CN105610634A - Data transmission system and method of core network - Google Patents
Data transmission system and method of core network Download PDFInfo
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- CN105610634A CN105610634A CN201610101132.2A CN201610101132A CN105610634A CN 105610634 A CN105610634 A CN 105610634A CN 201610101132 A CN201610101132 A CN 201610101132A CN 105610634 A CN105610634 A CN 105610634A
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- customer terminal
- request
- core network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
- H04L45/745—Address table lookup; Address filtering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention provides a data transmission system of a core network. The system comprises the core network, a server, a piece of user equipment and a piece of customer terminal equipment. In adoption of the core network, a request data packet sent by the user equipment is received; whether the destination IP address of the request data packet matches with a terminal exchange visit table is judged; if the destination IP address does not match with the terminal exchange visit table, further judging whether the destination IP address and the source IP address of the request data packet match with a precise route table; when judging that the destination IP address and the source IP address of the request data packet match with a precise route table, the request data packet is sent to the customer terminal equipment in a form of the IP address of the customer terminal equipment; and further the request data packet is transmitted to the server. The invention also provides a data transmission method of the core network. According to the data transmission system and method of the core network, the to-be-transmitted data packet is configured flexibly through a configuration table; and further the data access demand among various scenes can be satisfied.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of biography that realizes LTE networking packet by allocation listCommunication system and method.
Background technology
Miniaturization LTE ((LongTermEvolution, Long Term Evolution)) communication network is used for solving given zoneData communication in territory, the functions such as telex network, business transmission, realize communication solution end to end,But along with the development in market, client's demand presents diversified trend, application scenarios is also more and more. PassThe LTE networking of system, can only meet the data interaction between terminal and server, between terminal-to-terminal service,And terminal to the data access between external server be but difficult to realize, need to increase some network equipments (asRouter, switch etc.), so both increased network load, also can increase the transmission of packet in network timeProlong, affect message transmission rate. Therefore be necessary to propose a kind of follow-on core network data transmission system andMethod overcomes above-mentioned defect.
Summary of the invention
The object of the invention is to, a kind of core network data transmission method is provided, it can be realized by allocation listBetween terminal-to-terminal service, and terminal is to the data access between external server.
Another object of the present invention is to, a kind of core network data transmission system is provided, it can pass through allocation listRealize between terminal-to-terminal service, and terminal is to the data access between external server.
To achieve these goals, an embodiment of the present invention provides a kind of core network data transmission method, usesIn core network data transmission system, described core network data transmission system comprises server, subscriber equipment and visitorFamily terminal device, described subscriber equipment and described customer terminal equipment are all assigned IP address. Described core netData transmission method comprises the following steps:
Receive the request data package that described subscriber equipment sends the object IP address that judges described request packetWhether mate with terminal mutual visit table;
If coupling, joins the object IP address of described request packet according to described terminal mutual visit tablePut;
If do not mated, judge the object IP address of described request packet and source IP address whether with essenceReally routing table coupling; And
Judge the object IP address of described request packet and source IP address all with described accurate routing tableWhen coupling, described request packet is sent to described client with the IP address format of described customer terminal equipmentTerminal device, to transfer to described server by described request packet by described customer terminal equipment.
Preferably, described judge the object IP address of described request packet and source IP address all with described inWhen accurately routing table is mated, described request packet is sent with the IP address format of described customer terminal equipmentTo described customer terminal equipment, described in described request packet is transferred to by described customer terminal equipmentThe step of server comprises:
Judge the object IP address of described request packet and source IP address all with described accurate routing tableWhen coupling, described request packet is sent out by tunnel protocol with the IP address format of described customer terminal equipmentDeliver to described customer terminal equipment, described customer terminal equipment by received request data package from LANPort forwards WAN port to, with by described request data packet transmission to described server.
Preferably, described described request packet is transferred to described server by described customer terminal equipmentStep after also comprise:
Receive the reply data bag of described server feedback, and by described reply data bag and described terminal mutual visitTable coupling, to be sent to described user terminal by described reply data bag.
Preferably, the reply data bag of the described server feedback of described reception, and by described reply data bag withDescribed terminal mutual visit table coupling, comprises with the step that described reply data bag is sent to described user terminal:
Receive the reply data bag of described server feedback, and by described reply data bag and described terminal mutual visitTable mates and proceeds to downlink tunnel processing, so that described reply data bag is sent to described user terminal.
