CN103702352B - Business channel-based network capacity opening method and device thereof - Google Patents
Business channel-based network capacity opening method and device thereof Download PDFInfo
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- CN103702352B CN103702352B CN201410025816.XA CN201410025816A CN103702352B CN 103702352 B CN103702352 B CN 103702352B CN 201410025816 A CN201410025816 A CN 201410025816A CN 103702352 B CN103702352 B CN 103702352B
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Abstract
The invention provides a business channel-based network capacity opening method and a device thereof. A related function of opening network capacity information is added under the condition of not increasing hardware investment of an operator on the existing network element. Meanwhile, the accounting function based on data packet content detection is widely deployed as to a core network (CN), so that the related function of opening the network capacity is increased, and consumption on the performance of the original hardware is tiny. The network capacity information travels on the original business channel in the aspect of time delay, so that the network capacity information is basically synchronous with the business request of a user, and the time delay is at the millisecond level.
Description
Technical field
The present invention relates to the method and system that a kind of network capabilities is opened, belong to bitcom design field.
Background technology
With the popularization of the intelligent terminal such as iphone, internet, applications accelerate to mobile terminal to shift, meanwhile, mobile communication
In OTT（OvertheTop）, traffic, retail, education, enterprise, the market segment such as public safety and banking also accelerate expansion, this
Contain the huge market opportunity.But, OTT business causes the traditional business revenue decline such as operator's voice and note, to MBB
（Mobile broadband）Epoch profit brings immense pressure.Therefore mobile operator needs to carry out network opening and business innovation, with this
Network potential value is excavated, value asset is vitalized, there is provided demand assigned service, is met the Protean demand in market, while
The Xinlan sea of developing MBB industries, creates novel service pattern.
But, generally lack the bridge of operator and third party's business associate at present so that operator in open transition,
The network capabilities of on-demand service according to business demand, cannot be flexibly provided.
For example, these business demands are mainly reflected in：
First, to terminal use（UE）For, can the people of Spring Festival panic buying train ticket be so more, causes Wireless network congestion,
A small amount of money is spent, allows network to provide bandwidth safeguard, to rob calmly ticket
2nd, to SP such as Sina, youku.coms（ServiceProvider）For,
1）Can user clicks on a link, obtain the quality condition of the user place network immediately, suitable to select
Content be sent to user, be such as to send the succinct version page, or the standard high definition version page.Simultaneously, moreover it is possible to no to obtain immediately
The positional information of the user and the behavioral data of the user, to send location-based accurate advertisement to the user；
2）If it is a video link that user clicks on, in video display process, for the interim card for making video as far as possible few, need
The quality of the user place network is obtained periodically, to select high definition or SD video slicing to be sent to user；
3）If what user clicked on is a high definition paid video, there is a good experience to allow user, SP also is intended to network
There is provided corresponding bandwidth safeguard can to the user.
In sum, in order to meet these business demands, network it would be desirable to provide towards UE and SP bandwidth safeguard abilities, and
The abilities such as network quality inquiry, customer location inquiry are provided to SP.
Existing technical solution is it is emphasised that management and control to network open ability information, emphasizes safety, therefore be
Server is set up in core-network side, as the unified platform of network capabilities opening imformation.
Referring to Fig. 1, below by taking the E_UTRAN network qualities that query wireless user is located as an example, its query script is illustrated；
1）Internet, applications are to iPOP（Intelligent pipeline ability open platform）The network quality that inquiry user is located, network matter
The quality of amount is mainly reflected in wireless access net side, it is therefore necessary to inquire about to access network, i.e. iPOP is first to PGW
（PacketGateway）Inquiry, after PGW judges which eNodeB belongs to the user belongs to, inquires about to the eNodeB；
2）After eNodeB obtains the network quality statistical information of the user, PGW is offered, PGW offers iPOP again, and iPOP is last
The network quality of the user is offered into internet, applications.
Fig. 1 contains plurality of wireless networks, generally seems more complicated, below we simplification is done to Fig. 1, will be each
Plant Radio Access Network unification and use AN（Access network）Represent, CN is used in the various network element unifications of core net（Core net）Represent, obtain figure
2：
It is following 2 points as can be seen from Figure 2：
1）Network capabilities open platform this equipment is newly increased；
2）A network capabilities open channel is newly increased, it is to separate with service channel.
Therefore, existing technical solution has the disadvantage that：
1st, operator needs to newly increase server（Network capabilities open platform）Investment；
2nd, in terms of time delay, customer position information is such as obtained, its time delay can not meet the requirement of SP：When with 100,000 or even hundred
When the network capabilities inquiry request of ten thousand meters arrives, necessarily there is very long queuing delay, this queuing delay is second level even minute
Level, when user clicks on a video, SP expects a location-based accurate advertisement is intercutted before the video, because obtain using
The time delay of family position is too big, after video is played to user, then can only paste an advertisement.But, user finishes watching and is clicked on
Video after, there will be no interest to see ensuing advertisement.
The content of the invention
The present invention is to solve above-mentioned technical problem present in background technology, and provides a kind of network based on service channel
Ability opening method.
