CN101754373A - Operating indication method, service gateway and core network system - Google Patents
Operating indication method, service gateway and core network system Download PDFInfo
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- CN101754373A CN101754373A CN200910261126A CN200910261126A CN101754373A CN 101754373 A CN101754373 A CN 101754373A CN 200910261126 A CN200910261126 A CN 200910261126A CN 200910261126 A CN200910261126 A CN 200910261126A CN 101754373 A CN101754373 A CN 101754373A
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Abstract
The embodiment of the invention provides an operating indication method, a service gateway and a core network system, wherein the operating indication method comprises the following steps of: receiving a message for updating a loading request transmitted by a target-side mobile management network element after determining to continuously use a current service gateway, wherein the message for updating the loading request comprises indication information and carrying conditions of tunnel information of a downlink user interface; carrying out loading treatment according to the indication information and the carrying conditions of the tunnel information of the downlink user interface; or carrying out the loading treatment and ending the transmitting treatment of an identification data packet according to the indication information and the carrying conditions of the tunnel information of the downlink user interface. The embodiment of the invention realizes that the service gateway can carry out the subsequent treatment according to the indication information and the carrying conditions of the tunnel information of the downlink user interface in the message for updating the loading request in the TAU flow or switching flow for continuously using the current service gateway.
Description
Technical field
The embodiment of the invention relates to communication technical field, relates in particular to a kind of method of instructing operation, gateway and core network system.
Background technology
Core network system architecture evolution (System Architecture Evolution of future generation; Hereinafter to be referred as: in network architecture SAE), mobile management net element comprises mobile management network element (MobilityManagement Entity; Hereinafter to be referred as: MME) or S4 service universal grouping wireless business supporting node (S4Serving General Packet Radio Service Support Node; Hereinafter to be referred as: S4SGSN), be responsible for location management, connection management, safety certification and the gateway selection (comprise and select gateway and data gateway) etc. of mobile subscriber terminal; Gateway (Serving Gateway; Hereinafter to be referred as: SGW) be the local access network pass of user terminal; Grouped data network gateway (PacketData Network Gateway; Hereinafter to be referred as: PGW) be the gateway of user terminal access outer data network.
In the existing standard, when the user terminal that is in idle condition was moved, user terminal may be initiated tracing Area and be upgraded (Tracking Area Update; Hereinafter to be referred as: TAU) flow process reports the reposition district at this user terminal place to network side; When the user terminal of connection status is moved, at needs handed over service base station (evolved NodeB; Hereinafter to be referred as: in the time of eNB), source eNB may initiate to switch (handover) flow process and switch user's up-downgoing business.
In TAU and switching flow that SGW does not change, at MME and SGW, or set up under the scene of S1U and S12 downlink tunnel the target access network network element of the downlink tunnel information more new bearer request that SGW receives (Modify Bearer Request) message is whether to carry to(for) the difference of TAU and switching flow between S4SGSN and the SGW.And insert and set up under the scene of S4-U downlink tunnel at S4SGSN, renewal bearing request message in TAU flow process and the switching flow all will be carried the downlink tunnel information of S4-U so, at this moment SGW can't distinguish TAU flow process and switching flow, thereby cause follow-up flow process to carry out.
Summary of the invention
The embodiment of the invention provides a kind of method of instructing operation, gateway and core network system, operates accordingly according to the indication information that receives to realize gateway.
The embodiment of the invention provides a kind of method of instructing operation, comprising:
The renewal bearing request message of receiving target side shifting managed network element transmission after determining to continue use current service gateway, described renewal bearing request message comprises the situation of carrying of indication information and downlink user face tunnel information;
According to the situation of carrying of described indication information and described downlink user face tunnel information, carry processing; Perhaps,, carry processing, and finish the identification data packet transmission and handle according to the situation of carrying of described indication information and described downlink user face tunnel information.
