CN102202418A - Method for establishing service and method, equipment and system for providing service - Google Patents
Method for establishing service and method, equipment and system for providing service Download PDFInfo
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- CN102202418A CN102202418A CN2011100468643A CN201110046864A CN102202418A CN 102202418 A CN102202418 A CN 102202418A CN 2011100468643 A CN2011100468643 A CN 2011100468643A CN 201110046864 A CN201110046864 A CN 201110046864A CN 102202418 A CN102202418 A CN 102202418A
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Abstract
The embodiment of the invention discloses a method for establishing a service and a method, equipment and a system for providing a service, wherein the method for establishing the service comprises the following steps that: a mobile gateway receives a service establishing request transmitted by a user; when determining that the service can be provided by a cache server within a mobile network, the mobile gateway informs the cache server of establishing a service connection with the user. By establishing the connection between the user and the cache server within the mobile network, the response time of a user request service can be shorten and a backhaul transmission bandwidth requirement can be saved.
Description
Technical field
The present invention relates to network communications technology field, in particular, relate to a kind of professional method of setting up, method, equipment and the system that business provides.
Background technology
In the process of mobile broadbandization, the available speed of radio open is increasing, and the bandwidth that Radio Access Network can provide is also increasing.In order to satisfy the increased requirement of wireless traffic bandwidth, also more and more higher as the bandwidth demand of the indispensable backhaul transport part of mobile network.
Generally, mobile backhaul network logically is divided into Access Layer, convergence-level and backbone layer.Convergence-level and backbone layer hop, network node is few, and fiber resource is abundanter, and it is more or less freely that transmission bandwidth provides.But the Access Layer hop, base station number is many, and site location disperses, and concerning most operators, be difficult to realize fiber deployment is arrived the base station, so the Access Layer bandwidth supply of base station backhaul becomes the subject matter that operator need solve.
In the technical scheme, the mobile network is only as the bearer path of mobile broadband data service now, and the speed of eating dishes without rice or wine promotes the bandwidth of bringing and increases, and need and present in whole mobile network's transmission.For LTE (Long Term Evolution, Long Term Evolution)/SAE (System Architecture Evolution, System Architecture Evolution) network, bandwidth increases need be at UE (User Equipment, subscriber equipment)～eNodeB (Evolved Node B, evolution Node B)～MME (Mobile Management Entity, mobile management entity)/S-GW (Serving Gateway, Service Gateway)～PDN-GW (Packet Data Network Gateway, packet data gateway) is middle to be embodied.
Generally, all data services of mobile network all need by PDN-GW or GGSN (Gateway GPRS Support Node, Gateway GPRS Support Node) Gi interface is connected to PDN (Public Data Network, public data network), and connects with Resource Server.Prior art proposes a kind of Gi Offload scheme, the thinking of this technical scheme comes from the mobile broadband process, in this scheme according to different application scene and requirement, can be at base station eNodeB or Node B, controller (as: the RNC of UMTS (Radio Network Controller, radio network controller), perhaps MME (Mobile Management Entity, mobile management entity)/S-GW (Serving Gateway, Service Gateway) directly goes out the Gi interface, the mobile broadband service data that these low QoS (service quality) require are transmitted by the metropolitan area broadband access network, be sent to the PDN network.And the mobile broadband service data of high qos requirement (as: VoIP voice, signaling etc.) still transmit in mobile backhaul/backbone transport networks, by the Gi interface connection PDN network of PDN-GW/GGSN side.This scheme is by Gi OffIoad functional characteristic, can reduce the bandwidth demand and the device processes Capability Requirement of mobile backhaul transport network, utilize metropolitan area broadband access network resource transmission to hang down the QoS business simultaneously, realize the quick deployment of mobile broadband service, reduce the backhaul transport cost of mobile broadband deployment request.
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art:
In Gi Offload scheme,, for the network element device that has increased the Gi interface newly strict more demand for security has been proposed, to guarantee mobile network's fail safe owing to increased the mobile service outlet.
Summary of the invention
Embodiments of the invention provide a kind of professional method of setting up, method, equipment and the system that business provides, and do not increase under the extra demand for security at mobile network's network element, can shorten the response time of user's requested service, save the bandwidth demand of backhaul transport.
The embodiment of the invention provides a kind of professional method of setting up, and comprising:
Mobile gateway receives the business foundation request that the user sends;
Determine described business can be by the mobile network in subordinate's caching server when providing, described mobile gateway is notified described caching server and described user to set up business to be connected.
The embodiment of the invention provides a kind of mobile gateway device, comprising:
The request receiver module is used to receive the business foundation request that the user sends;
The determination processing module is used for described professionally setting up request according to what the described request receiver module received, determine described business can be by the mobile network in subordinate's caching server when providing, notify described caching server and described user to set up business and be connected.
The method that the embodiment of the invention provides a kind of business to provide comprises:
Caching server receives that mobile gateway sends, and sets up the professional notice that is connected with the service request user, described notice be described mobile gateway determine described business can be by the mobile network in the transmission when providing of subordinate's caching server;
Described caching server is set up professional the connection with described user;
Described caching server provides described business to described user when determining described business is arranged self.