The present invention technical solution be：The present invention provides a kind of network capabilities opening method based on service channel,
Comprise the following steps：
1）Packet is detected；
When communication net side has up packet in detecting service channel, into step 2）Process；The communication network bag
Include access network and core net；
2）Capability information opens the negotiation of function；
Communication net side will be provided with capability information and open the mark set of function to step 1）In up packet or
Then up packet or newly-built packet are transmitted by service channel by set to communicating in the newly-built packet of net side
To provider；
3）Provider asks capability information；
Content to communication net side request capability information is loaded onto in descending packet or newly-built by provider
In packet, if provider itself has the mark of request capability information, by the mark also set to descending data
In bag or newly-built packet, then descending packet or newly-built packet are sent to communication network by service channel
Side；
4）Communication network uploads capability information；
Communication network acquisition step 3）The capability information of middle request, and the capability information for collecting is loaded onto
Capable packet is loaded onto in newly-built packet, is uploaded to provider by service channel.
Above-mentioned steps 3）In, if provider is included to the capability information of communication net side request respectively by service channel
During the capability information that access network and core net are provided, it is handled as follows：
If core net possesses capability information opens function, the capability information of provider's demand is sent out by access network
Core net is delivered to, all information transfers that provider is asked by core net are to provider；Or access network and core net are respectively by net
Network capability information transfer is to provider；
If core net does not possess capability information opens function, access network is directly by all information of provider's demand
Transmit to provider.
The capability information that above-mentioned access network is provided includes customer position information, cell ID, small area jam information, link
The information such as quality information, link rate, bandwidth safeguard；The capability information that the core net is provided includes user behavior data
Etc. information.
Above-mentioned steps 2）Middle mark set to up packet is the head that mark is loaded onto up TCP bags in step 1
Portion's reserved bit；
Mark set to newdata bag is mark to be loaded onto the head reserved bit of newly-built tcp data bag or is loaded onto
The ICP/IP protocol type or the packet of port of newly-built agreement.
Above-mentioned steps 3）Mark set to descending packet is the head reserved bit that mark is loaded onto descending TCP bags；
Or mark set to newdata bag is head reserved bit or the loading that mark is loaded onto newly-built tcp data bag
To the ICP/IP protocol type or the packet of port of newly-built agreement.
Also include configuration step in the method：The position of each cell or each port in network management configuration access network, when
Provider returns to the cell at its place or the position of port inquiring about during customer location, or according to the requirement of provider, it is right to start
The user's is accurately positioned.
Above-mentioned steps 4）In when unpaid provider ask capability information when, core net will intercept corresponding carrying
The packet of network capabilities relevant information；Or core net transforms the packet so as to after not carrying network capabilities relevant information,
Provider is uploaded to by service channel again.
Also include step 5 in the method）Core net records the inquiry of capability information by detection data bag content
Type and number of times.
A kind of device of the network capabilities opening method based on service channel for realizing preceding claim, its special character
It is：The device includes access network network capabilities processing module, core net network capabilities processing module and provider network ability
Processing module, the access network network capabilities processing module pass through core net network capabilities processing module and provider network ability
Processing module connects；Wherein：
Access network network capabilities processing module is responsible for,
1）Collection to capability information；
2）From packet, insertion/detection capability information；
Core net network capabilities processing module is responsible for：
1）Collection to capability information；
2) respectively the packet of access network access network side and provider side is detected, it is if provider is non-paid, right
The data for carrying capability information are intercepted, or are transformed so as to do not carry capability information；
3）If allowing provider to inquire about network capabilities, Query Result is reported and submitted and gives charging gateway CG chargings.
Provider network ability processing module is responsible for：
1）The network capabilities call request using business APP is received, then neotectonics data or the insertion in data with existing bag
Capability information；
2）Packet to coming from communication net side, from capability information is wherein detected, submits to APP.
The device also include user terminal network ability processing module, the user terminal UE network capabilities processing module with
Access network network capabilities processing module connects
, there is advantages below in the network capabilities opening method based on service channel and its device that the present invention is provided：
1st, on existing network element and in the case of not increasing the hardware investment of operator, addition capability information is opened
The correlation function put；Simultaneously for core net CN, as the billing function detected based on packet content is widely deployed,
Therefore, increase the correlation function that network capabilities is opened, it is minimum to the performance consumption of original hardware.
2nd, in terms of time delay, capability information walks original service channel so that the business of capability information and user
Request basic synchronization, time delay is in millisecond rank.
Description of the drawings
Fig. 1 is the structured flowchart of the network quality at query wireless user place networking in prior art；
Fig. 2 is the simplified structured flowchart of Fig. 1；
Fig. 3 is the overall construction drawing of the present invention；
Fig. 4 is neotectonics or the packet structure after insertion capability information；
Fig. 5 is the schematic flow sheet of the embodiment of the present invention 1；
Fig. 6 is the schematic flow sheet of the embodiment of the present invention 2；
Fig. 7 is the schematic flow sheet of the embodiment of the present invention 3；
Fig. 8 is the schematic flow sheet of the embodiment of the present invention 4；
Fig. 9 is the schematic flow sheet of the embodiment of the present invention 5.
Specific embodiment
Method of the present invention thinking is as follows：
1）Identified by the IP address of user terminal UE or provider SP, distinguish different inquiries；
2）In order to meet the demand of user terminal UE and provider SP to network capabilities, capability information should be to offer
Business SP is opened, and also will be opened to user terminal UE；
3）Capability information walks service channel, by packet that is specific, carrying capability information, original
Service channel is transmitted, and these are specific, carry the packet of capability information, can both be that each network capabilities processes mould
The packet of block neotectonics, it is also possible to insert network capabilities in the packet between original user terminal UE and provider SP
Relevant information.
4）NMS（Webmaster）Each cell in configuration access network（Wireless network）Or each port（Fixed network）Position
（Longitude and latitude）, when provider SP is to inquire about customer location, the cell at its place or the position of port can be returned to immediately, it is also possible to
According to the requirement of provider SP, startup is accurately positioned to the user（Just for the network user）.
