Deal) portal server Public network Ipv4 addresses and UDP port number.
(5) in the agency of the plateform system, (object oneself is calculated and taken smart machine in the plateform system with the smart machine Be engaged in function calculating agency, or object oneself is in the storage agent of the plateform system storage service function) between functional interface (optional)
The interface can extend, and realize the more powerful service function of the plateform system, such as smart machine information management is main People good friend manages, and searches object, etc..Cooperation by object in the agency of the plateform system and smart machine in itself, even if Smart machine is not online, can also complete the offline functionality of some smart machines, such as retaining it for offline smart machine is increased The request of plusing good friend, or other nodes issue its message, when next smart machine is reached the standard grade, then issue it.Etc. function.
In present embodiment, smart machine on plateform system (including species：Smart machine, smart machine are in the platform System-computed service function calculating agency, smart machine the plateform system storage service function storage agent) mutually it Between, and smart machine (including species：Smart machine, smart machine the plateform system calculate service function calculating agency, Storage agent of the smart machine in the plateform system storage service function) communication process such as Fig. 7 between the plateform system and Shown in Fig. 8.
Fig. 7 shows the method flow diagram that any smart machine is communicated by platform transfer mode on plateform system.
In step 701, smart machine A periodically calculates processing door in access platform and after access platform to ownership Family server X sends " handshake request message " MSGID_IOT_CHAT_SHKHAND_REQ_MSG, and the message structure is as implied above. Smart machine B periodically calculates processing portal server Y to ownership as A, also and sends " handshake request message " MSGID_ IOT_CHAT_SHKHAND_REQ_MSG.Portal server A and B are probably that same server may also be different.
In step 702, ownership calculates processing portal server X and receives " the handshake request message " MSGID_IOT_CHAT_ After SHKHAND_REQ_MSG, the smart machine is updated in ARP table and is existed in the network layer address of this platform, with the smart machine The corresponding relation of the temporary ip address of public network side and interim UDP port number, and return to " handshake response to smart machine A Message " MSGID_IOT_CHAT_SHKHAND_ACK_MSG.It is same to smart machine B that ownership calculates processing portal server Y Return to " handshake response message " MSGID_IOT_CHAT_SHKHAND_ACK_MSG.
In step 703, smart machine A is needed with platform transfer mode and other smart machine (such as intelligence for accessing the platform Can equipment B) communication when, calculate processing portal server X to this smart machine A ownership and send that " transit server mode communicates Message " MSGID_IOT_CHAT_CONTENT_MSG, calculates processing portal server X by ownership and initiates communication lines by repeating process (i.e. internet message bag routing forwarding process), is redirected by one or many, by " transit server mode communication information " MSGID_IOT_CHAT_CONTENT_MSG is forwarded to Intelligent target equipment B." transit server mode communication information " MSGID_ The Content of Communication payload of transfer is wanted in IOT_CHAT_CONTENT_MSG comprising smart machine A.
In step 704, smart machine B calculates processing portal server Y returns to its ownership, and " transit server mode communicates Message " MSGID_IOT_CHAT_CONTENT_MSG, calculates processing portal server Y by ownership and initiates communication lines by repeating process (i.e. internet message bag routing forwarding process), is redirected " transit server mode communication information " MSGID_ by one or many IOT_CHAT_CONTENT_MSG is forwarded to Intelligent target device A." transit server mode communication information " MSGID_IOT_ The Content of Communication payload of transfer is wanted in CHAT_CONTENT_MSG comprising smart machine B.
Fig. 8 shows that any smart machine sets up the method flow that put-through channel is communicated by platform on plateform system Figure.
In step 801, smart machine A periodically calculates processing door in access platform and after access platform to ownership Family server X sends " handshake request message " MSGID_IOT_CHAT_SHKHAND_REQ_MSG, and the message structure is as implied above. Smart machine B periodically calculates processing portal server Y to ownership as A, also and sends " handshake request message " MSGID_ IOT_CHAT_SHKHAND_REQ_MSG.Portal server A and B are probably that same server may also be different.
