CN105682087A - Business routing method and base station - Google Patents
Business routing method and base station Download PDFInfo
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- CN105682087A CN105682087A CN201610009526.5A CN201610009526A CN105682087A CN 105682087 A CN105682087 A CN 105682087A CN 201610009526 A CN201610009526 A CN 201610009526A CN 105682087 A CN105682087 A CN 105682087A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
Abstract
The invention provides a business routing method and a base station. The method comprises the steps of: receiving a first business request sent by local UE; determining the first business request as a non LBO business request; modifying a local IP address of the UE in the first business request into a remote IP address to generate a second business request; and sending the second business request to an operator SGW, thus allowing the operator SGW to send the second business request to a PGW of the corresponding operator. The invention further provides a base station employing the method. By adopting the business routing method in the technical scheme provided by the invention, when the UE in an enterprise accesses to an external operator network and initiates non LBO business, correct routing of the non LBO business can be realized. Therefore, the business routing method provided by the embodiment can be used for ensuring the accuracy of a user in the enterprise to request the non LBO business and improving the performance and the efficiency of the non LBO business.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of service routing method and base station.
Background technology
Along with the high speed development of intelligent terminal, video technique, the data in mobile network are explosive growth,In order to alleviate mobile core network as block core evolution (EvolvedPacketCore; EPC) pressure of network,The data message of some low value-added business can be routed directly to from this locality public data network (PublicDataNetwork; PDN), in, realize the local unloading of flow (LocalBreakOut; LBO). Therefore, LBOScene in an increasingly wide range of applications in mobile network.
For example, enterprise, garden, mansion be in order to strengthen the covering of enterprise, garden, or in order to giveUnder it, employee strives for more preferential rate, can select the cooperation networking with operator, and enterprise providesBase station site assists operator to build base station to strengthen wireless signal covering, is combined with limit broadband network and does this localityUnloading, can consult to win more preferential network rate for enterprises employee with operator. ForOperator, enterprise is that operator is when having solved siting of station problem, for operator has developed visitorFamily. For example enterprise staff is walked out garden and can be accessed by the macro base station of operator, and due to enterprise's numberAccording to the local unloading of flow, for operator has saved a large amount of core net dilatation expenses. Subscriber equipment (UserEquipment; UE) after user-network access, the agreement (InternetProtocol interconnecting between its network; IP)Data message is directly out routed to Internet from base station, base station is as last of mobile network applianceJump, by customer service via local broadband by data local routing in Internet. Therefore, base station is doneFor the unloading point of LBO. Different users need to be distinguished in base station, for example, for the UE that belongs to enterprisesJust do local unloading, for example, for the UE (accessing guest, the client of this enterprise) accessing outside enterpriseDo not do local unloading.
But realizing in process of the present invention, inventor finds at least to exist in prior art following lackingPoint: in prior art, the business of initiating for the UE in enterprise also can comprise LBO business and non-LBO business, for example, in the time of the outside operator of access, the business of initiation is non-LBO business, and nowCannot carry out correct route to the non-LBO business of UE.
Summary of the invention
The invention provides a kind of service routing method and base station, to overcome in prior art as the UE in enterpriseWhile accessing outside operator, the business of initiation is non-LBO business, and now cannot be to the non-LBO of UEBusiness is carried out the technical problem of correct route.
The invention provides a kind of service routing method, comprising:
Receive the first service request that local subscriber equipment sends, in described the first service request, carry instituteState the local ip address of subscriber equipment;
Determine that described the first service request is non-local unloading service request;
The far-end IP address that the packet data gateway that obtains operator is described user equipment allocation;
The described local ip address of the described subscriber equipment in described the first service request is revised as described far awayEnd IP address, to generate the second service request;
Send described the second service request to operator's gateway, for described operator gateway toThe packet data gateway of corresponding operator sends described the second service request.
Further alternatively, in method as above, determine that described the first service request is non-local unloadingCarry service request, specifically comprise:
From described the first service request receiving, extract service feature;
According to described service feature and described local unloading business game, determine that described the first service request isNo is non-local unloading service request.
Further alternatively, in method as above, described service feature comprise following at least one:The object IP address of type of service, service request message, service request source port, service request destinationThe procotol that mouth and service request are used.
Further alternatively, in method as above, describedly send described to operator's gatewayTwo service request, send to the packet data gateway of corresponding operator for described operator gatewayAfter described the second service request, described method also comprises:
Receive the downlink data message that described operator gateway sends; In described downlink data message, takeWith the described far-end IP address of described subscriber equipment; Described downlink data message is the grouping of described operatorData gateway sends to described operator gateway;
Described far-end IP address in described downlink data message is revised as to described local ip address;
According to described local ip address, send described downlink data message to the described subscriber equipment of correspondence.