5）Authentication and billing function, are placed on core net CN and CG（Charging gateway）, when unpaid provider SP asks net
During network ability information, core net CN will intercept the corresponding packet for carrying network capabilities relevant information, or transform the data
Bag so as to do not carry network capabilities relevant information.
6）Respectively on the server of access network AN, core net CN and provider SP, increase network capabilities processing module,
If network capabilities is also opened to user terminal UE, it is also required to increase network capabilities processing module on user terminal UE.
7）API is provided to the application developer and provider SP of user terminal UE sides
（ApplicationProgrammingInterface）, to facilitate corresponding APP（application）Call.
8）In the network capabilities request message of provider SP, in order to be sufficiently accurate it may be desired to network side periodic report, subsequently, network side is according to week
The time report network ability information that phase requires.
Referring to Fig. 3, the device of the present invention be respectively on the server of access network AN, core net CN and provider SP,
Increase network capabilities processing module, if network capabilities is also opened to user terminal UE, be also required to increase on user terminal UE
Network capabilities processing module.Wherein
Access network AN network capabilities processing module is responsible for,
1）The collection of capability information；
2）From packet, insertion/detection capability information；
Core net CN network capabilities processing module is responsible for：
1）The collection of capability information；
2）Respectively the packet that access network AN accesses net side and provider SP sides is detected, if provider SP is unpaid
Take, then the data to carrying capability information are intercepted, or are transformed so as to do not carry capability information；
3）If allowing provider SP to inquire about network capabilities, Query Result is reported and submitted and gives charging gateway CG chargings.
Provider SP network capabilities processing module is responsible for：
1）The network capabilities call request using business APP is received, then neotectonics data or the insertion in data with existing bag
Capability information；
2）Packet to coming from access network AN, from capability information is wherein detected, submits to APP.
Referring to Fig. 4, Transmission Control Protocol（RFC793）When issuing within 1981,6 reservation bits are had, up to now, 6 guarantors
2 in bit are stayed to be used by linux protocol stacks, i.e. cwr and ece also has 4 reservation bits to be not used, network capabilities at present
Open function uses one therein or multidigit, is used to refer to whether the TCP bags carry capability information.If in
Capability information is inserted in original business data packet, is then needed the Length Indication to data packet head and verification and is counted again
Calculate.
Referring to Fig. 5, embodiments of the invention 1 be capability information insert TCP uplink ACK bag, AN, CN information close bag
Open to SP, comprise the following steps that：
501）When user opens an App application or a webpage is opened by browser, will first set up TCP connections,
The SYN messages of a TCP connection request are first sent；If network capabilities processing module is deployed on UE, the network of UE
Ability processing module is by the message transmission.
502）The network capabilities processing module of AN detects the packet of uplink and downlink, after receiving from the packet of UE, sentences
The IP break to whether opening network capabilities, if do not opened, need to SP expression AN to possess network capabilities and open function,
Concrete measure is, will be one or more in the reservation bit of the TCP header of the packet（Most 4, hereinafter by these bits
Referred to as " network capabilities indicating bit "）Set, and recalculate the verification of data head and the packet is transmitted to into CN finally.
503）The network capabilities processing module of CN, also detects the packet of up-downgoing, when receiving the TCP header net from AN
During the packet of network ability indicating bit set, inquire about whether the SP pays, if charges paid, forward the packet；If unpaid
Take, then the network capabilities indicating bit of TCP header reset, and recalculate data head inspection and.
504）The network capabilities processing module of SP, also detects the packet of up-downgoing, when receiving the TCP header net from CN
During the packet of network ability indicating bit set, that is, understand that there is communication net side network capabilities to open function, subsequently, by the data
The network capabilities indication bit of bag resets, recalculate data head inspection and, and the packet is submitted at tcp protocol stack
Reason；After tcp protocol stack process, SYN ack msg bags will be returned, after the network capabilities processing module of SP detects the packet,
By the network capabilities indicating bit set of the TCP header of the packet, show to network side, SP possesses network capabilities request function,
Subsequently recalculate the inspection of data head and be sent to CN.Now, if the APP of SP sides, request was called for the IP of the UE
The API of concrete capability information, then also can send the capability information of concrete request with the SYN ack msgs bag, its
The measure of increase is：
The capability information of concrete request is added to into the tcp data section of the packet；
The length of data is recalculated, and updates the data the data packet length of head and indicated；
Recalculate data head verification and.
505）The network capabilities processing module of CN, detects descending, to carry capability information packet, then：
Corresponding capability information that the SP asked whether charges paid is inquired about, for example, the positional information asked is not
Pay, then the positional information of request is deleted from the packet；
From the packet, detection needs the capability information that CN is opened, and is collected, such as user behavior number
According to；
The length of data is recalculated, and updates the data the data packet length of head and indicated；
Recalculate data head verification and.
By improved packet, AN is transmitted to.
505）The network capabilities processing module of AN, detects descending, to carry capability information packet, then：
From the packet, the capability information that SP is specifically asked is detected, and is collected；
The network capabilities indicating bit of TCP header resets, and in the data segment of TCP, deletes capability information；
The length of data is recalculated, and updates the data the data packet length of head and indicated；
Recalculate data head verification and；
By improved packet, AN is transmitted to.
506）The network capabilities processing module of UE, receives the SYN ack msg bags from AN, hands to the TCP associations of UE sides
View stack is processed.