The embodiment of the invention provides a kind of caching server, comprising:
The notice receiver module is used to receive that mobile gateway sends, and sets up the professional notice that is connected with the service request user, described notice be described mobile gateway determine described business can be by the mobile network in the transmission when providing of subordinate's caching server;
Connect and to set up module, be used for the described notice that receives according to described notice receiver module, set up professional the connection with described user;
Judge Executive Module, be used for when determining described business is arranged self,, providing described business to set up the described user that module is set up described connection by described connection.
The embodiment of the invention provides a kind of service providing system, comprising:
Aforesaid mobile gateway device, and aforesaid caching server.
The technical scheme that is provided by the embodiment of the invention described above as can be seen, when mobile gateway receives the business foundation request of user's transmission, determine according to this request described business can be by the mobile network in subordinate's caching server when providing, described mobile gateway is notified described caching server and described user to set up business to be connected.So, when setting up ask to some extent on the professional caching server that is connected professional with the user, the user can directly obtain this business from described caching server, obtain professional complicated flow process and needn't carry out to original server, do not increase under the extra demand for security at mobile network's network element, not only save mobile backhaul transmission bandwidth, shortened the time delay between user and the service server again, greatly improved user's business experience.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only 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 a kind of professional method flow diagram of setting up of the embodiment of the invention;
Fig. 2 is a kind of professional signaling diagram of setting up of the embodiment of the invention;
Fig. 3 is a kind of mobile gateway device structural representation of the embodiment of the invention;
The method flow diagram that Fig. 4 provides for a kind of business of the embodiment of the invention;
Fig. 5 is the structural representation of a kind of caching server of the embodiment of the invention;
Fig. 6 is the application scenarios figure of the embodiment of the invention one;
Fig. 7 is the application scenarios figure of the embodiment of the invention two;
Fig. 8 is the application scenarios figure of the embodiment of the invention two;
Fig. 9 is the application scenarios figure of the embodiment of the invention three.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention proposes a kind of professional method of setting up, the method that business provides, equipment and system, be a kind of passing through in conjunction with CDN (Content Delivery Network, content distributing network) technology and mobile network's technology and the technical scheme that proposes, by the caching server (for example Cache servers) that will store the original server content, be deployed near on the equipment in user's the mobile network, when the user initiates service request, when mobile gateway can provide the content of being asked according to the caching server of this request in determination portion is deployed to the mobile network, notify this caching server and user to set up professional the connection, so that the user can directly obtain the business of being asked from caching server, do not increase under the extra demand for security at mobile network's network element, shortened the response delay between service server and the user, improved the response speed of user's requested service, improve terminal use's business experience, and save the bandwidth demand of backhaul transport.
Shown in Figure 1, the embodiment of the invention proposes a kind of professional method of setting up, and comprising:
When described mobile gateway determines that described business can be provided by described caching server, notify described caching server and described user to set up professional the connection; When described mobile gateway determines that described business can not be provided by described caching server, described service request is transmitted to original server or other Internet server process.
Described the signaling diagram of the method for professional foundation among Fig. 2, having comprised:
(1) user sends the professional request of setting up to mobile gateway (for example GGSN or PDN-GW);
Need to prove, when the embodiment of the invention is applied in 2G or the 3G network, select GGSN as mobile gateway; When the embodiment of the invention is applied in the LTE network, select PDN-GW as mobile gateway; In the following embodiments, be that example describes with PDN-GW, obviously, based on the embodiment of PDN-GW, those of ordinary skills are not making the embodiment that can obtain under the creative work prerequisite with GGSN, so do not give unnecessary details.
In the present embodiment, comprise the destination server address of professional call number, type of service and service request etc. during described professional foundation is asked;
(2) mobile gateway judges whether described business is provided by the caching server that disposes in the mobile network;
Detailed process can comprise: whether mobile gateway and the mutual chain of command information of the network equipment of having disposed caching server is to check the port information that comprises in the professional IP package informatin and the port information of TCP/UDP, consistent with the port that caching server uses;
(3) if consistent, mobile gateway determines that described business can be provided by described caching server, notifies described caching server and described user to set up professional the connection;
Described caching server can be deployed in eNodeB, in the combination in any of MME/S-GW and PDN-GW.
Specifically, notifying described caching server and user to set up the professional process that is connected can comprise:
According to the shortest path rule, select in the caching server of in the mobile network, disposing, described service request is directed to caching server in the mobile network; For example: all disposing on eNodeB, MME/S-GW and the PDN-GW under the scene of caching server, because eNodeB is from the immediate node of user, therefore, the caching server of preferential notice eNodeB deploy is set up professional the connection with described user, wherein, the upper level caching server of the caching server of eNodeB side is the caching server of MME/S-GW side; The upper level caching server of the caching server of MME/S-GW side is the caching server of PDN-GW side; The upper level caching server of the caching server of PDN-GW side is original server.By the rule of this shortest path, can improve the response speed of customer service, reduce the demand of backhaul transport bandwidth.In addition, also can be according to the load balancing rule, the caching server of selecting to dispose in the mobile network is set up professional the connection with the user.Need to prove that the rule of shortest path or load balancing is known to the those skilled in the art, so do not give unnecessary details at this.
