CN108234344A - The method and apparatus for identifying business data flow - Google Patents
The method and apparatus for identifying business data flow Download PDFInfo
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- CN108234344A CN108234344A CN201611160464.4A CN201611160464A CN108234344A CN 108234344 A CN108234344 A CN 108234344A CN 201611160464 A CN201611160464 A CN 201611160464A CN 108234344 A CN108234344 A CN 108234344A
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- data flow
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- business data
- traffic identifier
- purpose service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
- H04L47/2483—Traffic characterised by specific attributes, e.g. priority or QoS involving identification of individual flows
Abstract
An embodiment of the present invention provides a kind of method and apparatus for identifying business data flow, this method includes：Determine general-purpose service data traffic identifier, the general-purpose service data traffic identifier includes the business data flow characteristic item of one or more description business data flows；The business data flow that business data flow characteristic item in general-purpose service data traffic identifier treats judgement is identified.The general-purpose service data traffic identifier dependent on specific agreement can not be used, to identify and distinguish between business data flow, pass through the clustering processing to many general business datum traffic identifier, mark and the processing of the business data flow across agreement are realized, suitable for the mark to a plurality of types of business data flows such as IP, Non IP (non-IP), Ethernet frame (ethernet frame format).
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of method and apparatus for identifying business data flow.
Background technology
Current mobile communications network EPS (Evolved Packet System, the grouping system of evolution) framework is (with non-unrestrained
For trip scene) as shown in Figure 1.
It will be seen from figure 1 that UE accesses network by E-UTRAN (the universal terrestrial Radio Access Network of evolution type), and
It is carried out respectively with control plane network element MME and user plane network element Serving Gateway/PDN Gateway by E-UTRAN straight
Connect/indirectly interaction.It is worth noting that, the user plane message of UE is successively via E-UTRAN, Serving Gateway and PDN
Gateway is forwarded the support for handling and finally realizing UE PDN connections business between external PDN networks.
The concept of packet data network (PDN) connection business, PDN connections business refer to EPS networks defined in EPS system
The IP provided between UE and the external PDN of a PLMN (public land mobile network) is connect, and PDN connection business can support one
The transmission of a or multiple business data flows (SDF).
When the S5/S8 interfaces between gateway (SGW) and PDN GW are based on GPRS Tunnel Protocol (GTP), EPS networks
Middle PDN connection business carries (bearer) by EPS and provides.An aggregate of one EPS carrying unique marks SDF, corresponding phase
With the set of multiple SDF of carrying rank QoS (service quality), each SDF corresponds to transmission stream template (TFT, Traffic Flow
Template a packet filtering in), that is to say, that each EPS S5/S8 bearing associations UE uplink TFT and
The downlink TFT of PDN-GW；S1 carryings are also similar.
From fig. 2 it can be seen that there are radio bearer (radio between UE (user equipment) and eNB (base station)
Bearer), there are S1bearer between eNB and Serving GW (SGW), and there are S5/ between SGW and PDN GW (PGW)
S8bearer；All it is 1 between these bearer:1 mapping.For same UE, system can be more for its foundation simultaneously
A bearer.
Existing method is IP based network design, needs to carry out business data flow according to the five-tuple information of IP packet
Identification and processing.In 5G networks, need to support that different agreements, the prior art such as IP, Non-IP, EtherNet frame will not
It is applicable in again.Further, when subsequently needing the new protocol type carried, network will have to control plane and forwarding surface all into
For the larger change of row to support the protocol type, related service also will need the long period that can reach the standard grade.
On the other hand, it is also required to identify in base station and UE sides and supports a variety of different agreements.In view of base station and UE
Vast number expands such as using existing scheme and its simply version, and whole realization cost is very big.
Therefore, there is an urgent need for a kind of unrelated business datum stream recognition methods of agreement, solve the business datum carried in a network
When stream type is not limited only to IP, the problem of can not continuing to use based on the mode of transmission stream template come differentiated service data flow.
Invention content
In view of above-mentioned technical problem, the embodiment of the present invention provides a kind of method and apparatus of business data flow identification, solves
When the business datum stream type carried in a network is not limited only to IP, it can not continue to use and industry is distinguished based on the mode of transmission stream template
The problem of data flow of being engaged in.
The first aspect of embodiment according to the present invention provides a kind of method for identifying business data flow, including：
Determine general-purpose service data traffic identifier, the general-purpose service data traffic identifier includes one or more description business numbers
According to the business data flow characteristic item of stream；
The business datum that business data flow characteristic item in the general-purpose service data traffic identifier treats judgement flows into
Row identification.