507）After the side tcp protocol stack of UE processes SYN ack msg bags, ACK, the network capabilities processing module of UE sides are returned
It is passed through into AN.
508）The network capabilities processing module of AN, detects up ack msg bag, then：
By the capability information collected, the tcp data section of the packet is inserted into；
By the network capabilities indicating bit set of the TCP header of the packet；
The length of data is recalculated, and updates the data the data packet length of head and indicated；
The length of data is recalculated, and updates the data the data packet length of head and indicated；
By improved packet, CN is transmitted to.
509）The network capabilities processing module of CN, detects up ack msg bag, then：
By the capability information collected, such as user behavior data is added to the tcp data section of the packet；
The length of data is recalculated, and updates the data the data packet length of head and indicated；
The length of data is recalculated, and updates the data the data packet length of head and indicated；
By improved packet, SP is transmitted to.
The network capabilities processing module of SP sides, receives the ACk packets for carrying capability information from CN, then：
Capability information is detected from the packet；
The network capabilities indicating bit of TCP header resets, and in the data segment of TCP, deletes capability information；
The length of data is recalculated, and updates the data the data packet length of head and indicated；
Recalculate data head verification and；
Improved packet, the tcp protocol stack for being transmitted to SP sides are processed；
Capability information will be detected, by API Calls result, the APP of SP sides will be returned to.
510）The result of this capability information opening is formed a charging note by the network capabilities processing module of CN
Record, sending CG to carries out charging.
511）UE is asked to the get of SP request contents, i.e. HTTP layers, and the network capabilities processing module of UE will be the packet saturating
Pass to AN.
512）The get requests are passed through CN by the network capabilities processing module of AN.
513）The get requests are passed through SP by the network capabilities processing module of CN；
514）The network capabilities processing module of SP sides, the protocol stack that the get requests are transmitted to SP sides are processed.
Explanation：501 to 509 steps, in user to the Transmission Control Protocol connection establishment stage before provider's SP request contents, access
Net AN asks corresponding i.e. to provider SP open networks ability or provider SP after the specific get contents of user are received,
Network capabilities.
Referring to Fig. 6, embodiments of the invention 2 are the tcp data bags of neotectonics carrying capacity information, AN, CN packetization
Open to SP, comprise the following steps that：
601）When user opens an App application or a webpage is opened by browser, will first set up TCP connections,
The SYN packets of a TCP connection request are first sent；If network capabilities processing module is deployed on UE, the net of UE
Network ability processing module is by the packet transparent transmission.
602）The network capabilities processing module of AN detects the packet of uplink and downlink, after receiving from the packet of UE, sentences
The IP break to whether opening network capabilities, if do not opened, need to SP expression AN to possess network capabilities and open function,
Concrete measure is, will be one or more in the reservation bit of the TCP header of the packet（Most 4, hereinafter by these bits
Referred to as " network capabilities indicating bit "）Set, and recalculate the verification of data packet head and the packet is transmitted to into CN finally.
603）The network capabilities processing module of CN, also detects the packet of up-downgoing, when receiving the TCP header net from AN
During the packet of network ability indicating bit set, inquire about whether the SP pays, if charges paid, forward the packet；If unpaid
Take, then the network capabilities indicating bit of TCP header reset, and recalculate data packet head inspection and.
604）The network capabilities processing module of SP, also detects the packet of up-downgoing, when receiving the TCP header net from CN
During the packet of network ability indicating bit set, that is, understand that there is communication net side network capabilities to open function, subsequently, by the data
The network capabilities indication bit of bag resets, recalculate data packet head inspection and, and the packet is submitted to into tcp protocol stack
Process.After tcp protocol stack process, SYN ack msg bags will be returned, the network capabilities processing module of SP detects the packet
Afterwards, by the network capabilities indicating bit set of the TCP header of the packet, show to network side, SP possesses network capabilities request work(
Can, subsequently recalculate the inspection of data packet head and be sent to CN.Now, if the APP of SP sides, call for the IP of the UE
The API or needs inquiry in advance for asking concrete capability information is crossed, then concrete request（Or inquire about in advance）Network
Ability information also can be sent with the SYN ack msgs bag, and its increased measure is：
The capability information of concrete request is added to into the tcp data section of the packet；
The length of packet is recalculated, and updates the data the data packet length in packet header and indicated；
Recalculate data packet head verification and.
605）The network capabilities processing module of CN, detects descending, to carry capability information packet, then：
Corresponding capability information that the SP asked whether charges paid is inquired about, for example, the positional information asked is not
Pay, then the positional information of request is deleted from the packet；
From the packet, detection needs the capability information that CN is opened, such as user behavior data；
The length of packet is recalculated, and updates the data the data packet length in packet header and indicated；
Recalculate data packet head verification and.
By improved packet, AN is transmitted to.
606）The network capabilities processing module of AN, detects descending, to carry capability information packet, then：
From the packet, the capability information that SP is specifically asked is detected；
The network capabilities indicating bit of TCP header resets, and in the data segment of TCP, deletes capability information；
The length of packet is recalculated, and updates the data the data packet length in packet header and indicated；
Recalculate data packet head verification and；
By improved packet, AN is transmitted to.
The network capabilities processing module of UE, receives the SYN ack msg bags from AN, hands to the tcp protocol stack of UE sides
Process.