The embodiment of the invention also provides a kind of gateway, comprising:
Receiver module is used for the renewal bearing request message that receiving target side shifting managed network element sends after determining continuation use current service gateway, described renewal bearing request message comprises the situation of carrying of indication information and downlink user face tunnel information;
Processing module is used for carrying processing according to the indication information of described receiver module reception and the situation of carrying of downlink user face tunnel information; Perhaps,, carry processing, and finish the identification data packet transmission and handle according to the indication information of described receiver module reception and the situation of carrying of downlink user face tunnel information.
The embodiment of the invention also provides a kind of core network system, comprising: source mobile management net element, target side mobile management net element, gateway and data gateway,
Described gateway, be used to receive the renewal bearing request message of described target side mobile management net element transmission after determining to continue use current service gateway, described renewal bearing request message comprises the situation of carrying of indication information and downlink user face tunnel information; And, carry processing according to the situation of carrying of described indication information and described downlink user face tunnel information; Perhaps,, carry processing, and finish the identification data packet transmission and handle according to the situation of carrying of described indication information and described downlink user face tunnel information.
In the embodiment of the invention, gateway carries processing according to the indication information in the renewal bearing request message of target side mobile management net element transmission and the situation of carrying of downlink user face tunnel information; Perhaps,, carry processing, and finish the identification data packet transmission and handle according to the situation of carrying of this indication information and this downlink user face tunnel information.Thereby realized continuing to use in the TAU flow process or switching flow of current service gateway, gateway can carry out subsequent treatment according to the indication information in the renewal bearing request message and the situation of carrying of downlink user face tunnel information.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of an embodiment of method of instructing operation of the present invention;
Fig. 2 is the signaling process figure of another embodiment of method of instructing operation of the present invention;
Fig. 3 is the structural representation of an embodiment of gateway of the present invention;
Fig. 4 is the structural representation of another embodiment of gateway of the present invention;
Fig. 5 is the structural representation of the unified embodiment of core network system of the present invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belongs to the scope of protection of the invention.
Fig. 1 is the flow chart of an embodiment of method of instructing operation of the present invention, and as shown in Figure 1, this embodiment can comprise:
In the embodiment of the invention, mobile management net element can be MME or S4SGSN; Downlink user face tunnel information comprises S1U, S4U or S12 information.
In the present embodiment, carrying out the gateway selection at the target side mobile management net element, when determining that current gateway still can continue as the subscriber equipment service, this target side mobile management net element is determined to continue to use the current service gateway, and at this moment the target side mobile management net element comprises the situation of carrying of indication information and downlink user face tunnel information in being sent to the renewal bearing request message of gateway.The situation of carrying of this indication information and downlink user face tunnel information can perhaps be carried in the renewal bearing request message by the mode of upgrading the reserved field in the bearing request message is set by newly-increased cell or bit identification in upgrading bearing request message; But the embodiment of the invention is not limited in this, and any mode that can add the situation of carrying of indication information and downlink user face tunnel information in upgrading bearing request message all should fall into the protection range of the embodiment of the invention.
In a kind of implementation of present embodiment, this indication information only comprises the transmission indication information, gateway can send indication information according to this, before downlink data tunnel is switched to the target side access network elements, to finish identification data packet by the source downlink data tunnel and be sent to the source access network elements, being used to indicate this is the last packet that the source access network elements is received, so that should finishing identification data packet, the source access network elements was sent to after the target side access network elements, the target side access network elements can finish identification data packet according to this, and the packet of determining the source access network elements has been transmitted and finished; And this gateway also need carry processing further according to the situation of carrying of upgrading downlink user face tunnel information in the bearing request message.Particularly, carry downlink user face tunnel information if upgrade in the bearing request message, then gateway needs further to preserve downlink user face tunnel information in the context of this gateway; Perhaps, if do not carry downlink user face tunnel information in this renewal bearing request message, then gateway need be deleted the source downlink data tunnel information of preserving in the context of this gateway.Thereby having realized that gateway correctly sends finishes identification data packet to the source access network elements, and when having realized carrying downlink user face tunnel information in upgrading bearing request message, gateway is preserved this downlink user face tunnel information; In this renewal bearing request message, do not carry downlink user face tunnel information, gateway is in time disposed the source downlink data tunnel information that this gateway is preserved, for example: the information of source eNB or RNC, avoid packet after gateway will switch to be sent to source and deleted contextual eNB or RNC, cause the opposite end to send wrong indication (error indication) message, thereby cause the problem of the meaningless deletion of carrying on the gateway.
