CN105516379B - Intelligent accelerating method, system and AFTR equipment under light-duty double stack tunnel environments - Google Patents
Intelligent accelerating method, system and AFTR equipment under light-duty double stack tunnel environments Download PDFInfo
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- CN105516379B CN105516379B CN201410500278.5A CN201410500278A CN105516379B CN 105516379 B CN105516379 B CN 105516379B CN 201410500278 A CN201410500278 A CN 201410500278A CN 105516379 B CN105516379 B CN 105516379B
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Abstract
The invention discloses intelligent accelerating method, system and the AFTR equipment under a kind of light-duty double stack tunnel environments, are related to Next Generation Internet field.Wherein method includes：AFTR equipment detects it and enters address information to IPv4 messages；AFTR equipment carries out IP precedence label according to the address information of IPv4 messages to IPv4 messages, and IP precedence is filled into the tos field of IPv4 messages；IPv4 messages are packaged into IPv6 messages by AFTR equipment, and the tos field of internal layer IPv4 messages is copied to the TC fields of outer layer IPv6 messages, and outer layer IPv6 messages is made to have IP precedence identical with internal layer IPv4 messages；IPv6 messages after encapsulation are forwarded to BRAS by AFTR equipment, so that BRAS carries out rate control according to the TC fields of IPv6 messages, to realize a kind of intelligent speed-increasing plan suitable under IPv6 transition periods light-duty double stack tunnel environments, and the intelligence based on business can be supported to raise speed.
Description
Technical field
The present invention relates to Next Generation Internet field, more particularly under a kind of light-duty double stack (DS-Lite) tunnel environments
Intelligent accelerating method, system and address family translation routing (Address Family Translation Router, AFTR) are set
It is standby.
Background technology
There are two main classes for intelligence speed-raising class technology used at present.One kind is for omnidirectional speed-raising client, and client proposes Shen
It overall bandwidth please be enhanced afterwards, without differentiated service, lack the flexibility individually raised speed based on service traffics.
Another kind of is the intelligent speed-raising technology based on IPv4 networks, and basic principle is：User's signing content supplier
After (Content Provider, CP) or service provider (Service Provider, SP), it will be carried by intelligent speed acceleration platform
Fast information is handed down to long-range BAS Broadband Access Server (Broadband Remote Access Server, BRAS), works as data packet
When being transferred to BRAS, BRAS detects its address IPv4, if meeting CP or SP acceleration requests, for the meeting where this user
Words configure the Bandwidth adjustment that predetermined access rate (Committed Access Rate, CAR) realizes user.This technology is only suitable
For pure IPv4 environment, in IPv6 transitional environments, such as under light-duty double stack tunnel environments, since downlink data is into BRAS
The packet header IPv6 is encapsulated in outer layer before, causes current BRAS equipment that can not detect internal layer message IPv4 source addresses, because
This this technology can not use in IPv6 transitional environments, cause IPv6 transitional technologies covering user that intelligence speed-raising can not be used to take
Business.
Invention content
A technical problem to be solved of the embodiment of the present invention is：Under IPv6 transition periods light-duty double stack tunnel environments
Intelligence speed-raising problem.
One side according to the ... of the embodiment of the present invention proposes the intelligent accelerating method under a kind of light-duty double stack tunnel environments,
Including：Address family translation routing AFTR equipment detects it and enters address information to IPv4 messages；AFTR equipment is according to IPv4 messages
Address information IP precedence label is carried out to IPv4 messages, and IP precedence is filled into the service type of IPv4 messages
Tos field；IPv4 messages are packaged into IPv6 messages by AFTR equipment, and the tos field of internal layer IPv4 messages is copied to outside
The stream type TC fields of layer IPv6 messages, make outer layer IPv6 messages have IP precedence identical with internal layer IPv4 messages；AFTR
IPv6 messages after encapsulation are forwarded to Broadband Remote Access Server BRAS by equipment, so that BRAS is according to the TC words of IPv6 messages
Duan Jinhang rate controls.
In one embodiment, intelligent accelerating method further includes：AFTR equipment is pre-configured with speed-raising template, the speed-raising mould
Plate includes the address information of speed-raising object and its corresponding IPv4 messages；AFTR equipment receives the speed-raising that intelligent speed acceleration platform issues
Strategy, the speed-raising strategy includes speed-raising object and its corresponding rate requirement information.
