CN108306843A - A kind of business data flow transmission method, system and PGW - Google Patents
A kind of business data flow transmission method, system and PGW Download PDFInfo
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- CN108306843A CN108306843A CN201610850791.6A CN201610850791A CN108306843A CN 108306843 A CN108306843 A CN 108306843A CN 201610850791 A CN201610850791 A CN 201610850791A CN 108306843 A CN108306843 A CN 108306843A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0227—Filtering policies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
- H04L12/1403—Architecture for metering, charging or billing
- H04L12/1407—Policy-and-charging control [PCC] architecture
Abstract
The invention discloses a kind of business data flow transmission method, system and PGW, are related to field of communication technology, and method therein includes：PGW establishes gateway side traffic flow template TFT rules, correspondence of the gateway side TFT rules configured with type of service mark and dedicated bearing；When the information for judging that the traffic identifier FlowLabal fields in IPV6 messages packet header carry is consistent with type of service mark, then IPV6 messages are sent by dedicated bearing.Method, system and the PGW of the present invention, Flow Label field values are as the filtering rule of dedicated bearing using in ipv6 header, solve the problems, such as can not to be that the complicated business with more IP address configures dedicated bearing guarantee, it can be achieved to carry out dedicated bearing guarantee to different business data flow under the same ports IP+, reduce the signaling overheads for the TFT rules that network side issues, business rule configuration is simple, and 4G networks, 5G networks are all suitable for.
Description
Technical field
The present invention relates to a kind of field of communication technology more particularly to business data flow transmission method, system and PGW.
Background technology
In LTE (Long Term Evolution, long term evolution) network, it is divided into according to the carrying of service quality user
Default bearing and dedicated bearing.Default bearing uses Non-GBR bandwidth safeguards, i.e., the money under all same base stations of users to share
Source, without priority, each user uses default bearing under normal circumstances.In order to be carried to the user equipment of identical IP address
For the business with different QoS guarantee, need to use dedicated bearing, each user that there can be multiple dedicated bearings.Dedicated bearing
GBR (ensureing bandwidth) can be set, using non-9 QCI, to have scheduling priority in wireless side.The knowledge of dedicated bearing
The five-tuple that the ports IP+ Mu Qianzhuyaoshi not passed through, is marked by TFT (traffic flow template) in the 3 gpp specifications
Knowing, PGW (PDN Gateway) and UE (User Equipment) are required for installation TFT, and each data packet is filtered by TFT,
Qualified data packet is sent by dedicated bearing, it is unmatched to be sent by default bearing.
But mobile Internet business has the characteristics that distribution is wide, variation is fast, such as needs to ensure payment by dedicated bearing
Precious business then needs to dispose thousands of since Alipay service interface itself is numerous and deploys CDN if necessary to whole guarantee
IP address.According to protocol specification, a carrying a corresponding TFT, a TFT at most allow 16 filter, that is, can only
16 address filtering rules are configured, therefore cannot be satisfied current business demand, and issues a large amount of filter and increases network
The expense of signaling.Currently, mobile network flow is mainly HTTP, other protocol traffics are seldom.It is contained in HTTP flows various each
The business data flow of sample, for business data flow, core net needs to configure filter and carries out flow matches.But the filter of business
Information dynamic change, PCRF can not accurately can configure the filter information of applied business at any time, and due to standard agreement
Limitation, the corresponding communication flows module (traffic flow template, full name in English TFT) of a carrying, one logical
Letter flow module at most allows that 16 filter are arranged at present, does not adapt to because the filter's that the diversity of application is brought is more
The requirement of sample cannot effectively create corresponding dedicated bearing according to application message.The corresponding clothes in the same ports IP+ simultaneously
Business, some of service traffics need that special feature, current mode is used also to cannot achieve.
Invention content
In view of this, the invention solves a technical problem be to provide a kind of business data flow transmission method, system
And PGW.
