CN106209667A - The processing method of business chain, Apparatus and system - Google Patents
The processing method of business chain, Apparatus and system Download PDFInfo
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- CN106209667A CN106209667A CN201510230416.7A CN201510230416A CN106209667A CN 106209667 A CN106209667 A CN 106209667A CN 201510230416 A CN201510230416 A CN 201510230416A CN 106209667 A CN106209667 A CN 106209667A
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Abstract
The invention provides the processing method of a kind of business chain, Apparatus and system, wherein, the method includes: descending classification feature entity TCFd entity receives the downlink data packet of the business that grader forwards, and wherein, downlink data packet carries the business chain mark that grader is service marker；TCFd entity obtains five-tuple and the corresponding relation of business chain mark of downlink data packet；When TCFd entity receives the follow-up downlink data packet of business, TCFd entity is follow-up downlink data packet tagged traffic chain mark according to corresponding relation.By the present invention, solving TCFd in correlation technique can only improve the motility of TCFd entity for the problem carrying out business detection classification of the business data flow of five-tuple of can deriving, and decreases load and the signaling consumption of PCRF.
Description
Technical field
The present invention relates to the communications field, in particular to processing method, the device of a kind of business chain and be
System.
Background technology
Fig. 1 be third generation partner program in correlation technique (3rd Generation Partnership Project,
Referred to as 3GPP) (Policy and Charging Control is called for short for the strategy that defines and charging control architecture figure
For PCC), as it is shown in figure 1, "Policy and Charging Rules Function (Policy and Charging Rules Function,
Referred to as PCRF) be business use Internet resources carry out service quality (Quality of Service, referred to as
And the formulation of charging policy QoS).PCRF formulates described control strategy to be needed to combine the business letter received from AF
Breath, the use received from user-subscribed database (Subscription Profile Repository, referred to as SPR)
Family CAMEL-Subscription-Information, the strategy etc. of operator's configuration.The control strategy formulated for business is handed down to strategy by PCRF
With charge execution function (Policy and Charging Enforcement Function, referred to as PCEF) or
(Bearer Binding and Event Report Function is referred to as bearing binding and reporting events function
BBERF) perform.PCRF can subscribe to bearing bed dependent event to PCEF and/or BBERF simultaneously, with
Timely perception during the box lunch bearing bed described event of generation, and change control strategy.Additionally, PCEF and business
The PCC that detection function (Traffic Detection Function, referred to as TDF) can issue according to PCRF
Regular (PCEF) or applying detection and control (Application Detection and Control, referred to as ADC)
Rule (TDF) performs applying detection and controls function.Wireless access network congestion aware function (RAN
Congestion Awareness Function, referred to as RCAF) it is responsible for collecting the user face congestion information of RAN
After report PCRF and congested alleviate strategy for formulating.
At present, operator deployment Information Mobile Service value-added network improves user quality and experiences QoE, reduces Netowrk tape
Wide pressure, and value-added service is provided.Industry proposes the dynamic industry of a kind of LAN SGi-LAN such as Fig. 2
The scheme of business chain, to be adapted to the quick service arrangement variation of elasticity, reduces Capital expenditure (CAPital simultaneously
EXpenditure, referred to as CAPX), Fig. 2 is the configuration diagram of the support dynamic service chain of correlation technique.
There are following 2 functions in PCRF: as business chain trade-off decision entity, PCRF:
Receive configuration management system issuing service chain to describe, and user property/access style corresponding to business chain/
The information such as type of service/business chain weight, thus obtain the static policies that business chain is corresponding；
From SPR, obtain the CAMEL-Subscription-Information of user, obtain user's dynamic access information from GGSN/PGW, knot
Close and state the static policies that the business chain of acquisition is corresponding, formulate business routing policy (Traffic Steering Policy,
Be called for short TSP) access process in notify to business classification feature (Traffic Classifier Function, be called for short
TCF).TSP rule generally includes the business chain mark of business datum stream description and correspondence.And business datum
Stream description can be application identities or business datum flow filter；
TCF (can be integrated in gateway, on TDF, it is also possible to individually dispose) has following function: according to
The TSP rule that PCRF issues, after detecting business datum, is marked at business by correspondence business chain
On the packet of data stream.The packet of this business data flow just can be routed to corresponding business dynamically
Node, also referred to as enabler (Enabler).