Described mobile gateway notifies described caching server and described user to set up professional the connection by the IP address of described caching server, wherein, stores the available business tine of original server in the described caching server;
Specifically, the IP address of caching server belongs to mobile network's content, can in network internal unified planning and distribution, adopt static state or dynamical fashion to distribute by mobile operator according to its network planning.
In caching server, store the available business tine of original server, because content is brought in constant renewal in the original server, therefore caching server also will upgrade memory contents, can utilize traffic carrying capacity little free time to upgrade, this moment the transmission bandwidth abundance, renewal speed is fast, can not influence the normal operation of other business; Also can be when original server obtain business the user, the caching server on the service path upgrades synchronously to the business tine of storage.
(4) if inconsistent, when mobile gateway determines that the caching server of disposing in the mobile network can not provide asked professional, described request is forwarded to original server or other internet server, by existing mobile service flow process, provide this business to described user by original server or other Internet server.For existing mobile handling process, this is not done detailed description in the embodiment of the invention.
(5) set up the professional caching server that is connected with the user, judge the business tine whether self exists the user to ask according to service request;
(6) if when having the required business tine of user on the described caching server, then respond the business of user's request, described business is offered the user;
(7) if when not having the required business tine of user on the described caching server, then described caching server sends redirect request to mobile gateway, so that the business that the user asked is redirected on the caching server that described business can be provided;
(8) mobile gateway receives the redirect request that caching server sends, in higher level's caching server of described caching server, perhaps, with the caching server of described caching server same level in, be defined as the caching server that described user provides described business;
(9) mobile gateway is according to redirect request, when determining that all caching servers of disposing in the mobile network all can not provide professional that the user asks, this service request is transmitted to original server or other Internet server;
(10) original server or other Internet server response user requested service provides described business to described user.
According to the rule of shortest path or load balancing, when the subordinate when the caching server of eNodeB side is set up professional the connection with described user, above-mentioned steps (8) can comprise:
Described mobile gateway in subordinate's the caching server, determines to provide to described user the caching server of described business according to described redirect request on the eNodeB of the adjacent same level of described eNodeB; Perhaps, on the eNodeB of the same level adjacent, do not have describedly when professional in subordinate's the caching server, in the caching server of MME/S-GW side, determine to provide to described user the caching server of described business the subordinate with eNodeB; Perhaps, when the subordinate does not have described business in the caching server of MME/S-GW side, in the caching server of subordinate, determine to provide to described user the caching server of described business at PDN-GW; Perhaps, when the subordinate did not have described business in the caching server of PDN-GW side, determining provided described business by original server to described user.
In addition, when the subordinate sets up professional the connection at the caching server of eNodeB side with described user, also may relate to the process that the user is switched, in described handoff procedure, the business information that source base station and target BS want mutual subordinate's caching server separately to provide, with the business that whether has current source base station to provide on definite target BS, further to the user:
Have the user required when professional in determining the caching server of described target BS deploy, described gateway is notified and is set up business between the caching server of the caching server of described user and described source base station and described target BS and be connected.After user's switching was finished, the current business that described gateway notifies described source base station to be released to described user to be provided connected.Like this, make the user to connect, guarantee continuity professional in the handoff procedure with a plurality of caching servers.In addition, can also be by the mode that is redirected, rebulid caching server on the target BS and is connected, and pass through message informing GGSN or PDN-GW with business between the user.
In determining the caching server of described target BS deploy, there is not the user required when professional, determine to provide described business by the caching server that is deployed in MME/S-GW or PDN-GW or GGSN to described user alternately by caching server administrative center and described target BS, described gateway notifies described user to set up professional the connection with the caching server on the described source base station with the caching server on MME/S-GW or PDN-GW or the GGSN; After user's switching was finished, the current business that described gateway notifies described source base station to be released to described user to be provided connected.Like this, the user can set up many with a plurality of caching servers and be connected, and guarantees continuity professional in the handoff procedure.In addition, also can adopt by the Signalling exchange between described source base station and the described target BS, the business that keeps between the caching server of described user and source base station is connected, and still the caching server by described source base station provides required business to described user.
With the rule of or load balancing the shortest according to shortest path, when the subordinate when the caching server of MME/S-GW side is set up professional the connection with described user, above-mentioned steps (8) can comprise in another embodiment:
Described mobile gateway in subordinate's the caching server, determines to provide to described user the caching server of described business according to described redirect request on the MME/S-GW of the adjacent same level of described MME/S-GW; Perhaps, on the MME/S-GW of the adjacent same level of described MME/S-GW, do not have describedly when professional in subordinate's the caching server, in the caching server of subordinate, determine to provide to described user the caching server of described business at PDN-GW; Perhaps, the subordinate does not have described when professional in the caching server of PDN-GW, provides described business by original server to described user.
With rule according to shortest path or load balancing, when the subordinate when the caching server of PDN-GW side is set up professional the connection with described user, above-mentioned steps (8) can comprise in another embodiment:
Described mobile gateway in subordinate's the caching server, determines to provide to described user the caching server of described business according to described redirect request on the PDN-GW of the adjacent same level of described PDN-GW; Perhaps, do not have describedly when professional on the PDN-GW of the adjacent same level of described PDN-GW in subordinate's the caching server, determining provides described business by original server to described user.