Further alternatively, in method as above, described in the packet data gateway that obtains operator isThe far-end IP address of user equipment allocation, specifically comprises:
Send the access carrier network request of the mark of carrying described subscriber equipment to mobile management entity,Set up service conversation for described mobile management entity to operator's gateway request, and by described operationBusiness's gateway sends and sets up conversation request message to the packet data gateway of described operator;
That intercepts and captures that described mobile management entity sends to the described subscriber equipment of correspondence carries described far-end IP groundThe described non-access layer information of location; The packet data gateway that described far-end IP address is described operator is instituteState user equipment allocation, and send to described mobile management entity by described operator gateway;
From described non-access layer information, obtain described far-end IP address;
Or, the far-end IP address that the packet data gateway that obtains operator is described user equipment allocation,Specifically comprise:
Send the access carrier network request of the mark of carrying described subscriber equipment to mobile management entity,Set up service conversation for described mobile management entity to operator's gateway request, by described operatorGateway sends and sets up conversation request message to the packet data gateway of described operator, by described operationBusiness's packet data gateway is far-end IP address described in corresponding described user equipment allocation, and passes through according to thisDescribed operator gateway sends to described mobile management entity;
Receive the far-end address notification message that described mobile management entity sends, described far-end address notice disappearsIn breath, carry described far-end IP address;
From described far-end address notification message, obtain described far-end IP address.
The present invention also provides a kind of base station, and described base station comprises:
Receiver module, the first service request sending for receiving local subscriber equipment, described the first industryIn business request, carry the local ip address of described subscriber equipment;
Determination module, for determining that described the first service request is non-local unloading service request;
Acquisition module, for obtaining the far-end that the packet data gateway of operator is described user equipment allocationIP address;
Modified module, for by the described local IP ground of the described subscriber equipment of described the first service requestDescribed far-end IP address is revised as in location, to generate the second service request;
Sending module, for send described the second service request to operator's gateway, for described fortuneThe business of battalion gateway sends amended described service request to the packet data gateway of corresponding operator.
Further alternatively, in base station as above, described determination module, specifically for from receivingDescribed the first service request in extract service feature; According to described service feature and described local unloading industryBusiness strategy, determines that described the first service request is non-local unloading service request.
Further alternatively, in base station as above, described service feature comprise following at least one:The object IP address of type of service, service request message, service request source port, service request destinationThe procotol that mouth and service request are used.
Further alternatively, in base station as above, described receiver module, also for receiving described fortuneThe downlink data message that the business of battalion gateway sends; In described downlink data message, carry described subscriber equipmentDescribed far-end IP address; Described downlink data message is that the packet data gateway of described operator sends toDescribed operator gateway;
Described modified module, also for being revised as the described far-end IP address of described downlink data messageDescribed local ip address;
Described sending module, also, for according to described local ip address, sends out to the described subscriber equipment of correspondenceSend described downlink data message.
Further alternatively, in base station as above, described acquisition module, specifically for to movable pipeReason entity sends the access carrier network request of the mark of carrying described subscriber equipment, for described movementManagement entity is set up service conversation to operator's gateway request, and by described operator gateway toThe packet data gateway of described operator sends sets up conversation request message; Intercept and capture described mobile management entityThe described non-access layer information that carries described far-end IP address sending to the described subscriber equipment of correspondence; InstituteThe packet data gateway of stating far-end IP address and be described operator is described user equipment allocation, and passes through instituteState operator gateway and send to described mobile management entity; From described non-access layer information, obtainDescribed far-end IP address;
Or described acquisition module, specifically for sending and carry described subscriber equipment to mobile management entityThe access carrier network request of mark, please to operator's gateway for described mobile management entityAsk and set up service conversation, sent to the packet data gateway of described operator by described operator gatewaySetting up conversation request message, is that corresponding described subscriber equipment divides by the packet data gateway of described operatorJoin described far-end IP address, and send to described mobile management real by described operator gateway according to thisBody; Receive the far-end address notification message that described mobile management entity sends, described far-end address notice disappearsIn breath, carry described far-end IP address; From described far-end address notification message, obtain described far-end IP groundLocation.
Service routing method of the present invention and base station, the first industry sending by receiving local subscriber equipmentBusiness is asked, and carries the local ip address of described subscriber equipment in described the first service request; Determine describedOne service request is non-local unloading service request; The packet data gateway that obtains operator is described userThe far-end IP address of devices allocation; By described this locality of the described subscriber equipment in described the first service requestIP is revised as address described far-end IP address, to generate the second service request; Send out to operator's gatewaySend described the second service request, the grouped data for described operator gateway to corresponding operatorGateway sends described the second service request, accesses outside operator thereby can realize as the UE in enterprise,While initiating non-LBO business, this non-LBO business is carried out to correct route. Therefore, the industry of the present embodimentBusiness routing plan, can ensure that user in enterprise asks the accuracy of non-LBO business, improves non-LBOThe performance of business and efficiency.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to realityThe accompanying drawing of executing required use in example or description of the Prior Art is briefly described, apparently, underAccompanying drawing in face description is some embodiments of the present invention, for those of ordinary skill in the art,Do not pay under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The flow chart of Fig. 1 service routing method embodiment mono-provided by the invention.