But, for the framework of Fig. 2, for downlink service data stream, the necessary first TCF of business data flow,
(S) Gi-LAN it is routed to again after the classification of TCF.This processing mode, the route adding data is circuitous
Return, and TCF may be referred to as the bottleneck of Business Processing.In order to solve the problems referred to above, correlation technique proposes
The framework of Fig. 3, Fig. 3 is the configuration diagram of the support dynamic service chain comprising TCFd of correlation technique,
As it is shown on figure 3, for the descending school bag of a business data flow, when the most corresponding strategy of TCFd, industry
Business data will not pass through dynamic service flow.The TSP rule detection issued according to PCRF as TCF is to business number
During according to stream, if business data flow can derive stable five-tuple, then TCF is by five-tuple and correspondence
Business chain mark is sent to PCRF, PCRF as business routing iinformation (Traffic Steering Information)
Send that information to TCFd further.Hereafter, TCFd is arrived when the new downlink data of business data flow
After, the business routing iinformation detection business chain that also labelling is corresponding that TCFd just can provide according to PCRF before this
Mark, without being then forwarded to TCF.But in such scheme, TCFd can only be for five-tuple of can deriving
Business data flow carry out business detection classification, the certain limitation existed.Additionally, due to TCF needs
Five-tuple information and business chain are identified and are sent to TCFd by PCRF to be passed through, add the load of PCRF with
And signaling consumption.
Business detection can only be carried out for the business data flow of five-tuple of can deriving for TCFd in correlation technique
The problem of classification, the most not yet proposes effective solution.
Summary of the invention
Present invention is primarily targeted at and the processing method of a kind of business chain, Apparatus and system are provided, at least to solve
Certainly in correlation technique, TCFd can only detect classification for the business that carries out of the business data flow of five-tuple of can deriving
Problem.
According to an aspect of the invention, it is provided the processing method of a kind of business chain, including: descending classification merit
Energy entity TCFd entity receives the downlink data packet of the business that grader forwards, wherein, described downlink data packet
Carry the business chain mark that described grader is described service marker；Described TCFd entity obtains described descending
The five-tuple of packet and the corresponding relation of described business chain mark；Described industry is received at described TCFd entity
During the follow-up downlink data packet being engaged in, described TCFd entity is described follow-up downlink data according to described corresponding relation
Business chain mark described in packet making.
Further, the lower line number of the business that grader forwards is received at descending classification feature entity TCFd entity
According to bag before, described method also includes: described TCFd receive described downlink data packet and judge less than with
During the described corresponding relation that described downlink data packet is mated, described downlink data packet is sent to institute by described TCFd
State grader.
Further, described TCFd entity receives the described downlink data of the described business that described grader forwards
Bag includes: described TCFd entity receives the described downlink data packet that described grader forwards after IP encapsulates,
Wherein the destination address of external IP bag is the address of described TCFd；Or, described TCFd entity receives foundation
The described business chain mark of described grader labelling is at the described downlink data of the upper route of LAN (S) Gi-LAN
Bag.
Further, described grader includes one below: strategy and charge execution function PCEF entity,
Business detection function TDF entity, business classification feature TCF entity, wherein, described PCEF entity and institute
State TDF and be physically integrated with described TCF.
Further, when described TCFd entity receives the described follow-up downlink data packet of described business, institute
Stating TCFd entity according to described corresponding relation is after business chain described in described follow-up downlink data packet making identifies,
Described method also includes: in Preset Time, and it is right that described TCFd entity does not matches according to described corresponding relation
During the downlink data packet answered, described TCFd entity deletes described corresponding relation.
According to another aspect of the present invention, it is provided that the processing means of a kind of business chain, it is positioned at downlink business and divides
Class function TCFd entity side, including: receiver module, for receiving the downlink data of the business that grader forwards
Bag, wherein, described downlink data packet carries the business chain mark that described grader is described service marker；
Acquisition module, obtains five-tuple and the corresponding relation of described business chain mark of described downlink data packet；Labelling
Module, is used for when described TCFd entity receives the follow-up downlink data packet of described business, described TCFd
Entity is business chain mark described in described follow-up downlink data packet making according to described corresponding relation.
Further, the lower line number of the business that grader forwards is received at descending classification feature entity TCFd entity
Before bag, described device also includes: sending module, for receiving described downlink data at described TCFd
When wrapping and judge the described corresponding relation not mated with described downlink data packet, described downlink data packet is sent out
Give described grader.
Further, described receiver module includes: first receives unit, is used for receiving described grader and passes through
The described downlink data packet forwarded after IP encapsulation, wherein the destination address of external IP bag is the ground of described TCFd
Location；Or, second receives unit, receives and identifies according to the described business chain of described grader labelling
(S) the described downlink data packet of the upper route of Gi-LAN.
Further, described grader includes one below: strategy and charge execution function PCEF entity,
Business detection function TDF entity, business classification feature TCF entity, wherein, described PCEF entity and institute
State TDF and be physically integrated with described TCF.
Further, when described TCFd entity receives the described follow-up downlink data packet of described business, institute
Stating TCFd entity according to described corresponding relation is after business chain described in described follow-up downlink data packet making identifies,
Described device also includes: removing module, and in Preset Time, described TCFd entity is according to described correspondence
When relation does not matches the downlink data packet of correspondence, described TCFd entity deletes described corresponding relation.