Optionally, the business data flow characteristic item in the general-purpose service data traffic identifier is to business data flow
It is identified, including：
Each business data flow characteristic item in general-purpose service data traffic identifier and business data flow to be judged are carried out
Logical operation；
If logic operation result is first predetermined value, the general-purpose service data traffic identifier industry to be judged with this is judged
Business data stream matches success, business corresponding with the general-purpose service data traffic identifier is identified as by the business data flow to be judged
Data flow.
Optionally, the business data flow characteristic item in the general-purpose service data traffic identifier is to business data flow
It is identified, including：
By patrolling for each business data flow characteristic item that general-purpose service data traffic identifier includes and business data flow to be judged
It collects operation result and substitutes into the logical operation rule progress logical operation that general-purpose service data traffic identifier includes；
If logic operation result is second predetermined value, general-purpose service data traffic identifier and business datum to be judged are judged
Successful match is flowed, which is identified as business data flow corresponding with the general-purpose service data traffic identifier
Logical operation rule.
Optionally, the business data flow characteristic item includes following one or more：Characteristic item mark needs compatible portion
Offset Offset, need compatible portion length Length, matching mask Mask and expectation matching result Value.
Optionally, judge that a business data flow characteristic item and the condition of business data flow successful match to be judged are：
The result of following operation is first predetermined value：
(Packet [Offset~(Offset+Length- predetermined values)] ＆Mask)==Value or (Packet
[Offset~(Offset+Length- predetermined values)] ＆Mask)>>(bit digits on the right side of Mask, being continuously zero)==
Value；
Packet represents business data flow；
Offset represents to need the offset of compatible portion；
Length represents to need the length of compatible portion；
Mask represents matching mask；
Value represents the matching result expected；
＆ represents step-by-step AND operator；
>>Represent shift operation symbol.
Optionally, the general-purpose service data traffic identifier includes：First field and the second field, wherein first field
Representing the quantity of the characteristic item of the business data flow, second field represents the characteristic information for describing business data flow,
The characteristic information includes one or more business data flow characteristic items or the characteristic information includes：One or more industry
The logical operation rule of business data flow characteristics item and each business data flow characteristic item matching result.
Optionally, the structure of the general-purpose service data traffic identifier further includes：Third field and the 4th field, wherein, the
Three fields represent the title or mark of business data flow, and the 4th field represents the description information of business data flow.
Optionally, the general-purpose service data traffic identifier is obtained from policing feature；And/or
The general-purpose service data traffic identifier is obtained from being locally configured in data；And/or
The general-purpose service data traffic identifier is to be sent by UE in session establishment or other moment send or UE itself
The one or more groups of general-purpose service data traffic identifier used.
Optionally, the general-purpose service data traffic identifier is handed down to user plane functions by control plane function；And/or
The general-purpose service data traffic identifier is the business data flow sent by user plane functions according to control plane function
What type identification obtained.
The second aspect of embodiment according to the present invention additionally provides a kind of device for identifying business data flow, including：
Determining module, for determining general-purpose service data traffic identifier, the general-purpose service data traffic identifier include one or
The business data flow characteristic item of multiple description business data flows；
Identification module treats judgement for the business data flow characteristic item in the general-purpose service data traffic identifier
Business data flow is identified.
Optionally, the identification module is further used for：By each business data flow in general-purpose service data traffic identifier
Characteristic item carries out logical operation with business data flow to be judged；If logic operation result is first predetermined value, judgement should
The general-purpose service data traffic identifier business data flow successful match to be judged with this, which is identified as
Business data flow corresponding with the general-purpose service data traffic identifier.
Optionally, the identification module is further used for：Each business data flow that general-purpose service data traffic identifier is included
The logic operation result of characteristic item and business data flow to be judged substitutes into the logical operation that general-purpose service data traffic identifier includes
Rule carries out logical operation；If logic operation result is second predetermined value, judge that general-purpose service data traffic identifier judges with waiting
Business data flow successful match, which is identified as corresponding with the general-purpose service data traffic identifier
Business data flow.
Optionally, the business data flow characteristic item includes following one or more：Characteristic item mark needs compatible portion
Offset Offset, need compatible portion length Length, matching mask Mask and expectation matching result Value.
Optionally, judge that a business data flow characteristic item and the condition of business data flow successful match to be judged are：
The result of following operation is first predetermined value：
(Packet [Offset~(Offset+Length- predetermined values)] ＆Mask)>>(it is on the right side of Mask, be continuously zero
Bit digits)==Value or (Packet [Offset~(Offset+Length- predetermined values)] ＆Mask)>>(Mask
It is right side, continuous be zero bit digits)==Value；
Packet represents business data flow；
Offset represents to need the offset of compatible portion；
Length represents to need the length of compatible portion；
Mask represents matching mask；
Value represents the matching result expected；
＆ represents step-by-step AND operator；
>>Represent shift operation symbol.
