CN103384365B - A kind of method for network access, method for processing business, system and equipment - Google Patents

A kind of method for network access, method for processing business, system and equipment Download PDF

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Publication number
CN103384365B
CN103384365B CN201210132566.0A CN201210132566A CN103384365B CN 103384365 B CN103384365 B CN 103384365B CN 201210132566 A CN201210132566 A CN 201210132566A CN 103384365 B CN103384365 B CN 103384365B
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network
terminal unit
service
distributing strategy
access
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CN103384365A (en
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曾莉芬
全力
常毅
胡剑炜
赵佑春
赵岑
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China Mobile Group Hunan Co Ltd
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China Mobile Group Hunan Co Ltd
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Abstract

The invention discloses a kind of method for network access, method for processing business, system and equipment, main contents include: terminal unit is when concurrently accessing multiple network, determine service IP address that access gateway is its distribution of one of them network institute grappling of access, and after the arbitrary network in being successfully accessed the plurality of network, IP address request information is sent to described access gateway, require described access gateway using described service IP address as terminal unit IP address used in the network being currently successfully accessed, owing to the terminal unit in the present invention obtains identical IP address in different networks, therefore, terminal unit can be successfully accessed multiple network, and then user can use multiple network of network resource, improve data transmission bauds, improve the business experience of user.