In one embodiment, AFTR equipment carries out IP precedence mark according to the address information of IPv4 messages to IPv4 messages
Note includes：AFTR equipment finds corresponding speed-raising object according to the address information of IPv4 messages from the speed-raising template；AFTR
Equipment determines the corresponding rate requirement information of speed-raising object according to speed-raising strategy；And AFTR equipment is according to the rate
Demand information carries out IP precedence label to IPv4 messages.
Wherein, speed-raising object is for example including content supplier or service provider.
In one embodiment, the tos field that IP precedence is filled into IPv4 messages by AFTR equipment includes：AFTR equipment
IP precedence is filled into the front three of the tos field of IPv4 messages；AFTR equipment replicates the tos field of internal layer IPv4 messages
TC fields to outer layer IPv6 messages include：The front three of the tos field of internal layer IPv4 messages is copied to outer layer by AFTR equipment
The front three of the TC fields of IPv6 messages.
It is according to the ... of the embodiment of the present invention in another aspect, propose a kind of address family translation routing AFTR equipment, including：Detection is single
Member enters address information to IPv4 messages for detecting it；Marking unit is used for the address information according to IPv4 messages to IPv4
Message carries out IP precedence label；Fills unit, the service type tos field for IP precedence to be filled into IPv4 messages；
Encapsulation unit, for IPv4 messages to be packaged into IPv6 messages；Copied cells, for answering the tos field of internal layer IPv4 messages
The stream type TC fields for making outer layer IPv6 messages make outer layer IPv6 messages have IP identical with internal layer IPv4 messages preferential
Grade；Retransmission unit, for by encapsulation after IPv6 messages be forwarded to Broadband Remote Access Server BRAS, so as to BRAS according to
The TC fields of IPv6 messages carry out rate control.
In one embodiment, AFTR equipment further includes：Template configuration unit, it is described for being pre-configured with speed-raising template
Speed-raising template includes the address information of speed-raising object and its corresponding IPv4 messages；Policy receipt unit is carried for receiving intelligence
The speed-raising strategy that fast platform issues, the speed-raising strategy includes speed-raising object and its corresponding rate requirement information.
In one embodiment, marking unit is specifically used for：According to the address information of IPv4 messages from the template configuration
The speed-raising template of unit configuration finds corresponding speed-raising object；It is determined according to the speed-raising strategy that the Policy receipt unit receives
Raise speed the corresponding rate requirement information of object；And IP precedence mark is carried out to IPv4 messages according to the rate requirement information
Note.
In one embodiment, fills unit, before IP precedence is filled into the tos field of IPv4 messages
Three；Copied cells, specifically for the front three of the tos field of internal layer IPv4 messages to be copied to the TC words of outer layer IPv6 messages
The front three of section.
Another aspect according to the ... of the embodiment of the present invention proposes the intelligent speed-raising system under a kind of light-duty double stack tunnel environments,
Including：Address family translation routing AFTR equipment above-mentioned and Broadband Remote Access Server BRAS；BRAS is for receiving AFTR
IPv6 messages after the encapsulation of device forwards, and rate control is carried out according to the stream type TC fields of IPv6 messages.
In one embodiment, which further includes：Intelligent speed acceleration platform is carried for being issued to AFTR equipment
Fast strategy, the speed-raising strategy includes speed-raising object and its corresponding rate requirement information.
The embodiment of the present invention proposes a kind of intelligent speed-raising side suitable under IPv6 transition periods light-duty double stack tunnel environments
Case and novel AFTR equipment.And it is possible to which the intelligence based on business is supported to raise speed, only accelerate user's signing speed-raising object
The business of the business of (such as content supplier CP or service provider SP), other unsigned speed-raising objects is not raised speed, and is raised speed
Strategy is more flexible, can take into account the general service rate requirement different with particular service.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
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 this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is intelligent acceleration network deployment schematic diagram of the present invention under light-duty double stack tunnel environments.
Fig. 2 is the flow diagram of the intelligent accelerating method one embodiment of the present invention under light-duty double stack tunnel environments.
