CN102752796B - A kind of method and apparatus of machine communication resource management - Google Patents
A kind of method and apparatus of machine communication resource management Download PDFInfo
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Abstract
The invention discloses a kind of method and apparatus of machine communication resource management, method includes：M2M marks entrained by data of the network side equipment in machine and machine/people (M2M) data transmission channel, carry out the identification of M2M service traffics；The M2M that network side equipment is identified according to the corresponding M2M for obtaining gathers resource usage amount, carries out the resources control of M2M service traffics.By the present invention so that the network side equipment such as grouped data network gateway (P GW)/Gateway GPRS Support Node (GGSN) can just judge the ownership of the message and make the treatment such as correct Internet resources control immediately after message is received.
Description
Technical field
The present invention relates to machine type communication field, more particularly to a kind of method and apparatus of machine communication resource management.
Background technology
The packet of third generation partner program (3GPP, 3rd Generation Partnership Project) evolution
System (EPS, Evolved Packet System) is as shown in figure 1, by the land common file dialog network (E- of evolution
UTRAN, Evolved Universal Terrestrial Radio Access Network), mobile management unit (MME,
Mobility Management Entity), gateway (S-GW, ServingGateway), grouped data network gateway (P-
GW, Packet Data Network Gateway), home subscriber server (HSS, Home Subscriber Server),
3GPP authentication and authorization chargings (AAA, Authentication Authorization and Accounting) server, strategy
With charging rule functions (PCRF, Policy and Charging Rules Function) entity and other support node groups
Into.
Wherein, MME is responsible for mobile management, the treatment of Non-Access Stratum signaling, management of user's mobile management context etc.
The selection of chain of command related work, P-GW and S-GW, the accessibility management of terminal under idle condition, and tracking area list
The functions such as selection.
S-GW is the accessing gateway equipment being connected with E-UTRAN, and its function includes：As evolved node B (eNodeB,
Evolved NodeB) between switch local anchor point, data are forwarded between E-UTRAN and P-GW；It is responsible for pending datas such as pagings
Cached；Lawful Interception, data message route, and (QCI, QoS are identified with quality of service class based on user during cross operator
Class Identifier) charging.
P-GW is then the borde gateway of EPS and packet data network (PDN, Packet Data Network), its function bag
Include：Packet filtering based on user, Lawful Interception, terminal address distribution, transport layer Message Service quality (QoS, Quality of
Service) label, it is up with the descending charging based on business, based on Aggregate Maximum Bit Rate (AMBR, Aggregate
Maximum Bit Rate) downstream rate ensure that DynamicHost sets agreement (DHCPv4/v6, Dynamic Host
Configuration Protocol v4/v6) function, based on identical guarantee bit rate (GBR, Guaranteed Bit
Rate) the downstream rate guarantee of the accumulation maximum bit rate (MBR, Maximum Bit Rate) of QCI, is otherwise responsible for up and down
Capable bearing binding.
EPS supports that the intercommunication with non-3 GPP system, the intercommunication with non-3 GPP system are realized by S2a/b/c interfaces, P-GW
As the anchor point between 3GPP and non-3 GPP system.Wherein, non-3 GPP system is divided into trusted non-3 gpp IP and accesses and insincere
Non-3 gpp IP is appointed to access.
Machine and machine/people (Machine to Machine/Man, abbreviation M2M) are one kind with machine terminal or service
Device, is the application and service of the networking of core with people or with other machines terminal interaction.Data communication between machine is determined
Justice is MTC (Machine Type Communication), and MTC is internally embedded wireless communication module by machine, with wireless
Communication etc. is access means, and the informatization resolve scheme of synthesis is provided for client.
The characteristics of MTC has different from existing mobile network communication, shows：MTC has different market applied fields
Scape；MTC is essentially all data communication (need not support voice)；MTC expenses are lower, and the resource of occupancy is less；The potential tools of MTC
There is huge number of communication terminal, while the data volume of each terminal is little.Therefore, network needs the spy according to M2M communication
Point, increases new function, and existing function is optimized.