If do not comprise this transmission indication information in the indication information that this gateway receives, then this gateway will can not send the end identification data packet, only according to the situation of carrying of upgrading downlink user face tunnel information in the bearing request message, carry processing.
Above-mentioned transmission indication information can any one mode be provided with, and for example: character or numeral etc., the embodiment of the invention does not limit the set-up mode that sends indication information.
Certainly, the embodiment of the invention is not limited in this, also can be by sending the different set-up modes of indication information, whether indicating service gateway needs to send the end identification data packet, for example: can be provided with when sending indication information for " 1 ", gateway sends and finishes identification data packet, and according to the situation of carrying of upgrading downlink user face tunnel information in the bearing request message, carries processing; When the transmission indication information was " 0 ", gateway did not send the end identification data packet, only according to the situation of carrying of upgrading downlink user face tunnel information in the bearing request message, carried processing.
In the another kind of implementation of present embodiment, this indication information comprises and carries indication information, gateway can carry indication information according to this, in upgrading bearing request message, search downlink user face tunnel information, when carrying downlink user face tunnel information in this renewal bearing request message, in the context of gateway, preserve this downlink user face tunnel information; Perhaps, when not carrying downlink user face tunnel information in this renewal bearing request message, gateway is replied failure response message to the target side mobile management net element.Thereby gateway can be determined to upgrade the situation of carrying of downlink user face tunnel information in the bearing request message and carry out respective handling.At this moment, because this renewal bearing request message does not comprise the transmission indication information, so gateway does not send the end identification data packet.
The above-mentioned indication information that carries can any one mode be provided with, and for example: character or numeral etc., the embodiment of the invention does not limit the set-up mode that carries indication information.
Certainly, the embodiment of the invention is not limited in this, also can carry indication information and clearly indicate whether carry downlink user face tunnel information in this renewal bearing request message by this is set, for example: can be provided with when carrying indication information for " 0 ", represent not carry in this renewal bearing request message downlink user face tunnel information, at this moment, gateway is not carried out the operation of preserving downlink user face tunnel information; Can be provided with when carrying indication information for " 1 ", represent to carry in this renewal bearing request message downlink user face tunnel information, at this moment, gateway is carried out the operation of preserving this downlink user face tunnel information.
In another implementation of present embodiment, this indication information comprises the transmission indication information and carries indication information, at this moment, gateway can send indication information according to this, before downlink data tunnel is switched to the target side access network elements, will finish identification data packet by the source downlink data tunnel and be sent to the source access network elements; And carry indication information according to this, in upgrading bearing request message, search downlink user face tunnel information, when carrying downlink user face tunnel information in this renewal bearing request message, gateway is preserved this downlink user face tunnel information in the context of this gateway; Perhaps, gateway can send indication information according to this, before downlink data tunnel is switched to the target side access network elements, will finish identification data packet by the source downlink data tunnel and be sent to the source access network elements; And carry indication information according to this, and in upgrading bearing request message, search downlink user face tunnel information, when not carrying downlink user face tunnel information in this renewals bearing request message, gateway is to target side mobile management net element answer failure response message.Thereby gateway can correctly send and finish identification data packet to the source access network elements, and gateway can be determined to upgrade the situation of carrying of downlink user face tunnel information in the bearing request message and carry out respective handling.