607）The network capabilities processing module of CN, collection need the capability information that CN is opened, such as user behavior number
According to；
608）The result that the network capabilities processing module of CN will be collected, carries the TCP/ of user behavior data by neotectonics
Packet is sent to SP, and the TCP/ packet methods of neotectonics are：
The source address of data packet head fills out the IP address of UE, and destination address fills out the IP address of SP；
The network capabilities indicating bit set in TCP packet header；
The data segment portion of TCP carries capability information；
The length of the packet is calculated, data packet head verification is calculated and result of calculation is filled up to into the corresponding of data packet head
Position；
The network capabilities processing module of SP sides, receives the TCP/ data for carrying capability information from CN neotectonics
Bag, then：After capability information storage are detected from the packet, the bag is abandoned.
608 the step for, after can also waiting the TCP/ packets for carrying capability information of AN, then pass in the lump
SP。
609）The network capabilities processing module of AN, collects capability information that SP is asked, needing AN to open；
610）The result that the network capabilities processing module of AN will be collected, carries the TCP/ of user behavior data by neotectonics
Packet is sent to CN, and the TCP/ packet methods of neotectonics are：
The source address of data packet head fills out the IP address of UE, and destination address fills out the IP address of SP；
The network capabilities indicating bit set in TCP packet header；
The data segment portion of TCP carries capability information；
The length of the packet is calculated, data packet head verification is calculated and result of calculation is filled up to into the corresponding of data packet head
Position.
611）The TCP/ data that carry network capabilities of the network capabilities processing module forwarding of CN from the neotectonics of AN
Wrap to SP；
The network capabilities processing module of SP sides, after receiving the bag, then：
Capability information is detected from the packet, and the bag is abandoned；
Capability information will be detected, by API Calls result, the APP of SP sides will be returned to；If inquiring about in advance, then
Ability information is preserved, in case returning call result during subsequent API Calls.
612）The result of this capability information opening is formed a charging note by the network capabilities processing module of CN
Record, sending CG to carries out charging.
613）After the side tcp protocol stack of UE processes SYN ack msg bags, ACK, the network capabilities processing module of UE sides are returned
It is passed through into AN.
614）The ack msg bag is passed through CN by the network capabilities processing module of AN sides.
615）The ack msg bag is passed through SP by the network capabilities processing module of CN sides, and the network capabilities of SP sides processes mould
The ack msg bag, the protocol stack for submitting to SP sides are processed by block.
616）UE is asked to the get of SP request contents, i.e. HTTP layers, and the network capabilities processing module of UE will be the packet saturating
Pass to AN.
617）The get requests are passed through CN by the network capabilities processing module of AN.
618）The get requests are passed through SP by the network capabilities processing module of CN；The network capabilities processing module of SP sides, will
The protocol stack that the get requests are transmitted to SP sides is processed.
Above-mentioned 601 to 611 step, can be in user to the TCP connection establishment stages before SP request contents, and AN is opened to SP
Capability information, SP also can just ask corresponding capability information after the specific GET contents of user are received.
Give the correct time in the capability information of AN, CN, can be according to during request, if require periodic report, and report.
The step of between 613～618, may be inserted between step 601～612.
Referring to Fig. 7, embodiments of the invention 3 are that based on specific protocol type or port, AN, CN information is to provider SP
It is open, comprise the following steps that：
The present embodiment 3 with the main distinction of embodiment 1 is：
1）No longer by the reserved bit of tcp data packet header, indicate whether to carry capability information；But pass through
Specific protocol type or port, to provider SP open network abilities；
2）Specific protocol type or port carrying the packet of capability information, are neotectonics packets；
3）The specific protocol type for herein referring to or port, can be configured by NMS network management systems, to avoid possibility
Occur, and existing application collision characteristic protocol type or port；
4）The present embodiment 3, adopts Transmission Control Protocol to illustrate as example with the transport layer between UE and SP, is actually not limited to
Transport layer between UE and SP is using any one of 256 kinds of agreements of Transmission Control Protocol, or TCP/IP protocol suite.
Protocol class model in ICP/IP protocol cluster：
There are 8 bit presentation protocol style numbers, the protocol class model 6 of such as TCP, the agreement of UDP in data packet head
Type is 17, at present, has 133～254 unallocated, and network capabilities opening can also use in 133～254 in protocol type
It is individual.
Port numbers in ICP/IP protocol cluster：
Port address in Transmission Control Protocol and udp data head-coating structure is all 16 bits, can be had in 0---65535
In the range of port numbers.For this 65536 port numbers have following using to specify：
1）Definition of the port numbers less than 256 is well known port, what server was recognized typically all by usual end slogan.
Any TCP/IP realizes that the port numbers between 1---1023 are all used in provided service, is by ICANN（Internet name and numeral
Address assignment agency）Come what is managed；
2）Client need to only ensure the port numbers in the machine be it is unique just can be so that client slogan is because of existence time
It is very of short duration also known as transient port number；
3）Most of TCP/IP realize the port numbers distributed between 1024---5000 to transient port number.More than 5000
Port numbers are for other server reserves.
In the present embodiment 3, udp protocol, and the untapped ports of a specified provider SP can be adopted, ability is carried out
Transmission.Comprise the following steps that：
701）When user opens an App application or a webpage is opened by browser, will first set up TCP connections,
The SYN packets of a TCP connection request are first sent；If network capabilities processing module is deployed on UE, the net of UE
Network ability processing module is by the packet transparent transmission.