Technical scheme by the invention described above embodiment as can be seen, by caching server being deployed on the mobile network appliance near the user, when user capture is professional, can reduce to the flow of wide area network minimum, also can reduce simultaneously the bandwidth demand of mobile backhaul transport and backbone transport, improve the response speed of customer service, improve customer service and experience, and then solved the backhaul transport problem that operator faces in the mobile broadband process.
Based on method illustrated in figures 1 and 2, as shown in Figure 3, the embodiment of the invention proposes a kind of mobile gateway device, comprising:
Described determination processing module 32 also is used for when definite described business can not be provided by described caching server described service request being transmitted to original server or other Internet server process.
Further, described equipment can also comprise:
Professional designated module 33, be used to receive the redirect request that described caching server sends, described redirect request is to set up the professional described caching server that is connected when the business tine of determining self not have the user to ask with described user, and described caching server is to the mobile gateway device transmission;
Described professional designated module 33, also be used for according to described redirect request, in higher level's caching server of described caching server, perhaps, with the caching server of described caching server same level in, be defined as the caching server that described user provides described business.
Further, described caching server can be deployed in eNodeB, in the combination in any of MME/S-GW and PDN-GW, perhaps, is deployed in the combination in any of eNodeB, MME/S-GW and GGSN.
Need to prove, the described mobile gateway device of the embodiment of the invention and Fig. 1 method and embodiment correspondence, comprised with Fig. 1 method and embodiment is identical or the corresponding techniques feature, therefore in the described mobile gateway device of the embodiment of the invention with Fig. 1 method and embodiment is identical or the corresponding techniques feature is not described in detail, specifically see also the related description among Fig. 1 method and the embodiment.
As shown in Figure 4, the embodiment of the invention proposes the method that a kind of business provides, and comprising:
Step 401: caching server receives that mobile gateway sends, be used for setting up the professional notice that is connected with the service request user, described notice be described mobile gateway determine described business can be by the mobile network in the transmission when providing of subordinate's caching server;
Step 402: described caching server is set up professional the connection with described user;
Step 403: described caching server provides described business to described user when determining self to have described business.
Described method can also comprise:
Step 404: described caching server is when determining self not have described business, send redirect request to described mobile gateway, so that described mobile gateway is according to described redirect request, in higher level's caching server of described caching server, perhaps, with the caching server of described caching server same level in, be defined as the caching server that described user provides described business.
Mobile gateway judges that the detailed process whether described business is provided by the caching server that disposes in the mobile network can comprise:
Whether mobile gateway and the mutual chain of command information of the network equipment of having disposed caching server is to check the port information that comprises in the professional IP package informatin and the port information of TCP/UDP, consistent with the port that caching server uses; If consistent, mobile gateway determines that described business can be provided by described caching server; If it is inconsistent, when mobile gateway determines that the caching server of disposing in the mobile network can not provide asked professional, described request is forwarded to original server or other internet server, by existing mobile service flow process, provide this business to described user by original server or other Internet server.For existing mobile handling process, this is not done detailed description in the embodiment of the invention.
Concrete, what caching server reception mobile gateway sent sets up the professional notice that is connected with the service request user, and wherein, mobile gateway notice caching server and user set up the professional process that is connected and can comprise:
According to the rule of shortest path or load balancing, select in the caching server of in the mobile network, disposing, described service request is directed to caching server in the mobile network; Need to prove, the process of the caching server of described business is provided according to the rule selection of shortest path or load balancing, can because the technical scheme that adopts is identical, therefore not do specific descriptions in the embodiment shown in fig. 4 referring to the associated description among Fig. 1 and Fig. 2.
Concrete, described mobile gateway is the IP address by described caching server, notifies described caching server and described user to set up that business is connected, and wherein, stores the available business tine of original server in the described caching server.
Specifically, set up the professional caching server that is connected with the user, the business tine whether self exists the user to ask is judged in the request of setting up according to business; Wherein, comprise the destination server address of professional call number, type of service and service request etc. during described professional foundation is asked.
Described caching server can be deployed in base station eNodeB, in the combination in any of MME/S-GW and PDN-GW, perhaps, is deployed in the combination in any of eNodeB, MME/S-GW and GGSN.
Specifically, rule according to shortest path or load balancing, when the subordinate determines self not have described when professional at the caching server of eNodeB side, send redirect request to mobile gateway, handle the same procedure of the redirect request of eNodeB side caching server transmission among mobile gateway employing and Fig. 1 embodiment, the redirect request in the embodiment of the invention is handled.
With rule according to shortest path or load balancing, when the subordinate determines self not have described when professional at the caching server of MME/S-GW side, send redirect request to mobile gateway, handle the same procedure of the redirect request of MME/S-GW side caching server transmission among mobile gateway employing and Fig. 1 embodiment, the redirect request in the embodiment of the invention is handled.