A large amount of M2M terminals can cause equipment of the core network user plane congestion, even if or temporarily do not cause equipment congestion,
Massive band width can be tied up, potential impact is produced to people's communication to people.If the flow of machine communication is capable of identify that, and it is logical to machine
Letter enters row set control, i.e., the resources such as the overall shared bandwidth in core network communications equipment of M2M business can be closed
Reason planning, and the resource constraint that M2M business is used is within limits, it is possible to isolate M2M business and other are communicated
Business such as the common influence that everybody communicates.In addition, identifying that machine communication flow is also the need of M2M virtual operations in the very first time
Ask, i.e., the resources, independent counting, independent development M2M business such as the bandwidth of basic Mobile Communication Service business are rented by virtual MTC operators
Operation.Virtual MTC operators do not have general packet radio service (GPRS, General the Packet Radio of itself
Service) or EPS network, Mobile Network Operator can by itself as P-GW/ Gateway GPRS Support Nodes (GGSN,
Gateway GPRS Support Node) bandwidth, storage capacity rents and used to virtual MTC operators.Mobile operator knows
Do not go out after the flow for belonging to virtual MTC operators could according to hiring agreement (distribute to the bandwidth of virtual MTC operators, on
Hereafter storage capacity etc.) carry out resources control.However, not currently exist a method for simplicity belongs to virtual MTC to recognize
The flow of operator, in addition it is also necessary to go to inquire about the context of single MTC user so that it is determined that its ownership, this brings to practical application
Very big inconvenience.
The content of the invention
In view of this, it is a primary object of the present invention to provide a kind of method and apparatus of machine communication resource management, with
The identification to the flow of M2M business is realized, and the control of Internet resources is taken to M2M business.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
The invention provides a kind of method of machine communication resource management, the method includes：
M2M marks entrained by data of the network side equipment in machine and machine/people (M2M) data transmission channel,
Carry out the identification of M2M service traffics；
The network side equipment gathers resource usage amount according to the M2M that the correspondence M2M for obtaining is identified, and carries out described
The resources control of M2M service traffics.
Wherein, the M2M is designated following at least one：
M2M class indications, M2M priority tags, M2M groups mark, M2M service quality (QoS) grade, M2M application identities；
Or, the M2M is designated indexation mark obtained by above-mentioned at least one identity map.
When the M2M data transmission channels are data transfer platform (GTP) tunnel, the M2M transmitted in the GTP tunnel
Increase the M2M marks in GTP of data.
When the M2M data transmission channels are proxy-mobile IP (PMIP) generic route encapsulation (GRE) tunnel, described
Increase the M2M marks in GRE of the M2M data transmitted in PMIP gre tunnelings.
The M2M identified according to the corresponding M2M for obtaining gathers resource usage amount, carries out the resource control of M2M service traffics
System, specially：
When the M2M flows of the correspondence M2M marks gather resource usage amount beyond the M2M, to the M2M flows for exceeding
Abandoned or caching process.
Present invention also offers a kind of device of machine communication resource management, the device includes：
M2M traffic identification modules, for the M2M marks entrained by the data in M2M data transmission channels, are carried out
The identification of M2M service traffics；
Resource controlled block, the M2M for being identified according to the correspondence M2M for obtaining gathers resource usage amount, carries out institute
State the resources control of M2M service traffics.
The M2M is designated following at least one：
M2M class indications, M2M priority tags, M2M groups mark, M2M QoS grades, M2M application identities；
Or, the M2M is designated indexation mark obtained by above-mentioned at least one identity map.
When the M2M data transmission channels are GTP tunnel, M2M mark is arranged in the GTP tunnel what is transmitted
In GTP of M2M data.
When the M2M data transmission channels are PMIP gre tunnelings, the M2M marks are arranged on the PMIP gre tunnelings
In GRE of the M2M data of middle transmission.