Fig. 3 is that AFTR equipment of the present invention carries out IP precedence label according to the address information of IPv4 messages to IPv4 messages
Flow is illustrated.
Fig. 4 is the label and reproduction process schematic diagram that AFTR equipment of the present invention carries out IP precedence.
Fig. 5 is the intelligence speed-raising process schematic under the light-duty double stack tunnel environments of centralization of the invention.
Fig. 6 is the schematic diagram of intelligence speed-raising system one embodiment of the invention.
Fig. 7 is the schematic diagram of intelligence speed-raising system further embodiment of the invention.
Fig. 8 is the schematic diagram of AFTR equipment one embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
Fig. 1 is intelligent acceleration network deployment schematic diagram of the present invention under light-duty double stack tunnel environments.As shown in Figure 1,
IPv4 messages or IPv4 flows are transferred to AFTR equipment by core router (CR), AFTR equipment its line card Way in (i.e.
The sides IPv4) increase IP precedence (IPP) mark function, and in its reversed network address translation (NAT) flow (i.e. IPv6 encapsulation stream
Journey) increase field copy function, by IP precedence mark function and field copy function, make outer layer IPv6 messages have with
The identical IP precedence of internal layer IPv4 messages.Also, speed-raising template can be pre-configured in AFTR equipment, speed-raising template includes carrying
The address information of fast object and its corresponding IPv4 messages, such as speed-raising template may include CP/SP and its corresponding IPv4 reports
Literary source address.AFTR equipment can also be from intelligent speed acceleration platform acquisition speed-raising strategy, and speed-raising is tactful including speed-raising object and its right
The rate requirement information answered, such as an example of the strategy that raises speed can be " flow of youku.com exclusively enjoys 8M bandwidth ".IPv4 messages
IPv6 messages are exported through the processing of AFTR equipment and after encapsulating, IPv6 messages reach BRAS, and BRAS is according to outer layer IPv6 message accountings
IP precedence carry out rate control, the IPv6 messages after rate control are preferably up to user through customer edge router (CPE)
Host, the final intelligence speed-raising realized under IPv6 transition periods light-duty double stack tunnel environments.
Fig. 2 is the flow diagram of the intelligent accelerating method one embodiment of the present invention under light-duty double stack tunnel environments.
As shown in Fig. 2, the intelligent accelerating method of the present embodiment for example includes the following steps：
Step S202, AFTR equipment detects it and enters address information to IPv4 messages, can usually detect and utilize IPv4
The source IP address of message carries out intelligent speed-raising.
Step S204, AFTR equipment carries out IP precedence label according to the address information of IPv4 messages to IPv4 messages, and
And IP precedence is filled into ToS (service type) field of IPv4 messages.
IPv4 messages are packaged into IPv6 messages by step S206, AFTR equipment, and by the tos field of internal layer IPv4 messages
TC (stream type) field for copying to outer layer IPv6 messages makes outer layer IPv6 messages have IP identical with internal layer IPv4 messages excellent
First grade.
IPv6 messages after encapsulation are forwarded to BRAS by step S208, AFTR equipment, so that BRAS is according to IPv6 messages
TC fields carry out rate control.
The intelligent speed-increasing plan that above-described embodiment proposes is suitable for IPv6 transition periods light-duty double stack tunnel environments.
The present invention also proposes a kind of IP precedence tagging scheme realized based on speed-raising template and speed-raising strategy.Carrying out IP
Before priority label, it is also necessary to be pre-configured with speed-raising template in AFTR equipment, speed-raising template includes speed-raising object and its correspondence
IPv4 messages address information.Also, AFTR equipment receives the speed-raising strategy that intelligent speed acceleration platform issues, and speed-raising strategy includes
Raise speed object and its corresponding rate requirement information.Based on above-mentioned speed-raising template and speed-raising strategy, in step S204, reference chart
3, AFTR equipment specifically may be used following methods according to the address information of IPv4 messages and carry out IP precedence mark to IPv4 messages
Note：
Step S302, AFTR equipment finds corresponding speed-raising pair according to the address information of IPv4 messages from speed-raising template
As.Wherein, speed-raising object is for example including content supplier or service provider.