In another implementation of present embodiment, when this indication information comprises that tracing Area is more when new technological process indication information or non-switching flow indication information, gateway can be according to this tracing Area more new technological process indication information or non-switching flow indication information, when carrying downlink user face tunnel information in this renewal bearing request message, in the context of gateway, preserve downlink user face tunnel information; Perhaps, when in upgrading bearing request message, not carrying downlink user face tunnel information, the source downlink data tunnel information of preserving in the context of deletion gateway; Because it is more new technological process or non-switching flow of tracing Area that this indication information is clearly indicated this flow process, so gateway can not send the end identification data packet.Thereby when having realized carrying downlink user face tunnel information in upgrading bearing request message, gateway is preserved this downlink user face tunnel information; In this renewal bearing request message, do not carry downlink user face tunnel information, gateway is in time disposed the source downlink data tunnel information that this gateway is preserved, for example: the information of source eNB or RNC, avoid packet after gateway will switch to be sent to source and deleted contextual eNB or RNC, cause the opposite end to send wrong Indication message, thereby cause the problem of the meaningless deletion of carrying on the gateway.
When this indication information comprises that non-tracing Area is more when new technological process indication information or switching flow indication information, gateway can be according to this non-tracing Area more new technological process indication information or switching flow indication information, when in upgrading bearing request message, carrying downlink user face tunnel information, in the context of gateway, preserve downlink user face tunnel information; And when in the context of gateway, preserving source downlink data tunnel information, before downlink data tunnel is switched to the target side access network elements, will finish identification data packet by the source downlink data tunnel and be sent to the source access network elements; Perhaps, gateway can when not carrying downlink user face tunnel information in this renewal bearing request message, be replied failure response message to the target side mobile management net element according to non-tracing Area more new technological process indication information or switching flow indication information; And when in the context of gateway, preserving source downlink data tunnel information, before downlink data tunnel is switched to the target side access network elements, described end identification data packet is sent to the source access network elements by the source downlink data tunnel.Thereby gateway can correctly send and finish identification data packet to the source access network elements, and gateway can be determined to upgrade the situation of carrying of downlink user face tunnel information in the bearing request message and carry out respective handling.
In addition, in the present embodiment, when this indication information comprises the sky indication information, promptly upgrade when not carrying indication information in the bearing request message, if carry downlink user face tunnel information in this renewal bearing request message, then gateway can be preserved this downlink user face tunnel information in the context of this gateway; Perhaps, if do not carry downlink user face tunnel information in this renewal bearing request message, then gateway can be deleted the source downlink data tunnel information of preserving in the context of this gateway.Thereby when having realized carrying downlink user face tunnel information in upgrading bearing request message, gateway is preserved this downlink user face tunnel information; In this renewal bearing request message, do not carry downlink user face tunnel information, gateway is in time disposed the source downlink data tunnel information that this gateway is preserved, for example: the information of source eNB or RNC, avoid packet after gateway will switch to be sent to source and deleted contextual eNB or RNC, cause the opposite end to send wrong Indication message, thereby cause the problem of the meaningless deletion of carrying on the gateway.
In the foregoing description, gateway carries processing according to the indication information in the renewal bearing request message of target side mobile management net element transmission and the situation of carrying of downlink user face tunnel information; Perhaps,, carry processing, and finish the identification data packet transmission and handle according to the situation of carrying of this indication information and downlink user face tunnel information.Thereby solved in the TAU flow process or switching flow that gateway do not change, gateway can't clearly be distinguished concrete scene and cause finishing identification data packet and can not correctly send, and gateway can't determine to upgrade the situation of carrying of downlink user face tunnel information in the bearing request message and the problem of handling.
Fig. 2 is the signaling process figure of another embodiment of method of instructing operation of the present invention, and as shown in Figure 2, this embodiment can comprise:
Step 201, subscriber equipment (User Equipment; Hereinafter to be referred as: UE) send location update request message to the target side mobile management net element.
Step 201 ', UE sends handoff request message to the source mobile management net element.
Wherein, step 201 is the operation that UE carries out in the TAU flow process, step 201 ' be the operation that UE carries out in the switching flow, when specific implementation, either-or is carried out.Mobile management net element in the present embodiment comprises MME or S4SGSN.
Step 202, target side mobile management net element send context request message to the source mobile management net element.
Step 203, source mobile management net element send context acknowledge message to the target side mobile management net element.