702）The network capabilities processing module of AN forwards the SYN packets to CN；
703）The network capabilities processing module of CN forwards the SYN packets to SP, and the network capabilities processing module of SP is received
After the packet, tcp protocol stack process is handed to；
704）After the protocol stack of SP has processed SYN packets, SYN ACK are returned, this is counted by SP network capabilities processing modules
CN is transmitted to according to bag；
705）The network capabilities processing module of CN forwards the SYN ack msg bags to AN；
706）The network capabilities processing module of AN forwards the SYN ack msg bags to UE；The network capabilities processing module of UE
The SYN ack msgs bag is forwarded to process to the protocol stack of UE；
707）After the protocol stack of UE has processed SYN ack msg bags, ACK, the network capabilities processing module forwarding of UE are returned
The ack msg bag is to AN；
708）The network capabilities processing module of AN forwards the ack msg bag to CN；
709）The network capabilities processing module of CN forwards the ack msg bag to SP, and the network capabilities processing module of SP is received
After the packet, tcp protocol stack process is handed to, 701 to 709, TCP builds the three-way handshake of connection and completes；
710）After TCP sets up connection, will be to SP request contents, in HTTP layers, corresponding is GET or other methods, in TCP
Layer, corresponding is the packet that data segment carries content, and the network capabilities processing module of AN forwards the GET packets to AN；
711）The network capabilities processing module of AN forwards the GET packets to CN；
712）The network capabilities processing module of CN forwards the GET packets to SP, and the network capabilities processing module of SP is received
After the packet, tcp protocol stack process is handed to.
713）The network capabilities processing module neotectonics packet of AN, represents possess NSLOOKUP ability to SP, should
The source address of data packet head fills out the IP address of UE, and destination address fills out the IP address of SP；
714）The network capabilities processing module of CN, according to the paid cases according to purpose IP, forwarding or interception；
715）The network capabilities processing module of SP, neotectonics packet, expression possess network information request ability, also can be same
When ask the network information, the source address of the data packet head fills out the IP address of SP, and destination address fills out the IP address of UE；
716）The network capabilities processing module of CN, detects descending, to carry capability information packet, then：
Corresponding capability information that the SP asked whether charges paid is inquired about, for example, the positional information asked is not
Pay, then the positional information of request is deleted from the packet；
From the packet, detection needs the capability information that CN is opened, such as user behavior data；
By improved packet, AN is transmitted to.
717）The network capabilities processing module of CN, collection need the capability information that CN is opened, such as user behavior number
According to；
718）The result that the network capabilities processing module of CN will be collected, carries the data of user behavior data by neotectonics
Bag is sent to SP, and the packet method of neotectonics is：The source address of data packet head fills out the IP address of UE, and destination address fills out the IP of SP
Address；
The network capabilities processing module of SP sides, receives the packet for carrying capability information from CN neotectonics,
Then：After capability information storage are detected from the packet, the bag is abandoned.
718 the step for, after can also waiting the packet for carrying capability information of AN, then SP is passed in the lump.
719）The network capabilities processing module of AN, collects capability information that SP is asked, needing AN to open；
720）The result that the network capabilities processing module of AN will be collected, carries the data of user behavior data by neotectonics
Bag is sent to CN, and the packet method of neotectonics is：The source address of data packet head fills out the IP address of UE, and destination address fills out the IP of SP
Address.
721）CN network capabilities processing module forwarding from AN neotectonics the packet for carrying network capabilities to
SP；
The network capabilities processing module of SP sides, after receiving the packet, then：
Capability information is detected from the packet, and the packet bag is abandoned；
Capability information will be detected, by API Calls result, the APP of SP sides will be returned to；If inquiring about in advance, then
Ability information is preserved, in case returning call result during subsequent API Calls.
722）The result of this capability information opening is formed a charging note by the network capabilities processing module of CN
Record, sending CG to carries out charging.
Referring to Fig. 8, embodiments of the invention 4 are the uplink ACK bags that ability information inserts TCP, are opened to SP, between CN and AN
By the first-class inner passage forwardings of GTP-U, comprise the following steps that
801）When user opens an App application or a webpage is opened by browser, will first set up TCP connections,
The SYN packets of a TCP connection request are first sent；If network capabilities processing module is deployed on UE, the net of UE
Network ability processing module is by the packet transparent transmission.
802）The network capabilities processing module of AN forwards the SYN packets to CN；
803）The network capabilities processing module of CN judges the IP to whether opening net after receiving from the packet of AN
The paid cases of network ability and purpose IP, if not open and charges paid, need to SP expression communication networks side tool
Standby network capabilities opens function, and concrete measure is by the TCP header network capabilities indicating bit set of the packet, and to count again
Calculate the verification of data packet head and the packet is transmitted to into SP finally.
804）The network capabilities processing module of SP, when receiving the TCP header network capabilities indicating bit set from CN
During packet, that is, understand that there is communication net side network capabilities to open function, subsequently, by the network capabilities indication bit of the packet
Reset, recalculate data packet head inspection and, and by the packet submit to tcp protocol stack process.Tcp protocol stack process
Afterwards, SYN ack msg bags will be returned, after the network capabilities processing module of SP detects the packet, by the TCP header of the packet
The network capabilities indicating bit set in portion, shows to network side, SP possesses network capabilities request function, subsequently recalculates packet
Head inspection and, be sent to CN.Now, if the APP of SP sides, the concrete capability information of request was called for the IP of the UE
API or need to inquire about in advance, then concrete request（Or inquire about in advance）Capability information also can be with the SYN ACK
Packet sends, and its increased measure is：
1）The capability information of concrete request is added to into the tcp data section of the packet；
2）The length of packet is recalculated, and updates the data the data packet length in packet header and indicated；
3）Recalculate data packet head verification and.