According to an aspect of the present invention, a kind of business data flow transmission method is provided, including：Packet data gateway PGW
Establish gateway side traffic flow template TFT rules, wherein gateway side TFT rules are configured with type of service mark and dedicated bearing
Correspondence；The PGW is filtered downlink data based on the gateway side TFT rules, when judging IPV6 messages packet header
When the information that traffic identifier FlowLabal fields carry is consistent with type of service mark, then the IPV6 messages are passed through
The dedicated bearing is sent.
Optionally, the PGW receives the service bearer rule that Policy and Charging Rules Function PCRF is issued,
In, the service bearer rule includes：The type of service mark, the service quality QOS information of Business Stream；The PGW according to
The type of service mark establishes the gateway side TFT rules.
Optionally, the PGW receives the service bearer rule that PCRF is issued and includes：The PGW is sent to the PCRF
CCR message, for obtaining business information；The PCRF sends CCA message to the PGW, wherein is carried in the CCA message
There is the service bearer rule.
Optionally, the PGW sends Create Bearer Request message to MME, and described proprietary hold is established in request
It carries, wherein the Create Bearer Request message carries the type of service mark and the QOS information；It is described
MME sends Bearer Setup Request message to eNB, wherein the type of service mark is carried in the message；
The eNB sends RRC Connection Reconfiguration message to the terminal, wherein is carried in the message
There is the type of service to identify；The terminal is based on type of service mark and establishes end side TFT rules, wherein the end
Correspondence of the end side TFT rules configured with type of service mark and the dedicated bearing.
Optionally, after establishing the end side TFT rules, the terminal sends RRC Connection to the eNB
Reconfiguration message；The eNB returns to Bearer Setup Response message to the MME, notifies described special
There is carrying to establish；The MME returns to Create Bearer Respone message to the PGW, notifies the PGW, described in notice
Dedicated bearing is established.
Optionally, the terminal is filtered upstream data based on the end side TFT rules；When judging upstream data
When matching with type of service mark, then type of service mark is added to the IPV6 message packets in the upstream data
In the FlowLabal fields of head, and the PGW is sent to by the dedicated bearing.
Optionally, server receives the upstream data of the PGW forwardings, extraction IPV6 messages packet header
The type of service mark that FlowLabal fields carry；The server is by type of service mark addition in number of responses
According to IPV6 messages packet header FlowLabal fields in, and the response data is sent to the PGW.
Optionally, the QOS information includes：Quality of service classes identifies QCI information.
Another method according to the present invention provides a kind of business data flow transmission method, including：Packet data gateway PGW；
The PGW, including：Filtering rule establishes module, for establishing gateway side traffic flow template TFT rules, wherein the gateway side
Correspondence of the TFT rules configured with type of service mark and dedicated bearing；Traffic filtering module, for being based on the gateway side
TFT rules are filtered downlink data, when the information for judging that the traffic identifier FlowLabal fields in IPV6 messages packet header carry
When being consistent with type of service mark, then the IPV6 messages are sent by the dedicated bearing.
Optionally, further include：Policy and Charging Rules Function PCRF；The filtering rule establishes module, is additionally operable to
The service bearer rule that the PCRF is issued is received, the service bearer rule includes：Type of service mark, Business Stream
Service quality QOS information establishes the gateway side TFT rules according to type of service mark.
Optionally, the filtering rule establishes module, is additionally operable to send CCR message to the PCRF, for obtaining business
Information；The PCRF establishes module to the filtering rule and sends CCA message, wherein carries the industry in the CCA message
Business carrying rule.
Optionally, further include：MME, eNB and terminal；The PGW further includes：Module is established in carrying, is used for the MME
Create Bearer Request message is sent, the dedicated bearing is established in request, wherein the Create Bearer
Request message carries the type of service mark and the QOS information；The MME sends Bearer Setup to eNB
Request message, wherein the type of service mark is carried in the message；The eNB sends RRC to the terminal
Connection Reconfiguration message, wherein the type of service mark is carried in the message；The end
End group establishes end side TFT rules in type of service mark, wherein the end side TFT rules are configured with the business
The correspondence of type identification and the dedicated bearing.