Step 204, target side mobile management net element are carried out the gateway selection, when current gateway still can continue as the subscriber equipment service, determine to continue to use the current service gateway.
Step 205, target side mobile management net element send upgrades bearing request message to gateway, and this renewal bearing request message comprises the situation of carrying of indication information and downlink user face tunnel information.
Particularly, the method that can provide in the step 101 embodiment illustrated in fig. 1 according to the present invention, the situation of carrying of adding this indication information and downlink user face tunnel information in upgrading bearing request message does not repeat them here.
Step 206, gateway send to data gateway upgrades bearing request message.
Step 207, data gateway is replied more new bearer response (Modify BearerResponse) message to gateway.
Step 208, gateway send upgrades bearing response message to the target side mobile management net element.
Step 209, gateway carries processing according to the situation of carrying of this indication information and downlink user face tunnel information; Perhaps,, carry processing, and finish the identification data packet transmission and handle according to the situation of carrying of this indication information and downlink user face tunnel information.
Particularly, gateway receives the target side mobile management net element and sends after the renewal bearing request message, gateway can upgrade indication information in the bearing request message and the situation of carrying of downlink user face tunnel information is carried out corresponding operating according to this, see also the description in the present invention's step 102 embodiment illustrated in fig. 1, do not repeat them here.
In the present embodiment, step 209 can be carried out after step 208; Also can be after step 205, carry out before the step 206; Can also with step 206～step 208 executed in parallel, present embodiment does not limit the execution sequence of step 209.
In the foregoing description, gateway is according to the indication information in the renewal bearing request message of target side mobile management net element transmission and the situation of carrying of downlink user face tunnel information, operate accordingly, thereby solved in the TAU flow process or switching flow that gateway does not change, gateway can't clearly be distinguished concrete scene and cause finishing identification data packet and can not correctly send, and the situation of carrying of downlink user face tunnel information and the problem of handling in the gateway renewal bearing request message that can't determine to receive, thereby and avoided gateway mistake in handoff procedure to send downlink data packet and deleted the eNB of respective contexts or the problem that RNC causes the meaningless deletion of carrying to source.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
Fig. 3 is the structural representation of an embodiment of gateway of the present invention, and the gateway in the present embodiment can be realized the flow process that the present invention is embodiment illustrated in fig. 1, and as shown in Figure 3, this gateway can comprise: receiver module 31 and processing module 32.
Wherein, receiver module 31 is used for the renewal bearing request message that receiving target side shifting managed network element sends after determining continuation use current service gateway, and this renewal bearing request message comprises the situation of carrying of indication information and downlink user face tunnel information.
In the present embodiment, the target side mobile management net element is carrying out the gateway selection, when determining that current gateway still can continue as the subscriber equipment service, this target side mobile management net element continues to use the current service gateway, and at this moment the target side mobile management net element comprises the situation of carrying of indication information and downlink user face tunnel information in being sent to the renewal bearing request message of gateway.The situation of carrying of this indication information and downlink user face tunnel information can perhaps be carried in the renewal bearing request message by the mode of upgrading the reserved field in the bearing request message is set by newly-increased cell or bit identification in upgrading bearing request message; But the embodiment of the invention is not limited in this, and any mode that can add the situation of carrying of indication information and downlink user face tunnel information in upgrading bearing request message all should fall into the protection range of the embodiment of the invention.
Particularly, processing module 32 can comprise that sky indication information, tracing Area are more when new technological process indication information or non-switching flow indication information at indication information, according to this sky indication information, tracing Area more new technological process indication information or non-switching flow indication information, when carrying downlink user face tunnel information in this renewal bearing request message, in the context of gateway, preserve this downlink user face tunnel information; Perhaps, when not carrying downlink user face tunnel information in this renewal bearing request message, the source downlink data tunnel information of preserving in the context of deletion gateway.