Fig. 2 is the flow chart of service routing method embodiment bis-of the present invention.
Fig. 3 is the signaling diagram of service routing method embodiment tri-of the present invention.
Fig. 4 is the structural representation of base station embodiment mono-of the present invention.
Detailed description of the invention
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with thisAccompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,Obviously, described embodiment is the present invention's part embodiment, instead of whole embodiment. Based onEmbodiment in the present invention, those of ordinary skill in the art obtain not making under creative work prerequisiteThe every other embodiment obtaining, belongs to the scope of protection of the invention.
In practical application, base station, can be by customer service via this as the final jump of mobile network applianceGround broadband by data local routing in Internet. Base station, as local unloading point, therefore needs base station energyEnough district offices need the user of LBO. And at the beginning of LTE network design, in order to strengthen the security of network,The NAS message of transmitting between UE and MME is normally encrypted, and eNodeB cannot be known user's letterBreath. Therefore, eNodeB, in the time of transmitting-receiving user's business datum, cannot distinguish user, can not be optionallyCertain customers are carried out to LBO processing. And in order to solve this technical problem, need to be in enterprise, garden orIn person mansion, distinguish different users and select whether this user's data are carried out to this locality unloading, rightJust do local unloading in the user who belongs to enterprises, and (for example access and be somebody's turn to do for the user of enterprise outsideThe guest of enterprise, client) and do not do local unloading. For example, this locality unloads in processing procedure particularlyData message handling process, specifically can be as follows:
1, the upper configuration of MME enterprise customer's white list and NAS encryption policy, establishes for belonging to enterprise customerStandby NAS message is not encrypted;
Enterprise customer's white list of the upper configuration of MME comprises multiple default enterprise customers' UEIMSI. NAS encryption policy be UE that each IMSI is corresponding in the time carrying out NAS safe handling, determine notTo its encryption.
2, MME receives the NAS access request of UE, determines according to configured NAS encryption policyWhether the NAS message of this UE is encrypted;
Particularly, MME extracts the IMSI of the UE of enterprise from access request message, from configured enterpriseIn industry user's white list, search the IMSI of this UE, if found, determine and the NAS of this UE is not disappearedBreath is encrypted; If do not found, can there be following two kinds of modes of operation: determine the NAS to this UEMessage encryption, or the base station of notice UE access reselects MME;
3, the UE not encrypting for NAS message, UE's extracted in base station from the NAS message of UEIP address, if extracted successfully, determines that this UE is the UE of enterprise, performs step 4; If extractedFailure, based on normal process, sends to carrier network by flow;
4, the IP address of UE is extracted in base station from the NAS message of UE, stores this IP address, simultaneouslyE-RAB corresponding to the IP address of this UE done to LBO mark, and set up the IP address of UE with to drinkThe ID of E-RAB between corresponding relation, as this locality unloading business game relation.
4, base station is based on this locality unloading business game relation, for the uplink and downlink business number of the UE receivingCarrying out this locality unloading according to message processes.
Particularly, the data message sending by E-RAB is received in base station, if in this locality unloading business planThe ID that slightly includes this E-RAB in relation, directly sends it, i.e. LocalBreakoutGoing out, if this E-RAB is not designated LBO, is non-LBO business datum, according to standardFlow process is delivered to GTP processing module, carries out encapsulation process by GTP processing module, and sends after encapsulationGTP message is given the corresponding gateway (ServingGateway of operator; The SGW of operator). In like manner,Base station is for the downlink service data of the UE receiving, by the object IP address lookup of this downlink messageLBO mark, then send to UE by corresponding E-RAB.
At the beginning of LTE network design, in order to strengthen the security of network, between UE and MME, transmitNAS message is normally encrypted, and base station (eNodeB) cannot know the information of UE. Therefore, eNodeBIn the time of transmitting-receiving user's business datum, cannot distinguish user, can not optionally carry out certain customersLBO. In above-mentioned application scenarios, solve this problem, realize for the use that belongs to enterprisesThe flow at family does local unloading, but user's business is not analyzed, and cannot realize the use of enterpriseThe business that some non-local unloadings are carried out in family again. The present invention can realize specific user is carried out to flowWhen local unloading, allow user to carry out non-local unloading business. Require base station as local unloading point,Need on base station, can distinguish user and certain business of LBO. The present invention is based on above scenePropose, in detail can be with reference to the record of following embodiment.
The flow chart of Fig. 1 service routing method embodiment mono-provided by the invention. As shown in Figure 1, this realityExecute routine service routing method, specifically can comprise the steps:
100, receive the first service request that local UE sends;
In this first service request, carry the local ip address of UE. In the time of UE that UE is certain enterprise,The local ip address of the present embodiment refers to the IP address of this UE in the network of this enterprise.