Preferably, described described request packet is transferred to described server by described customer terminal equipmentStep after also comprise:
Described server receives after the request data package of described customer terminal equipment transmission, to described request numberResolve and obtain check code to carry out verification according to bag.
An embodiment of the present invention also provides a kind of core network data transmission system, comprise core net, server,Subscriber equipment and customer terminal equipment, described subscriber equipment and described customer terminal equipment are all assigned IP address,Described core net is for receiving the request data package that described subscriber equipment sends and judging described request packetWhether mate with terminal mutual visit table object IP address;
If coupling, described core net according to described terminal mutual visit table the object IP to described request packetAddress is configured;
If do not mated, described core net further judges object IP address and the source of described request packetWhether mate with accurate routing table IP address; And
Described core net is also for equal at object IP address and the source IP address of judging described request packetWhile coupling with described accurate routing table, the IP address shape by described request packet with described customer terminal equipmentFormula is sent to described customer terminal equipment, so that described request packet is transmitted by described customer terminal equipmentTo described server.
Preferably, described core net is also for judging object IP address and the source IP of described request packetWhen all mate with described accurate routing table address, the IP by described request packet with described customer terminal equipmentAddress format is sent to described customer terminal equipment by tunnel protocol, described customer terminal equipment by receiveTo request data package forward WAN port to from LAN port, with by described request data packet transmission to instituteState server.
Preferably, described core net is also for receiving the reply data bag of described server feedback, and will described inReply data bag mates with described terminal mutual visit table, so that described reply data bag is sent to described user terminal.
Preferably, described core net is also for receiving after the reply data bag of described server feedback, by instituteState reply data bag and mate with described terminal mutual visit table and proceed to downlink tunnel processing, with by described reply dataBag is sent to described user terminal.
Preferably, described server is also for the request data package receiving described customer terminal equipment transmissionAfter, check code is resolved and obtained to described request packet to carry out verification.
Beneficial effect of the present invention: the invention provides core network data transmission system and method, can be by joiningPut table flexible configuration packet waiting for transmission, so meet terminal and interior network server, terminal and terminal andData access demand between terminal and external server etc. between several scenes.
In order further to understand feature of the present invention and technology contents, refer to following relevant the present inventionDetailed description and accompanying drawing, but accompanying drawing only provide with reference to and explanation use, be not used for the present invention to be limitSystem.
Brief description of the drawings
Fig. 1 is the applied environment figure of core network data communication system in an embodiment of the present invention;
Fig. 2 is the functional block diagram of core network data communication system in an embodiment of the present invention;
Fig. 3 is the flow chart of core network data transmission method in an embodiment of the present invention;
Fig. 4 is the flow chart of core network data transmission method in another embodiment of the present invention.
Detailed description of the invention
Technological means and the effect thereof taked for further setting forth the present invention, below in conjunction with of the present invention excellentSelect embodiment and accompanying drawing thereof to be described in detail.
Refer to Fig. 1 and Fig. 2. The core network data transmission system 100 that embodiment of the present invention provides can beOne small-sized LTE communication network. Core network data transmission system 100 comprises core net 1, server 2, userEquipment 3 and customer terminal equipment 4. In the time that core network data transmission system 100 is moved, subscriber equipment 3 and visitorFamily terminal device 4 is all assigned unique IP address. Core net 1 please for what receive that subscriber equipment 3 sendsThe object IP address of asking packet and judging request data package whether with default terminal mutual visit table (AccessControlList, ACL) coupling; If judged result is coupling, core net 1 is shown asking according to ACLAsk the object IP address of packet to be configured, to transmit; If judged result is for mating, coreHeart net 1 is resolved request data package, and further judges the object IP ground of the request data package of its receptionWhether location and source IP address mate with accurate routing table, and in the object IP address of judging request data packageWhile all coupling with this accurate routing table with source IP address, the IP ground by request data package with customer terminal equipmentLocation form is sent to customer terminal equipment 4, to realize, request data package is transferred to by customer terminal equipment 4Server 2. If judgement is not mate with accurate routing table, is illegal request packet. By above oneEmbodiment describes known, and the request data package that core net 1 can be treated transmission according to different match and regulate is enteredRow flexible configuration, meets different application scene thereby realize, and ensures that packet can arrive the equipment of specifying,Can save the network equipment (router or switch) simultaneously. In an embodiment of the present invention, core net 1Can be EPC (EvolvedPacketCore), subscriber equipment 3 can be UE (UserEquipment),Customer terminal equipment 4 can be CPE (CustomerPremisesEquipment), between UE and EPC, goes backBe provided with evolved NodeB5 (EvolvedNodeB, eNodeB). It should be noted that ACL table andAccurately routing table is pre-stored in data transmission system.