According to a further aspect of the invention, it is provided that the processing system of a kind of business chain, including: be positioned at descending
The processing means of the business chain of business classification feature TCFd entity side and grader；Wherein, described device includes:
Receiver module, for receiving the downlink data packet of the business that described grader forwards, wherein, described lower line number
The business chain mark that described grader is described service marker is carried according to bag；Acquisition module, obtain described under
The five-tuple of row packet and the corresponding relation of described business chain mark；Mark module, at described TCFd
When entity receives the follow-up downlink data packet of described business, described TCFd entity according to described corresponding relation is
Business chain mark described in described follow-up downlink data packet making.
Further, described device also includes: sending module, described descending for receiving at described TCFd
During the described corresponding relation that packet judgement are mated with described downlink data packet, by described downlink data
Bag is sent to described grader.
Further, described grader includes one below: strategy and charge execution function PCEF entity,
Business detection function TDF entity, business classification feature TCF entity, wherein, described PCEF entity and institute
State TDF and be physically integrated with described TCF.
Further, when described TCFd entity receives the described follow-up downlink data packet of described business, institute
Stating TCFd entity according to described corresponding relation is after business chain described in described follow-up downlink data packet making identifies,
Described device also includes: removing module, and in Preset Time, described TCFd entity is according to described correspondence
When relation does not matches the downlink data packet of correspondence, described TCFd entity deletes described corresponding relation.
By the present invention, descending classification feature entity TCFd entity is used to receive under the business that grader forwards
Row packet, wherein, downlink data packet carries the business chain mark that grader is service marker；And then should
TCFd entity obtains five-tuple and the corresponding relation of business chain mark of downlink data packet；Connect at TCFd entity
When receiving the follow-up downlink data packet of business, TCFd entity is follow-up downlink data packet making according to corresponding relation
The mode of business chain mark, solving TCFd in correlation technique can only be for the business datum of five-tuple of can deriving
The problem carrying out business detection classification of stream, improves the motility of TCFd entity, and decreases PCRF
Load and signaling consumption.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application,
The schematic description and description of the present invention is used for explaining the present invention, is not intended that the improper limit to the present invention
Fixed.In the accompanying drawings:
Fig. 1 is strategy and the charging control architecture figure of third generation partner program definition in correlation technique；
Fig. 2 is the configuration diagram of the support dynamic service chain of correlation technique；
Fig. 3 is the configuration diagram of the support dynamic service chain comprising TCFd of correlation technique；
Fig. 4 is the flow chart of the processing method of business chain according to embodiments of the present invention；
Fig. 5 is the structured flowchart of the processing means of business chain according to embodiments of the present invention；
Fig. 6 is the optional structured flowchart one of the processing means according to business chain of the present invention；
Fig. 7 is the structured flowchart of the processing system of business chain according to embodiments of the present invention；
Fig. 8 is the configuration diagram of the support dynamic service chain of alternative embodiment of the present invention；
Fig. 9 is the flow chart one of the labelling downlink data dynamic service chain mark according to alternative embodiment of the present invention；
Figure 10 is the flow chart of the labelling downlink data dynamic service chain mark of alternative embodiment of the present invention；
Figure 11 is the flow chart according to alternative embodiment labelling downlink data dynamic service chain of the present invention mark.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment
Can be mutually combined.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Present embodiments providing the processing method of a kind of business chain, Fig. 4 is business according to embodiments of the present invention
The flow chart of the processing method of chain, as shown in Figure 4, the step of the method includes:
Step S102: descending classification feature entity TCFd entity receives the lower line number of the business that grader forwards
According to bag, wherein, downlink data packet carries the business chain mark that grader is service marker；
Step S104:TCFd entity obtains five-tuple and the corresponding relation of business chain mark of downlink data packet；
Step S106: when TCFd entity receives the follow-up downlink data packet of business, TCFd entity foundation
Corresponding relation is follow-up downlink data packet tagged traffic chain mark.
By above-mentioned steps S102 to step S106, use descending classification feature entity TCFd entity to receive and divide
The downlink data packet of the business that class device forwards, wherein, downlink data packet carries the industry that grader is service marker
Business chain mark；And then this TCFd entity obtains five-tuple and the corresponding relation of business chain mark of downlink data packet；
When TCFd entity receives the follow-up downlink data packet of business, TCFd entity is follow-up according to corresponding relation
The mode of downlink data packet tagged traffic chain mark, solving in correlation technique TCFd can only be for deriving five
The problem carrying out business detection classification of the business data flow of tuple, improves the motility of TCFd entity, with
And decrease load and the signaling consumption of PCRF.
It should be noted that the five-tuple for relating in the present embodiment is commonly used to indicate IP address, source
Mouthful, purpose IP address, destination interface and transport layer protocol.
In an optional embodiment of the present embodiment, receive at descending classification feature entity TCFd entity and divide
Before the downlink data packet of the business that class device forwards, the method for the present embodiment also includes:
When TCFd receives downlink data packet and judges the corresponding relation not mated with downlink data packet,
Downlink data packet is sent to grader by TCFd.