Description

A kind of method for network access, method for processing business, system and equipment
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method for network access, method for processing business, System and equipment.
Background technology
Along with the fast development of communication technology, cellular carrier provides the user multiple Radio Access Network, respectively It is completely self-contained for planting between Radio Access Network, such as: Long Term Evolution (Long Term Evolution, LTE) network, 3G (Third Generation) Moblie (3rd-Generation, 3G) network, WLAN (Wireless Local Area Network, WLAN) network.
Meanwhile, terminal unit is also provided with for the multiple AM access modules accessing heterogeneous networks, such as figure User terminal shown in 1 has 3 AM access modules, is 3G AM access module, LTE AM access module and WLAN AM access module, under different application scene, terminal unit is for utilizing different accesses as required Module accesses corresponding network.
Such as: terminal unit according to standard 802.1x access WLAN access process as in figure 2 it is shown, Comprise the following steps:
Step 100: terminal unit search WLAN signal, and the WLAN service set that will search (Service Set Identifier, SSID) is organized into list.
Step 101: terminal unit is according to the WLAN SSID of configuration in self EMS memory and searches WLAN SSID compares, if both couplings, then automatically initiates access.
Step 102: terminal unit actively initiates extended authentication Protocol-User mark module/authentication and key is assisted Business (Extensible Authentication Protocol-Subscriber Identity Module/Authentication And Key Agreement, EAP-SIM/AKA) certification, via the certification in AC and 3G network, Authorize, charging (The 3rd Generation Partnership Project, Authentication, Authorization, Accounting, 3GPPAAA) server interaction, complete authenticating user identification.
Step 103:3GPPAAA is from attaching position register/home subscriber server (Home Location Register/Home Subscriber Server, HLR/HSS) obtain user authentication parameter, complete and terminal The EAP-SIM/AKA certification of equipment.
Wireless controller in step 104:WLAN network/BAS Broadband Access Server (Access Controller/Broadband Remote Access Server, AC/BRAS) distribute local IP ground to user Location.
Step 105, terminal unit is initiated to name server (Domain according to the local ip address obtained Name Server, DNS) inquiry request, DNS according to APN inquiry packets data gateway/enhancement mode point Group data gateway (Packet Data Gateway/enhanced Packet Data Gateway, PDG/ePDG) Gateway ip address, and Query Result is returned to terminal unit.
Described inquiry request carries WAP (the Access Point of configuration in terminal unit internal memory Name, APN).
Step 106: terminal unit according to the gateway ip address of the PDG/ePDG received to PDG/ePDG The interconnection of originating Internet secret key switch version 2 (Internet Key Exchange version 2, IKEv2) (Internet Protocol Security, IPsec tunnel negotiation process is set up and is set from terminal in fidonetFido safety The standby IPsec tunnel to PDG/ePDG.
After step 107:IPsec tunnel is set up, PDG/ePDG is that terminal unit distributes service IP address.
Terminal unit can use described service IP address, the network data message of carrying user, and WLAN The local ip address that AC/BRAS in network distributes to terminal unit is as the tunnel transmission address of IPsec.
Step 108: terminal unit complete access wlan network flow process, initiate data service, by self Business Stream is encapsulated into IPsec tunnel, and via PDG/ePDG, traffic data is sent to wireless access network Close.
It is above the terminal unit of explanation as a example by WLAN and accesses the process of WLAN, access for 3G Module accesses process and the process of LTE module access 3G network of 3G network, all can be according to existing 3GPP standard access.
But, under existing multiple Radio Access Network framework, even if terminal unit is positioned at multiple wireless connect Entering the region that network collectively covers, terminal unit is also only in the mode of above-mentioned WLAN, 3G, LTE One of them wireless network is selected to access, it is impossible to really to realize terminal unit and be concurrently accessed multiple wireless network also Use the Internet resources of multiple wireless network.
Summary of the invention
Embodiments provide a kind of method for network access, method for processing business, system and equipment, use To solve the problem that terminal unit can not be concurrently accessed multiple network present in prior art.
A kind of method for network access, described method includes:
Terminal unit, when the multiple network of parallel access, determines the access of one of them network institute grappling of access Gateway is the service IP address of its distribution;
After the terminal unit arbitrary network in being successfully accessed the plurality of network, send to described access gateway IP address request information, it is desirable to described access gateway using described service IP address as terminal unit currently IP address used in the network being successfully accessed.
A kind of method for network access, described method includes:
Accessing gateway is that terminal unit distributes a service IP address;
Access gateway after being successfully accessed arbitrary network, receives the IP that this terminal unit sends at this terminal unit Address request information, and using described service IP address as this terminal unit at the network being currently successfully accessed Used in IP address.
A kind of method for processing business, described method includes:
Terminal unit sends service distributing strategy solicited message to network side, receives and store what network side returned Service distributing strategy;
Terminal unit, according to the service distributing strategy received, determines the network carrying information to be sent, and utilizes The network determined sends described information to be sent.
A kind of method for processing business, described method includes:
Access gateway and receive and store the service distributing strategy for described terminal unit that network side issues;
When the business datum of this terminal unit arrives, access gateway, according to described service distributing strategy, determines Carry the network of described business datum, and utilize the network determined to send described business datum.
A kind of terminal unit, described terminal unit includes:
Determine module, for when the multiple network of parallel access, determining one of them network institute grappling of access Access gateway be terminal unit distribution service IP address;
IP Address requests module, after the arbitrary network in being successfully accessed the plurality of network, to described Access gateway send IP address request information, it is desirable to described access gateway using described service IP address as end End equipment IP address used in the network being currently successfully accessed.
A kind of access gateway, described access gateway includes:
IP address assignment module, for distributing a service IP address for terminal unit;
IP Address requests receiver module, is used for, at described terminal unit after being successfully accessed arbitrary network, receiving The IP address request information that described terminal unit sends, and using described service IP address as this terminal unit IP address used in the network being currently successfully accessed.
A kind of network access system, described network access system includes:
Terminal unit, for when the multiple network of parallel access, determining one of them network institute grappling of access Access service IP address that gateway is its distribution, and arbitrary in being successfully accessed the plurality of network After network, send IP address request information to described access gateway;
