CN110072257A - A kind of method of user's intercommunication under MEC - Google Patents
A kind of method of user's intercommunication under MEC Download PDFInfo
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- CN110072257A CN110072257A CN201910171739.1A CN201910171739A CN110072257A CN 110072257 A CN110072257 A CN 110072257A CN 201910171739 A CN201910171739 A CN 201910171739A CN 110072257 A CN110072257 A CN 110072257A
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- mec
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
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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
- H04L45/02—Topology update or discovery
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
- H04W28/065—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information using assembly or disassembly of packets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/246—Connectivity information discovery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/248—Connectivity information update
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/26—Connectivity information management, e.g. connectivity discovery or connectivity update for hybrid routing by combining proactive and reactive routing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention provides a kind of methods of user's intercommunication under MEC, including MEC receives upstream data step and MEC receives downlink data step；It is received in upstream data step in the MEC, MEC receives the upstream data that base station is sent, and MEC analyzes the destination address of upstream data；It is received in downlink data step in the MEC, MEC receives downlink data there are two direction, and MEC receives the downlink data that ME APP is sent, parses the packet header of data；MEC receives the downlink data that EPC is sent, which is the GTP data of standard, which is directly given to base station.The beneficial effects of the present invention are: the exchange and processing of data can be completed directly inside MEC using method of the invention, needs not move through S1 mouthfuls and go to handle to EPC, alleviate the pressure of transmission network, reduce the burden of core net, while greatly shortening the delay of communication.
Description
Technical field
The present invention relates to the communication issues based on user below mobile edge calculations, belong to 5G mobile communication field, especially
It is related to a kind of method of user's intercommunication under MEC.
Background technique
MEC (Mobile Edge Computing, mobile edge calculations), essence is exactly in the RAN net close to mobile subscriber
The ability based on IT architecture and cloud computing is provided for user in network, the business processing environment of high bandwidth, low time delay is provided.Due to industry
Business face sinks, and effectively reduces network load, accelerates every content, the quick response of service and application in network, allows consumer
Enjoy continual high network quality experience.
LTE (Long Term Evolution Long Term Evolution) network has a feature, the same base station or different bases
If the user under standing will communicate, communication data must by the PGW (PDN Gateway packet data network gateway) of core net come
Exchange is completed, when MEC is concatenated into base station and core net, the communication between terminal and terminal is also exchanged by PGW
It handles, the data routing between terminal is as shown in Figs. 1-2.
If necessary to communicate between terminal below MEC, data need to be sent to base station by eating dishes without rice or wine, and base station passes through S1 handle
Data issue core net, since data will pass through S1 mouthfuls:
1. necessarily bringing pressure to transmission network；
2.EPC needs to handle many users, and one user of every increase brings no small burden for EPC；
3. the time delay that the distance of transmission will also result in communication is too long.
Summary of the invention
The present invention provides a kind of methods of user's intercommunication under MEC, including MEC receives upstream data step and MEC is received
Downlink data step；
It is received in upstream data step in the MEC, MEC receives the upstream data that base station is sent, and MEC is to upstream data
Destination address analyzed, specifically include:
If upstream data is intended for ME APP's, MEC removes the GTP head of data, and data packet at this time is an IP number
According to packet, the essential information record of data is saved and is put into ME APP route information table, finally the data for peeling GTP off
Issue ME APP；
If data are intended for EPC's, packet is directly issued EPC；
It being received in downlink data step in the MEC, MEC receives downlink data, and there are two directions, it specifically includes:
MEC receives the downlink data that ME APP is sent, and the packet header of data is parsed, by header packet information in route information table
Corresponding route record is searched, GTP information is taken out from route information table record and is added to formation GTP message on data packet head,
It is driven into GTP tunnel；MEC receives the downlink data that EPC is sent, which is the GTP data of standard, by the lower line number
According to being directly given to base station.
As a further improvement of the present invention, it is received in upstream data step in the MEC, the essential information of data includes
Source address, destination address, TEID.
As a further improvement of the present invention, when ME APP is deployed to MEC, MEC needs to configure the URL of ME APP,
URL by parsing ME APP obtains the IP address of ME APP, and MEC records the address ME APP, for data packet to be diverted to
This address.