And the business that the TCFd entity reception grader for relating in above-mentioned steps S102 forwards is descending
The mode of packet may is that TCFd entity receives the downlink data packet that grader forwards after IP encapsulates,
Wherein the destination address of external IP bag is the address of TCFd；Or, TCFd entity receives according to grader mark
The business chain mark of note is in the downlink data packet of the upper route of (S) Gi-LAN..
It should be noted that the grader related in the present embodiment may is that strategy and charge execution function
PCEF entity, business detection function TDF entity, business classification feature TCF entity, wherein, PCEF is real
Body and TDF are physically integrated with TCF.
When this grader is PCEF entity, for above-mentioned steps S102 to step S106, illustrate
Bright, specifically may include steps of:
Step S21:UE and communication opposite end carry out Signalling exchange when initiating Operational Visit, PCEF entity according to
Business data flow is detected by PCC rule, and wherein, according to signaling, PCEF entity detects that signaling is corresponding
Application；
Step S22: business data flow downlink data packet arrives PCEF.Here line number under business data flow
It is typically the user data that step S21 signaling is corresponding according to bag；
Step S24:PCEF is tactful to the business data flow corresponding business chain of downlink data packet making according to TSP
Mark.
Downlink data packet is transmitted to TCFd by step S25:PCEF.
Wherein it is possible in the following way packet is transmitted to TCFd:a) PCEF can be by business chain mark
Know after the packet after labelling carries out IP encapsulation and be sent to TCFd, i.e. the destination address of outer enclosure is TCFd
Address, source address is the address of PCEF.
Step S26:TCFd preserves five-tuple and the packet mark of the downlink service data bag that PCEF forwards
The business chain mark of note.
The downlink service data bag received at PCEF is sent to (S) Gi-LAN by step S27:TCFd.
Hereafter, downlink data packet will be route corresponding service server according to business chain mark.
Step S28: the new downlink data packet of business data flow reaches TCFd.
The five-tuple that step S29:TCFd preserves according to step 511 is to after data packet matched, by packet mark
Remember that corresponding business chain identifies.
Packet after step S30:TCFd labelling is sent on (S) Gi-LAN.
It should be noted that be business detection function TDF entity, business classification feature TCF for grader
During entity, step S102 to step S106 mode is similar with the mode of above-mentioned steps S21 to step S30.
And in another alternative embodiment of the present embodiment, receive the follow-up descending of business at TCFd entity
During packet, after TCFd entity is follow-up downlink data packet tagged traffic chain mark according to corresponding relation, this
The method of embodiment also includes: in Preset Time, and TCFd entity does not matches correspondence according to corresponding relation
During downlink data packet, TCFd entity deletes corresponding relation.
Additionally providing the processing means of a kind of business chain in the present embodiment, this device is used for realizing above-described embodiment
And optional embodiment, carried out repeating no more of explanation.As used below, term " module "
" unit " can realize the software of predetermined function and/or the combination of hardware.Although described by following example
Device preferably realizes with software, but hardware, or the realization of the combination of software and hardware is also also possible
It is contemplated.
Fig. 5 is the structured flowchart of the processing means of business chain according to embodiments of the present invention, and this device is positioned at descending
Business classification feature TCFd entity side, this device includes: receiver module 52, for receiving what grader forwarded
The downlink data packet of business, wherein, downlink data packet carries the business chain mark that grader is service marker；
Acquisition module 54, is of coupled connections with receiver module 52, obtains five-tuple and the business chain mark of downlink data packet
Corresponding relation；Mark module 56, is of coupled connections with acquisition module 54, for receiving at TCFd entity
During the follow-up downlink data packet of business, TCFd entity is follow-up downlink data packet tagged traffic according to corresponding relation
Chain identifies.
Alternatively, the downlink data of the business that grader forwards is received at descending classification feature entity TCFd entity
Before bag, device also includes: sending module, for TCFd receive downlink data packet and judge less than with
During the corresponding relation that downlink data packet is mated, downlink data packet is sent to grader..
Alternatively, receiver module includes: first receives unit, is used for receiving grader and turns after IP encapsulates
The downlink data packet sent out, wherein the destination address of external IP bag is the address of TCFd；Or, second receives
Unit, receives the downlink data packet in the upper route of (S) Gi-LAN of the business chain mark according to grader labelling.
It should be noted that this grader may is that strategy and charge execution function PCEF entity, business inspection
Brake TDF entity, business classification feature TCF entity, wherein, PCEF entity and TDF physically collect
Become to have TCF.
Fig. 6 is the optional structured flowchart one of the processing means according to business chain of the present invention, as shown in Figure 6,
When TCFd entity receives the follow-up downlink data packet of business, TCFd entity according to corresponding relation be follow-up under
After row packet marking business chain mark, this device also includes: removing module 62, with mark module 56 coupling
Closing and connect, in Preset Time, TCFd entity does not matches the downlink data of correspondence according to corresponding relation
Bao Shi, deletes corresponding relation.