In an embodiment of the present invention, core net 1 is also for the object IP ground judging request data packageLocation and source IP address all when accurately routing table is mated, core net 1 by request data package with customer terminal equipment4 IP address format is sent to customer terminal equipment 4 by tunnel protocol, customer terminal equipment 4 by connectThe request data package of receiving forwards WAN port (WAN mouth) to from LAN port (LAN mouth), and then should askAsk data packet transmission to server 2. Server 2 is the request for receiving customer terminal equipment 4 and transmitting alsoAfter packet, check code is resolved and obtained to the request data package receiving to carry out verification, and outputCheck results, thus guarantee the correct transmission of packet.
In an embodiment of the present invention, after completing data receiver, server 2 can generate a reply data bag,The reply data bag that core net 1 is also exported for reception server 2, and by mutual to this reply data bag and terminalVisit table mates, and after having mated, reply data bag is sent to user terminal 1, thereby completes whole dataTransmitting procedure. Particularly, after the reply data bag that core net 1 is fed back at reception server 2, will replyPacket mates with terminal mutual visit table and proceeds to downlink tunnel processing, and is sent to user eventually by eNodeB5End 3.
Below the ping bag business taking user terminal 3 access services devices 2 is illustrated as example:
User terminal 3 and customer terminal equipment 4 are linked in network, and user terminal 3 and client terminal are establishedStandby 4 have all successfully been assigned to IP address. The IP address of supposing user terminal 3 is 172.168.0.21, visitorThe IP address of family terminal device 4 is 172.168.0.56, and the IP address of server is 192.254.100.111.The request data package that user terminal 3 (172.168.0.21) sends arrives after core net 1 by eNodeB, coreHeart net 1 is searched ACL table, and the object IP that judges packet is 192.254.100.111, and it does not meet ACLThe configuration condition of table, core net 1 reattempts the accurate routing table of coupling, and request data package is resolved, and sentencesDisconnected its source IP and object IP all meet the configuration condition of accurate routing table, core net 1 by packet with clientThe IP address 172.168.0.56 of terminal device sends downwards, sends to client terminal establish by tunnel protocolAfter standby 4, customer terminal equipment 4 forwards this request data package WAN mouth to and then sends to service from LAN mouthDevice 2. Server 2 is received after the request message of ping bag, reply response message, and server 2 backReply data bag arrives first customer terminal equipment 4, then by eating dishes without rice or wine by eNodeB to core net 1, and core net 1Receive after reply data bag, by the reflexless terminal table of exchanging visits, reply data bag proceeded to downlink tunnel processing,Finally arrive again user terminal 3 (172.168.0.21), so just completed user terminal 3 to external server2 whole ping bag operation flow.
Fig. 3 is the flow chart of core network data transmission method in an embodiment of the present invention. This core network dataTransmission method can be realized by the core network data transmission system 100 shown in Fig. 1 or Fig. 2. In stepIn rapid S300, core net 1 receives the request data package that subscriber equipment 3 sends and judges this request data packageWhether mate with default terminal mutual visit table object IP address. In step S302, if judgement coupling,Core net 1 is configured the object IP address of request data package according to terminal mutual visit table. At step S304In, if judgement is not mated, core net 1 is resolved request data package and is judged request data packageWhether object IP address and source IP address mate with accurate routing table. In step S306, when core net 1When judging the object IP address of request data package and source IP address and all mating with default accurate routing table,Core net 1 is sent to customer terminal equipment 4 by request data package with the IP address format of customer terminal equipment,And then transfer to server 2. In step S308, when core net 1 is judged the object IP of request data packageWhen address or source IP address do not mate with default accurate routing table, return to the information of reporting an error. In this enforcement sideIn formula, core net 1 can be EPC (EvolvedPacketCore), and subscriber equipment 3 can be UE (UserEquipment), customer terminal equipment 4 can be CPE (CustomerPremisesEquipment), UEAnd between EPC, be also provided with evolved NodeB5 (EvolvedNodeB, eNodeB).