In step 802, ownership calculates processing portal server X and receives " the handshake request message " MSGID_IOT_CHAT_ After SHKHAND_REQ_MSG, the smart machine is updated in ARP table and is existed in the network layer address of this platform, with the smart machine The corresponding relation of the temporary ip address of public network side and interim UDP port number, and return to " handshake response to smart machine A Message " MSGID_IOT_CHAT_SHKHAND_ACK_MSG.It is same to smart machine B that ownership calculates processing portal server Y Return to " handshake response message " MSGID_IOT_CHAT_SHKHAND_ACK_MSG.
In step 803, smart machine A needs other smart machines (such as smart machine B) with accessing the platform to carry out During direct communication, calculate processing portal server X to its ownership and send " put-through channel sets up request message " MSGID_IOT_ CHAT_UDPHOLE_REQ_MSG；Message includes temporary ip address and interim UDP end of the source smart machine A in public network Slogan.Smart machine A ownership calculates processing portal server X and initiates communication lines by repeating process, is jumped by one or many Turn, by this, " put-through channel sets up request message MSGID_IOT_CHAT_UDPHOLE_REQ_MSG " and is transmitted to Intelligent target equipment B。
In step 804, smart machine B calculates processing portal server Y returns to its ownership, and " put-through channel is set up response and disappeared Breath " MSGID_IOT_CHAT_UDPHOLE_RSP_MSG, " put-through channel sets up response message " includes：Intelligent target equipment B sheets In the temporary ip address and interim UDP port number of public network.Intelligent target equipment B ownership calculates processing portal server Y initiates communication lines by repeating process, is redirected by one or many, " put-through channel sets up response message " is transmitted into source Smart machine A.
In step 805 and 806, source smart machine A and Intelligent target equipment B according to other side public network temporary IP Address and interim UDP port number, while sending " put-through channel sets up confirmation message " MSGID_IOT_CHAT_ to other side respectively UDPHOLE_ACK_MSG；Communication put-through channel is successfully established.
In step 807 and 808, source smart machine A and Intelligent target equipment B passes through MSGID_IOT_CHAT_ CONTENT_MSG message carries out direct communication.
By present embodiment, infinite multiple smart machines can be uniformly accessed into Internet internets, and each Smart machine can obtain unique mailing address number, can be carried out a little between people and smart machine remotely and whenever and wherever possible To point, point-to-multipoint, multi-multipoint communication, to realize the intelligent control of networking, smart machine is allowed to share Inernet nets The advantage of network, realizes communication and the intelligent control problem of IOT Internet of Things in advance.
Also, in present embodiment, this Internet of Things interconnect plateform system may insure by the plateform system appoint What internet message bag be all legal (identity is legal), complete (former state), safety (secrecy), it is logical only between smart machine The internet message bag of direct UDP communication ports is crossed, its security is just voluntarily resolved through consultation between smart machine.Remarks：Intelligence The process of setting up of direct UDP communication ports between equipment is via the plateform system, so direct between smart machine UDP communication ports are both sides' identity legal passage in itself, simply the data integrity (former state) and security on the passage (secrecy), will voluntarily resolve through consultation between the smart machine at the passage two ends.
The security of this plateform system communication has following 3 aspects：It is in communication with each other identity legitimacy (the numeral card of both sides Book), the integrality (former state, do not destroy, do not distort, data signature) of Content of Communication, (data add the confidentiality of Content of Communication It is close).This plateform system ensures above-mentioned 3 sides using the famous RSA unsymmetrical key enciphering and deciphering algorithms of industry, and following mechanism Face.
Accessing each smart machine of this platform has oneself RSA private key cryptographics and RSA public key cryptographies；Plateform system also has The RSA private key cryptographics and RSA public key cryptographies of oneself.The plateform system stores the RSA public key cryptographies of each smart machine, simultaneously The RSA public key cryptographies of the plateform system side are outwards disclosed.Sender A (certain smart machine side, or the plateform system side) is to reception The encryption process that square B (the plateform system side, or certain smart machine side) sends internet message bag is as follows：
A sends internet message bag M to B, and first internet message bag M contents are encrypted with A private key cryptographic Da, produces close Literary Da (M)；The 2nd encryption is carried out with B public key cryptography Eb again, ciphertext Eb (Da (M)) is produced, is then sent to B.
Pass through Internet network in the middle of ciphertext Eb (Da (M)), centre may be monitored, be trapped, being pretended, content quilt Distort etc., it may finally reach recipient B.
B is received after the ciphertext, first carries out first time decryption with B private key cryptographic Db, restores ciphertext Da (M)；Again with A's Public key cryptography Ea carries out second and decrypted, and obtains internet message bag original text M.