101, determine that the first service request is non-LBO service request;
When the UE that the present embodiment is mainly used in receiving enterprise accesses outside operator, initiate non-LBO businessTime, if carry out correct route. Therefore this step determines that this first service request is non-LBO business.In practical application, in the time that this business is LBO business, the relevant record that adopts above-mentioned LBO to process, at thisRepeat no more.
102, obtain the packet data gateway (PacketDataNetworkGateway of operator; PGW)For the far-end IP address of UE distribution;
That is to say, UE, in the corresponding local IP address of enterprises, is carrying out local unloading placeWhen reason, use this local ip address. In the time carrying out non-LBO business, the PGW of operator is also this UEDistribute a far-end IP address, be convenient to the normal route of this non-LBO business.
103, the local ip address of the UE in the first service request is revised as to far-end IP address, with lifeBecome the second service request;
For the ease of the correct route in carrier network of this non-LBO business, in the present embodiment, needThe local ip address of this UE in this service request to be revised as to far-end IP address.
104, to the gateway (ServingGateway of operator; The SGW of operator) transmission the second industryBusiness request, sends the second service request for the SGW of operator to the PGW of corresponding operator.
The IP address of carrying in the second service request is far-end IP address, and the SGW of operator receives like thisAfter this second service request, just can send this service request of second, PGW to the PGW of operator, just can process the business of this UE according to the far-end IP address of carrying according to the second service request.
The service routing method of the present embodiment, the first service request sending by receiving local UE;Determine that the first service request is non-LBO service request; By the local IP of the UE lower than in service requestFar-end IP address is revised as in address, to generate the second service request; To gateway operator of operatorSGW sends the second service request, sends for the SGW of operator to the PGW of corresponding operatorTwo service request, access outside operator thereby can realize as the UE in enterprise, initiate non-LBO industryWhen business, this non-LBO business is carried out to correct route. Therefore, the service routing method of the present embodiment, energyEnough ensure that user in enterprise asks the accuracy of non-LBO business, improves performance and the effect of non-LBO businessRate.
Further alternatively, on the basis of above-mentioned technical scheme embodiment illustrated in fig. 1, wherein step101 " determining that the first service request is non-LBO service request ", specifically can comprise the steps:
(1) from the first service request receiving, extract service feature;
(2) according to service feature and local unloading business game, determine that the first service request is non-LBOService request.
The service feature of for example the present embodiment can comprise following at least one: type of service, service requestObject IP address, service request source port, service request destination interface and the service request of message makeWith procotol. Local unloading business game can adopt one or more service feature to arrange,The first service request that for example comprises service feature A is non-LBO business, or comprises service feature AWith the first service request of B be non-LBO business etc., according to similar set-up mode, this locality can be setUnloading business game, can comprise a strategy, two strategies or multiple in local unloading business gameStrategy.
Further alternatively, on the basis of the technical scheme of above-described embodiment, wherein step 102 " is obtainedThe PGW of operator is the far-end IP address that UE distributes ", specifically can comprise following two kinds of modes:
In first kind of way, comprise the steps:
(a) send to MME the access carrier network request that carries UE mark, for MME toService conversation is set up in the SGW of operator request, is sent and sets up to the PGW of operator by the SGW of operatorConversation request message, is that UE distributes far-end IP address by the PGW of operator, and successively by operationBusiness SGW sends to MME, is sent the non-access layer information that carries far-end IP address by MME to UE;
Wherein the mark of UE is specifically as follows the international mobile subscriber identity (International of UEMobileSubscriberIdentificationNumber；IMSI)。
(b) intercept and capture the Non-Access Stratum (Non-Access that carries far-end IP address that MME sends to UEStratum; NAS) message;
(c) from NAS message, obtain far-end IP address.
In the second way, comprise the steps:
(a1) carry the access carrier network request of the mark of UE to MME transmission, for MMESet up service conversation to the SGW of operator request, send and build to the PGW of operator by the SGW of operatorVertical conversation request message, is that UE distributes far-end IP address by the PGW of operator, and according to this by fortuneThe business SGW of battalion sends to MME; In like manner, the IMSI that is designated UE of UE wherein.
(b1) receive the far-end address notification message that MME sends, in far-end address notification message, carryFar-end IP address;
(c1) from far-end address notification message, obtain far-end IP address.
The PGW that all can get operator by above-mentioned two kinds of modes is the far-end IP ground that UE distributesLocation.
Further alternatively, step (a) in the above-described embodiments " sends the second industry to the SGW of operatorBusiness request, sends the second service request for the SGW of operator to the PGW of corresponding operator " afterwards,Described method also comprises:
(s1) receive the downlink data message that the SGW of operator sends; In this downlink data message, carryThe far-end IP address of UE; This downlink data message is that the PGW of operator sends to the SGW's of operator;
(s2) far-end IP address in downlink data message is revised as to local ip address;
(s3), according to local ip address, send downlink data message to corresponding UE.