Fig. 7 is the structured flowchart of the processing system of business chain according to embodiments of the present invention, as it is shown in fig. 7, should
System includes: be positioned at processing means 72 and the classification of the business chain of downlink business classification feature TCFd entity side
Device 74；
Wherein, device includes: receiver module 52, for receiving the downlink data packet of the business that grader forwards,
Wherein, downlink data packet carries the business chain mark that grader is service marker；Acquisition module 54, and connects
Receive module 52 to be of coupled connections, obtain five-tuple and the corresponding relation of business chain mark of downlink data packet；Labelling
Module 56, is of coupled connections with acquisition module 54, for receiving the follow-up lower line number of business at TCFd entity
During according to bag, TCFd entity is follow-up downlink data packet tagged traffic chain mark according to corresponding relation.
Alternatively, device also includes: sending module, for receiving downlink data packet at TCFd and judging not
When having the corresponding relation mated with downlink data packet, downlink data packet is sent to grader.
Alternatively, grader includes one below: strategy and charge execution function PCEF entity, business detect
Function TDF entity, business classification feature TCF entity, wherein, PCEF entity and TDF are the most integrated
There is TCF.
Alternatively, when TCFd entity receives the follow-up downlink data packet of business, TCFd entity is according to right
Should be related to that after identifying for follow-up downlink data packet tagged traffic chain, device also includes: removing module, be used for
In Preset Time, when TCFd entity does not matches the downlink data packet of correspondence according to corresponding relation, TCFd is real
Body deletes corresponding relation.
Alternative embodiment below in conjunction with the embodiment of the present invention is illustrated；
This alternative embodiment provides the processing method of a kind of business chain, by business classification feature by tagged traffic
The downlink data packet of chain mark is transmitted to downlink business classification feature, and downlink business classification feature preserves downlink data
Bag five-tuple and dynamic service chain mark.Downlink business classification feature is according to downlink data packet five-tuple and dynamic industry
Business chain mark carries out business chain labelling to new downlink data packet, solves in prior art and cannot effectively support down
The dynamic service chain identification of row data and labelling problem, Fig. 8 is the support dynamic service of alternative embodiment of the present invention
The configuration diagram of chain, below in conjunction with Fig. 8, and to be integrated in respectively in PCEF, TDF by TCF, also
Can be described in detail as a example by independently disposing.
Alternative embodiment 1
When the TCF that the present embodiment describes is positioned on PCEF, Fig. 9 is the mark according to alternative embodiment of the present invention
The flow chart one of note downlink data dynamic service chain mark, as it is shown in figure 9, flow process is described as follows:
Step S901: user equipment (UE) is attached to network, initiates attachment flow, or UE initiates other
PDN connection building process.PCEF place gateway receives above-mentioned request message；
After step S902:PCEF receives attachment request or the request of PDN connection establishment, initiate to PCRF
IP-CAN session establishment is asked, and provides the information such as ID, PDN mark, IP address to PCRF；
Step S903: if undefined user signing contract information, then PCRF is from user-subscribed database
(Subscription Profile Repository, referred to as SPR) obtains user signing contract information, such as user
Grade, distribute to the bandwidth of user, the business allowing user to access, the information such as business chain.PCRF carries out plan
Slightly decision-making, formulates PCC rule.The PCC rule wherein formulated is carried TSP strategy.
Step S904:PCEF installs the PCC rule issued
Step S905:PCEF place gateway returns attachment request to UE or sets up answering of PDN connection request
Answer message.
Step S906:UE and communication opposite end carry out Signalling exchange and initiate Operational Visit, and PCEF advises according to PCC
Then business data flow is detected.According to signaling, PCEF detects that signaling is to corresponding application；
Step S907: business data flow downlink data packet arrives PCEF.Here line number under business data flow
It is typically step S906 signaling to corresponding user data according to bag；
Step S908:PCEF is tactful to the business data flow corresponding business of downlink data packet making according to TSP
Chain identifies.
Downlink data packet is transmitted to TCFd by step S909:PCEF.Can be in the following way by packet
It is transmitted to TCFd:
A) packet after business chain can be identified labelling by PCEF is sent to TCFd after carrying out IP encapsulation,
The i.e. destination address of outer enclosure is the address of TCFd, and source address is the address of PCEF.
B) TCFd is as a service node on (S) Gi-LAN, and the business chain mark of PCEF labelling is permissible
Guarantee that this packet can be routed to TCFd.
C) TCFd can be as PCEF in the direct down hop of (S) Gi-LAN.
Step S910:TCFd preserves five-tuple and the packet mark of the downlink service data bag that PCEF forwards
The business chain mark of note.
The downlink service data bag received at PCEF is sent to (S) Gi-LAN by step S911:TCFd.
Hereafter, downlink data packet will be route corresponding service server according to business chain mark.