In the foregoing description, processing module 32 is carried processing according to the indication information of receiver module 31 receptions and the situation of carrying of downlink user face tunnel information; Perhaps, according to the indication information of receiver module 31 receptions and the situation of carrying of downlink user face tunnel information, carry processing, and finish the identification data packet transmission and handle, thereby solved in the TAU flow process or switching flow that gateway do not change, gateway can't clearly be distinguished concrete scene and cause finishing identification data packet and can not correctly send, and gateway can't determine to upgrade the situation of carrying of downlink user face tunnel information in the bearing request message and the problem of handling.
Fig. 4 is the structural representation of another embodiment of gateway of the present invention, and the gateway in the present embodiment can be realized the flow process that the present invention is embodiment illustrated in fig. 1, and as shown in Figure 4, this gateway can comprise: receiver module 41 and processing module 42.
Wherein, receiver module 41 is used for the renewal bearing request message that receiving target side shifting managed network element sends after determining continuation use current service gateway, and this renewal bearing request message comprises the situation of carrying of indication information and downlink user face tunnel information.
In the present embodiment, the target side mobile management net element is carrying out the gateway selection, when determining that current gateway still can continue as the subscriber equipment service, this target side mobile management net element continues to use the current service gateway, and at this moment the target side mobile management net element comprises the situation of carrying of indication information and downlink user face tunnel information in being sent to the renewal bearing request message of gateway.The situation of carrying of this indication information and downlink user face tunnel information can perhaps be carried in the renewal bearing request message by the mode of upgrading the reserved field in the bearing request message is set by newly-increased cell or bit identification in upgrading bearing request message; But the embodiment of the invention is not limited in this, and any mode that can add the situation of carrying of indication information and downlink user face tunnel information in upgrading bearing request message all should fall into the protection range of the embodiment of the invention.
Particularly, processing module 42 can comprise: packet sends submodule 421, be used for when the indication information that receiver module 41 receives comprises the transmission indication information, send indication information according to this, before downlink data tunnel is switched to the target side access network elements, will finish identification data packet by the source downlink data tunnel and be sent to the source access network elements.
This processing module 42 can also comprise:
In the foregoing description, processing module 42 is carried processing according to the indication information of receiver module 41 receptions and the situation of carrying of downlink user face tunnel information; Perhaps, according to the indication information of receiver module 41 receptions and the situation of carrying of downlink user face tunnel information, carry processing, and finish the identification data packet transmission and handle, thereby solved in the TAU flow process or switching flow that gateway do not change, gateway can't clearly be distinguished concrete scene and cause finishing identification data packet and can not correctly send, and gateway can't determine to upgrade the situation of carrying of downlink user face tunnel information in the bearing request message and the problem of handling.
Fig. 5 is the structural representation of the unified embodiment of core network system of the present invention, and the core network system in the present embodiment can be realized the flow process that the present invention is embodiment illustrated in fig. 2.As shown in Figure 5, this core network system can comprise: source mobile management net element 51, target side mobile management net element 52, gateway 53 and data gateway 54.
Wherein, gateway 53 is used for the renewal bearing request message that receiving target side shifting managed network element 52 sends after determining continuation use current service gateway, and this renewal bearing request message comprises the situation of carrying of indication information and downlink user face tunnel information; And, carry processing according to the situation of carrying of this indication information and downlink user face tunnel information; Perhaps,, carry processing, and finish the identification data packet transmission and handle according to the situation of carrying of this indication information and downlink user face tunnel information; Particularly, gateway 53 can be realized by Fig. 3 of the present invention or gateway embodiment illustrated in fig. 4.
In the foregoing description, gateway 53 is according to the indication information in the renewal bearing request message of target side mobile management net element 52 transmissions and the situation of carrying of downlink user face tunnel information, operate accordingly, thereby solved tracing Area that gateway 53 do not change more in new technological process or the switching flow, gateway 53 can't clearly be distinguished concrete scene and cause finishing identification data packet and can not correctly send, and the situation of carrying of downlink user face tunnel information and the problem of handling in the gateway 53 renewal bearing request message that can't determine to receive, thereby and avoided gateway 53 mistake in handoff procedure to send downlink data packet and deleted the eNB of respective contexts or the problem that RNC causes the meaningless deletion of carrying to source.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (13)
1. a method of instructing operation is characterized in that, comprising:
The renewal bearing request message of receiving target side shifting managed network element transmission after determining to continue use current service gateway, described renewal bearing request message comprises the situation of carrying of indication information and downlink user face tunnel information;
According to the situation of carrying of described indication information and described downlink user face tunnel information, carry processing; Perhaps,, carry processing, and finish the identification data packet transmission and handle according to the situation of carrying of described indication information and described downlink user face tunnel information.