The resource controlled block is further used for, and gathers beyond the M2M in the M2M flows of the correspondence M2M marks
During resource usage amount, the M2M flows to exceeding are abandoned or caching process.
The method and apparatus of a kind of machine communication resource management provided by the present invention, by M2M data transmission channels
Middle increase M2M marks, so that the network side equipment such as SGSN, SGW, P-GW/GGSN can just be sentenced immediately after message is received
Break and the ownership of the message and the route that the message is forwarded, the priority for the treatment of, the network money that can be taken are determined according to M2M marks
Source, and required treatment strategy (being detected, it is necessary to replace the destination address in load message if desired for by deep message) etc..
In addition, there is provided M2M marks also make it possible M2M dedicated networks or virtual network, the flow of all M2M can root
M2M dedicated networks/virtual network is easily imported according to M2M marks.
Brief description of the drawings
Fig. 1 is the system architecture schematic diagram of EPS in the prior art；
Fig. 2 is a kind of method flow diagram of machine communication resource management of the invention；
Fig. 3 is the flow chart of M2M set resources control in the UMTS/GPRS networks of the embodiment of the present invention；
Fig. 4 is the flow chart of M2M set resources control in the EPS networks of the embodiment of the present invention；
Fig. 5 is a kind of apparatus structure schematic diagram of machine communication resource management of the invention.
Specific embodiment
The technical solution of the present invention is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
In order to realize taking M2M business the control of Internet resources, it is necessary first to recognize the flow of M2M business.The present invention
The method of proposition is to increase M2M marks in M2M data transmission channels, so as to the flow to M2M business is identified.
Therefore, a kind of method of machine communication resource management proposed by the invention, as shown in Fig. 2 mainly including following
Step：
Step 201, the M2M marks entrained by data of the network side equipment in M2M data transmission channels, carries out M2M
The identification of service traffics.
Mark (i.e. M2M marks) for recognizing M2M flows can be following at least one：M2M class indications, M2M are excellent
First level mark, M2M groups mark, M2M QoS grades, M2M application identities (ID) etc.；M2M mark can also be by it is above-mentioned at least
Indexation mark obtained by a kind of identity map.
For being transmitted in general data transfer platform (GTP, General Data Transfer Platform) tunnel
M2M data, M2M marks can be increased in GTP (GTP header).
For in proxy-mobile IP (PMIP, Proxy Mobile IP) generic route encapsulation (GRE, GenericRouting
Encapsulation) the M2M data transmitted in tunnel, can increase M2M marks in GRE header.
Step 202, network side equipment according to obtain to should M2M identify M2M gather resource usage amount, carry out M2M
The resources control of service traffics.
It is further proposed that increase in the network equipments such as equipment of the core network, wireless access side apparatus gathering resource to M2M
The control of usage amount, so as to limit impact of the M2M service traffics to existing business, and is used to distinguish and specializes in M2M business and use
Virtual network flow.So-called set resource, i.e. total resources shared by the M2M business of this corresponding classification of M2M marks,
If for example, M2M marks have distinguished M2M service traffics and common person to person (Normal H2H) business, M2M marks can be taken
Band specifies maximum allowable bandwidth (throughput) of the M2M business in P-GW in all messages for belonging to M2M flows.
By the mark of user plane, user plane equipment can identify the flow of M2M in equipment interface, so as to enter row set
Resources control.Control for the shared resource of M2M set can use PCRF, it is also possible in P-GW, GGSN, S-GW or service
Configuration in GPRS Support Node (SGSN, Service GPRS SupportNode).
Can be in equipment external interface, it is also possible to which the maximum resource usage amount of each equipment M2M permissions is set, such as each connects
The maximum bandwidth that comes in and goes out of M2M in maximum M2M the discrepancy bandwidth, or whole equipment of mouth.