The service routing method of above-described embodiment, by adopting technique scheme, can realize and work as enterpriseInterior UE accesses outside operator, while initiating non-LBO business, this non-LBO business is carried out correctlyRoute. Therefore, the service routing method of the present embodiment, can ensure that in enterprise, user asks non-LBO industryThe accuracy of business, improves performance and the efficiency of non-LBO business.
Fig. 2 is the flow chart of service routing method embodiment bis-of the present invention. As shown in Figure 2, this enforcementThe service routing method of example is on the basis of above-mentioned technical scheme embodiment illustrated in fig. 2, further moreAt length introduce technical scheme of the present invention. As shown in Figure 2, the service routing method of the present embodiment, toolBody can comprise the steps:
200, the upper configuration of MME enterprise customer white list;
This IMSI white list comprises the IMSI of multiple default enterprise customers' UE, and correspondence is setNAS encryption policy be UE that each IMSI is corresponding in the time carrying out NAS safe handling, determine not to itEncrypt. Like this, base station (eNodeB) can extract the IP ground of UE from unencrypted NAS messageLocation.
201, this locality of the upper configuration service data of eNodeB unloading business game;
The service feature that for example local unloading business game comprises can comprise following at least one: businessThe object IP address of type, service request message, service request source port, service request destination interface withAnd the procotol that uses of service request. Specifically can determine local unloading business plan by service featureSlightly.
202, eNodeB receives the service request of UE, carries service feature and UE in this service requestIP address;
203, eNodeB extracts service feature from service request;
204, whether eNodeB determines this service request according to this service feature and local unloading business gameFor this locality unloading business; In the time that this service request is non-local unloading business, execution step 205; OtherwiseIn the time that this service request is local unloading business, the business that this service request is corresponding is carried out to local unloading placeReason;
Particularly, eNodeB extracts type of service, object IP or service port from business request messageNumber wait service feature, from configured this locality unloading business game table, search corresponding this locality unloading businessStrategy, determines whether this business to carry out this locality unloading according to Query Result, if found, determining shouldBusiness corresponding to service request is local unloading business; Search else if less than, determine this service requestCorresponding business is non-local unloading business.
205, eNodeB sends access request message by MME to the SGW of operator;
For example, eNodeB first sends access request message to MME, in this access request message, carries and connectsEnter the instruction to carrier network; The mark that also carries UE in this access request message is for example concreteFor the IMSI of UE. Simultaneously by the service request of buffer memory UE; Then MME receives access carrierThe Indication message of network, initiates the session of setting up access carrier network, to operation to the SGW of operatorBusiness SGW sends CreateSessionRequest.
206, the SGW of operator sends CreateSessionRequest message to PGW, and PGW is to fortuneThe business SGW of battalion replys CreateSessionResponse, between the SGW of operator and PGW, sets up businessTunnel, the SGW of operator obtains the RemoteIP address that carrier network is UE distribution simultaneously;
207, the SGW of operator replys CreateSessionResponse to MME, and obtains operatorNetwork is the RemoteIP that UE distributes;
208, MME replys (attachaccept) NAS message by access again and sends to eNodeBThe RemoteIP address of UE;
209, eNodeB intercepts and captures the NASAttachaccept message of MME to UE, and therefrom extractsThe remoteIP of UE;
210, eNodeB revises the source IP address of the business request information of buffer memory (being UElocalIP)For UERemoteIP, then by the SGW of operator, PGW sends to service server.
The uplink message of the non-local unloading of follow-up UE also does same processing.
211, eNodeB receives the UE downlink data message of sending from PGW, the SGW of operator,ENodeB sends to UE after the object IP in this message is replaced with to UELocalIP.
The downlink message of the non-local unloading of follow-up UE also does same processing.
The service routing method of the present embodiment, by adopt such scheme can allow specific user to do simultaneouslyThe local unloading of flow and non-local unloading business.
The service routing method of the present embodiment, by adopting technique scheme, can realize when in enterpriseUE access outside operator, while initiating non-LBO business, this non-LBO business is carried out to correct roadBy. Therefore, the service routing method of the present embodiment, can ensure that in enterprise, user asks non-LBO businessAccuracy, improve performance and the efficiency of non-LBO business.
Fig. 3 is the signaling diagram of service routing method embodiment tri-of the present invention. The business route of the present embodimentIn method, enterprise deployment base station (Smallcell) is eNodeB, carries out this locality unload for enterprises userCarry, and this Smallcell also allows user's access outside enterprise, but the user of enterprise outside is not carried out to this localityUnloading. Enterprise disposes local MME (LocalMME simultaneously; And local operator service L-MME)Gateway (LocalServingGateway; The SGW of L-operator). The SGW of this L-operator only forSupport the business of non-local unloading. As shown in Figure 3, the service routing method of the present embodiment, specifically canComprise the steps:
300, the local unloading of the upper configuration of eNodeB business game.
For example can be according to the object IP address of service request message, service request source port, service requestThe procotol that destination interface and service request are used etc. is defined as local unloading business or non-localUnloading business, thus determine local unloading business game.