Optionally, after establishing end side TFT rules, the terminal sends RRC Connection to the eNB
Reconfiguration message；The eNB returns to Bearer Setup Response message to the MME, notifies described special
There is carrying to establish；The MME establishes module to the carrying and returns to Create Bearer Respone message, is held described in notice
Load establishes the foundation of module dedicated bearing.
Optionally, the terminal is filtered upstream data based on the end side TFT rules, when judging upstream data
When matching with type of service mark, then type of service mark is added to the IPV6 message packets in the upstream data
In the FlowLabal fields of head, and the PGW is sent to by the dedicated bearing.
Optionally, including：Server；The server receives the upstream data of the PGW forwardings, extracts IPV6
The type of service mark that FlowLabal fields in message packet header carry；The server identifies the type of service
The response data is sent to the PGW by addition in the FlowLabal fields in the IPV6 messages packet header of response data.
According to another aspect of the invention, a kind of packet data gateway PGW is provided, including：Filtering rule establishes module, uses
In establishing gateway side traffic flow template TFT rule, wherein the gateway side TFT rules configured with type of service identify with it is proprietary
The correspondence of carrying；Traffic filtering module is filtered downlink data for being based on the gateway side TFT rules, when sentencing
When the information that traffic identifier FlowLabal fields in disconnected IPV6 messages packet header carry is consistent with type of service mark, then
The IPV6 messages are sent by the dedicated bearing.
Optionally, the filtering rule establishes module, is additionally operable to reception Policy and Charging Rules Function PCRF and issues
Service bearer rule, the service bearer rule includes：The type of service mark, the service quality QOS information of Business Stream,
The gateway side TFT rules are established according to type of service mark.
Optionally, the filtering rule establishes module, is additionally operable to send CCR message to the PCRF, for obtaining business
Information；Wherein, the PCRF establishes module to the filtering rule and sends CCA message, wherein is carried in the CCA message
The service bearer rule.
The business data flow transmission method of the present invention, Flow Label field values are as dedicated bearing using in ipv6 header
Filtering rule, solve the problems, such as can not to be that complicated business with more IP address configures dedicated bearing and ensures, it can be achieved that right
Different business data flow carries out dedicated bearing guarantee under the same ports IP+, and the signaling for reducing the TFT rules that network side issues is opened
Pin.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the present invention, for those of ordinary skill in the art, without having to pay creative labor, also
It can be obtain other attached drawings according to these attached drawings.
Fig. 1 is the flow diagram according to one embodiment of the business data flow transmission method of the present invention；
Fig. 2 is the structural schematic diagram of IPV6 messages；
Fig. 3 is the flow diagram according to another embodiment of the business data flow transmission method of the present invention；
Fig. 4 is the schematic diagram according to one embodiment of the business data flow Transmission system of the present invention；
Fig. 5 is the module diagram of PGW in one embodiment according to the business data flow Transmission system of the present invention.
Specific implementation mode
With reference to the accompanying drawings to invention is more fully described, wherein illustrating exemplary embodiment of the present invention.Under
Face will combine the attached drawing in the embodiment of the present invention, and technical scheme in the embodiment of the invention is clearly and completely described, show
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.Various descriptions are carried out to technical scheme of the present invention with reference to each figure and embodiment.
Fig. 1 is according to the flow diagram of one embodiment of the business data flow transmission method of the present invention, such as Fig. 1 institutes
Show：
Step 101, PGW establishes gateway side traffic flow template TFT rules, wherein gateway side TFT rules are configured with service class
Type identifies the correspondence with dedicated bearing.Type of service identifies the data flow for identifying and distinguishing different service types, can
To be that operator distributes.
Step 102, PGW is filtered downlink data based on gateway side TFT rules.
Step 103, when the information and type of service mark for judging that the traffic identifier FlowLabal fields in IPV6 messages packet header carry
It is sensible when meeting, then IPV6 messages are sent by dedicated bearing.