With rule according to shortest path or load balancing, when the subordinate determines self not have described when professional at the caching server of PDN-GW side, send redirect request to mobile gateway, the same procedure of the redirect request that the caching server of processing PDN-GW side sends among mobile gateway employing and Fig. 1 embodiment is handled the redirect request in the embodiment of the invention.
Technical scheme by the invention described above embodiment as can be seen, by caching server being deployed on the mobile network appliance near the user, when user capture is professional, can reduce to the flow of wide area network minimum, also can reduce simultaneously the bandwidth demand of mobile backhaul transport and backbone transport, improve the response speed of customer service, improve customer service and experience, and then solved the backhaul transport problem that operator faces in the mobile broadband process.
As shown in Figure 5, the embodiment of the invention proposes a kind of caching server, comprising:
Connect and to set up module 52, be used for the described notice that receives according to described notice receiver module, set up professional the connection with described user;
Judge and carry out 53, be used for when determining described business is arranged self,, providing described business to set up the described user that module is set up described connection by described connection.
At such scheme further, described server can also comprise:
Described caching server can be deployed in eNodeB, in the combination in any of MME/S-GW and packet data gateway PDN-GW, perhaps, is deployed in the combination in any of eNodeB, MME/S-GW and GGSN.
Specifically, when caching server is deployed in the eNodeB side, as shown in Figure 6, in eNodeB, increase caching server on the basis of existing user's face processing module and chain of command processing module, and link to each other by logic interfacing between described caching server and the described eNodeB;
When caching server is deployed in the MME/S-GW side, shown in Fig. 7 and 8, when two entity unifications of MME/S-GW, in MME/S-GW, increase caching server on the basis of existing user's face processing module and chain of command processing module, and link to each other by logic interfacing between described caching server and the described MME/S-GW; Perhaps, when two entity separation of MME/S-GW, caching server is deployed in the S-GW side, in S-GW, increases caching server on the basis of existing user's face processing module, and link to each other by logic interfacing between described caching server and the described S-GW;
When caching server is deployed in PDN-GW or GGSN side, as shown in Figure 9, in PDN-GW or GGSN, increase caching server, and link to each other by logic interfacing between described caching server and described PDN-GW or the GGSN.
Need to prove, in the embodiment of the invention related logic interfacing can adopt the Gi interface function that is similar to PDN-GW or GGSN logic interfacing realize being set at Gi ' interface in the present embodiment, be used for the business that transmission user is asked.Gi ' interface can be used for reference the Gi interface of standard, protocol stack can be identical, because Gi ' interface belongs to internal interface, difference can be that the NAT/NAPT address translation feature of standard Gi interface is optionally, and safety requirements can be provided with low with respect to the Gi interface.
The embodiment of the invention proposes a kind of service providing system, comprising:
As the described mobile gateway device of Fig. 3 embodiment, and as the described caching server of Fig. 5 embodiment, wherein caching server can be deployed in eNodeB, in the combination in any of MME/S-GW and PDN-GW, perhaps, caching server can be deployed in the combination in any of eNodeB, MME/S-GW and GGSN.
Need to prove, the described system of the embodiment of the invention and Fig. 3 and Fig. 5 and embodiment correspondence, comprised with Fig. 3 and Fig. 5 and embodiment is identical or the corresponding techniques feature, therefore to in the described system of the embodiment of the invention with Fig. 3 and Fig. 5 and embodiment is identical or the corresponding techniques feature is not described in detail, specifically see also the related description in Fig. 3 and Fig. 5 and the embodiment.
To elaborate with the method for the business of the embodiment of the invention being set up in conjunction with concrete scene, the method that business provides below.
Embodiment one:
As shown in Figure 6, caching server is built into eNodeB upward as the application scenarios of embodiment one, be applicable to the focus covering scene, in this base station coverage area, when having a large number of users to use same line of business, idiographic flow is as follows:
Allocating cache server on the equipment in the mobile network:
Concrete, on eNodeB side existing subscriber face processing module and chain of command processing module basis, increase the caching server module, and will increase a logic interfacing " Gi ' interface " between caching server and the existing eNodeB;
In order to realize the statistical function of service traffics, in the specific implementation process of present embodiment, can on the caching server node of disposing, increase the traffic statistics function, and statistics is reported to core net, gather the flow of each several part by core net after, concentrate statistics.
UE initiates the professional request of setting up, and gateway device (for example PDN-GW) determines that according to this request can the subordinate provide the business of being asked at the caching server of mobile device (eNodeB side); Comprise in the destination server address of professional call number, type of service and service request one or more in the described service request;
Concrete, when described caching server can provide asked professional, the IP address of gateway device by described caching server set up business with caching server and the described user of eNodeB side and is connected, so that described user obtains the business of being asked to described caching server; If in the time of can not providing asked professional, then this request is handled by existing mobile service flow process.