301, IMSI white list of the upper configuration of L-MME, configures an IMSI list, only forThe UE of IMSI in list, in the time carrying out NAS safe handling, determines not to its encryption.
302, enterprises UE starts to be attached to mobile network, and MME checks in the white list configuringIMSI, determines the not NAS message encryption to this UE, uses the NAS for encrypting between UE and MMEMessage completes NAS interacting message.
The present embodiment is taking this UE as enterprises UE is as example, and corresponding NAS encryption policy is to enterpriseThe NAS message of the UE of portion is not encrypted in the industry.
303, eNodeB obtains the IP address of UE from unencrypted NAS message, and record; ShouldThis locality unloading is carried out for the follow-up data message for UE corresponding to this IP address in the IP address of UE.This IP is the IP of local unloading use, the following LocalIP that is referred to as UE.
304, the eNodeB moment is monitored the datagram of this UE according to configured this locality unloading business gameLiterary composition, so that do the business of local unloading to this UE.
305, UE initiates non-LBO service request.
306, eNodeB receives non-LBO service request buffer memory.
307, eNodeB sends the access carrier network request message of the mark of carrying UE to MME,In this message, carry the instruction of access carrier network, or the instruction of non-LBO service access.
Wherein the mark of UE can be the IMSI of UE.
308, MME sends CreateSessionRequest message to the SGW of operator, and request is set upService conversation.
309, the SGW of operator disappears to the PGW transmission CreateSessionRequest of carrier networkBreath.
310, PGW sends CreateSessionResponse message to the SGW of operator, in this messageCarry the IP address that the PGW of operator distributes to UE, the following UERemoteIP that is called.
311, the SGW of operator sends CreateSessionResponse message to MME, in this messageCarrying carrier network is the UERemoteIP that UE distributes.
312, MME sends AttachAcceptNAS message by eNodeB to UE, in this messageCarry UERemoteIP.
313, eNodeB intercepting and capturing MME sends to the AttachAcceptNAS message of UE, therefrom obtainsGet UERemoteIP.
314, the source IP in the service request message of the non-LBO of buffer memory is revised as UE by eNodeBRemoteIP；
315, eNodeB sends the service request of amended non-LBO to the SGW of operator, and by transportingThe business SGW of battalion is sent to PGW, is finally routed to service application service device. The institute of follow-up this service conversationHave upstream data all according to this processing, i.e. the UELocalIP of eNodeB replacing original message is UERemoteIP, routes to service application service device by the SGW of operator, PGW.
316, application server sends downlink data message by PGW, the SGW of operator to eNodeB;
317, the object IP in downlink data message is revised as UELocalIP by eNodeB;
318, eNodeB sends amended descending according to amended UELocalIP to corresponding UEData message. All downlink datas of follow-up this service conversation are all processed in this way.
The service routing method of the present embodiment, the local unloading of the upper configuration of eNodeB business game is non-LBOBusiness Processing strategy, the simultaneously service request of monitoring UE, the non-LBO business of identification UE. And byENodeB is UELocalIP from unencrypted NAS message. ENodeB monitors and receives that UE's is non-When the service request of LBO, trigger and be attached to carrier network, carry by AttachRequest messageSpecial instruction is to MME. Set up the session of core net by MME. The non-LBO industry of eNodeB to UENAT processing is carried out in business, and the original message source IP that sends to carrier network is revised as to UERemoteIP, to allow downlink message get back to mobile operator network from PGW. For receiving from the SGW of operatorRow data message, eNodeB sends to UE after the object IP of message is replaced with to UELocalIP again.Therefore, the technical scheme of the present embodiment, can be for specific UE, is LBO business and non-LBO simultaneouslyBusiness.
The service routing method of the present embodiment, by adopting technique scheme, can realize when in enterpriseUE access outside operator, while initiating non-LBO business, this non-LBO business is carried out to correct roadBy. Therefore, the service routing method of the present embodiment, can ensure that in enterprise, user asks non-LBO businessAccuracy, improve performance and the efficiency of non-LBO business.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the methodSuddenly can complete by the relevant hardware of programmed instruction. Aforesaid program can be stored in a computer canRead in storage medium. This program, in the time carrying out, is carried out the step that comprises above-mentioned each embodiment of the method; AndAforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. are various can be program code storedMedium.
Fig. 4 is the structural representation of base station embodiment of the present invention. As shown in Figure 4, the base of the present embodimentStanding specifically can receiver module 10, determination module 11, acquisition module 12, modified module 13 and send mouldPiece 14.
The first service request that wherein receiver module 10 sends for receiving local UE, this first businessIn request, carry the local ip address of UE; Determination module 11 for determine that receiver module 10 receives theOne service request is non-LBO service request; Acquisition module 12 for determine when determination module 11 this firstService request starts while being non-LBO service request, is that UE distributes for obtaining the PGW of operatorFar-end IP address; Modified module 13 is for the UE of the first service request that receiver module 10 is receivedLocal ip address be revised as the far-end IP address that acquisition module 12 obtains, to generate the second service request;Sending module 14 is for sending modified module 13 amended the second service request to the SGW of operator,Send amended the second service request for the SGW of operator to the PGW of corresponding operator.