The correspondence that type of service mark and dedicated bearing is established in gateway side TFT rules, when IPV6 messages packet header
Value and the type of service marks of FlowLabal fields be consistent, then dedicated bearing is determined based on correspondence, IP packet is led to
Cross dedicated bearing transmission.
In one embodiment, terminal establishes end side TFT rules, and end side TFT rules are identified configured with type of service
With the correspondence of dedicated bearing.Terminal is filtered upstream data based on end side TFT rules, when judge upstream data with
When type of service mark matches, then type of service mark is added to the FlowLabal in the IPV6 messages packet header of upstream data
In field, and PGW is sent to by dedicated bearing.
The QoS of certain characteristic is provided between UE and PDN (PacketDataNetwork, packet data network)
The carrying that (QualityofService, service quality) transmission ensures is divided into two classes：Default bearing (defaultbearer) and specially
There is carrying (dedicatedbearer).Default bearing is then a kind of user's carrying of the data meeting acquiescence QoS and signaling.It is silent
Recognize carrying a kind of offer can be simply provided and does one's best the holding of IP (InternetProtocol, network interconnection agreement) connections
It carries, is established with the foundation of PDN links, destroyed with the dismounting of the link of PDN, provide permanent online IP to the user and pass
Defeated service.Compared with dedicated bearing, the grouping that filtering meets certain criterion cannot be distinguished in default bearing.
Dedicated bearing is established on the basis of PDN links foundation, is to provide for certain specific QoS transmission demands
And (default bearing cannot be satisfied) established.Dedicated bearing is associated with a UL (Uplink, uplink) TFT in UE
(TrafficFlowTemplate, traffic flow template) is associated with one in PGW (PDNGateway, packet data gateway)
Include the filter of business data flow in DLTFT, TFT, and these filters can only match the grouping for meeting certain criterion.
It is traditional to establish the scheme of dedicated bearing by way of IP address currently, with the raising of business complexity
The demand of business is cannot be satisfied, main there are two problems：1. the most thin rule of core net dedicated bearing is the ports IP+, for same
The different business flow that Single port provides can not distinguish.For example, 1 80 port provides Video service, regarded for different
Frequency flows, and important data flow will carry out special feature guarantee, cannot achieve at present.2. core net at most can only for a dedicated bearing
16 IP+ port rules are configured, complicated business demand is cannot be satisfied.
Business data flow transmission method in above-described embodiment, by the traffic identifier FlowLabal fields in IPV6 messages packet header
Value as the filtering rule using dedicated bearing, it can not be that complicated business with more IP address configures dedicated bearing to solve
The problem of guarantee, identifies different business datums in the core network using FLOW LABEL fields in IPv6 fixed headers
It flows, the PGW in user terminal and core net is recognized the need for using the FLOW LABEL fields of ipv6 header using proprietary
The business data flow ensured is carried, the dedicated bearing for simplifying complicated business establishes process so that identifies under the same ports IP+
Different business data flow is achieved.
The fixed header of IPv6 agreements is as shown in Figure 2：Wherein Flow Label fields are exactly for transmitting in the protocol
During mark data stream, the length of 20bit do not use the field at present in deployment of LTE network.PCRF
(Policy and Charging Rules Function, Policy and Charging Rules Function) is the policy control of core net
Entity is responsible for safeguarding the correspondence that signing ensures Business Stream and type of service mark, and is responsible for issuing respective rule and arrive
PGW network elements.It is preserved by PCRF network elements and ensures that the correspondence that Business Stream and type of service identify is as shown in table 1 below：
The correspondence of table 1- Business Streams and IPv6Flow Label values
Type of service in table 1 is identified as the mark of operator's distribution, and the preceding 10bits of type of service mark is for indicating
Each manufacturer, rear 10bits distribution Ge Ge manufacturers are for identifying its specific business data flow.For example, type of service identifies
When 00000000020000000001, then show that business data flow is the business data flow from Alipay.
On the subscriber terminal during line, PCRF can trigger the foundation of the dedicated bearing based on business data flow.Work as terminal
On APP send uplink message when, the Flow Label fields of the ipv6 header of message are set to by operation according to specific business
Data packet, is carried out the matching of end side TFT rules, data packet is transferred to core by dedicated bearing by the mark of Shang Weiqi distribution
Heart net, core net are forwarded the packet again to server side.