Step S912: the new downlink data packet of business data flow reaches TCFd.
The five-tuple that step S913:TCFd preserves according to step S1011 is to after data packet matched, by packet
The corresponding business chain of labelling identifies.
Packet after step S914:TCFd labelling is sent on (S) Gi-LAN.
Alternative embodiment 2
When the TCF that the present embodiment describes is positioned on TDF, Figure 10 is under the labelling of alternative embodiment of the present invention
The flow chart of row data dynamic service chain mark, as shown in Figure 10, flow process is described as follows:
Step S1001: user equipment (UE) is attached to network, initiates attachment flow, or UE initiates additionally
PDN connection building process.PCEF place gateway receives above-mentioned request message；
After step S1002:PCEF receives attachment request or the request of PDN connection establishment, initiate to PCRF
IP-CAN session establishment is asked, and provides the information such as ID, PDN mark, IP address to PCRF；
Step S1003: if undefined user signing contract information, then PCRF obtains user's signing from SPR
Information, such as user gradation, distributes to the bandwidth of user, the business allowing user to access, the information such as business chain.
PCRF carries out strategic decision-making, and PCRF sends TDF session establishment request message to TDF, carries in message
ADC rule, carries TSP strategy in ADC rule；
Step S1004:TDF installs and executes the ADC rule issued；
Step S1005:TDF returns to PCRF and confirms message；
Step S1006:PCRF returns IP-CAN session establishment to PCEF and successfully responds, and wherein carries
PCC rule.
Step S1007:PCEF place gateway returns attachment request to UE or sets up answering of PDN connection request
Answer message.
Step S1008:UE and communication opposite end carry out Signalling exchange and initiate Operational Visit, and TDF is according to ADC
Business data flow is detected by rule.According to signaling, PCEF detects that signaling is to corresponding application；
Step S1009: business data flow downlink data packet arrives TDF.Here line number under business data flow
It is typically step S1008 signaling to corresponding user data according to bag；
Step S1010:TDF is tactful to the business data flow corresponding business of downlink data packet making according to TSP
Chain identifies.
Downlink data packet is transmitted to TCFd by step S1011:TDF.Can be in the following way by packet
It is transmitted to TCFd:
A) packet after business chain can be identified labelling by TDF is sent to TCFd, i.e. after carrying out IP encapsulation
The destination address of outer enclosure is the address of TCFd, and source address is the address of TDF.
B) TCFd is as a service node on (S) Gi-LAN, and the business chain mark of TDF labelling can be true
Protect this packet and can be routed to TCFd.
C) TCFd can be as TDF in the direct down hop of (S) Gi-LAN.
Step S1012:TCFd preserves five-tuple and the packet mark of the downlink service data bag that TDF forwards
The business chain mark of note.
The downlink service data bag received at TDF is sent to (S) Gi-LAN by step S1013:TCFd.
Hereafter, downlink data packet will be route corresponding service server according to business chain mark.
Step S1014: the new downlink data packet of business data flow reaches TCFd.
The five-tuple that step S1015:TCFd preserves according to step S1112 is to after data packet matched, by data
The corresponding business chain of packet making identifies.
Packet after step S1016:TCFd labelling is sent on (S) Gi-LAN.
Alternative embodiment three
When the independence that the present embodiment describes disposes TCF, Figure 11 is descending according to alternative embodiment labelling of the present invention
The flow chart of data dynamic service chain mark, as shown in figure 11, flow process is described as follows:
Step S1101: user equipment (UE) is attached to network, initiates attachment flow, or UE initiates additionally
PDN connection building process.PCEF place gateway receives above-mentioned request message；
After step S1102:PCEF receives attachment request or the request of PDN connection establishment, initiate to PCRF
IP-CAN session establishment is asked, and provides the information such as ID, PDN mark, IP address to PCRF；
Step S1103: if undefined user signing contract information, then PCRF obtains user's signing from SPR
Information, such as user gradation, distributes to the bandwidth of user, the business allowing user to access, the information such as business chain.
PCRF carries out strategic decision-making, and PCRF sends TCF session establishment request message to TCF, carries in message
TSP rule；
Step S1104:TCF installs and executes the TSP rule issued；
Step S1105:TCF returns to PCRF and confirms message；
Step S1106:PCRF returns IP-CAN session establishment to PCEF and successfully responds, and wherein carries
PCC rule.
Step S1107:PCEF place gateway returns attachment request to UE or sets up answering of PDN connection request
Answer message.
Step S1108:UE and communication opposite end carry out Signalling exchange and initiate Operational Visit, and TCF advises according to TSP
Then business data flow is detected.According to signaling, PCEF detects that signaling is to corresponding application；
Step S1109: business data flow downlink data packet arrives TSP.Here line number under business data flow
It is typically step S1108 signaling to corresponding user data according to bag；
Step S1110:TCF is tactful to the business data flow corresponding business chain of downlink data packet making according to TSP
Mark.