The base station of the present embodiment, by adopting above-mentioned module to realize the realization mechanism and above-mentioned phase of business routeClose the realization mechanism of embodiment of the method identical, in detail can be with reference to the record of above-mentioned correlation technique embodiment,Do not repeat them here.
The base station of the present embodiment, by adopting above-mentioned module can realize when the UE access outside in enterpriseOperator, while initiating non-LBO business, carries out correct route to this non-LBO business. Therefore, this realityExecute routine service routing method, can ensure that user in enterprise asks the accuracy of non-LBO business, improvesThe performance of non-LBO business and efficiency.
Further alternatively, on above-mentioned basis embodiment illustrated in fig. 4, wherein determination module 11 is concreteFor extracting service feature from the first service request receiving; According to service feature and local unloading industryBusiness strategy, determines that the first service request is non-LBO service request.
Wherein service feature comprise following at least one: the object IP of type of service, service request message groundThe procotol that location, service request source port, service request destination interface and service request are used.
Further alternatively, on the basis of above-described embodiment, acquisition module 12 is specifically for to MMEThe access carrier network request of the mark of UE is carried in transmission, asks to the SGW of operator for MMESet up service conversation, and send and set up conversation request message to the PGW of operator by the SGW of operator;Intercept and capture the NAS message of carrying far-end IP address that MME sends to corresponding UE; , by operatorPGW is that UE distributes far-end IP address, and sends to MME by the SGW of operator successively, by MMESend the NAS message of carrying far-end IP address to UE; Far-end IP address is wherein the PGW of operatorFor UE distributes, and send to MME's by the SGW of operator; From NAS message, obtain far-endIP address.
Or acquisition module 12 is specifically for sending the access carrier net of the mark of carrying UE to MMENetwork request, sets up service conversation for MME to the SGW of operator request, by the SGW of operator to fortuneThe business's of battalion PGW sends and sets up conversation request message, is that UE distributes far-end IP by the PGW of operatorAddress, and send to MME by the SGW of operator according to this; The far-end address that receives MME transmission is logicalKnow message, in far-end address notification message, carry far-end IP address; From far-end address notification message, obtainFar-end IP address.
Further alternatively, on the basis of above-described embodiment, receiver module 10 is also for receiving operatorThe downlink data message that SGW sends; In this downlink data message, carry the far-end IP address of UE; Under thisRow data message is that the PGW of operator sends to the SGW's of operator; Modified module 13 is also for inciting somebody to actionFar-end IP address in the downlink data message that receiver module 10 receives is revised as local ip address; SendModule 14 is also for according to local ip address, to corresponding UE send modified module 13 amended underRow data message.
The base station of above-described embodiment, by adopting above-mentioned module to realize the realization mechanism of business route and above-mentionedThe realization mechanism of correlation technique embodiment is identical, in detail can be with reference to the record of above-mentioned correlation technique embodiment,Do not repeat them here.
The base station of above-described embodiment, by adopting above-mentioned module can realize when outside the UE access in enterpriseOperator of portion, while initiating non-LBO business, carries out correct route to this non-LBO business. Therefore, originallyThe service routing method of embodiment, can ensure that user in enterprise asks the accuracy of non-LBO business, carriesPerformance and the efficiency of high non-LBO business.
Device embodiment described above is only schematically, the list wherein illustrating as separating componentUnit can or can not be also physically to separate, and the parts that show as unit can be or alsoCan not physical location, can be positioned at a place, or also can be distributed at least two networksOn unit. Can select according to the actual needs some or all of module wherein to realize the present embodimentThe object of scheme. Those of ordinary skill in the art, in the situation that not paying performing creative labour, canUnderstand and implement.
Finally it should be noted that: above each embodiment is only in order to technical scheme of the present invention to be described, but not rightIts restriction; Although the present invention is had been described in detail with reference to aforementioned each embodiment, this area commonTechnical staff is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified,Or some or all of technical characterictic is wherein equal to replacement; And these amendments or replacement, andDo not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a service routing method, is characterized in that, comprising:
Receive the first service request that local subscriber equipment sends, in described the first service request, carry instituteState the local ip address of subscriber equipment;
Determine that described the first service request is non-local unloading service request;
The far-end IP address that the packet data gateway that obtains operator is described user equipment allocation;
The described local ip address of the described subscriber equipment in described the first service request is revised as described far awayEnd IP address, to generate the second service request;
Send described the second service request to operator's gateway, for described operator gateway toThe packet data gateway of corresponding operator sends described the second service request.
2. method according to claim 1, is characterized in that, determines that described the first service request isNon-local unloading service request, specifically comprises:
From described the first service request receiving, extract service feature;
According to described service feature and described local unloading business game, determine that described the first service request isNo is non-local unloading service request.