Step S304, AFTR equipment determines the corresponding rate requirement information of speed-raising object according to speed-raising strategy.
Step S306, AFTR equipment carries out IP precedence label according to rate requirement information to IPv4 messages.
In order to be compatible with existing agreement or specification, in step S204, IP precedence can be filled by AFTR equipment
The front three of the tos field of IPv4 messages, in step S206, AFTR equipment can be by the tos field of internal layer IPv4 messages
Front three copies to the front three of the TC fields of outer layer IPv6 messages.The label of IP precedence and reproduction process can be with reference charts 4
It is shown.
The application example that an AFTR equipment carries out IPv4 messages IP precedence label is set forth below.AFTR equipment detects
Enter the addresses source IP v4 to IPv4 flows, if it find that the speed-raising object belonging to the addresses source IP v4 is defined in speed-raising strategy,
For example be the discovery that the address of youku.com's server, then corresponding IPP values are marked, for example it is excellent that youku.com is exclusively enjoyed 8M definitions of bandwidth by we
First grade " 3 ", is exactly " 011 " with the IPP values of binary representation, then AFTR equipment will it is all from youku.com's server source
The front three of the IPv4 header tos fields of location is written as " 011 ", and then IPv4 messages are packaged into IPv6 reports by AFTR equipment
Text, and the tos field of internal layer IPv4 messages is copied to the TC fields of outer layer IPv6 messages, the front three of TC fields is
" 011 ", to make outer layer IPv6 messages that there is IP precedence identical with internal layer IPv4 messages.
Above-mentioned intelligence speed-increasing plan, is applicable not only to IPv6 transition periods light-duty double stack tunnel environments and can support base
It raises speed in the intelligence of business, the business of user's signing speed-raising object, the business of other unsigned speed-raising objects is only accelerated not to give
Speed-raising, speed-raising strategy is more flexible, can take into account the general service rate requirement different with particular service.
Illustrate the intelligent speed-increasing plan of the present invention by taking the light-duty double stack Metropolitan Area Network (MAN)s of centralization as an example below.With reference to figure 5, concentrate
Intelligent speed-raising process under the light-duty double stack tunnel environments of formula is as follows：
Step S502, user access the signing platform of CP/SP (such as youku.com YouKu), apply for the downlink traffic to the CP/SP
It raises speed.
Step S504, signing platform will be on the addresses User IP v4 and port numbers (referring to the publicly-owned addresses IPv4 after NAT)
Send intelligent speed acceleration platform.
Step S506, intelligent speed acceleration platform is interacted with log server (Syslog), according to the addresses User IP v4 and port
Number inquiry User ID, User ID be used for identify one have subscribed accelerate service specific user.
Step S508, centralized AFTR equipment receive the speed-raising information from intelligent speed acceleration platform, notify AFTR equipment pair
Some specific user ID calls the speed-raising template being pre-configured and the speed-raising strategy used.It is being concentrated from the flow for formulating CP/SP
The entrance direction (Ingress) of formula AFTR equipment uplink (Uplink) board is labeled with corresponding IPP values according to strategy, in AFTR
The IPP values are copied to the TC fields of outer layer IPv6 messages, then, AFTR equipment reports IPv6 during the reversed NAT of equipment
Text is transmitted to BRAS.
Step S510, BRAS receive the IPv6 messages of AFTR device forwards, and in the outlet of downlink (Downlink) line card
(Egress) direction carries out predetermined access rate (CAR) operation based on TC fields, dynamically promotes the downlink traffic band of the CP/SP
It is wide.
A kind of another aspect according to the ... of the embodiment of the present invention, it is also proposed that the intelligence speed-raising system under light-duty double stack tunnel environments
System.With reference to figure 6, the intelligent speed-raising system 600 of the present embodiment includes：AFTR equipment 602 and BRAS604.
AFTR equipment 602 enters address information to IPv4 messages for detecting it；According to the address information pair of IPv4 messages
IPv4 messages carry out IP precedence label, and IP precedence is filled into the service type tos field of IPv4 messages；By IPv4
Message is packaged into IPv6 messages, and the tos field of internal layer IPv4 messages is copied to the stream type TC words of outer layer IPv6 messages
Section makes outer layer IPv6 messages have IP precedence identical with internal layer IPv4 messages；IPv6 messages after encapsulation are forwarded to
BRAS604。
BRAS604, the IPv6 messages after encapsulation for receiving AFTR device forwards, and according to the stream type of IPv6 messages
TC fields carry out rate control.