Wherein, for increasing the example that M2M is identified in GTP tunnel, for this reason, it may be necessary to increase by two marks：
1) extension header type (Next Extension Header Type)；
2) new MTC extension header (Next Extension Header).
Respectively as shown in table 3 below, table 4, table 1 below is the form of GTP, and table 2 is the form of GTP extended fields.
Table 1
Table 2
Table 3
Table 4
The field for extending if necessary, then extended field identification bit position E needs set in GTP first, while GTP
Next Extension Header Type in head need the type of the extended field for being disposed proximate to GTP.Show in table 3
A kind of definition mode of MTC extension header types is shown：8th and the 7th bit position 1, represents that the field must be received GTP messages
Node understood that and remaining content of field then represents the specific numbering of the expansion type, and MTC contingency tables are shown in table 3
The numbering of knowledge.Table 4 is an example of the prolate-headed specific contents of MTC, and the extension header has four byte lengths, first altogether
Byte value is 1, then it represents that the GTP messages belong to MTC messages (signaling or data message), second and the 3rd byte be 0xFF
(represent and the byte is not used), last byte is then Next Extension HeaderType, i.e., next prolate-headed
Type, if below again without other extension header, the byte value is 0.There can certainly be other numerical value to define, first,
Second and the 3rd byte may serve to represent MTC mark (MTC indication) concrete numerical value, these numerical value can be right
Answer priority level etc..
The method of above-mentioned machine communication resource management is described in detail in conjunction with specific embodiment below.
Embodiments of the invention one are UMTS (UMTS, Universal
MobileTelecommunications System) M2M gathers the implementation of resources control in/GPRS network.
MTC terminal is attached to network in the gprs networks, and creates packet data protocol (PDP, PacketData
Protocol) context is used for data transfer, and the resource that GGSN can obtain set to PCRF in the process is believed using limitation
Breath (such as gathers maximum bandwidth), or can also be by operation maintenance center (OMC, Operations Maintenance
) etc. Center mode is being locally configured strategy, defines M2M set resource usage amounts.Obtain M2M set resource usage amount it
Afterwards, the GTP messages that GGSN can be to going out on external interface from GGSN stamp M2M marks, and the GTP message roots to receiving
QoS controls etc. are carried out according to M2M marks to process.As shown in figure 3, comprising the following steps that：
Step 301, MTC terminal initiates Attach Request message to network.
Step 302, the SGSN of network returns to attachment response message to MTC terminal.
Step 303, MTC terminal returns to attachment completion message to SGSN.
Step 304, MTC terminal initiates PDP activation request message to SGSN.
Step 305, SGSN initiates establishment PDP Context request and disappears after PDP activation request message is received, to GGSN
Breath.The information such as M2M marks are carried in PDP Context request message is created, the M2M identification informations can be obtained from CAMEL-Subscription-Information
, it is also possible to directly carried by MTC terminal, it might even be possible to contracted according to MTC user by SGSN and carrier policy is voluntarily given birth to
Into.
Step 306, sets up IP-CAN sessions between GGSN and PCRF, GGSN to PCRF acquisition strategy information, including QoS, with
And aggregation policy control information, total maximum belt that classification (set) where terminal is may include in aggregation policy control information is allowed
(up, descending etc.) wide.
Step 307, preserves M2M set resource identifications and the corresponding set resource usage amount of the mark in GGSN.
Step 308, GGSN returns to SGSN and creates PDP Context response message.
Step 309, SGSN sends messages to NodeB and sets up radio bearer.
Step 310, GGSN now can have been identified to setting M2M in the descending GTP messages for issuing MTC terminal, and
On its external interface, the GTP messages to receiving recognize whether it is the flow of M2M according to M2M marks, or more enter one
Step, recognizes the flow belongs to which classification (depending on the granularity of M2M marks) in M2M；After identifying the flow of M2M,
Can further carry out the control of aggregated flows, i.e., if up M2M flows beyond the maximum allowable bandwidth of the set, then enter
Row is abandoned or caching process.