For example, the Alipay APP in terminal sends uplink message, the corresponding type of service of Alipay is identified as
Whether 00000000020000000001, being inquired in the TFT rules of end side has type of service to be identified as
00000000020000000001, if so, the correspondence based on type of service mark and dedicated bearing, obtains type of service
It is identified as 00000000020000000001 corresponding dedicated bearing, Alipay APP, which is sent uplink message, passes through dedicated bearing
It sends.Alipay APP is sent the Flow Label fields in the ipv6 header of uplink message and is set to type of service mark by terminal
00000000020000000001, and core net is transferred to by dedicated bearing, core net is forwarded the packet again to server side.
The Flow Label fields for the ipv6 header for replying business data flow are set to identical value by server, and PGW will be received
To reply business data flow forwarded by dedicated bearing.For example, server will reply the ipv6 header of business data flow
Flow Label fields are set to type of service mark 00000000020000000001, and are sent to PGW.PGW judges gateway side
Whether there is type of service to identify 00000000020000000001 in TFT rules, if so, then based on type of service mark and specially
There is the correspondence of carrying, obtains type of service and be identified as 00000000020000000001 corresponding dedicated bearing, will reply
Business data flow with 00000000020000000001 corresponding dedicated bearing of mark by being sent to terminal.
Business data flow transmission method in above-described embodiment is used as specially by the Flow Label field values of ipv6 header
The filtering rule for having carrying solves the problems, such as can not to be that the complicated business with more IP address configures dedicated bearing guarantee, can
It realizes and dedicated bearing guarantee is carried out to different business data flow under the same ports IP+, reduce the TFT rules that network side issues
Signaling overheads, business rule configuration are simple, it is only necessary to the Flow being mapped to different business data flows in different ipv6 headers
In Label fields.
Fig. 3 is according to the flow diagram of another embodiment of the business data flow transmission method of the present invention, such as Fig. 3 institutes
Show：
Step 301, PCRF preserves the mapping relations of various businesses data flow and type of service ident value.It orders and protects in user
After hindering service package, while being registered in PCRF and traffic server.
Step 302, default bearing is established after user terminal is reached the standard grade.
Step 303, PGW obtains the business information that user contracts by CCR message to PCRF.
Step 304, PCRF issues the corresponding service bearer rule of user's signing service by CCA message.
PGW receives the service bearer rule that PCRF is issued, including：The service quality QOS of type of service mark, Business Stream
Information, QOS information include：Quality of service classes identifies QCI information
Step 305, PGW establishes gateway side TFT rules according to type of service mark.Industry is set in gateway side TFT rules
Service type identifies the correspondence with dedicated bearing, and type of service mark pass corresponding with existing dedicated bearing can be arranged
System can also establish newly-established dedicated bearing and service class after establishing and meeting the dedicated bearing that PCRF issues QOS information
The correspondence of type mark.
Step 306, PGW sends Create Bearer Request message to MME, and dedicated bearing is established in request, wherein
Create Bearer Request message carries type of service mark and QOS information.
Step 307, MME sends Bearer Setup Request message to eNB, wherein in Bearer Setup
Type of service mark is carried in Request message.ENB sends RRC Connection Reconfiguration to terminal and disappears
Breath, wherein carry type of service mark in the message；
Step 308, terminal is based on type of service mark and establishes end side TFT rules, wherein end side TFT rules configure
There is the correspondence of type of service mark and dedicated bearing.After establishing end side TFT rules, terminal sends RRC to eNB
Connection Reconfiguration message；
Step 309, eNB returns to Bearer Setup Response message to MME, and notice dedicated bearing is established.
Step 310, MME returns to Create Bearer Respone message to PGW, and PGW, notice dedicated bearing is notified to build
It is vertical.