3. method according to claim 2, is characterized in that, described service feature comprise as down toFew a kind of: the object IP address of type of service, service request message, service request source port, business are askedThe procotol of asking destination interface and service request to use.
4. method according to claim 1, is characterized in that, describedly sends out to operator's gatewaySend described the second service request, the grouped data for described operator gateway to corresponding operatorAfter gateway sends described the second service request, described method also comprises:
Receive the downlink data message that described operator gateway sends; In described downlink data message, takeWith the described far-end IP address of described subscriber equipment; Described downlink data message is the grouping of described operatorData gateway sends to described operator gateway;
Described far-end IP address in described downlink data message is revised as to described local ip address;
According to described local ip address, send described downlink data message to the described subscriber equipment of correspondence.
5. according to the arbitrary described method of claim 1-4, it is characterized in that, obtain the grouping of operatorData gateway is the far-end IP address of described user equipment allocation, specifically comprises:
Send the access carrier network request of the mark of carrying described subscriber equipment to mobile management entity,Set up service conversation for described mobile management entity to operator's gateway request, and by described operationBusiness's gateway sends and sets up conversation request message to the packet data gateway of described operator;
That intercepts and captures that described mobile management entity sends to the described subscriber equipment of correspondence carries described far-end IP groundThe described non-access layer information of location; The packet data gateway that described far-end IP address is described operator is instituteState user equipment allocation, and send to described mobile management entity by described operator gateway;
From described non-access layer information, obtain described far-end IP address;
Or, the far-end IP address that the packet data gateway that obtains operator is described user equipment allocation,Specifically comprise:
Send the access carrier network request of the mark of carrying described subscriber equipment to mobile management entity,Set up service conversation for described mobile management entity to operator's gateway request, by described operatorGateway sends and sets up conversation request message to the packet data gateway of described operator, by described operationBusiness's packet data gateway is far-end IP address described in corresponding described user equipment allocation, and passes through according to thisDescribed operator gateway sends to described mobile management entity;
Receive the far-end address notification message that described mobile management entity sends, described far-end address notice disappearsIn breath, carry described far-end IP address;
From described far-end address notification message, obtain described far-end IP address.
6. a base station, is characterized in that, described base station comprises:
Receiver module, the first service request sending for receiving local subscriber equipment, described the first industryIn business request, carry the local ip address of described subscriber equipment;
Determination module, for determining that described the first service request is non-local unloading service request;
Acquisition module, for obtaining the far-end that the packet data gateway of operator is described user equipment allocationIP address;
Modified module, for by the described local IP ground of the described subscriber equipment of described the first service requestDescribed far-end IP address is revised as in location, to generate the second service request;
Sending module, for send described the second service request to operator's gateway, for described fortuneThe business of battalion gateway sends amended described service request to the packet data gateway of corresponding operator.
7. base station according to claim 6, is characterized in that, described determination module, specifically forFrom described the first service request receiving, extract service feature; According to described service feature and describedGround unloading business game, determines that described the first service request is non-local unloading service request.
8. base station according to claim 7, is characterized in that, described service feature comprise as down toFew a kind of: the object IP address of type of service, service request message, service request source port, business are askedThe procotol of asking destination interface and service request to use.
9. base station according to claim 6, is characterized in that:
Described receiver module, the downlink data message also sending for receiving described operator gateway;In described downlink data message, carry the described far-end IP address of described subscriber equipment; Described downlink data reportLiterary composition is that the packet data gateway of described operator sends to described operator gateway;
Described modified module, also for being revised as the described far-end IP address of described downlink data messageDescribed local ip address;
Described sending module, also, for according to described local ip address, sends out to the described subscriber equipment of correspondenceSend described downlink data message.
10. according to the arbitrary described base station of claim 6-9, it is characterized in that, described acquisition module,Please specifically for the access carrier network that sends the mark of carrying described subscriber equipment to mobile management entityAsk, set up service conversation for described mobile management entity to operator's gateway request, and by describedOperator's gateway sends and sets up conversation request message to the packet data gateway of described operator; Intercept and captureDescribed in described far-end IP address that what described mobile management entity sent to the described subscriber equipment of correspondence carryNon-access layer information; Described far-end IP address is that the packet data gateway of described operator is that described user establishesBack-up is joined, and sends to described mobile management entity by described operator gateway; From described non-In access layer information, obtain described far-end IP address;
Or described acquisition module, specifically for sending and carry described subscriber equipment to mobile management entityMark access carrier network request, for described mobile management entity to operator's gateway requestSet up service conversation, send and build to the packet data gateway of described operator by described operator gatewayVertical conversation request message is corresponding described user equipment allocation by the packet data gateway of described operatorDescribed far-end IP address, and send to described mobile management entity by described operator gateway according to this;Receive the far-end address notification message that described mobile management entity sends, in described far-end address notification messageCarry described far-end IP address; From described far-end address notification message, obtain described far-end IP address.
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