Step 311, SGSN sends PDP activation response message to MTC terminal after wireless appointment successfully.
Step 312, NodeB now can set M2M marks, and the report to receiving to up GTP messages
Text recognizes whether it belongs to the flow of M2M according to M2M marks, and is correspondingly processed.
Step 313, MTC terminal is by setting up normal data communication between GGSN and MTC server.
Embodiments of the invention two are M2M set resources control implementation methods in EPS networks.
P-GW obtains the resource restriction information (such as gathering maximum bandwidth) of set to PCRF in EPS networks, or
Person is being locally configured strategy by modes such as OMC, defines M2M set resource usage amounts.Obtaining the collection corresponding to MTC terminal
After joint source usage amount, P-GW/S-GW can be identified on external interface to stamping M2M from the GTP messages itself gone out, and
And the GTP messages to receiving carry out the treatment such as QoS controls according to M2M marks.Advantage of this is that, after GTP messages are received
Just the treatment such as QoS controls, the context ability without inquiring about single terminal again can be carried out according to the strategy being pre-configured with immediately
Know strategy so as to be processed.As shown in figure 4, comprising the following steps that：
Step 401, MTC terminal initiates Attach Request message to network.
Step 402, to S-GW, S-GW initiates to create conversation request message the MME of network to P-GW, and MME can be from MTC ends
At end, or CAMEL-Subscription-Information, or produce one according to the information (such as APN) that carrier policy, signing and MTC terminal are provided
M2M is identified, for recognizing M2M flows.
Step 403, sets up IP-CAN sessions between P-GW and PCRF, P-GW obtains M2M set resource usage amounts to PCRF.
Step 404, P-GW preserves M2M set resource identifications, and the corresponding set resource usage amount of the mark.
Step 405, P-GW is returned to MME and is created conversational response message.
Step 406, MME initiates initial context and sets up request message to eNodeB, and attachment response is included in the message
Message.
Step 407, eNodeB returns to initial context and sets up response message to MME.
Step 408, MTC terminal returns to attachment completion message.
Step 409, eNodeB now can set M2M marks, and the report to receiving to up GTP messages
Whether text recognizes its flow for belonging to M2M according to M2M marks, and carries out the treatment such as bandwidth control.
Step 410, MME initiates bearing modification request message to S-GW, S-GW to P-GW, carries the descending GTP tunnels of eNodeB
Road is identified.
Step 411, P-GW returns to bearing modification response message to S-GW, S-GW to MME.
Step 412, P-GW/S-GW now can have been identified to setting M2M in the descending GTP messages for issuing MTC terminal,
And on its external interface, the GTP messages to receiving recognize whether it is the flow of M2M according to M2M marks, or more enter
One step, recognizes the flow belongs to which classification (depending on the granularity of M2M marks) in M2M；Identify M2M flow it
Afterwards, can further carry out the control of aggregated flows, i.e., if up M2M flows beyond the maximum allowable bandwidth of the set,
Then abandoned or caching process.If the M2M flows belong to certain MTC virtual operator, charging etc. is distinguished it.
Step 413, MTC terminal is by setting up normal data communication between P-GW and MTC server.
A kind of method of the above-mentioned machine communication resource management of correspondence, present invention also offers dress of machine communication resource management
Put, the device is suitable for the equipments of the core network such as P-GW/GGSN, wireless access side apparatus, as shown in figure 5, the device includes：
M2M traffic identification modules 10 and resource controlled block 20.Wherein, M2M traffic identification modules 10, for according to M2M data transfers
M2M marks entrained by data in passage, carry out the identification of M2M service traffics.Resource controlled block 20, for according to acquisition
Corresponding M2M mark M2M set resource usage amount, carry out the resources control of M2M service traffics.
Wherein, M2M is designated following at least one：
M2M class indications, M2M priority tags, M2M groups mark, M2M QoS grades, M2M application identities；
Or, the M2M is designated indexation mark obtained by above-mentioned at least one identity map.