As a further improvement of the present invention, the user data intercommunication inside MEC is realized, MEC needs to learn all online
The header packet information of user, and header packet information is recorded inside UE route information table, UE route information table and ME APP routing
Information table can merge, and UE route information table can also individually establish a route information table.
As a further improvement of the present invention, it includes IP that the MEC, which needs to learn the header packet information of all online users,
Location, TEID.
As a further improvement of the present invention, if MEC receives the upstream of base station transmission, by searching for ME APP
Route information table and UE route information table, if UE route information table has corresponding record information, MEC is the upstream data packet
GTP head peel off, change the GTP head taken out from UE route information table into, new data packet be driven into GTP tunnel, complete to exist
MEC realizes data and sends internal user.
The invention also discloses a kind of systems of user's intercommunication under MEC, comprising: memory, processor and is stored in institute
The computer program on memory is stated, is realized described in right when the computer program is configured to be called as the processor
The step of method.
The invention also discloses a kind of computer readable storage medium, the computer-readable recording medium storage has calculating
Machine program, when the computer program is configured to be called as processor the step of method described in realization claim.
The beneficial effects of the present invention are: exchange and the place of data can be completed directly inside MEC using method of the invention
Reason, needs not move through S1 mouthfuls and goes to handle to EPC, alleviate the pressure of transmission network, reduce the burden of core net, greatly shorten simultaneously
The delay of communication.
Detailed description of the invention
Fig. 1 is user's communication background figure under the same base station of the present invention；
Fig. 2 is user's communication background figure under different base station of the present invention；
Fig. 3 is the architecture diagram of MEC data flow of the present invention；
Fig. 4 is user's communication scheme under different base station of the present invention.
Specific embodiment
Abbreviation and Key Term definition:
MEC:Mobile Edge Compute (mobile edge calculations)
EPC:Evolved Packet Core (evolution block core net)
TEID:Tunnel Endpoint Identifier (GPRS Tunnel Identifier)
ME APP:Mobile Edge Application (mobile edge application)
The invention discloses a kind of method of user's intercommunication under MEC, MEC is serially connected on S1 mouth, it is meant that EPC's arrived in base station
Data will pass through MEC, and since MEC provides edge cloud computing ability, it is data that it, which needs data distribution to give ME APP, Fig. 3,
The architecture diagram of stream.
Learn that 1,2,5 be upstream from Fig. 3,3,4,6 be downstream data flow.
When ME APP is deployed to MEC, MEC needs to configure the URL of ME APP, and the URL by parsing ME APP is obtained
The IP address of ME APP.MEC records this address ME APP, for data packet to be diverted to this address.
The method of user's intercommunication includes that MEC receives upstream data step and MEC reception downlink data step under MEC.
It is received in upstream data step in the MEC, MEC receives the upstream data 1 that base station is sent, and MEC is to upper line number
It is analyzed, is specifically included according to 1 destination address:
If upstream data 1 is intended for ME APP's, MEC removes the GTP head of data, and data packet at this time is an IP number
According to packet, the records such as the essential information of data, such as source address, destination address, TEID are saved and are put into ME APP routing
Information table, this table are mainly used for adding GTP packet when downlink, the data for peeling GTP off are finally issued ME APP, with reference in figure
Data flow 5；
If data are intended for EPC's, packet is directly issued EPC, the data flow 2 in figure.
It being received in downlink data step in the MEC, MEC receives downlink data, and there are two directions, it specifically includes:
MEC receives the downlink data 6 that ME APP is sent, and the packet header of data is parsed, by header packet information in routing iinformation
Table searches corresponding route record, and GTP information is taken out from route information table record and is added to formation GTP report on data packet head
Text is driven into GTP tunnel, is 4 with reference to the data flow in figure；When uplink: UE finds ME APP by route information table；Downlink
When: the downlink data of ME APP finds UE by route information table.
MEC receives the downlink data 3 that EPC is sent, which is the GTP data of standard, and the downlink data is straight
Switch through to base station, with reference to the data flow 4 in figure.