As to the further refinement of step S306, core net 1 is on the object IP ground of judging request data packageWhen location and source IP address all mate with default accurate routing table, by this request data package with customer terminal equipmentIP address format is sent to customer terminal equipment 4 by tunnel protocol, and customer terminal equipment 4 is by receivedRequest data package forward WAN port to from LAN port, and then transfer to server 2.
Please refer to Fig. 4, as to further improvement of the present invention, this core network data transmission method also wrapsDraw together step S310, in step S310, server 2 receives the request data that customer terminal equipment 4 transmitsBao Hou, resolves, obtains to the request data package receiving the check code comprising in request data package and go forward side by sideRow verification, thus guarantee the correctness of transfer of data.
As to further improvement of the present invention, this core network data transmission method also comprises step S312,In step S312, server 2 generates reply data bag completing to receive after request data package, and core net 1 alsoThe reply data bag feeding back for reception server 2, and by reply data bag and default terminal mutual visit tableJoin, so that reply data bag is sent to user terminal 3. Particularly, core net 1 is fed back at reception server 2Reply data bag after, reply data bag is mated with default terminal mutual visit table and proceeds to downlink tunnel processingAnd be sent to user terminal 3 by eNodeB5.
In sum, core network data transmission system provided by the invention and method, can pass through allocation list spiritThe configuration packet waiting for transmission of living, so meet terminal and interior network server, terminal and terminal and terminal andData access demand between external server etc. between several scenes.
The above, for the person of ordinary skill of the art, can be according to technical scheme of the present inventionMake other various corresponding changes and distortion with technical conceive, and all these changes and distortion all should belong toThe protection domain of the claims in the present invention.
Claims (10)
1. a core network data transmission method, for core network data transmission system, described core networkReportedly communication system comprises server, subscriber equipment and customer terminal equipment, described subscriber equipment and described clientTerminal device is all assigned IP address, it is characterized in that, described core network data transmission method comprises following stepRapid:
Receive the request data package that described subscriber equipment sends the object IP address that judges described request packetWhether mate with terminal mutual visit table;
If coupling, joins the object IP address of described request packet according to described terminal mutual visit tablePut;
If do not mated, judge the object IP address of described request packet and source IP address whether with essenceReally routing table coupling; And
Judge the object IP address of described request packet and source IP address all with described accurate routing tableWhen coupling, described request packet is sent to described client with the IP address format of described customer terminal equipmentTerminal device, to transfer to described server by described request packet by described customer terminal equipment.
2. core network data transmission method as claimed in claim 1, is characterized in that, described judgingWhen stating the object IP address of request data package and source IP address and all mating with described accurate routing table, will described inRequest data package is sent to described customer terminal equipment with the IP address format of described customer terminal equipment, to incite somebody to actionThe step that described request packet transfers to described server by described customer terminal equipment comprises:
Judge the object IP address of described request packet and source IP address all with described accurate routing tableWhen coupling, described request packet is sent out by tunnel protocol with the IP address format of described customer terminal equipmentDeliver to described customer terminal equipment, described customer terminal equipment by received request data package from LANPort forwards WAN port to, with by described request data packet transmission to described server.
3. the core network data transmission method as described in claim 1 or 2 any one, is characterized in that instituteAfter stating the step that described request packet is transferred to described server by described customer terminal equipment, also wrapDraw together:
Receive the reply data bag of described server feedback, and by described reply data bag and described terminal mutual visitTable coupling, to be sent to described user terminal by described reply data bag.
4. core network data transmission method as claimed in claim 3, is characterized in that, described in described receptionThe reply data bag of server feedback, and described reply data bag is mated with described terminal mutual visit table, to incite somebody to actionThe step that described reply data bag is sent to described user terminal comprises:
Receive the reply data bag of described server feedback, and by described reply data bag and described terminal mutual visitTable mates and proceeds to downlink tunnel processing, so that described reply data bag is sent to described user terminal.