Optionally, the general-purpose service data traffic identifier includes：First field and the second field, wherein first field
Representing the quantity of the characteristic item of the business data flow, second field represents the characteristic information for describing business data flow,
The characteristic information includes one or more business data flow characteristic items or the characteristic information includes：One or more industry
The logical operation rule of business data flow characteristics item and each business data flow characteristic item matching result.
Optionally, the structure of the general-purpose service data traffic identifier further includes：Third field and the 4th field, wherein, the
Three fields represent the title or mark of business data flow, and the 4th field represents the description information of business data flow.
Optionally, the general-purpose service data traffic identifier is obtained from policing feature；And/or
The general-purpose service data traffic identifier is obtained from being locally configured in data；And/or
The general-purpose service data traffic identifier is to be sent by UE in session establishment or other moment send or UE itself is adopted
One or more groups of general-purpose service data traffic identifier.
Optionally, the general-purpose service data traffic identifier is handed down to user plane functions by control plane function；And/or
The general-purpose service data traffic identifier is the business data flow sent by user plane functions according to control plane function
What type identification obtained.
A technical solution in above-mentioned technical proposal has the following advantages that or advantageous effect：It can not use dependent on tool
The general-purpose service data traffic identifier of body agreement, to identify and distinguish between business data flow, by failing to be sold at auction to many general business datum
The clustering processing of knowledge realizes mark and the processing of business data flow across agreement, suitable for IP, Non-IP (non-IP),
The mark of a plurality of types of business data flows such as Ethernet frame (ethernet frame format).It is and general in the present embodiment
Business datum traffic identifier can realize flexibly new business type quickly adaptation and deployment by the configuration of network operator, based on this reality
The general-purpose service data traffic identifier in example is applied, it can be achieved that the flexible QoS to business data flow is controlled.
Description of the drawings
Fig. 1 is existing EPS network architecture schematic diagrams；
Fig. 2 is existing two unicast EPS bearers (GTP-based S5/S8) schematic diagram；
Fig. 3 is the flow chart of the identification business data flow in the embodiment of the present invention one；
The schematic diagram for the network architecture that Fig. 4 is applicable in by the embodiment of the present invention two；
Fig. 5 is the flow chart that general-purpose service data traffic identifier is obtained in the embodiment of the present invention two；
Fig. 6 is the flow chart that general-purpose service data traffic identifier is issued in the embodiment of the present invention three；
Fig. 7 is the device block diagram that business data flow is identified in the embodiment of the present invention four.
Specific embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.
One skilled in the art will appreciate that embodiments of the present invention can be implemented as a kind of system, device, equipment, method
Or computer program product.Therefore, the embodiment of the present invention can be with specific implementation is as follows：It is complete hardware, complete
The form that software (including firmware, resident software, microcode etc.) or hardware and software combine.
In mobile communication system, user equipment (UE, User Equipment) passes through the PDN connections in advance for its foundation
(Packet Data Network connection) obtains data service.In each PDN connections, multiple cores net can be included
Carrying.Each core net bearer corresponds the carrying (bearer) with a wireless side.Pass through same bearer
The data message of transmission will obtain identical QoS and ensure.
The mapping relations of customer flow and bearer in EPC system are realized by transmission stream template (TFT), that is,
The IP five-tuples of traffic are matched, and then different datagrams is carried by corresponding each bearer according to matching result
Text.
3GPP about in the research of the 5G network architectures, specify mobile network need support IP, Non-IP and
The data message of Ethernet Frame types.However the type of message carried in a network will be unable to edge when being not limited only to IP
With based on the mode of TFT come differentiated service data flow.
Embodiment one
Referring to Fig. 3, a kind of method for identifying business data flow is shown in figure, which is characterized in that including：
Step 301 determines general-purpose service data traffic identifier, and the general-purpose service data traffic identifier is retouched including one or more
State the business data flow characteristic item of business data flow；
Above-mentioned general-purpose service data traffic identifier can use General Flow Identification (GFI) to represent；
Above-mentioned business data flow characteristic item can be represented with Flow Characteristic Item.
In the present embodiment, general-purpose service data traffic identifier (GFI) can include：First field and the second field, wherein
First field represents the quantity (Count) of business data flow characteristic item, and second field represents business data flow feature, description
The characteristic information of business data flow, the characteristic information include one or more business data flow characteristic items or the feature
Information includes：The logical operation rule of one or more business data flow characteristic items and each business data flow characteristic item matching result
Then.
Further, the structure of the general-purpose service data traffic identifier can also include：Third field and the 4th field,
In, third field represents the title or mark of business data flow, and the 4th field represents the description information of business data flow.