With reference to figure 7, intelligent speed-raising system 600 can also include：Intelligent speed acceleration platform 706, for being issued to AFTR equipment
Speed-raising strategy, speed-raising strategy include speed-raising object and its corresponding rate requirement information.
AFTR equipment 602 is pre-configured with speed-raising template, and speed-raising template includes speed-raising object and its corresponding IPv4 messages
Address information.
Based on speed-raising template and speed-raising strategy, it is excellent to IPv4 messages progress IP that following methods may be used in AFTR equipment 602
First grade label：That is, AFTR equipment finds corresponding speed-raising object according to the address information of IPv4 messages from the speed-raising template；
AFTR equipment determines the corresponding rate requirement information of speed-raising object according to speed-raising strategy；And AFTR equipment is according to
Rate requirement information carries out IP precedence label to IPv4 messages.
Another further aspect according to the ... of the embodiment of the present invention, it is also proposed that a kind of AFTR equipment, with reference to figure 8, the AFTR of the present embodiment
Equipment 602 includes：
Detection unit 802 enters address information to IPv4 messages for detecting it；
Marking unit 804, for carrying out IP precedence label to IPv4 messages according to the address information of IPv4 messages；
Fills unit 806, the service type tos field for IP precedence to be filled into IPv4 messages；
Encapsulation unit 808, for IPv4 messages to be packaged into IPv6 messages；
Copied cells 810, the stream type TC words for the tos field of internal layer IPv4 messages to be copied to outer layer IPv6 messages
Section makes outer layer IPv6 messages have IP precedence identical with internal layer IPv4 messages；
Retransmission unit 812, for the IPv6 messages after encapsulation to be forwarded to Broadband Remote Access Server BRAS, so as to
BRAS carries out rate control according to the TC fields of IPv6 messages.
In one embodiment, AFTR equipment further includes：
Template configuration unit, for being pre-configured with speed-raising template, speed-raising template includes speed-raising object and its corresponding IPv4
The address information of message；
Policy receipt unit, the speed-raising strategy issued for receiving intelligent speed acceleration platform, speed-raising strategy include speed-raising object
And its corresponding rate requirement information.
Marking unit 804, is specifically used for：The speed-raising mould configured from template configuration unit according to the address information of IPv4 messages
Plate finds corresponding speed-raising object；The corresponding rate need of speed-raising object are determined according to the speed-raising strategy that Policy receipt unit receives
Seek information；And IP precedence label is carried out to IPv4 messages according to rate requirement information.
Fills unit 806, the front three of the tos field specifically for IP precedence to be filled into IPv4 messages；It replicates single
Member 810, specifically for the front three of the tos field of internal layer IPv4 messages is copied to outer layer IPv6 messages TC fields first three
Position.
It is light that the intelligent speed-increasing plan and novel AFTR equipment that the embodiment of the present invention proposes are suitable for IPv6 transition periods
The double stack tunnel environments of type.And it is possible to which the intelligence based on business is supported to raise speed, only accelerate user's signing speed-raising object (such as content
Provider CP or service provider SP) business, it is other it is unsigned speed-raising objects business do not raised speed, speed-raising strategy more
Flexibly, the general service rate requirement different with particular service can be taken into account.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (12)
1. the intelligent accelerating method under a kind of light-duty double stack tunnel environments, including：
Address family translation routing AFTR equipment detects it and enters address information to IPv4 messages；
AFTR equipment carries out IPv4 messages according to the rate requirement information of the corresponding speed-raising object of address information of IPv4 messages
IP precedence marks, and IP precedence is filled into the service type tos field of IPv4 messages；
IPv4 messages are packaged into IPv6 messages by AFTR equipment, and the tos field of internal layer IPv4 messages is copied to outer layer
The stream type TC fields of IPv6 messages make outer layer IPv6 messages have IP precedence identical with internal layer IPv4 messages；
IPv6 messages after encapsulation are forwarded to Broadband Remote Access Server BRAS by AFTR equipment, so that BRAS is reported according to IPv6
The TC fields of text carry out rate control.