805）The network capabilities processing module of CN, detects descending, to carry capability information packet, then：
1）From the packet, detection needs open capability information；
2）The length of packet is recalculated, and updates the data the data packet length in packet header and indicated；
3）Recalculate data packet head verification and.
4）By improved packet, AN is transmitted to.
806）The packet is transmitted to UE by the network capabilities processing module of AN, and this is counted by the network capabilities processing module of UE
Protocol stack process is handed to according to bag；
807）The network capabilities processing module of CN, the capability information that SP is asked, needs are opened by AN, passes through
The first-class inner passages of GTP-U, inquire about to AN；The capability information for needing to be opened by CN is collected simultaneously；
808）The result that the network capabilities processing module of AN will be collected, returns to CN by the first-class inner passages of GTP-U；
809）After the side tcp protocol stack of UE processes SYN ack msg bags, ACK, the network capabilities processing module of UE sides are returned
It is passed through into AN.
810）The ack msg bag is passed through CN by the network capabilities processing module of AN sides.
811）The network capabilities processing module of CN, detects up ack msg bag, then：
1）By the capability information collected, it is added to the tcp data section of the packet；
2）The length of packet is recalculated, and updates the data the data packet length in packet header and indicated；
3）The length of packet is recalculated, and updates the data the data packet length in packet header and indicated；
4）By improved packet, SP is transmitted to.
The network capabilities processing module of SP sides, receives the ACk packets for carrying capability information from CN, then：
1）Capability information is detected from the packet；
2）The network capabilities indicating bit of TCP header resets, and in the data segment of TCP, deletes capability information；
3）The length of packet is recalculated, and updates the data the data packet length in packet header and indicated；
4）Recalculate data packet head verification and；
5）Improved packet, the tcp protocol stack for being transmitted to SP sides are processed；
6）Capability information will be detected, by API Calls result, the APP of SP sides will be returned to；If inquiring about in advance,
Then ability information is preserved, in case returning call result during subsequent API Calls.
812）The result of this capability information opening is formed a charging note by the network capabilities processing module of CN
Record, sending CG to carries out charging.
813）UE is asked to the get of SP request contents, i.e. HTTP layers, and the network capabilities processing module of UE will be the packet saturating
Pass to AN.
814）The get requests are passed through CN by the network capabilities processing module of AN.
815）The get requests are passed through SP by the network capabilities processing module of CN；The network capabilities processing module of SP sides, will
The protocol stack that the get requests are transmitted to SP sides is processed.
Referring to Fig. 9, embodiments of the invention 5 are, based on specific protocol type or port, to open to SP, are led between CN and AN
The first-class inner passage forwardings of GTP-U are crossed, which comprises the following steps that：
901）When user opens an App application or a webpage is opened by browser, will first set up TCP connections,
The SYN packets of a TCP connection request are first sent；If network capabilities processing module is deployed on UE, the net of UE
Network ability processing module is by the packet transparent transmission.
902）The network capabilities processing module of AN forwards the SYN packets to CN；
903）The network capabilities processing module of CN forwards the SYN packets to SP, and the network capabilities processing module of SP is received
After the packet, tcp protocol stack process is handed to；
904）After the protocol stack of SP has processed SYN packets, SYN ACK are returned, this is counted by SP network capabilities processing modules
CN is transmitted to according to bag；
905）The network capabilities processing module of CN forwards the SYN ack msg bags to AN；
906）The network capabilities processing module of AN forwards the SYN ack msg bags to UE；The network capabilities processing module of UE
The SYN ack msgs bag is forwarded to process to the protocol stack of UE；
907）After the protocol stack of UE has processed SYN ack msg bags, ACK, the network capabilities processing module forwarding of UE are returned
The ack msg bag is to AN；
908）The network capabilities processing module of AN forwards the ack msg bag to CN；
909）The network capabilities processing module of CN forwards the ack msg bag to SP, and the network capabilities processing module of SP is received
After the packet, tcp protocol stack process is handed to, 701 to 709, TCP builds the three-way handshake of connection and completes；
910）After TCP sets up connection, will be to SP request contents, in HTTP layers, corresponding is GET or other methods, in TCP
Layer, corresponding is the packet that data segment carries content, and the network capabilities processing module of AN forwards the GET packets to arrive
AN；
911）The network capabilities processing module of AN forwards the GET packets to CN；
912）The network capabilities processing module of CN forwards the GET packets to SP, and the network capabilities processing module of SP is received
After the packet, tcp protocol stack process is handed to.
913）The network capabilities processing module of CN, according to the paid cases of SP, neotectonics packet, represents possess net to SP
Network information inquiry ability, the source address of the data packet head fill out the IP address of UE, and destination address fills out the IP address of SP；
914）The network capabilities processing module of SP, neotectonics packet, expression possess network information request ability, also can be same
When ask the network information, the source address of the data packet head fills out the IP address of SP, and destination address fills out the IP address of UE；
915）The network capabilities processing module of CN, the capability information that SP is asked, needs are opened by AN, passes through
The first-class inner passages of GTP-U, inquire about to AN；The capability information for needing to be opened by CN is collected simultaneously；
916）The result that the network capabilities processing module of AN will be collected, returns to CN by the first-class inner passages of GTP-U；
917）The result that the network capabilities processing module of CN will be collected, carries the data of user behavior data by neotectonics
Bag is sent to SP, and the packet method of neotectonics is：The source address of data packet head fills out the IP address of UE, and destination address fills out the IP of SP
Address；
The network capabilities processing module of SP sides, receives the packet for carrying capability information from CN neotectonics,
Then：After capability information storage are detected from the packet, the bag is abandoned.