Optionally, the basic structure of the general-purpose service data traffic identifier (GFI) of the present embodiment can be：
Table 1
| Flow Identification | Flow Description | Count | Flow Characteristic |
Wherein each field meanings are as follows：
Flow Identification (business datum traffic identifier)：It represents the name and/or ID of business data flow, belongs to
In option；
Flow Description (business datum stream description)：It represents the description information of business data flow, belongs to option；
Count (quantity)：Represent the quantity for the business data flow feature；
Flow Characteristic (business data flow feature)：Represent the feature letter for describing the business data flow
Breath, including one or more business data flow characteristic items (Flow Characteristic Item (s)) and Logical
Rule (logical operation rule).
Wherein, Logical Rule are option, and each Flow Characteristic Item matchings are contained for one
As a result logical operation is regular (or referred to as logical operation relationship).
In the presence of Logical Rule, represent to need to judge GFI according to the logic operation result of logical operation rule
Whether matching succeeds；
In the absence of Logical Rule, represent that the logic operation result of each Flow Characteristic Item is equal
During for ture, GFI successful match can determine that.
Wherein, Flow Characteristic Item：Represent a characteristic information for describing business data flow, knot
Structure can be：
Table 2
| Flow Characteristic Item Identification | Offset | Length | Mask | Value |
Wherein each Son field implication indexes are as follows：
Flow Characteristic Item Identification (business data flow characteristic item mark)：
The name and/or ID of Characteristic Item, the i.e. mark of characteristic item；
Offset：The offset of compatible portion is needed, such as is calculated since message first character section or other fixed positions；
Length：The length of compatible portion is needed, with byte or other unit counts；
Mask：Mask is matched, for accurately choosing part to be matched (with bit granularities) when being matched；
Value：The matching result of expectation.
Step 302, the business data flow characteristic item in general-purpose service data traffic identifier treat the business datum of judgement
Stream is identified.
In the present embodiment, logical operation is carried out using general-purpose service data traffic identifier and business data flow to be judged,
So as to identify business data flow corresponding with the general-purpose service data traffic identifier according to logic operation result.
Mode one, by each business data flow characteristic item in general-purpose service data traffic identifier and business datum to be judged
Stream carries out logical operation, if logic operation result is first predetermined value (such as first predetermined value is set as ture), judgement
The general-purpose service data traffic identifier business data flow successful match to be judged with this identifies the business data flow to be judged
For business data flow corresponding with the general-purpose service data traffic identifier.
Aforesaid way one does not include Logical suitable for Flow Characteristic (business data flow feature)
Rule (logical operation rule).
Mode two, each business data flow characteristic item that general-purpose service data traffic identifier is included and business datum to be judged
The logic operation result of stream substitutes into the logical operation rule Logical Rule that general-purpose service data traffic identifier includes and carries out logic
Operation if logic operation result is second predetermined value (such as second predetermined value is set as ture), judges general-purpose service data
Traffic identifier and business data flow successful match to be judged, which is identified as and the general service number
According to the corresponding business data flow of traffic identifier.
Aforesaid way two includes Logical Rule suitable for Flow Characteristic (business data flow feature)
(logical operation rule).
For example, one business data flow characteristic item (Flow Characteristic Item) of judgement and certain business data flow
(packet) condition of successful match is：The logic operation result (or referred to as matching result) of following operation is first predetermined value
(such as first predetermined value is set as ture)：
(Packet [Offset~(Offset+Length-1)] ＆Mask)==Value or
(Packet [Offset~(Offset+Length-1)] ＆Mask)>>(bit on the right side of Mask, being continuously zero
Digit)==Value
Wherein, Packet represents business data flow；
Offset represents to need the offset of compatible portion；
Length represents to need the length of compatible portion；
Mask represents matching mask；
Value represents the matching result expected；
＆ represents that step-by-step AND operator, such as a＆b represent the step-by-step and operation of a and b,>>Represent shift operation symbol, such as a>
>I represents a shift operations of i to the right.
In another example one general-purpose service data traffic identifier (GFI) of judgement and certain business data flow (packet) successful match
Condition be：
If the Flow Characteristic of general-purpose service data traffic identifier include Logical Rule (logical operations
Rule), the logic operation result of each Flow Characteristic Item included in GFI and certain business data flow is substituted into
Logical Rule carry out logical operation, if logic operation result is ture, judgement GFI and certain business data flow successful match,
Otherwise judgement GFI is matched unsuccessful with certain business data flow.
If the Flow Characteristic of general-purpose service data traffic identifier do not include Logical Rule, (logic is transported
Calculate rule), the logic operation result of each Flow Characteristic Item and certain business data flow are ture, judgement
GFI and certain business data flow successful match, otherwise, it is determined that GFI matched with certain business data flow it is unsuccessful.