2. according to the method described in claim 1, it is characterized in that, the method further includes：
AFTR equipment is pre-configured with speed-raising template, and the speed-raising template includes the address of speed-raising object and its corresponding IPv4 messages
Information；
AFTR equipment receives the speed-raising strategy that intelligent speed acceleration platform issues, and the speed-raising is tactful including speed-raising object and its corresponding
Rate requirement information.
3. according to the method described in claim 2, it is characterized in that, the AFTR equipment is according to the address informations pair of IPv4 messages
IPv4 messages carry out IP precedence label：
AFTR equipment finds corresponding speed-raising object according to the address information of IPv4 messages from the speed-raising template；
AFTR equipment determines the corresponding rate requirement information of speed-raising object according to speed-raising strategy；And
AFTR equipment carries out IP precedence label according to the rate requirement information to IPv4 messages.
4. according to the method in claim 2 or 3, which is characterized in that speed-raising object includes that content supplier or service provide
Quotient.
5. according to the method described in claim 1, it is characterized in that,
The tos field that IP precedence is filled into IPv4 messages by the AFTR equipment includes：AFTR equipment fills IP precedence
To the front three of the tos field of IPv4 messages；
The TC fields that the tos field of internal layer IPv4 messages is copied to outer layer IPv6 messages by the AFTR equipment include：AFTR is set
The front three of the standby tos field by internal layer IPv4 messages copies to the front three of the TC fields of outer layer IPv6 messages.
6. a kind of address family translation routing AFTR equipment, including：
Detection unit enters address information to IPv4 messages for detecting it；
Marking unit, the rate requirement information for the corresponding speed-raising object of the address information according to IPv4 messages is to IPv4 messages
Carry out IP precedence label；
Fills unit, the service type tos field for IP precedence to be filled into IPv4 messages；
Encapsulation unit, for IPv4 messages to be packaged into IPv6 messages；
Copied cells, the stream type TC fields for the tos field of internal layer IPv4 messages to be copied to outer layer IPv6 messages make outer
Layer IPv6 messages have IP precedence identical with internal layer IPv4 messages；
Retransmission unit, for by encapsulation after IPv6 messages be forwarded to Broadband Remote Access Server BRAS, so as to BRAS according to
The TC fields of IPv6 messages carry out rate control.
7. AFTR equipment according to claim 6, which is characterized in that the AFTR equipment further includes：
Template configuration unit, for being pre-configured with speed-raising template, the speed-raising template includes speed-raising object and its corresponding IPv4
The address information of message；
Policy receipt unit, the speed-raising strategy issued for receiving intelligent speed acceleration platform, the speed-raising strategy include speed-raising object
And its corresponding rate requirement information.
8. AFTR equipment according to claim 7, which is characterized in that the marking unit is specifically used for：
The speed-raising template configured from the template configuration unit according to the address information of IPv4 messages finds corresponding speed-raising pair
As；
The corresponding rate requirement information of speed-raising object is determined according to the speed-raising strategy that the Policy receipt unit receives；And
IP precedence label is carried out to IPv4 messages according to the rate requirement information.
9. AFTR equipment according to claim 7 or 8, which is characterized in that speed-raising object includes content supplier or service
Provider.
10. AFTR equipment according to claim 6, which is characterized in that
The fills unit, the front three of the tos field specifically for IP precedence to be filled into IPv4 messages；
The copied cells, specifically for the front three of the tos field of internal layer IPv4 messages is copied to outer layer IPv6 messages
The front three of TC fields.
11. the intelligent speed-raising system under a kind of light-duty double stack tunnel environments, including：Claim 6-10 any one of them address
Race's translation routing AFTR equipment and Broadband Remote Access Server BRAS；After BRAS is used to receive the encapsulation of AFTR device forwards
IPv6 messages, and according to the stream type TC fields of IPv6 messages carry out rate control.
12. system according to claim 11, which is characterized in that the system also includes：Intelligent speed acceleration platform, for
AFTR equipment issues speed-raising strategy, and the speed-raising strategy includes speed-raising object and its corresponding rate requirement information.
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