Determine when the caching server that the eNodeB sidepiece belongs to can provide asked professional the mutual chain of command information of gateway device and eNodeB at gateway device;
Concrete, when UE had service request, mobile network's bearer path was set up the flow process of secundum legem and is carried out; Chain of command processing module and PDN-GW in the eNodeB carry out Signalling exchange according to the information that comprises in the service request, the chain of command information of intercorrelation; Wherein, whether this chain of command information: having in IP address distribution, service traffics statistics, UE handover information, the caching server needs the required business of UE etc. if can comprising;
According to the chain of command interaction results, when the caching server of determining with UE sets up the eNodeB deploy that business is connected stores the required business tine of this UE, notice UE obtains required business by logic interfacing (for example Gi ' interface) from caching server, otherwise, gateway device determines to provide for described user the caching server of required business in the caching server of the adjacent eNodeB of the eNodeB that is deployed with caching server.
Need to prove, when caching server is deployed in eNodeB and MME/S-GW side or PDN-GW side simultaneously, except can in the caching server of the adjacent eNodeB of the eNodeB that is deployed with caching server, determining to provide for described user the caching server of required business; Can also from the higher level's caching server that is deployed with caching server, determine to provide for described user the caching server of required business, under current scene, higher level's caching server of caching server is the caching server that is deployed in MME/S-GW side or PDN-GW side.
Need to prove, when caching server is deployed in eNodeB and MME/S-GW side or PDN-GW side simultaneously, when the caching server of determine disposing can provide the requested service that the user will set up, can be according to nearby principle, the caching server of described user and eNodeB side is connected.
Need to prove, be built at caching server under the situation of eNodeB, when UE switches to the purpose base station from current source base station, in order to guarantee professional continuity, respective handling method in the time of in embodiment one, can adopting the user who is provided among Fig. 1 embodiment to switch, a pair of this of the embodiment of the invention does not remake giving unnecessary details of repeatability, sees also the related art scheme among Fig. 1.
Adopt the foregoing description one that caching server is deployed in the technical scheme of base station eNodeB side, can save Access Layer/convergence-level/backbone layer and move the backhaul transmission bandwidth, be i.e. transmission bandwidth between eNodeB～MME/S-GW～PDN-GW; Simultaneously, can shorten the time delay between UE and the service server greatly, greatly improve user's business experience.
Embodiment two:
As shown in Figures 7 and 8, caching server is built into the application scenarios of MME/S-GW inside as embodiment two, be applicable to the panel region covering scene, in this overlay area, when having a large number of users to use same line of business, idiographic flow is as follows:
Allocating cache server on mobile network appliance:
Specifically, in the present embodiment caching server is deployed in the MME/S-GW;
Situation according to whether two entities of MME/S-GW are unified or separated can be divided into two kinds of deployment scenario, respectively as shown in Figure 7 and Figure 8;
The application scenarios that Fig. 7 disposes for the unification of MME/S-GW equipment, MME/S-GW belongs to same equipment physically, and therefore this deployment way and the foregoing description one are similar with the mode that caching server is built in eNodeB, are specially:
On the user's face processing module and chain of command processing module basis of existing MME/S-GW, increase the caching server module, and between caching server and existing MME/S-GW, increasing a logic interfacing (Gi ' interface), the function class that this interface is finished is similar to the Gi interface of PDN-GW;
Fig. 8 separates the application scenarios of disposing for MME/S-GW, specifically be that caching server is deployed in the S-GW side, on user's face processing module basis of existing S-GW, increase the caching server module, and between caching server and S-GW, set up one logic interfacing (for example Gi ' interface); Simultaneously, can also increase the processing module that is used to manage interface between caching server module and the S-GW user's face mould piece.
UE initiates service request, and gateway device (for example PDN-GW) determines that according to this request can the subordinate provide the business of being asked at the caching server of mobile device (for example MME/S-GW); Comprise in the destination server address of professional call number, type of service and service request one or more in the described service request;
Concrete, when described caching server can provide asked professional, gateway device is set up professional the connection with described caching server with described user, so that described user obtains the business of being asked to described caching server by the IP address of described caching server; If in the time of can not providing asked professional, then to handle this request by existing mobile service flow process.
Determine that at gateway device gateway device and MME/S-GW carry out Signalling exchange when the caching server that the MME/S-GW sidepiece belongs to can provide asked professional, mutual chain of command information;
Concrete, when UE initiated service request, mobile network's bearer path was set up the flow process of secundum legem and is carried out, simultaneously, carry out Signalling exchange according to the information that comprises in the service request, the chain of command information of intercorrelation between chain of command processing module in the MME/S-GW and the PDN-GW; Wherein, whether this chain of command information: having in IP address distribution, service traffics statistics, UE handover information, the caching server needs the required business of UE etc. if can comprising;
Gateway device is according to the chain of command result, and when storing the required business tine of this UE in the caching server of determining the local subordinate of MME/S-GW side, notice is obtained the business of being asked by Gi ' interface from caching server; Otherwise, from the caching server that is deployed with the adjacent MME/S-GW of caching server MME/S-GW be defined as the caching server that described user provides required business.
Need to prove, when caching server is deployed in MME/S-GW side and PDN-GW side simultaneously, except can in the caching server of the adjacent MME/S-GW of the MME/S-GW that is deployed with caching server, determining to provide for described user the caching server of required business; Can also from the higher level's caching server that is deployed with caching server, determine to provide for described user the caching server of required business, under current scene, higher level's caching server of caching server is to be deployed in the caching server of PDN-GW side or to be original server.