It should be noted that general-purpose service data traffic identifier (GFI) can obtain in the following way：
General-purpose service data traffic identifier is obtained from policing feature；And/or
General-purpose service data traffic identifier is obtained from being locally configured in data；And/or
General-purpose service data traffic identifier be sent by UE at session establishment or other moment or UE itself is used one group or
Multigroup general-purpose service data traffic identifier.
Such as general-purpose service data traffic identifier is mark 1, UE produces new business demand after having spent a period of time
(e.g. opens new app), so UE just needs new mark (such as identifying 2) to be sent to CN (core net).
In the present embodiment, optionally, general-purpose service data traffic identifier by control plane function (or referred to as core net control
Face function) it is handed down to user plane functions (or referred to as core network user face function)；And/or general-purpose service data traffic identifier be by
Type identification (such as the prewired plan from user plane functions for the business data flow that user plane functions are sent according to control plane function
It is obtained in slightly).
In the present embodiment, the general-purpose service data traffic identifier dependent on specific agreement can not be used, to identify and area
Separate service data flow by the clustering processing to many general business datum traffic identifier, realizes the business data flow across agreement
Mark and processing, suitable for a plurality of types of industry such as IP, Non-IP (non-IP), Ethernet frame (ethernet frame format)
The mark for data flow of being engaged in.And the general-purpose service data traffic identifier in the present embodiment can be by the configuration of network operator to new business class
Type realizes flexibly quickly adaptation and deployment, and the general-purpose service data traffic identifier of base in this present embodiment is, it can be achieved that business number
It is controlled according to the flexible QoS of stream.
Embodiment two
Referring to Fig. 4, in new generation network framework, network-based control face function (or referred to as control plane functional entity) and
User plane functions (or referred to as user plane functions entity) are respectively by Control Plane (CP) function (s) and User
Plane (UP) function (s) is realized.Wherein UP can neatly be deployed in network different location, such as be deployed in close to base
The Local-UP of position/network edge that stands, the CN-UP for being deployed in network higher position etc.；And CP may in the form of cloud portion
Administration, and may by control plane function remodeling for one or more independent logical nodes (such as：MM(Mobility
Management, mobile management), SM (Session management, session management) etc.).If it is deployed in network
Policy functions (or referred to as policy functional entity), will obtain the energy by tactic information realization finer control
Power.
On the basis of above-described embodiment one, in the present embodiment, any one or more following mode may be used and obtain
Take general-purpose service data traffic identifier：
Scheme a：It is obtained from policing feature (policy function), optionally, policing feature can be from application function AF
Obtain general-purpose service data traffic identifier；
Scheme b：It is obtained from being locally configured in data；
Scheme c：It is established by UE in session (session) or other moment send or additional (one group or more itself used
Group) general-purpose service data traffic identifier.(information can be used for UL and/or DL directions).
Referring to Fig. 5, the flow for obtaining general-purpose service data traffic identifier is shown in figure, is as follows：
Step 1 establishes PDU sessions；
Said program a includes step 2a and step 2b, and step 2a, application function AF sends AF Flow to policing feature
Description (application function data service stream description), step 2b, policing feature send Flow to core net (CN)
Description Policy (data service stream description strategy).
It should be noted that above-mentioned steps 2a is optional step in scheme a.
Said program b, core net obtain Local Flow Description Policy (local data business stream descriptions
Strategy).
Said program c includes step 2a and step 2b, and step 2a, UE sends UE Flow Description (terminals to CN
Business datum stream description)；Step 2b, core net obtains Local Flow Description Policy (local data Business Streams
Descriptive strategies).
It should be noted that in scheme c, when step 2a includes GFI, step 2b no longer occurs；It is wrapped when in step 2a
When having contained Flow Identification, step 2b essential options for being based on Flow Identification, are matched according to local
It puts or acquired Flow Description Policy determines corresponding GFI.
Above-mentioned Flow Identification are a field in GFI, reference can be made to table 1 in embodiment two.
Optionally, Flow Identification either standardization, can also it is self-defined by operator or
It is the above two mixing.
Embodiment three
Referring to Fig. 4, in the framework of CU separation (control plane function is detached with user plane functions), in above-described embodiment one
On the basis of, following subsequent delivery and processing can be completed：
Scheme a：By core network control surface function be handed down to core network user face function and/or,
Scheme b：(the type mark can be mark to the type identification of core network control surface function transmission particular traffic data stream
It is standardization or voluntarily being distributed by network operator) and obtained from the provisioning policy of itself based on the mark by core network user face function
Obtain corresponding (no-protocol) representation method.
Referring to Fig. 6, the flow for issuing general-purpose service data traffic identifier is shown in figure, is as follows：
Step 1, Establishment of PDU Session, that is, establish PDU sessions；
Step 2, Flow Description Policy Obtainment, i.e. core network control surface function are from policing feature
Obtain business datum Flow Policy；
Scheme a, including step 3：General-purpose service data traffic identifier is sent to core network user by core network control surface function
Face function.