5. core network data transmission method as claimed in claim 1 or 2, is characterized in that, described by instituteStating request data package also comprises after transferring to the step of described server by described customer terminal equipment:
Described server receives after the request data package of described customer terminal equipment transmission, to described request numberResolve and obtain check code to carry out verification according to bag.
6. a core network data transmission system, comprises core net, server, subscriber equipment and client terminalEquipment, described subscriber equipment and described customer terminal equipment are all assigned IP address, it is characterized in that instituteState core net for the receive described subscriber equipment request data package of sending the order that judges described request packetIP address whether mate with terminal mutual visit table;
If coupling, described core net according to described terminal mutual visit table the object IP to described request packetAddress is configured;
If do not mated, described core net further judges object IP address and the source of described request packetWhether mate with accurate routing table IP address; And
Described core net is also for equal at object IP address and the source IP address of judging described request packetWhile coupling with described accurate routing table, the IP address shape by described request packet with described customer terminal equipmentFormula is sent to described customer terminal equipment, so that described request packet is transmitted by described customer terminal equipmentTo described server.
7. core network data transmission system as claimed in claim 6, is characterized in that, described core net alsoFor judge the object IP address of described request packet and source IP address all with described accurate routing tableWhen coupling, described request packet is sent out by tunnel protocol with the IP address format of described customer terminal equipmentDeliver to described customer terminal equipment, described customer terminal equipment by received request data package from LANPort forwards WAN port to, with by described request data packet transmission to described server.
8. the core network data transmission system as described in claim 6 or 7 any one, is characterized in that,Described core net is also for receiving the reply data bag of described server feedback, and by described reply data bag withDescribed terminal mutual visit table coupling, to be sent to described user terminal by described reply data bag.
9. core network data transmission system as claimed in claim 8, is characterized in that, described core net alsoFor receiving after the reply data bag of described server feedback, by mutual to described reply data bag and described terminalVisit table mates and proceeds to downlink tunnel processing, so that described reply data bag is sent to described user terminal.
10. core network data transmission system as claimed in claim 6, is characterized in that, described server is also usedAfter receiving the request data package of described customer terminal equipment transmission, described request packet is separatedAnalyse and obtain check code to carry out verification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610101132.2A CN105610634B (en) | 2016-02-24 | 2016-02-24 | Core network data Transmission system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610101132.2A CN105610634B (en) | 2016-02-24 | 2016-02-24 | Core network data Transmission system and method |
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| Publication Number | Publication Date |
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| CN105610634A true CN105610634A (en) | 2016-05-25 |
| CN105610634B CN105610634B (en) | 2019-04-16 |
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| CN201610101132.2A Expired - Fee Related CN105610634B (en) | 2016-02-24 | 2016-02-24 | Core network data Transmission system and method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2004298704A1 (en) * | 2003-12-16 | 2005-06-30 | Pulse Utilities New Zealand Limited | A power line communication system and an intelligent meter |
| CN102014039A (en) * | 2009-09-07 | 2011-04-13 | 华为技术有限公司 | Data transmission method and access point |
| CN103220650A (en) * | 2012-01-18 | 2013-07-24 | 华为技术有限公司 | Method and device for WiFi terminal to visit different service domains |
| CN104348708A (en) * | 2013-08-08 | 2015-02-11 | 中兴通讯股份有限公司 | Implementation method and device for leaving message |
| CN104660683A (en) * | 2015-01-27 | 2015-05-27 | 广州视源电子科技股份有限公司 | Data transmission control method, device and system |
-
2016
- 2016-02-24 CN CN201610101132.2A patent/CN105610634B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2004298704A1 (en) * | 2003-12-16 | 2005-06-30 | Pulse Utilities New Zealand Limited | A power line communication system and an intelligent meter |
| CN102014039A (en) * | 2009-09-07 | 2011-04-13 | 华为技术有限公司 | Data transmission method and access point |
| CN103220650A (en) * | 2012-01-18 | 2013-07-24 | 华为技术有限公司 | Method and device for WiFi terminal to visit different service domains |
| CN104348708A (en) * | 2013-08-08 | 2015-02-11 | 中兴通讯股份有限公司 | Implementation method and device for leaving message |
| CN104660683A (en) * | 2015-01-27 | 2015-05-27 | 广州视源电子科技股份有限公司 | Data transmission control method, device and system |
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| CN105610634B (en) | 2019-04-16 |
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