2. method according to claim 1 is characterized in that described indication information comprises the transmission indication information,
The described situation of carrying according to described indication information and described downlink user face tunnel information is carried processing, and finishes identification data packet and send to handle and to comprise:
According to described transmission indication information, before downlink data tunnel is switched to the target side access network elements, described end identification data packet is sent to the source access network elements by the source downlink data tunnel; When carrying downlink user face tunnel information in the described renewal bearing request message, in the context of gateway, preserve described downlink user face tunnel information; Perhaps,
According to described transmission indication information, before downlink data tunnel is switched to the target side access network elements, described end identification data packet is sent to the source access network elements by the source downlink data tunnel; When not carrying downlink user face tunnel information in the described renewal bearing request message, the source downlink data tunnel information of preserving in the context of deletion gateway.
3. method according to claim 1 is characterized in that, described indication information comprises and carry indication information,
The described situation of carrying according to described indication information and described downlink user face tunnel information, carry processing and comprise:
According to the described indication information that carries, in described renewal bearing request message, search described downlink user face tunnel information, when carrying downlink user face tunnel information in the described renewal bearing request message, in the context of gateway, preserve described downlink user face tunnel information; Perhaps, when not carrying downlink user face tunnel information in the described renewal bearing request message, reply failure response message to the target side mobile management net element.
4. method according to claim 1 is characterized in that, described indication information comprises and send indication information and carry indication information,
The described situation of carrying according to described indication information and described downlink user face tunnel information is carried processing, and finishes identification data packet and send to handle and to comprise:
According to described transmission indication information, before downlink data tunnel is switched to the target side access network elements, described end identification data packet is sent to the source access network elements by the source downlink data tunnel; And according to the described indication information that carries, in described renewal bearing request message, search described downlink user face tunnel information, when carrying downlink user face tunnel information in the described renewal bearing request message, in the context of gateway, preserve described downlink user face tunnel information; Perhaps,
According to described transmission indication information, before downlink data tunnel is switched to the target side access network elements, described end identification data packet is sent to the source access network elements by the source downlink data tunnel; And according to the described indication information that carries, in described renewal bearing request message, search described downlink user face tunnel information, when not carrying downlink user face tunnel information in the described renewal bearing request message, reply failure response message to the target side mobile management net element.
5. method according to claim 1 is characterized in that, described indication information comprises sky indication information, tracing Area more new technological process indication information or non-switching flow indication information,
The described situation of carrying according to described indication information and described downlink user face tunnel information, carry processing and comprise:
According to described empty indication information, tracing Area more new technological process indication information or non-switching flow indication information, when carrying downlink user face tunnel information in the described renewal bearing request message, in the context of gateway, preserve described downlink user face tunnel information; Perhaps, when not carrying downlink user face tunnel information in the described renewal bearing request message, the source downlink data tunnel information of preserving in the context of deletion gateway.
6. method according to claim 1 is characterized in that, described indication information comprises non-tracing Area more new technological process indication information or switching flow indication information,
The described situation of carrying according to described indication information and described downlink user face tunnel information is carried processing, and finishes identification data packet and send to handle and to comprise:
According to described non-tracing Area more new technological process indication information or switching flow indication information, when carrying downlink user face tunnel information in the described renewal bearing request message, in the context of gateway, preserve described downlink user face tunnel information; And when in the context of gateway, preserving source downlink data tunnel information, before downlink data tunnel is switched to the target side access network elements, described end identification data packet is sent to the source access network elements by the source downlink data tunnel; Perhaps,
According to described non-tracing Area more new technological process indication information or switching flow indication information, when not carrying downlink user face tunnel information in the described renewal bearing request message, reply failure response message to the target side mobile management net element; And when in the context of gateway, preserving source downlink data tunnel information, before downlink data tunnel is switched to the target side access network elements, described end identification data packet is sent to the source access network elements by the source downlink data tunnel.