Scheme b, including step 3a and step 3b, step 3a：Core network control surface function is by business datum traffic identifier (Flow
Identification) it is sent to core network user face function；Step 3b：Core network user face function is failed to be sold at auction according to business datum
Know and obtain general-purpose service data traffic identifier (GFI).
Business datum traffic identifier (Flow Identification) is sent to access by step 4, core network control surface function
Net (RAN)；
Business datum traffic identifier (Flow Identification) is sent to user by step 5, core network control surface function
Equipment (UE).
It should be noted that there is no inevitable sequential relationship between above-mentioned steps 3, step 4 and step 5, that is, step 3, step
Rapid 4 and step 5 can perform or be performed simultaneously successively.
It should be noted that the Flow Identification involved in step 3a in said program b is in GFI
One field, reference can be made to table 1 in embodiment two.
Optionally, Flow Identification either standardization, can also it is self-defined by operator or
It is the above two mixing.
Example IV
Referring to Fig. 7, a kind of device for identifying business data flow is shown in figure, which includes：
Determining module 701, for determining general-purpose service data traffic identifier, the general-purpose service data traffic identifier includes one
Or the business data flow characteristic item of multiple description business data flows；
Identification module 702 is treated for the business data flow characteristic item in the general-purpose service data traffic identifier and is sentenced
Disconnected business data flow is identified.
In the present embodiment, optionally, the identification module 702 is further used for：It will be in general-purpose service data traffic identifier
Each business data flow characteristic item carry out logical operation with business data flow to be judged；If logic operation result is first
During predetermined value (such as first predetermined value is ture), the general-purpose service data traffic identifier business data flow to be judged with this is judged
The business data flow to be judged is identified as business data flow corresponding with the general-purpose service data traffic identifier by successful match.
In the present embodiment, optionally, the identification module 702 is further used for：By general-purpose service data traffic identifier packet
The logic operation result of each business data flow characteristic item contained and business data flow to be judged substitutes into general-purpose service data and fails to be sold at auction
Know the logical operation rule included and carry out logical operation；If logic operation result is that (such as second predetermined value is second predetermined value
Ture), then general-purpose service data traffic identifier and business data flow successful match to be judged are judged, by the business number to be judged
Business data flow corresponding with the general-purpose service data traffic identifier is identified as according to stream.
In the present embodiment, optionally, the business data flow characteristic item includes following one or more：Characteristic item mark
The offset Offset for knowing, needing compatible portion, of length Length, matching mask Mask and expectation for needing compatible portion
With result Value.
In the present embodiment, judge a business data flow characteristic item and the item of business data flow successful match to be judged
Part is：The result of following operation is first predetermined value：
(Packet [Offset~(Offset+Length- predetermined values)] ＆Mask)==Value or (Packet
[Offset~(Offset+Length- predetermined values)] ＆Mask)>>(bit digits on the right side of Mask, being continuously zero)==
Value；
Packet represents business data flow；
Offset represents to need the offset of compatible portion；
Length represents to need the length of compatible portion；
Mask represents matching mask；
Value represents the matching result expected；
＆ represents step-by-step AND operator；
>>Represent shift operation symbol.
In the present embodiment, optionally, the general-purpose service data traffic identifier includes：First field and the second field,
Described in the first field be used to identify the quantity of the characteristic item of the business data flow, second field is for describing business datum
The characteristic information of stream, the characteristic information includes one or more business data flow characteristic items or the characteristic information includes：
The logical operation rule of one or more business data flow characteristic items and each business data flow characteristic item matching result.
In the present embodiment, optionally, the structure of the general-purpose service data traffic identifier further includes：Third field and the 4th
Field, wherein, third field represents the title or mark of business data flow, and the 4th field represents the description letter of business data flow
Breath.
In the present embodiment, optionally, the general-purpose service data traffic identifier is obtained from policing feature；And/or
The general-purpose service data traffic identifier is obtained from being locally configured in data；And/or
The general-purpose service data traffic identifier is one used by UE in session establishment or the transmission of other moment or UE itself
Group or multigroup general-purpose service data traffic identifier.
In the present embodiment, optionally, the general-purpose service data traffic identifier is handed down to user plane work(by control plane function
Energy；And/or
The general-purpose service data traffic identifier is the business data flow sent by user plane functions according to control plane function
What type identification obtained.