Realize the user data intercommunication inside MEC, MEC is with needing to learn the header packet information such as IP of all online users
Location, TEID etc., and header packet information is recorded inside UE route information table, when being mainly used for downlink, the need of addition GTP
It wants, UE route information table and ME APP route information table can merge, and UE route information table can also individually establish a routing
Information table.
If MEC receives the upstream of base station transmission, by searching for ME APP route information table and UE routing iinformation
Table, if UE route information table has corresponding record information, MEC peels the GTP head of the upstream data packet off, changes into from the road UE
By the GTP head taken out in information table, new data packet is driven into GTP tunnel, completes to realize in MEC and be used inside data transmission
Family.
The beneficial effects of the present invention are: exchange and the place of data can be completed directly inside MEC using method of the invention
Reason, needs not move through S1 mouthfuls and goes to handle to EPC, alleviate the pressure of transmission network, reduce the burden of core net, greatly shorten simultaneously
The delay of communication.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (8)
1. a kind of method of user's intercommunication under MEC, which is characterized in that receive upstream data step including MEC and MEC receives downlink
Data step；
It is received in upstream data step in the MEC, MEC receives the upstream data that base station is sent, mesh of the MEC to upstream data
Mark address is analyzed, and is specifically included:
If upstream data is intended for ME APP's, MEC removes the GTP head of data, and data packet at this time is an IP data packet,
The essential information record of data is saved and is put into ME APP route information table, finally the data for peeling GTP off are issued
ME APP；
If data are intended for EPC's, packet is directly issued EPC；
It being received in downlink data step in the MEC, MEC receives downlink data, and there are two directions, it specifically includes:
MEC receives the downlink data that ME APP is sent, and parses the packet header of data, is searched by header packet information in route information table
Corresponding route record takes out GTP information from route information table record and is added to formation GTP message on data packet head, squeezes into
To GTP tunnel；MEC receives the downlink data that EPC is sent, which is the GTP data of standard, and the downlink data is straight
Switch through to base station；Wherein, ME APP indicates mobile edge application, and MEC indicates mobile edge calculations, and EPC indicates evolution packet core
Heart net.
2. the method according to claim 1, wherein being received in upstream data step in the MEC, the base of data
This information includes source address, destination address, TEID.
3. the method according to claim 1, wherein MEC needs to configure ME when ME APP is deployed to MEC
The URL of APP, the URL by parsing ME APP obtain the IP address of ME APP, and MEC records the address ME APP, for data
Packet is diverted to this address.
4. method according to any one of claims 1 to 3, which is characterized in that realize the user data intercommunication inside MEC,
MEC needs to learn the header packet information of all online users, and header packet information is recorded inside UE route information table, UE routing
Information table and ME APP route information table can merge, and UE route information table can also individually establish a route information table.
5. according to the method described in claim 4, it is characterized in that, the MEC needs to learn the packet header letter of all online users
Breath includes IP address, TEID.
6. according to the method described in claim 4, it is characterized in that, passing through if MEC receives the upstream of base station transmission
ME APP route information table and UE route information table are searched, if UE route information table has corresponding record information, MEC is this
The GTP head of upstream data packet is peeled off, changes the GTP head taken out from UE route information table into, and new data packet is driven into GTP tunnel
Road, completing, which realizes data in MEC, sends internal user.
7. the system of user's intercommunication under a kind of MEC, it is characterised in that: include: memory, processor and be stored in the storage
Computer program on device is realized any in claim 1-6 when the computer program is configured to be called by the processor
The step of method described in item.
8. a kind of computer readable storage medium, it is characterised in that: the computer-readable recording medium storage has computer journey
Sequence, the computer program realize the step of method of any of claims 1-6 when being configured to be called by processor
Suddenly.
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| CN201910171739.1A CN110072257B (en) | 2019-03-07 | 2019-03-07 | Method for user intercommunication under MEC |
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| CN201910171739.1A CN110072257B (en) | 2019-03-07 | 2019-03-07 | Method for user intercommunication under MEC |
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| CN110072257B CN110072257B (en) | 2022-08-12 |
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| CN111030914A (en) * | 2019-12-19 | 2020-04-17 | 腾讯科技（深圳）有限公司 | Data transmission method and data transmission system |
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