Step 311,312, terminal is filtered upstream data based on end side TFT rules.When judge upstream data with
When type of service mark matches, then type of service mark is added to the FlowLabal in the IPV6 messages packet header of upstream data
In field, and PGW is sent to by dedicated bearing, service server is reached by PGW.
Step 313, server receives the upstream data of PGW forwardings, the FlowLabal fields in extraction IPV6 messages packet header
The type of service of carrying identifies；Server is by type of service mark addition in the IPV6 messages packet header of response data
In FlowLabal fields, and response data is sent to PGW.
Step 314, the downlink data that PGW sends server based on gateway side TFT rules is filtered, when judging IPV6
When the information that the traffic identifier FlowLabal fields in message packet header carry is consistent with type of service mark, then by described proprietary
Carrying is sent；
Step 315, the downlink data that server is sent is sent to terminal by dedicated bearing.
In current special feature guarantee business, the mode of traditional IP address is used, once encountering with many purposes
When the business of IP, mobile network guarantee is difficult to dispose.Business data flow transmission method in above-described embodiment, using in ipv6 header
Flow Label field values come replace IP address as identification dedicated bearing filtering rule, can solve can not be with more
The problem of complicated business configuration dedicated bearing of IP address ensures.
In one embodiment, as shown in figure 4, the present invention provides a kind of business data flow Transmission system, including：Terminal
42, packet data gateway PGW44, MME42, PCRF43, server 45 and the base stations eNB 46.As shown in figure 5, PGW44 includes：It crosses
Filter rule establishes module 441, traffic filtering module 442 and carrying and establishes module 443.
Filtering rule establishes module 441 and establishes gateway side traffic flow template TFT rules, wherein gateway side TFT rules configure
There is the correspondence of type of service mark and dedicated bearing.Traffic filtering module 442 is based on gateway side TFT rules to downlink data
It is filtered, when the information and type of service mark phase for judging that the traffic identifier FlowLabal fields in IPV6 messages packet header carry
When meeting, then IPV6 messages are sent by dedicated bearing.
Filtering rule establishes module 441 and receives the service bearer rule that PCRF43 is issued, and service bearer rule includes：Business
The service quality QOS information of type identification, Business Stream establishes gateway side TFT rules according to type of service mark.Filtering rule is built
Formwork erection block 441 sends CCR message to PCRF, for obtaining business information.PCRF43 establishes module 441 to filtering rule and sends
CCA message, wherein service bearer rule is carried in CCA message.
Carrying establishes module 443 and sends Create Bearer Request message to MME42, and dedicated bearing is established in request,
Wherein, Create Bearer Request message carries type of service mark and QOS information.MME42 is sent to eNB46
Bearer Setup Request message, wherein carry type of service mark in the message.ENB46 sends RRC to terminal 41
Connection Reconfiguration message, wherein carry type of service mark in the message.Terminal 41 is based on business
Type identification establishes end side TFT rules, wherein pair of the end side TFT rules configured with type of service mark and dedicated bearing
It should be related to.After establishing end side TFT rules, terminal 41 sends RRC Connection Reconfiguration to Enb46
Message.ENB46 returns to Bearer Setup Response message to MME42, and notice dedicated bearing is established.MME42 is built to carrying
Formwork erection block returns to Create Bearer Respone message, and the foundation of module dedicated bearing is established in notice carrying.
Terminal 41 is filtered upstream data based on end side TFT rules, when judging upstream data and type of service mark
When sensible matching, then by type of service mark addition in the FlowLabal fields in the IPV6 messages packet header of upstream data, and lead to
It crosses dedicated bearing and is sent to PGW44.Server 45 receives the upstream data of PGW44 forwardings, extracts in IPV6 messages packet header
The type of service mark that FlowLabal fields carry.IPV6 of the server 45 by the addition of type of service mark in response data is reported
In the FlowLabal fields in literary packet header, and response data is sent to PGW44.