In the present embodiment, the general-purpose service data traffic identifier dependent on specific agreement can not be used, to identify and area
Separate service data flow by the clustering processing to many general business datum traffic identifier, realizes the business data flow across agreement
Mark and processing, suitable for a plurality of types of industry such as IP, Non-IP (non-IP), Ethernet frame (ethernet frame format)
The mark for data flow of being engaged in.And the general-purpose service data traffic identifier in the present embodiment can be by the configuration of network operator to new business class
Type realizes flexibly quickly adaptation and deployment, and the general-purpose service data traffic identifier of base in this present embodiment is, it can be achieved that business number
It is controlled according to the flexible QoS of stream.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is related with embodiment
A particular feature, structure, or characteristic is included at least one embodiment of the present invention.Therefore, occur everywhere in the whole instruction
" in one embodiment " or " in one embodiment " not necessarily refer to identical embodiment.In addition, these specific feature, knots
Structure or characteristic can in any suitable manner combine in one or more embodiments.
In various embodiments of the present invention, it should be appreciated that the size of the serial number of above-mentioned each process is not meant to perform suitable
The priority of sequence, the execution sequence of each process should be determined with its function and internal logic, without the implementation of the reply embodiment of the present invention
Process forms any restriction.
In addition, the terms " system " and " network " are often used interchangeably herein.
It should be understood that the terms "and/or", only a kind of incidence relation for describing affiliated partner, expression can deposit
In three kinds of relationships, for example, A and/or B, can represent：Individualism A exists simultaneously A and B, these three situations of individualism B.
In addition, character "/" herein, it is a kind of relationship of "or" to typically represent forward-backward correlation object.
In embodiment provided herein, it should be appreciated that " B corresponding with A " represents that B is associated with A, can be with according to A
Determine B.It is also to be understood that determine that B is not meant to determine B only according to A according to A, it can also be according to A and/or other information
Determine B.
In several embodiments provided herein, it should be understood that disclosed method and apparatus, it can be by other
Mode realize.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
For a kind of division of logic function, there can be other dividing mode in actual implementation, such as multiple units or component can combine
Or it is desirably integrated into another system or some features can be ignored or does not perform.Another point, shown or discussed phase
Coupling, direct-coupling or communication connection between mutually can be by some interfaces, the INDIRECT COUPLING or communication of device or unit
Connection can be electrical, machinery or other forms.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
That the independent physics of each unit includes, can also two or more units integrate in a unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in one and computer-readable deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, is used including some instructions so that a computer
Equipment (can be personal computer, server or the network equipment etc.) performs receiving/transmission method described in each embodiment of the present invention
Part steps.And aforementioned storage medium includes：USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, abbreviation
ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic disc or CD etc. are various to store
The medium of program code.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come
It says, several improvements and modifications can also be made under the premise of principle of the present invention is not departed from, these improvements and modifications also exist
In protection scope of the present invention.
Claims (18)
- A kind of 1. method for identifying business data flow, which is characterized in that including：Determine general-purpose service data traffic identifier, the general-purpose service data traffic identifier includes one or more description business data flows Business data flow characteristic item；The business data flow that business data flow characteristic item in the general-purpose service data traffic identifier treats judgement is known Not.
- 2. the according to the method described in claim 1, it is characterized in that, industry in the general-purpose service data traffic identifier Business data flow is identified in business data flow characteristics item, including：Each business data flow characteristic item in general-purpose service data traffic identifier and business data flow to be judged are subjected to logic Operation；If logic operation result is first predetermined value, the general-purpose service data traffic identifier business number to be judged with this is judged According to stream successful match, which is identified as business datum corresponding with the general-purpose service data traffic identifier Stream.
- 3. the according to the method described in claim 1, it is characterized in that, industry in the general-purpose service data traffic identifier Business data flow is identified in business data flow characteristics item, including：The logic of each business data flow characteristic item that general-purpose service data traffic identifier is included and business data flow to be judged is transported It calculates result and substitutes into the logical operation rule progress logical operation that general-purpose service data traffic identifier includes；If logic operation result is second predetermined value, general-purpose service data traffic identifier and business data flow to be judged are judged With success, which is identified as business data flow logic corresponding with the general-purpose service data traffic identifier Operation rule.
- 4. according to the method in claim 2 or 3, which is characterized in that the business data flow characteristic item is included with the next item down It is or multinomial：Characteristic item mark, the offset Offset for needing compatible portion, the length Length for needing compatible portion, matching are covered The code Mask and matching result Value expected.
- 5. according to the method described in claim 4, it is characterized in that,One business data flow characteristic item of judgement and the condition of business data flow successful match to be judged are：The knot of following operation Fruit is first predetermined value：(Packet [Offset~(Offset+Length- predetermined values)] ＆Mask)==Value or (Packet [Offset~(Offset+Length- predetermined values)] ＆Mask)>>(bit digits on the right side of Mask, being continuously zero)== Value；Packet represents business data flow；Offset represents to need the offset of compatible portion；Length represents to need the length of compatible portion；Mask represents matching mask；Value represents the matching result expected；＆ represents step-by-step AND operator；>>Represent shift operation symbol.