Need to prove, when caching server is deployed in MME/S-GW and PDN-GW side simultaneously, when the caching server of determine disposing can provide the requested service that the user will set up,, the caching server of described user and MME/S-GW side is connected according to nearby principle.
Need to prove, for above-mentioned S-GW Pool scene (with the scene of caching server subordinate) in the S-GW side, the caching server of interior configuration also forms a resource pool, all eNodeB that manage for S-GW Pool provide content service, that is to say, S-GW Pool scene is meant that for eNodeB the terminal use of its access may be by a plurality of S-GW services, and the caching server of each S-GW side friendship at this moment may be the different user service of an eNodeB simultaneously.
Adopt the foregoing description two that caching server is deployed in technical scheme in the MME/S-GW, not only shorten the time delay between UE and the service server, improve user's business experience, simultaneously, save convergence-level/core layer transmission bandwidth resource again.
Embodiment three:
As shown in Figure 9, with caching server subordinate application scenarios as embodiment three on the PDN-GW side, be applicable to the focus covering scene, in this base station coverage area, when having a large number of users to use same line of business, idiographic flow is as follows:
Allocating cache server on mobile network appliance:
Concrete, on PDN-GW side existing subscriber face processing module and chain of command processing module basis, increase the caching server module, and will increase a logic interfacing " Gi ' interface " between caching server and the existing PDN-GW;
UE initiates service request, and gateway device (for example PDN-GW) determines that according to this request can the subordinate provide the business of being asked at the caching server of mobile device (for example MME/S-GW); Comprise in the destination server address of professional call number, type of service and service request one or more in the described service request;
Concrete, when described caching server can provide asked professional, gateway device is set up professional the connection with described caching server with described user, so that described user obtains the business of being asked to described caching server by the IP address of described caching server; If in the time of can not providing asked professional, then to handle this request by existing mobile service flow process.
Gateway device is determined can provide the business of being asked at the caching server that the PDN-GW sidepiece belongs to;
Concrete, when UE initiated service request, mobile network's bearer path was set up the flow process of secundum legem and is carried out; When PDN-GW determines that according to described service request local subordinate's caching server stores the required business tine of this UE, notice UE obtains required business by logic interfacing (for example Gi ' interface) from caching server, otherwise, gateway device will be set up the routing forwarding passage between UE and the original server, so that UE obtains the business of being asked to described original server.
Adopt the foregoing description three that caching server is deployed in the technical scheme of PDN-GW side, can shorten the time delay between UE and the service server, improve user's business experience.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (19)
1. a professional method of setting up is characterized in that, comprising:
Mobile gateway receives the business foundation request that the user sends;
Determine described business can be by the mobile network in subordinate's caching server when providing, described mobile gateway is notified described caching server and described user to set up business to be connected.
2. method according to claim 1 is characterized in that, described method also comprises:
Described mobile gateway receives the redirect request that described caching server sends, and described redirect request is that described caching server sends when determining self not have described business;
Described mobile gateway is according to described redirect request, in higher level's caching server of described caching server, perhaps, with the caching server of described caching server same level in, be defined as the caching server that described user provides described business.
3. method according to claim 2 is characterized in that, described caching server is deployed in the combination in any of base station eNodeB, gateway MME/S-GW and packet data gateway PDN-GW, perhaps,
Described caching server is deployed in the combination in any of eNodeB, MME/S-GW and Gateway GPRS Support Node GGSN.
4. method according to claim 3, it is characterized in that, when if the subordinate sets up professional the connection at the caching server of eNodeB side with described user, described mobile gateway is according to described redirect request, in higher level's caching server of described caching server, perhaps, with the caching server of described caching server same level in, being defined as described user provides the caching server of described business to comprise:
Described mobile gateway in subordinate's the caching server, determines to provide to described user the caching server of described business according to described redirect request on the eNodeB of the adjacent same level of described eNodeB; Perhaps,
Described mobile gateway in the caching server of MME/S-GW side, determines to provide to described user the caching server of described business the subordinate according to described redirect request; Perhaps,
Described mobile gateway in the caching server of PDN-GW or GGSN, determines to provide to described user the caching server of described business the subordinate according to described redirect request; Perhaps,
Described mobile gateway is according to described redirect request, and determining provides described business by original server to described user.
5. method according to claim 4 is characterized in that, when described user switched to target BS from current source base station, described method also comprised:
Have the user required when professional in determining the caching server of described target BS deploy, described gateway is notified and is set up business between the caching server of the caching server of described user and described source base station and described target BS and be connected;
After user's switching was finished, the current business that described gateway notifies described source base station to be released to described user to be provided connected.
6. method according to claim 5 is characterized in that, described method also comprises:
In determining the caching server of described target BS deploy, there is not the user required when professional, determine to provide described business by the caching server that is deployed in MME/S-GW or PDN-GW or GGSN to described user alternately by caching server administrative center and described target BS, described gateway notifies described user to set up professional the connection with the caching server on the described source base station with the caching server on MME/S-GW or PDN-GW or the GGSN;
After user's switching was finished, the current business that described gateway notifies described source base station to be released to described user to be provided connected.