Business data flow transmission method in above-described embodiment, uses Flow in ipv6 header
Filtering rule of the Label field values as dedicated bearing, it can not be the complicated business with more IP address to solve
The problem of dedicated bearing ensures is configured, it can be achieved that carrying out dedicated bearing guarantee to different business data flow under the same ports IP+, is subtracted
The signaling overheads for the TFT rules that small network side issues, business rule configuration are simple, it is only necessary to map different business data flows
Into the Flow Label fields in different ipv6 headers, core net is not required to newly-increased network element, it is only necessary to which PCRF is transformed a little, you can
It realizes, is not limited only to current 4G networks, following 5G networks are equally applicable.
The method and system of the present invention may be achieved in many ways.For example, can by software, hardware, firmware or
Software, hardware, firmware any combinations come realize the present invention method and system.The said sequence of the step of for method is only
In order to illustrate, the step of method of the invention, is not limited to sequence described in detail above, especially says unless otherwise
It is bright.In addition, in some embodiments, also the present invention can be embodied as to record program in the recording medium, these programs include
For realizing machine readable instructions according to the method for the present invention.Thus, the present invention also covers storage for executing according to this hair
The recording medium of the program of bright method.
Description of the invention provides for the sake of example and description, and is not exhaustively or will be of the invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
Various embodiments with various modifications of the solution present invention to design suitable for special-purpose.
Claims (18)
1. a kind of business data flow transmission method, which is characterized in that including：
Packet data gateway PGW establishes gateway side traffic flow template TFT rules, wherein the gateway side TFT rules are configured with industry
Service type identifies the correspondence with dedicated bearing；
The PGW is filtered downlink data based on the gateway side TFT rules, when the traffic identifier for judging IPV6 messages packet header
When the information that FlowLabal fields carry is consistent with type of service mark, then the IPV6 messages are passed through described special
There is carrying to send.
2. the method as described in claim 1, which is characterized in that including：
The PGW receives the service bearer rule that Policy and Charging Rules Function PCRF is issued, wherein the business is held
Carrying rule includes：The type of service mark, the service quality QOS information of Business Stream；
The PGW establishes the gateway side TFT rules according to type of service mark.
3. method as claimed in claim 2, which is characterized in that the PGW receives the service bearer rule packet that PCRF is issued
It includes：
The PGW sends CCR message to the PCRF, for obtaining business information；
The PCRF sends CCA message to the PGW, wherein the service bearer rule is carried in the CCA message.
4. method as claimed in claim 3, which is characterized in that further include：
The PGW sends Create Bearer Request message to MME, and the dedicated bearing is established in request, wherein described
Create Bearer Request message carries the type of service mark and the QOS information；
The MME sends Bearer Setup Request message to eNB, wherein the business is carried in the message
Type identification；
The eNB sends RRC Connection Reconfiguration message to the terminal, wherein in the message
Carry the type of service mark；
The terminal is based on type of service mark and establishes end side TFT rules, wherein the end side TFT rules configuration
There is the correspondence of the type of service mark and the dedicated bearing.
5. method as claimed in claim 4, which is characterized in that further include：
After establishing the end side TFT rules, the terminal sends RRC Connection to the eNB
Reconfiguration message；
The eNB returns to Bearer Setup Response message to the MME, and the dedicated bearing is notified to establish；
The MME returns to Create Bearer Respone message to the PGW, notifies the PGW, notifies described proprietary hold
It carries and establishes.
6. method as claimed in claim 4, which is characterized in that further include：
The terminal is filtered upstream data based on the end side TFT rules；
When judging that upstream data matches with type of service mark, then by type of service mark addition on described
In the FlowLabal fields in the IPV6 messages packet header of row data, and the PGW is sent to by the dedicated bearing.
7. method as claimed in claim 6, which is characterized in that including：
Server receives the upstream data of the PGW forwardings, and the FlowLabal fields in extraction IPV6 messages packet header carry
The type of service mark；
FlowLabal field of the server by the addition of type of service mark in the IPV6 messages packet header of response data
In, and the response data is sent to the PGW.
8. method as claimed in claim 2, which is characterized in that further include：
The QOS information includes：Quality of service classes identifies QCI information.