7. a gateway is characterized in that, comprising:
Receiver module is used for the renewal bearing request message that receiving target side shifting managed network element sends after determining continuation use current service gateway, described renewal bearing request message comprises the situation of carrying of indication information and downlink user face tunnel information;
Processing module is used for carrying processing according to the indication information of described receiver module reception and the situation of carrying of downlink user face tunnel information; Perhaps,, carry processing, and finish the identification data packet transmission and handle according to the indication information of described receiver module reception and the situation of carrying of downlink user face tunnel information.
8. gateway according to claim 7 is characterized in that, described processing module comprises:
Packet sends submodule, be used for when described indication information comprises the transmission indication information, according to described transmission indication information, before downlink data tunnel is switched to the target side access network elements, described end identification data packet is sent to the source access network elements by the source downlink data tunnel.
9. according to claim 7 or 8 described gateways, it is characterized in that described processing module also comprises:
Information is preserved submodule, be used for comprising when carrying indication information or sending indication information at described indication information, if carry downlink user face tunnel information in the described renewal bearing request message, then in the context of gateway, preserve described downlink user face tunnel information;
Message revertant module, be used for comprising when carrying indication information at described indication information, according to the described indication information that carries, in described renewal bearing request message, search described downlink user face tunnel information, when not carrying downlink user face tunnel information in the described renewal bearing request message, reply failure response message to the target side mobile management net element.
10. gateway according to claim 9 is characterized in that, described processing module also comprises:
The information deletion submodule is used for if do not carry downlink user face tunnel information in the described renewal bearing request message, then deleting the source downlink data tunnel information of preserving in the context of gateway when described indication information comprises the transmission indication information.
11. gateway according to claim 7, it is characterized in that, described processing module specifically is used for comprising that at described indication information sky indication information, tracing Area are more when new technological process indication information or non-switching flow indication information, according to described empty indication information, described tracing Area more new technological process indication information or described non-switching flow indication information, when carrying downlink user face tunnel information in the described renewal bearing request message, in the context of gateway, preserve described downlink user face tunnel information; Perhaps, when not carrying downlink user face tunnel information in the described renewal bearing request message, the source downlink data tunnel information of preserving in the context of deletion gateway.
12. gateway according to claim 7, it is characterized in that, described processing module specifically is used for comprising that at described indication information non-tracing Area is more when new technological process indication information or switching flow indication information, according to described non-tracing Area more new technological process indication information or described switching flow indication information, when carrying downlink user face tunnel information in the described renewal bearing request message, in the context of gateway, preserve described downlink user face tunnel information; And when in the context of gateway, preserving source downlink data tunnel information, before downlink data tunnel is switched to the target side access network elements, described end identification data packet is sent to the source access network elements by the source downlink data tunnel; Perhaps,
According to described non-tracing Area more new technological process indication information or switching flow indication information, when not carrying downlink user face tunnel information in the described renewal bearing request message, reply failure response message to the target side mobile management net element; And when in the context of gateway, preserving source downlink data tunnel information, before downlink data tunnel is switched to the target side access network elements, described end identification data packet is sent to the source access network elements by the source downlink data tunnel.
13. a core network system is characterized in that, comprising: source mobile management net element, target side mobile management net element, gateway and data gateway,
Described gateway, be used to receive the renewal bearing request message of described target side mobile management net element transmission after determining to continue use current service gateway, described renewal bearing request message comprises the situation of carrying of indication information and downlink user face tunnel information; And, carry processing according to the situation of carrying of described indication information and described downlink user face tunnel information; Perhaps,, carry processing, and finish the identification data packet transmission and handle according to the situation of carrying of described indication information and described downlink user face tunnel information.
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