Sender A ensure that recipient must be B it can be seen from the process, and recipient B also ensure that sender is certain It is A, and it is not that it sends out that A, which can not be denied, so communicating pair identity obtains certification；If internet message bag M is in transmitting procedure " false A " intercepts and captures internet message bags of the A to B that disguise oneself as to middle quilt, and " false A " does not know A private key cryptographic, so can not pretend this Internet message bag (or because sender is not A to be abandoned by B after camouflage out)；If internet message bag M is in transmitting procedure In be trapped, be destroyed or change, then recipient can not be parsed so as to abandoning, and problem is changed into internet message packet loss The situation of (ensuring internet message packet retransmission by mechanism such as re-transmissions), so as to ensure that the integrity demands of internet message bag；Network After message package M is sent out, because being to be encrypted with A private key cryptographic and expectation recipient B public key cryptography, only There is expectation recipient B just to decrypt, it is ensured that the confidentiality of Content of Communication.As can be seen here, the mechanism meets phase intercommunication Believe the identity legitimacy (digital certificate) of both sides, the integrality of Content of Communication (former state, do not destroy, do not distort, data label Name), the requirement of the communications security such as the confidentiality (data encryption) of Content of Communication.
Although by referring to some of the preferred embodiment of the invention, being shown and described to the present invention, It will be understood by those skilled in the art that can to it, various changes can be made in the form and details, without departing from this hair Bright spirit and scope.

Claims (17)

  1. The platform 1. a kind of Internet of Things interconnects, it is characterised in that comprising at least one server cluster, each server Cluster is included：Portal server and more than one participant's server or computer, each portal server are public comprising one It is connected between each server or computer in common network network static ip address, same server cluster by Intranet；
    The interconnect smart machine of platform of the Internet of Things is each accessed to be assigned in a sign address digit, the platform often One sign address digit scope of portal server correspondence of individual server cluster, if the sign address number of the smart machine Code is in the range of the corresponding sign address digit of the portal server, then the portal server is the ownership door of the smart machine Family server, the smart machine preserves the static ip address or domain name that it belongs to portal server, according to the static ip address Or domain name, it is connected with the ownership portal server, the ownership portal server is provided between target device for it Interconnect route；
    One sign address digit number section of each participant's server or computer correspondence in the server cluster, is affiliated A part in the corresponding sign address digit scope of portal server of server cluster, participant's server or calculating The proxy server or computer of smart machine of the machine for sign address digit in the number section, are provided for the smart machine Function porxy；
    Portal server in each server cluster is further divided into：Calculate processing portal server and storage processing door Family server；Each processing portal server and storage processing portal server of calculating includes an independent public network Static ip address；The processing portal server that calculates is provides route by the calculating of book server processing related news, institute Storage processing portal server is stated to provide in route, the server cluster by the storage of book server processing related news The static ip address or domain name for the ownership portal server that smart machine is preserved, portal server is handled for the calculating of the cluster Static ip address or domain name；
    Participant's server or computer in each server cluster are further divided into：Calculate participant's server or meter Calculation machine, storage participant's server or computer；Calculating participant's server or computer are in its corresponding number section Smart machine, which is provided, calculates processing function agency, and storage participant's server or computer are the intelligence in its corresponding number section Can equipment offer store function agency；
    A routing table is preserved on portal server and participant's server or computer in each server cluster, is wrapped Routing iinformation containing any smart machine for reaching the access platform and agency's clothes to any smart machine on the platform The routing iinformation of business device or computer；
    Every the routing iinformation is included：Via the destination address of book server or the message of computer, reach the destination address The next hop address to be sent.
  2. The platform 2. Internet of Things according to claim 1 interconnects, it is characterised in that the destination address is included：Address Sign address digit two parts of type and smart machine；
    The address style is comprised at least：Smart machine is in itself, smart machine is in the proxy server or computer of the platform, institute State address style be used for indicate this destination address current expression be the corresponding smart machine of sign address digit in itself, or Proxy server or computer of the corresponding smart machine of sign address digit in the platform.