7. method according to claim 3, it is characterized in that, when if the subordinate sets up professional the connection at the caching server of MME/S-GW side with described user, described mobile gateway is according to described redirect request, in higher level's caching server of described caching server, perhaps, with the caching server of described caching server same level in, being defined as described user provides the caching server of described business to comprise:
Described mobile gateway in subordinate's the caching server, determines to provide to described user the caching server of described business according to described redirect request on the MME/S-GW of the adjacent same level of described MME/S-GW; Perhaps,
In the caching server of PDN-GW or GGSN, determine to provide the caching server of described business the subordinate to described user; Perhaps,
Determining provides described business by original server to described user.
8. method according to claim 3, it is characterized in that, when the subordinate sets up professional the connection at the caching server of PDN-GW or GGSN side with described user, described mobile gateway is according to described redirect request, in higher level's caching server of described caching server, perhaps, with the caching server of described caching server same level in, being defined as described user provides the caching server of described business to comprise:
Described mobile gateway is according to described redirect request, in subordinate's the caching server, determines to provide to described user the caching server of described business on the PDN-GW of the adjacent same level of described PDN-GW or GGSN or GGSN; Perhaps, determine to provide described business to described user by original server.
9. according to arbitrary described method in the claim 2 to 8, it is characterized in that described method also comprises:
Determine described business can be by the mobile network in subordinate's caching server when providing, described mobile gateway is according to the shortest path principle, preferentially notify the subordinate to set up professional the connection with described user at the described caching server of eNodeB side, perhaps, according to the load balancing principle, select the caching server of subordinate in the described mobile network to set up professional the connection with described user.
10. a mobile gateway device is characterized in that, comprising:
The request receiver module is used to receive the business foundation request that the user sends;
The determination processing module is used for described professionally setting up request according to what the described request receiver module received, determine described business can be by the mobile network in subordinate's caching server when providing, notify described caching server and described user to set up business and be connected.
11. equipment according to claim 10 is characterized in that, described equipment also comprises:
Professional designated module is used to receive the redirect request that described caching server sends, described request be described determination processing module determine set up the professional described caching server that is connected with described user, determining not have described transmission when professional;
According to described redirect request, in higher level's caching server of described caching server, perhaps, with the caching server of described caching server same level in, be defined as the caching server that described user provides described business.
12. the method that business provides is characterized in that, comprising:
Caching server receives that mobile gateway sends, and sets up the professional notice that is connected with the service request user, described notice be described mobile gateway determine described business can be by the mobile network in the transmission when providing of subordinate's caching server;
Described caching server is set up professional the connection with described user;
Described caching server provides described business to described user when determining described business is arranged self.
13. method according to claim 12 is characterized in that, described method also comprises:
Described caching server is when determining self not have described business, send redirect request to described mobile gateway, so that described mobile gateway is according to described redirect request, in higher level's caching server of described caching server, perhaps, with the caching server of described caching server same level in, be defined as the caching server that described user provides described business.
14. method according to claim 13 is characterized in that, described caching server is deployed in the combination in any of base station eNodeB, gateway MME/S-GW and packet data gateway PDN-GW, perhaps,
Described caching server is deployed in the combination in any of eNodeB, MME/S-GW and Gateway GPRS Support Node GGSN.
15. a caching server is characterized in that, comprising:
The notice receiver module is used to receive that mobile gateway sends, and sets up the professional notice that is connected with the service request user, described notice be described mobile gateway determine described business can be by the mobile network in the transmission when providing of subordinate's caching server;
Connect and to set up module, be used for the described notice that receives according to described notice receiver module, set up professional the connection with described user;
Judge Executive Module, be used for when determining described business is arranged self,, providing described business to set up the described user that module is set up described connection by described connection.
16. server according to claim 15 is characterized in that, described server also comprises:
The dispatch request module, be used for when described judgement Executive Module determines self not have described business, send redirect request to described mobile gateway, so that described mobile gateway is according to described redirect request, in higher level's caching server of described caching server, perhaps, with the caching server of described caching server same level in, be defined as the caching server that described user provides described business.
17. server according to claim 16, it is characterized in that, described caching server is deployed in the combination in any of base station eNodeB, gateway MME/S-GW and packet data gateway PDN-GW, perhaps, described caching server is deployed in the combination in any of eNodeB, MME/S-GW and Gateway GPRS Support Node GGSN.
18. server according to claim 17 is characterized in that, described caching server subordinate links to each other by logic interfacing between described caching server and the described eNodeB when eNodeB;
Described caching server subordinate is at described MME/S-GW, and MME/S-GW is when being same equipment physically, links to each other by logic interfacing between described caching server and the described MME/S-GW;
Described caching server subordinate is at described MME/S-GW, and MME/S-GW is when separating the subordinate, links to each other by logic interfacing between described caching server and the described S-GW;
Described caching server subordinate is at described PDN-GW or GGSN, links to each other by logic interfacing between described caching server and described PDN-GW or the GGSN.
19. a service providing system is characterized in that, comprising:
As arbitrary described mobile gateway device among the claim 10-12, and as arbitrary described caching server among the claim 15-18.
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