When M2M data transmission channels are GTP tunnel, the M2M marks are arranged on the M2M data of transmission in GTP tunnel
In GTP.
When M2M data transmission channels are PMIP gre tunnelings, M2M mark is arranged in PMIP gre tunnelings what is transmitted
In GRE of M2M data.
Preferably, resource controlled block 20 can also be used to make beyond M2M set resource in the M2M flows of correspondence M2M marks
During consumption, the M2M flows to exceeding are abandoned or caching process.
In sum, the present invention is identified by increasing M2M in M2M data transmission channels, so that P-GW/GGSN etc.
Network side equipment can just judge the ownership of the message and make correct Internet resources control etc. immediately after message is received
Treatment.
The above, only presently preferred embodiments of the present invention is not intended to limit the scope of the present invention.
Claims (10)
1. a kind of method of machine communication resource management, it is characterised in that the method includes：
M2M marks entrained by data of the network side equipment in machine and machine/people (M2M) data transmission channel, are carried out
The identification of M2M service traffics；
The network side equipment gathers resource usage amount according to the M2M that the correspondence M2M for obtaining is identified, and carries out the M2M industry
The resources control of business flow.
2. the method for machine communication resource management according to claim 1, it is characterised in that the M2M be designated it is following extremely
Few one kind：
M2M class indications, M2M priority tags, M2M groups mark, M2M service quality (QoS) grade, M2M application identities；
Or, the M2M is designated indexation mark obtained by above-mentioned at least one identity map.
3. the method for machine communication resource management according to claim 1 or claim 2, it is characterised in that the M2M data transfers are led to
When road is general data transfer platform GTP tunnel, increase described in GTP of the M2M data transmitted in the GTP tunnel
M2M is identified.
4. the method for machine communication resource management according to claim 1 or claim 2, it is characterised in that the M2M data transfers are led to
When road is proxy-mobile IP PMIP generic route encapsulation gre tunnelings, the M2M data transmitted in the PMIP gre tunnelings
Increase the M2M marks in GRE.
5. the method for machine communication resource management according to claim 1 or claim 2, it is characterised in that described right according to what is obtained
The M2M set resource usage amounts that M2M is identified are answered, the resources control of M2M service traffics is carried out, specially：
When the M2M flows of the correspondence M2M marks gather resource usage amount beyond the M2M, the M2M flows to exceeding are carried out
Abandon or caching process.
6. a kind of device of machine communication resource management, it is characterised in that the device includes：
M2M traffic identification modules, for the M2M marks entrained by the data in M2M data transmission channels, carry out M2M industry
The identification of business flow；
Resource controlled block, the M2M for being identified according to the correspondence M2M for obtaining gathers resource usage amount, carries out the M2M
The resources control of service traffics.
7. the device of machine communication resource management according to claim 6, it is characterised in that the M2M be designated it is following extremely
Few one kind：
M2M class indications, M2M priority tags, M2M groups mark, M2M QoS grades, M2M application identities；
Or, the M2M is designated indexation mark obtained by above-mentioned at least one identity map.
8. according to claim 6 or 7 machine communication resource management device, it is characterised in that the M2M data transfers lead to
When road is GTP tunnel, the M2M marks are arranged in GTP of the M2M data transmitted in the GTP tunnel.
9. according to claim 6 or 7 machine communication resource management device, it is characterised in that the M2M data transfers lead to
When road is PMIP gre tunnelings, the M2M marks are arranged in GRE of the M2M data transmitted in the PMIP gre tunnelings.
10. according to claim 6 or 7 machine communication resource management device, it is characterised in that the resource controlled block
It is further used for, when the M2M flows of the correspondence M2M marks gather resource usage amount beyond the M2M, to the M2M for exceeding
Flow is abandoned or caching process.
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| CN108234344B (en) * | 2016-12-15 | 2020-09-11 | 电信科学技术研究院 | Method and device for identifying service data flow |
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