  3. The platform 3. Internet of Things according to claim 2 interconnects, it is characterised in that the Internet of Things interconnects platform The upper network information table for preserving this platform, includes all portal server information, participant's server or computer in the platform Information, each participant's server or the corresponding sign address digit number section of computer；
    The portal server information is comprised at least：Static ip address and user data package of the portal server in public network Protocol UDP port number, the internal address and UDP port number of the portal server；
    Participant's server or computerized information are comprised at least：The internal address and UDP of participant's server or computer Port numbers；
    The routing table that portal server, participant's server or computer in each server cluster are preserved is according to described Network information table is automatically generated.
  4. The platform 4. Internet of Things according to claim 1 interconnects, it is characterised in that the corresponding mark of the portal server Show that the size of address digit scope is determined by the maximum load capability of the portal server subordinate server cluster；
    The corresponding size for indicating address digit number section of participant's server or computer is by participant's server or meter The maximum load capability of calculation machine is determined.
  5. The platform 5. Internet of Things according to claim 1 interconnects, it is characterised in that include：
    Access the Internet of Things interconnect platform smart machine periodically to its belong to portal server send current location Information；
    When needing to be interconnected, the smart machine or its proxy server or computer belong to portal server to it Transmission is interconnected message, and the sign address digit of Intelligent target equipment is comprised at least in the message that interconnects；It is described to return Belong to portal server and initiate communication lines by repeating process for it.
  6. The platform 6. Internet of Things according to claim 5 interconnects, it is characterised in that also include：
    Each self-generating of portal server in each server cluster is covered up to any of the access platform all the way by table The routing iinformation of smart machine and the proxy server or the routing iinformation of computer to any smart machine on the platform, Every routing iinformation is included：Via the destination address of book server or the message of computer, reach the destination address and to be sent Next hop address；
    Portal server in each server cluster provides communication lines according to the routing table preserved for the smart machine By repeating process.
  7. The platform 7. Internet of Things according to claim 6 interconnects, it is characterised in that in each server cluster Portal server is further divided into：Calculate processing portal server and storage processing portal server；
    Each processing portal server and storage processing portal server of calculating is included：The static IP of one public network Location and UDP port number, and an internal address and UDP port number；
    Participant's server or computer in each server cluster are further divided into：Calculate participant's server or meter Calculation machine, storage participant's server or computer；
    Each calculating participant's server or computer, storage participant's server or computer are included：Entoilage in one Location and UDP port number；
    Calculating processing portal server, storage processing portal server in each server cluster, calculating participant's service Device or computer, storage participant's server or each self-generating of computer are covered up to times for accessing the platform all the way by table Anticipate smart machine routing iinformation and to the proxy server of any smart machine on the platform or the route letter of computer Breath；
    Every routing iinformation is included：Via the destination address of book server or the message of computer, reach the destination address and want The next hop address of transmission；
    Calculating processing portal server in each server cluster is according to the routing table preserved, for by book server Calculate processing related news and route is provided；
    Storage processing portal server in each server cluster is according to the routing table preserved, for by book server Storage processing related news provide route；
    Calculating participant server or computer in each server cluster, storage participant's server or computer according to The routing table preserved, is that book server or computer are sent to disappearing for any smart machine of the platform, server or computer Breath provides route.
  8. The platform 8. Internet of Things according to claim 7 interconnects, it is characterised in that the destination address is smart machine Network layer address, sign address digit two parts comprising address style and smart machine；
    The address style is comprised at least：Mark 0, represents smart machine in itself；Mark 1, represents meter of the smart machine in platform Calculate the calculating agency of service function；Mark 2, represents storage agent of the smart machine in the storage service function of platform；Describedly What location type was used for the current expression for indicating this destination address be the corresponding smart machine of sign address digit in itself, or the mark Show that the corresponding smart machine of address digit is acted on behalf of in the calculating of the calculating service function of the platform, or sign address digit correspondence Smart machine the platform storage service function storage agent.