918）The result of this capability information opening is formed a charging note by the network capabilities processing module of CN
Record, sending CG to carries out charging.
Claims (10)
1. a kind of network capabilities opening method based on service channel, comprises the following steps：
1) packet detection；
When communication net side has up packet in detecting service channel, into step 2) process；The communication network includes connecing
Network and core net；
2) capability information opens the negotiation of function；
Communication net side will be provided with capability information open function mark set to step 1) in up packet or set
Into the communication newly-built packet of net side, then up packet or newly-built packet are transmitted to carrying by service channel
For business；
3) provider's request capability information；
Content to communication net side request capability information is loaded onto data in descending packet or newly-built by provider
Bao Zhong, if there is the mark of request capability information in provider itself, by mark also set to descending packet or
In newly-built packet, then descending packet or newly-built packet are sent to communication net side by service channel；
4) communication network uploads capability information；
Communication network acquisition step 3) in request capability information, and the capability information for collecting is loaded onto up
Packet is loaded onto in newly-built packet, is uploaded to provider by service channel.
2. the network capabilities opening method based on service channel according to claim or 1, it is characterised in that：The step
3) in, if to the capability information of communication net side request, provider includes that access network and core net are carried respectively by service channel
For capability information when, be handled as follows：
If core net possess capability information open function, access network by the capability information of provider's demand send to
Core net, core net is by all information transfers of provider's demand to provider；Or access network and core net are respectively by network energy
Force information is transmitted to provider；
If core net does not possess capability information opens function, access network is directly by all information transfers of provider's demand
To provider.
3. the network capabilities opening method based on service channel according to claim 1 and 2, it is characterised in that：It is described to connect
The capability information for providing that networks includes customer position information, cell ID, small area jam information, link quality information, link
Speed；The capability information that the core net is provided includes user behavior data.
4. the network capabilities opening method based on service channel according to claim 3, it is characterised in that：The step 2)
It is middle mark set be that mark is loaded onto into step 1 to up packet) in up TCP bags head reserved bit；
Mark set to newdata bag is mark to be loaded onto the head reserved bit of newly-built tcp data bag or is loaded onto newly-built
Agreement ICP/IP protocol type or the packet of port.
5. the network capabilities opening method based on service channel according to claim 4, it is characterised in that：The step 3)
Mark set to descending packet is the head reserved bit that mark is loaded onto descending TCP bags；
Or mark set to newdata bag is mark to be loaded onto the head reserved bit of newly-built tcp data bag or is loaded onto new
The ICP/IP protocol type or the packet of port of the agreement built.
6. the network capabilities opening method based on service channel according to claim 5, it is characterised in that：In the method also
Including configuration step：By the position of each cell or each port in network management configuration access network, user is inquired about when provider
During position, the cell at its place or the position of port are returned to, or according to the requirement of provider, is started to the accurate fixed of the user
Position.
7. the network capabilities opening method based on service channel according to claim 6, it is characterised in that：The step 4)
In when unpaid provider asks capability information, core net will be intercepted and corresponding carry network capabilities relevant information
Packet；Or core net transforms the packet so as to after not carrying network capabilities relevant information, then uploaded by service channel
To provider.
8. the network capabilities opening method based on service channel according to claim 7, it is characterised in that：In the method also
Including step 5) core net by detection data bag content, records the query type and number of times of capability information.
9. a kind of device of the network capabilities opening method based on service channel realized described in claim 1, it is characterised in that：
The device includes that access network network capabilities processing module, core net network capabilities processing module and provider network ability process mould
Block, the access network network capabilities processing module passes through core net network capabilities processing module and provider network ability processes mould
Block connects；Wherein：
Access network network capabilities processing module is responsible for,
1) collection to capability information；
2) from packet, insert or detect capability information；
Core net network capabilities processing module is responsible for：
1) collection to capability information；
2) respectively the packet of access network access network side and provider side is detected, if provider is non-paid, to carrying
The data of capability information are intercepted, or are transformed so as to do not carry capability information；
If 3) allow provider to inquire about network capabilities, Query Result is reported and submitted to charging gateway to charge；
Provider network ability processing module is responsible for：
1) the network capabilities call request using business APP is received, then neotectonics data or network is inserted in data with existing bag
Ability information；
2) to coming from the packet of access network, from capability information is wherein detected, submit to and apply business.
10. the device that the network capabilities based on service channel according to claim 9 is opened, it is characterised in that：The device
Also include user terminal network ability processing module, user terminal network ability processing module processes mould with access network network capabilities
Block connects.
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| CN105491557B (en) * | 2014-09-15 | 2020-04-21 | 中兴通讯股份有限公司 | System and method for realizing capability opening and capability opening platform |
| CN106211137A (en) * | 2015-04-29 | 2016-12-07 | 中国移动通信集团公司 | A kind of mobile network's ability opening method and SCEF, mobile network system |
| CN106304035A (en) | 2015-05-22 | 2017-01-04 | 中兴通讯股份有限公司 | A kind of ability opening method and system, the open functional entity of ability |
| CN109818868B (en) | 2017-11-20 | 2021-06-22 | 中兴通讯股份有限公司 | Method, device, equipment and storage medium for realizing edge network capability opening |
| CN110769466B (en) * | 2018-07-26 | 2023-09-05 | 中国移动通信有限公司研究院 | Information sending and receiving method, service and network quality regulation method, device and equipment |
| CN113300899B (en) * | 2020-04-15 | 2022-08-30 | 阿里巴巴集团控股有限公司 | Network capability opening method, network system, device and storage medium |
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