Downlink data packet is transmitted to TCFd by step S1111:TCF.Can be in the following way by packet
It is transmitted to TCFd:
A) packet after business chain can be identified labelling by TCF is sent to TCFd, i.e. after carrying out IP encapsulation
The destination address of outer enclosure is the address of TCFd, and source address is the address of TCF.
B) TCFd is as a service node on (S) Gi-LAN, and the business chain mark of TCF labelling can be true
Protect this packet and can be routed to TCFd.
C) TCFd can be as PCEF in the direct down hop of (S) Gi-LAN.
Step S1112:TCFd preserves five-tuple and the packet mark of the downlink service data bag that TCF forwards
The business chain mark of note.
The downlink service data bag received at TCF is sent to (S) Gi-LAN by step S1113:TCFd.
Hereafter, downlink data packet will be route corresponding service server according to business chain mark.
Step S1114: the new downlink data packet of business data flow reaches TCFd.
The five-tuple that step S1115:TCFd preserves according to step 712 is to after data packet matched, by packet
The corresponding business chain of labelling identifies.
Packet after step S1116:TCFd labelling is sent on (S) Gi-LAN.
In above-mentioned alternative embodiment, TCFd have received the labeled lower Mobile state that PCEF/TDF/TCF forwards
After the packet of business chain mark, save five-tuple and the corresponding relation of business chain mark.TCFd needs to protect
Deposit this corresponding relation, until TCFd is not matched to time of downlink data packet of correspondence and exceedes operator and join
After the set time put, TCFd is by this corresponding relation of fixing deletion.
In another embodiment, additionally provide a kind of software, this software be used for performing above-described embodiment and
Technical scheme described in preferred implementation.
In another embodiment, additionally providing a kind of storage medium, in this storage medium, storage has above-mentioned
Software, this storage medium includes but not limited to: CD, floppy disk, hard disk, scratch pad memory etc..
Obviously, those skilled in the art should be understood that each module of the invention described above or each step can be with logical
Calculating device realize, they can concentrate on single calculating device, or is distributed in multiple calculating
On the network that device is formed, alternatively, they can realize with calculating the executable program code of device,
Perform it is thus possible to be stored in storing in device by calculating device, and in some cases, can
With be different from order herein perform shown or described by step, or they are fabricated to respectively each collection
Become circuit module, or the multiple modules in them or step are fabricated to single integrated circuit module realize.
So, the present invention is not restricted to the combination of any specific hardware and software.
Above are only the alternative embodiment of the present invention, be not limited to the present invention, for this area
For technical staff, the present invention can have various modifications and variations.All within the spirit and principles in the present invention,
Any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (14)
1. the processing method of a business chain, it is characterised in that including:
Descending classification feature entity TCFd entity receives the downlink data packet of the business that grader forwards, its
In, described downlink data packet carries the business chain mark that described grader is described service marker；
Described TCFd entity obtains five-tuple and the correspondence of described business chain mark of described downlink data packet
Relation；
When described TCFd entity receives the follow-up downlink data packet of described business, described TCFd entity
It is business chain mark described in described follow-up downlink data packet making according to described corresponding relation.
Method the most according to claim 1, it is characterised in that at descending classification feature entity TCFd entity
Before receiving the downlink data packet of the business that grader forwards, described method also includes:
Receive described downlink data packet at described TCFd and judge not mate with described downlink data packet
Described corresponding relation time, described downlink data packet is sent to described grader by described TCFd.
Method the most according to claim 1, it is characterised in that described TCFd entity receives described grader
The described downlink data packet of the described business forwarded includes:
Described TCFd entity receives the described downlink data packet that described grader forwards after IP encapsulates,
Wherein the destination address of external IP bag is the address of described TCFd；Or,
Described TCFd entity receives and identifies at LAN according to the described business chain of described grader labelling
The described downlink data packet of the upper route of SGi-LAN.
Method the most according to claim 3, it is characterised in that described grader includes one below: strategy
With charge execution function PCEF entity, business detection function TDF entity, business classification feature TCF in fact
Body, wherein, described PCEF entity and described TDF are physically integrated with described TCF.
Method the most according to claim 1, it is characterised in that receive described industry at described TCFd entity
During the described follow-up downlink data packet being engaged in, described TCFd entity is described follow-up according to described corresponding relation
After business chain mark described in downlink data packet making, described method also includes:
In Preset Time, described TCFd entity does not matches the descending of correspondence according to described corresponding relation
During packet, described TCFd entity deletes described corresponding relation.
6. a processing means for business chain, is positioned at downlink business classification feature TCFd entity side, it is characterised in that
Including:
Receiver module, for receiving the downlink data packet of the business that grader forwards, wherein, described descending
Packet carries the business chain mark that described grader is described service marker；
Acquisition module, obtains five-tuple and the corresponding relation of described business chain mark of described downlink data packet；
Mark module, is used for when described TCFd entity receives the follow-up downlink data packet of described business,
Described TCFd entity is business chain mark described in described follow-up downlink data packet making according to described corresponding relation
Know.