  9. The platform 9. Internet of Things according to claim 8 interconnects, it is characterised in that the calculating handles portal server With storage processing portal server generation routing table, also include：
    Participant's server or computer are calculated for each on the platform, a routing table record information is generated, target Location is calculating participant server or the corresponding number section of computer, and network address mask is mark 1, represents smart machine at this Platform calculates the calculating agency of service function, if the calculating participant server or computer where calculating agency be not at this In server cluster, then next-hop physical link number is the socket link No.s of public network side, the purpose link thing of next-hop Reason address is the calculating processing portal server in the server cluster that calculating participant server or computer are belonged to Public network static ip address and UDP port number, if the calculating participant server or computer where calculating agency exist In book server cluster, then next-hop physical link number is the socket link No.s of interior net side, the purpose link physical of next-hop Address is the IP address of internal network and UDP port number of calculating participant server or computer；For each being deposited on the platform Store up participant's server or computer, generate a routing table record information, destination address be storage participant server or The corresponding number section of computer, network address mask is mark 2, represents storage generation of the smart machine in the platform storage service function Reason, if the storage participant server or computer where the storage agent be not in book server cluster, next-hop thing The socket link No.s that link No. is public network side are managed, the purpose link physical address of next-hop is storage participant service The public network static ip address of storage processing portal server in the server cluster that device or computer are belonged to and UDP ends Slogan, if the storage participant server or computer where the storage agent are in book server cluster, next-hop thing Manage the socket link No.s that link No. is interior net side, the purpose link physical address of next-hop be storage participant server or The IP address of internal network and UDP port number of computer；
    For access book server cluster each smart machine, record the smart machine this platform network layer address, With the smart machine in the temporary ip address of public network side and the corresponding relation of interim UDP port number.
  10. The platform 10. Internet of Things according to claim 8 interconnects, it is characterised in that the calculating participant server Or in the routing table of computer, calculate participant's server or computer for each on the platform, generate a routing table Record information, destination address is calculating participant server or the corresponding number section of computer, and network address mask is mark 1, Represent that smart machine calculates the calculating agency of service function in the platform, if the calculating participant service where calculating agency Device or computer be not in book server cluster, then next-hop physical link number is the socket link No.s of interior net side, next-hop Purpose link physical address be the calculating processing portal server in book server cluster IP address of internal network and udp port Number, if the calculating participant server or computer where calculating agency are in book server cluster, next-hop physics Link No. is the socket link No.s of interior net side, and the purpose link physical address of next-hop is calculating participant server or meter The IP address of internal network and UDP port number of calculation machine；For each storage participant's server or computer, generation one on the platform Bar routing table record information, destination address is storage participant server or the corresponding number section of computer, network address mask It is mark 2, represents storage agent of the smart machine in the platform storage service function, if the storage ginseng where the storage agent With person's server or computer not in book server cluster, then next-hop physical link number is the socket links of interior net side Number, the purpose link physical address of next-hop be the calculating processing portal server in book server cluster IP address of internal network and UDP port number, it is next if the storage participant server or computer where the storage agent are in book server cluster The socket link No.s that physical link number is interior net side are jumped, the purpose link physical address of next-hop is storage participant service The IP address of internal network and UDP port number of device or computer.
  11. The platform 11. Internet of Things according to claim 8 interconnects, it is characterised in that the storage participant server Or in the routing table of computer, calculate participant's server or computer for each on the platform, generate a routing table Record information, destination address is calculating participant server or the corresponding number section of computer, and network address mask is mark 1, Represent that smart machine calculates the calculating agency of service function in the platform, if the calculating participant service where calculating agency Device or computer be not in book server cluster, then next-hop physical link number is the socket link No.s of interior net side, next-hop Purpose link physical address be the storage processing portal server in book server cluster IP address of internal network and udp port Number, if the calculating participant server or computer where calculating agency are in book server cluster, next-hop physics Link No. is the socket link No.s of interior net side, and the purpose link physical address of next-hop is calculating participant server or meter The IP address of internal network and UDP port number of calculation machine；For each storage participant's server or computer, generation one on the platform Bar routing table record information, destination address is storage participant server or the corresponding number section of computer, network address mask It is mark 2, represents storage agent of the smart machine in the platform storage service function, if the storage ginseng where the storage agent With person's server or computer not in book server cluster, then next-hop physical link number is the socket links of interior net side Number, the purpose link physical address of next-hop be the storage processing portal server in book server cluster IP address of internal network and UDP port number, it is next if the storage participant server or computer where the storage agent are in book server cluster The socket link No.s that physical link number is interior net side are jumped, the purpose link physical address of next-hop is storage participant service The IP address of internal network and UDP port number of device or computer.