9. a kind of business data flow Transmission system, which is characterized in that including：Packet data gateway PGW；
The PGW, including：
Filtering rule establishes module, for establishing gateway side traffic flow template TFT rules, wherein the gateway side TFT rules are matched
It is equipped with the correspondence of type of service mark and dedicated bearing；
Traffic filtering module is filtered downlink data for being based on the gateway side TFT rules, when judging IPV6 message packets
When the information that traffic identifier FlowLabal fields in head carry is consistent with type of service mark, then the IPV6 is reported
Text is sent by the dedicated bearing.
10. system as claimed in claim 9, which is characterized in that further include：Policy and Charging Rules Function PCRF；
The filtering rule establishes module, is additionally operable to receive the service bearer rule that the PCRF is issued, the service bearer rule
Include then：The type of service mark, the service quality QOS information of Business Stream, according to type of service mark foundation
Gateway side TFT rules.
11. system as claimed in claim 10, which is characterized in that
The filtering rule establishes module, is additionally operable to send CCR message to the PCRF, for obtaining business information；It is described
PCRF establishes module to the filtering rule and sends CCA message, wherein the service bearer rule are carried in the CCA message
Then.
12. system as claimed in claim 11, which is characterized in that further include：MME, eNB and terminal；
The PGW further includes：
Module is established in carrying, and for sending Create Bearer Request message to the MME, request is established described proprietary
Carrying, wherein the Create Bearer Request message carries the type of service mark and the QOS information；
The MME sends Bearer Setup Request message to eNB, wherein the business is carried in the message
Type identification；The eNB sends RRC Connection Reconfiguration message to the terminal, wherein described
The type of service mark is carried in message；The terminal is based on type of service mark and establishes end side TFT rules,
In, correspondence of the end side TFT rules configured with type of service mark and the dedicated bearing.
13. system as claimed in claim 12, which is characterized in that
After establishing end side TFT rules, the terminal sends RRC Connection Reconfiguration to the eNB
Message；The eNB returns to Bearer Setup Response message to the MME, and the dedicated bearing is notified to establish；It is described
MME establishes module to the carrying and returns to Create Bearer Respone message, and notifying the carrying to establish, module is proprietary to hold
It carries and establishes.
14. system as claimed in claim 12, which is characterized in that
The terminal is filtered upstream data based on the end side TFT rules, when judging upstream data and the business
When type identification matches, then by type of service mark addition in the IPV6 messages packet header of the upstream data
In FlowLabal fields, and the PGW is sent to by the dedicated bearing.
15. system as claimed in claim 14, which is characterized in that including：Server；
The server receives the upstream data of the PGW forwardings, the FlowLabal words in extraction IPV6 messages packet header
The type of service mark that section carries；Type of service mark is added the IPV6 messages in response data by the server
In the FlowLabal fields in packet header, and the response data is sent to the PGW.
16. a kind of packet data gateway PGW, which is characterized in that including：
Filtering rule establishes module, for establishing gateway side traffic flow template TFT rules, wherein the gateway side TFT rules are matched
It is equipped with the correspondence of type of service mark and dedicated bearing；
Traffic filtering module is filtered downlink data for being based on the gateway side TFT rules, when judging IPV6 message packets
When the information that traffic identifier FlowLabal fields in head carry is consistent with type of service mark, then the IPV6 is reported
Text is sent by the dedicated bearing.
17. PGW as claimed in claim 16, which is characterized in that
The filtering rule establishes module, is additionally operable to receive the service bearer rule that Policy and Charging Rules Function PCRF is issued
Then, the service bearer rule includes：The type of service mark, the service quality QOS information of Business Stream, according to the business
Type identification establishes the gateway side TFT rules.
18. PGW as claimed in claim 17, which is characterized in that
The filtering rule establishes module, is additionally operable to send CCR message to the PCRF, for obtaining business information；Wherein, institute
It states PCRF and establishes module transmission CCA message to the filtering rule, wherein carry the service bearer in the CCA message
Rule.
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| CN108306843B (en) | 2020-11-24 |
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