- 6. according to the method in claim 2 or 3, which is characterized in that the general-purpose service data traffic identifier includes：First word Section and the second field, wherein first field represents the quantity of the characteristic item of the business data flow, second field represents For describing the characteristic information of business data flow, the characteristic information include one or more business data flow characteristic items or The characteristic information includes：One or more business data flow characteristic items and each business data flow characteristic item matching result are patrolled Collect operation rule.
- 7. according to the method described in claim 6, it is characterized in that, the structure of the general-purpose service data traffic identifier further includes： Third field and the 4th field, wherein, third field represents the title or mark of business data flow, and the 4th field represents business number According to the description information of stream.
- 8. according to the method described in claim 1, it is characterized in that,The general-purpose service data traffic identifier is obtained from policing feature；And/orThe general-purpose service data traffic identifier is obtained from being locally configured in data；And/orThe general-purpose service data traffic identifier is to be sent by UE in session establishment or other moment send or UE itself is used One or more groups of general-purpose service data traffic identifier.
- 9. according to the method described in claim 1, it is characterized in that,The general-purpose service data traffic identifier is handed down to user plane functions by control plane function；And/orThe general-purpose service data traffic identifier is the type of the business data flow sent by user plane functions according to control plane function What mark obtained.
- 10. a kind of device for identifying business data flow, which is characterized in that including：Determining module, for determining general-purpose service data traffic identifier, the general-purpose service data traffic identifier includes one or more The business data flow characteristic item of business data flow is described；Identification module treats the business of judgement for the business data flow characteristic item in the general-purpose service data traffic identifier Data flow is identified.
- 11. device according to claim 10, which is characterized in that the identification module is further used for：By general service Each business data flow characteristic item in stream identification carries out logical operation with business data flow to be judged；If logical operation When result is first predetermined value, the general-purpose service data traffic identifier business data flow successful match to be judged with this is judged, The business data flow to be judged is identified as business data flow corresponding with the general-purpose service data traffic identifier.
- 12. device according to claim 10, which is characterized in that the identification module is further used for：By general service The logic operation result of each business data flow characteristic item that stream identification includes and business data flow to be judged substitutes into general The logical operation rule that business datum traffic identifier includes carries out logical operation；If logic operation result is second predetermined value, sentence Determine general-purpose service data traffic identifier and business data flow successful match to be judged, which is identified as Business data flow corresponding with the general-purpose service data traffic identifier.
- 13. the device according to claim 11 or 12, which is characterized in that the business data flow characteristic item is included with next Item is multinomial：Characteristic item mark, the offset Offset for needing compatible portion, the length Length for needing compatible portion, matching The mask Mask and matching result Value expected.
- 14. device according to claim 13, which is characterized in thatOne business data flow characteristic item of judgement and the condition of business data flow successful match to be judged are：The knot of following operation Fruit is first predetermined value：(Packet [Offset~(Offset+Length- predetermined values)] ＆Mask)>>(bit on the right side of Mask, being continuously zero Digit)==Value or (Packet [Offset~(Offset+Length- predetermined values)] ＆Mask)>>(on the right side of Mask , it is continuous be zero bit digits)==Value；Packet represents business data flow；Offset represents to need the offset of compatible portion；Length represents to need the length of compatible portion；Mask represents matching mask；Value represents the matching result expected；＆ represents step-by-step AND operator；>>Represent shift operation symbol.
- 15. the device according to claim 11 or 12, which is characterized in that the general-purpose service data traffic identifier includes：The One field and the second field, wherein first field represents the quantity of the characteristic item of the business data flow, second field Representing the characteristic information for describing business data flow, the characteristic information includes one or more business data flow characteristic items, Or the characteristic information includes：One or more business data flow characteristic items and each business data flow characteristic item matching result Logical operation rule.
- 16. device according to claim 15, which is characterized in that the structure of the general-purpose service data traffic identifier is also wrapped It includes：Third field and the 4th field, wherein, third field represents the title or mark of business data flow, and the 4th field represents industry The description information for data flow of being engaged in.
- 17. device according to claim 10, which is characterized in thatThe general-purpose service data traffic identifier is obtained from policing feature；And/orThe general-purpose service data traffic identifier is obtained from being locally configured in data；And/orThe general-purpose service data traffic identifier is to be sent by UE in session establishment or other moment send or UE itself is used One or more groups of general-purpose service data traffic identifier.
- 18. device according to claim 10, which is characterized in thatThe general-purpose service data traffic identifier is handed down to user plane functions by control plane function；And/orThe general-purpose service data traffic identifier is the type of the business data flow sent by user plane functions according to control plane function What mark obtained.
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