Device the most according to claim 6, it is characterised in that at descending classification feature entity TCFd entity
Before receiving the downlink data packet of the business that grader forwards, described device also includes:
Sending module, for receiving described downlink data packet at described TCFd and judging not with described
During the described corresponding relation that downlink data packet is mated, described downlink data packet is sent to described grader.
Device the most according to claim 6, it is characterised in that described receiver module includes:
First receives unit, for receiving the described lower line number that described grader forwards after IP encapsulates
According to bag, wherein the destination address of external IP bag is the address of described TCFd；Or,
Second receives unit, receives and identifies at (S) Gi-LAN according to the described business chain of described grader labelling
The described downlink data packet of upper route.
Device the most according to claim 8, it is characterised in that described grader includes one below: strategy
With charge execution function PCEF entity, business detection function TDF entity, business classification feature TCF in fact
Body, wherein, described PCEF entity and described TDF are physically integrated with described TCF.
Device the most according to claim 6, it is characterised in that receive described industry at described TCFd entity
During the described follow-up downlink data packet being engaged in, described TCFd entity is described follow-up according to described corresponding relation
After business chain mark described in downlink data packet making, described device also includes:
Removing module, in Preset Time, described TCFd entity is according to described corresponding relation not
When being fitted on the downlink data packet of correspondence, described TCFd entity deletes described corresponding relation.
The processing system of 11. 1 kinds of business chain, it is characterised in that including: be positioned at downlink business classification feature TCFd
The processing means of the business chain of entity side and grader；
Wherein, described device includes:
Receiver module, for receiving the downlink data packet of the business that described grader forwards, wherein, described
Downlink data packet carries the business chain mark that described grader is described service marker；
Acquisition module, obtains five-tuple and the corresponding relation of described business chain mark of described downlink data packet；
Mark module, is used for when described TCFd entity receives the follow-up downlink data packet of described business,
Described TCFd entity is business chain mark described in described follow-up downlink data packet making according to described corresponding relation
Know.
12. systems according to claim 11, it is characterised in that described device also includes:
Sending module, for receiving described downlink data packet at described TCFd and judging not with described
During the described corresponding relation that downlink data packet is mated, described downlink data packet is sent to described grader.
13. systems according to claim 12, it is characterised in that described grader includes one below: plan
Slightly with charge execution function PCEF entity, business detection function TDF entity, business classification feature TCF
Entity, wherein, described PCEF entity and described TDF are physically integrated with described TCF.
14. systems according to claim 11, it is characterised in that receive described industry at described TCFd entity
During the described follow-up downlink data packet being engaged in, described TCFd entity is described follow-up according to described corresponding relation
After business chain mark described in downlink data packet making, described device also includes:
Removing module, in Preset Time, described TCFd entity is according to described corresponding relation not
When being fitted on the downlink data packet of correspondence, described TCFd entity deletes described corresponding relation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510230416.7A CN106209667A (en) | 2015-05-07 | 2015-05-07 | The processing method of business chain, Apparatus and system |
| PCT/CN2016/076910 WO2016177157A1 (en) | 2015-05-07 | 2016-03-21 | Traffic chain processing method, apparatus, and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510230416.7A CN106209667A (en) | 2015-05-07 | 2015-05-07 | The processing method of business chain, Apparatus and system |
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| Publication Number | Publication Date |
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| CN106209667A true CN106209667A (en) | 2016-12-07 |
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| CN201510230416.7A Withdrawn CN106209667A (en) | 2015-05-07 | 2015-05-07 | The processing method of business chain, Apparatus and system |
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| WO (1) | WO2016177157A1 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140334295A1 (en) * | 2013-05-10 | 2014-11-13 | Cisco Technology, Inc. | Symmetric Service Chain Binding |
| CN104283891A (en) * | 2014-10-27 | 2015-01-14 | 杭州华三通信技术有限公司 | Method and device for access of service function node to service link network |
-
2015
- 2015-05-07 CN CN201510230416.7A patent/CN106209667A/en not_active Withdrawn
-
2016
- 2016-03-21 WO PCT/CN2016/076910 patent/WO2016177157A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140334295A1 (en) * | 2013-05-10 | 2014-11-13 | Cisco Technology, Inc. | Symmetric Service Chain Binding |
| CN104283891A (en) * | 2014-10-27 | 2015-01-14 | 杭州华三通信技术有限公司 | Method and device for access of service function node to service link network |
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| Title |
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| CHINA MOBILE 等: "《SA WG2 Meeting #108 S2-150816》", 17 April 2015 * |
| 薛淼 等: "基于SDN/NFV的Service Chaining关键技术研究", 《邮电设计技术》 * |
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| Publication number | Publication date |
|---|---|
| WO2016177157A1 (en) | 2016-11-10 |
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