  12. The platform 12. Internet of Things according to any one in claim 9 to 11 interconnects, it is characterised in that the thing Networking, which is interconnected, preserves the network information table of this platform on platform, includes and all in the platform calculates processing portal servers letter Breath, storage processing portal server information, calculating participant's server or computerized information, storage participant's server or calculating Machine information, each participant's server or the corresponding sign address digit number section of computer；
    The processing portal server information that calculates is comprised at least：The calculating handles static IP of the portal server in public network Address and UDP port number, the internal address and UDP port number of calculating processing portal server；
    The storage processing portal server information is comprised at least：The storage handles static IP of the portal server in public network Address and UDP port number, the internal address and UDP port number of storage processing portal server；
    Calculating participant's server or computerized information are comprised at least：The Intranet of calculating participant server or computer Address and UDP port number；
    Storage participant's server or computerized information are comprised at least：The Intranet of storage participant server or computer Address and UDP port number；
    The routing table that portal server, participant's server or computer in each server cluster are preserved is according to described Network information table is automatically generated.
  13. The platform 13. Internet of Things according to claim 5 interconnects, it is characterised in that the Internet of Things interconnects flat The network communication protocol of platform is included：Application layer, session layer, Internet, link layer and physical layer；
    One below is comprised at least in link layer header：Source link layer address, target link-layer address and the link layer association used Discuss type；
    One below is comprised at least in network layer header：Source network layer address, objective network layer address, the network layer protocol used Whole message total length, reserved field that version, network layer header start；
    One below is comprised at least in session layer head：Source conversation affair mark, target session Transaction Identifier；
    One below is comprised at least in application layer head：The total length for the whole message that information order word, application layer head start.
  14. The platform 14. Internet of Things according to claim 13 interconnects, it is characterised in that the smart machine periodically to Its belong to portal server send current location information mode be：
    Periodically belong to portal server to it and send " handshake request message ", " the handshake request message " is comprised at least：Institute State link layer header, the network layer header, session layer head and the application layer head.
  15. The platform 15. Internet of Things according to claim 14 interconnects, it is characterised in that also include：
    The ownership portal server is received after " the handshake request message ", and to smart machine return, " handshake response disappears Breath ", " the handshake response message " is comprised at least：The link layer header, the network layer header, the session layer head, it is described should With layer head, the public network temporary ip address of the smart machine and interim UDP port number.
  16. The platform 16. Internet of Things according to claim 13 interconnects, it is characterised in that also include：
    When the smart machine needs other smart device communications with platform transfer mode and the access platform, to this intelligence The ownership portal server of equipment sends " transit server mode communication information ", initiates to communicate by the ownership portal server Routing forwarding process, " transit server mode communication information " is forwarded to the Intelligent target equipment by described in；
    The Intelligent target equipment belongs to portal server to it and returns to " transit server mode communication information ", by the ownership Portal server initiates communication lines by repeating process, and " transit server mode communication information " returns to source and intelligently set by described in It is standby；
    " the transit server mode communication information " is comprised at least：The link layer header, the network layer header, the session layer Head, application layer head, the Content of Communication payload for wanting transfer.
  17. The platform 17. Internet of Things according to claim 13 interconnects, it is characterised in that also include：
    When the smart machine needs other smart machines progress direct communication with accessing the platform, belong to door clothes to it Business device sends " put-through channel sets up request message ", and " put-through channel sets up request message " includes：The link layer header, institute State the temporary ip address, described of network layer header, session layer head, application layer head, source smart machine in public network Interim UDP port number of the source smart machine in public network；
    The ownership portal server of the source smart machine initiates communication lines by repeating process, and " put-through channel is set up by described in Request message " is transmitted to Intelligent target equipment；
    The Intelligent target equipment belongs to portal server to it and returns to " put-through channel sets up response message ", described " straight-through logical Response message is set up in road " include：The link layer header, the network layer header, the session layer head, the application layer head, it is described Intelligent target equipment temporary ip address in public network in itself, the Intelligent target equipment are in itself in the interim of public network UDP port number；
    The ownership portal server of the Intelligent target equipment initiates communication lines by repeating process, and " put-through channel is set up by described in Response message " is transmitted to source smart machine；
    The source smart machine and Intelligent target equipment are according to other side in the temporary ip address of public network, and interim UDP ends Slogan, sends " put-through channel sets up confirmation message " to other side respectively；The communication put-through channel is successfully established, the source intelligence Can equipment and Intelligent target equipment progress direct communication.
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