Access gateway, for distributing a service IP address for terminal unit, receive this terminal unit and send IP address request information, and described service IP address is currently being successfully accessed as this terminal unit IP address used in network.
Owing to the terminal unit in the present invention obtains identical IP address in different networks, therefore, Terminal unit can be successfully accessed multiple network, and can obtain industry from network side after being successfully accessed multiple network Business distributing strategy, meanwhile, accesses gateway and also obtains the service distributing strategy of this terminal unit from network side, Different message to be sent can be sent out to different networks by terminal unit according to the service distributing strategy obtained Send, access gateway when receiving the business datum of this terminal unit, it is possible to according to the service distributing plan obtained Slightly different business datums is sent by different network so that terminal unit can use multiple network Internet resources, improve data transmission bauds, improve the business experience of user.
Accompanying drawing explanation
Fig. 1 is the terminal unit schematic diagram in background technology;
Fig. 2 is the schematic flow sheet that the terminal unit in background technology accesses wlan network;
Fig. 3 is the method for network access schematic diagram in the embodiment of the present invention one;
Fig. 4 is the method for processing business schematic diagram in the embodiment of the present invention one;
Fig. 5 be the network that the terminal unit in the embodiment of the present invention two accesses first be 3G/LTE, and simultaneously Initiate to access the schematic flow sheet of WLAN;
Fig. 6 is that the terminal unit in the embodiment of the present invention two is concurrently accessed 3G/LTE network and wlan network The schematic flow sheet of backward Network Capture distributing strategy;
Fig. 7 is the flow chart that in the embodiment of the present invention two, terminal unit carries out Business Processing;
Fig. 8 is that in the embodiment of the present invention two, terminal unit keeps data service continuous print schematic flow sheet;
Fig. 9 is the terminal unit structural representation in the embodiment of the present invention three;
Figure 10 is the access gateway structural representation in the embodiment of the present invention four;
Figure 11 is the network access system schematic diagram in the embodiment of the present invention five.
Detailed description of the invention
Access network in each network is closed and is merged by the embodiment of the present invention, also will connecing in each network Function Access Gateway permeates and to access a gateway, and the upstream data of terminal unit can be by the access network obtained after merging Pass is sent to each network, and each network is sent to the downlink data of terminal unit and can also obtain by after this fusion Access gateway be sent to terminal unit by each network.The access gateway related in the embodiment of the present invention exists In the case of being not particularly illustrated, the access gateway obtained after being described fusion.
Additionally, the terminal unit in the embodiment of the present invention is to have the AM access module accessed needed for each network Terminal unit.
Below in conjunction with specific embodiment, the present invention program is described in detail.
Embodiment one
As it is shown on figure 3, be the method flow schematic diagram of network insertion in the embodiment of the present invention one, including following Step:
Step 201: terminal unit sends access request message to multiple networks.
Owing to terminal unit has the AM access module accessed needed for each network, therefore in this step 201, Terminal unit can send access request message to multiple networks.
Step 202: terminal unit determines that the access gateway of its one of them accessed network institute grappling is self The service IP address of distribution.
At terminal unit after network sends access request message, access gateway and terminal unit is anchored on certainly Body, and distribute service IP address in the network for terminal unit, terminal unit receives the plurality of net Network is the service IP address of its distribution, and determines the access gateway of its one of them accessed network institute grappling Service IP address for self distribution.
Preferably, described terminal unit, when the multiple network of parallel access, determines one of them network of access The access gateway of institute's grappling particularly as follows:
Terminal unit, when the multiple network of parallel access, determines the access of the wireless network institute grappling accessed first Gateway.
Terminal unit determines the access gateway of the wireless network institute grappling accessed first, and now, terminal unit is i.e. Can determine that the service IP address that this access gateway is its distribution, and then other network can be successfully accessed faster.
Step 203: after the terminal unit arbitrary network in being successfully accessed the plurality of network, to access network Close and send IP address request information, described IP address request information carries described service IP address.
Step 204: access gateway and described service IP address is currently being successfully accessed as this terminal unit IP address used in network.
Preferably, when the described network accessed first is not for wlan network, terminal unit accesses WLAN Network specifically includes:
Accessing gateway is that terminal unit issues SSID;
The SSID that the SSID that self is searched by terminal unit issues with access gateway compares, if Join, then access wlan network.
Terminal unit utilizes above-mentioned method for network access, after accessing multiple network, owing to terminal unit is in difference Network in there is identical IP address, therefore, it can the transmission utilizing multiple network to carry out business datum.
In the method for network access of the embodiment of the present invention one, accessing gateway is that same terminal unit is at different nets The service IP address that network distribution is identical so that terminal unit can send business number to different networks simultaneously According to, and receive the business datum sent from heterogeneous networks, therefore, the utilizable Netowrk tape of terminal unit The sum of a width of multiple network bandwidth, accelerates data transmission bauds, improves Consumer's Experience.
After terminal unit is successfully accessed multiple network, the embodiment of the present invention also provides for a kind of Business Processing side Method, as shown in Figure 4, described method includes:
Step 301: terminal unit sends service distributing strategy solicited message to network side.
In this step 301, terminal unit can be sent out to any one network in its network being currently accessed Sending service distributing strategy solicited message, asking this network is its issuing service distributing strategy.
Concrete, the network identity of current accessed network is carried by terminal unit asks at service distributing strategy In information, and described service distributing strategy solicited message is sent to network side.
Step 302: network side is that terminal unit determines distributing strategy, and sets to described access gateway and terminal Preparation gives the distributing strategy of this terminal unit.
Concrete, that carries in the service distributing strategy solicited message that network side then sends according to terminal unit works as Before the network corresponding to network identity that accessed be that this terminal unit determines service distributing strategy, this business is divided Flow Policy contains the corresponding relation of type of service and bearer network.
It should be noted that network side does not limit to and is currently accessed with according to terminal unit in the embodiment of the present invention Network determine the service distributing strategy of terminal unit, it is also possible to combine the load that network is current, determine business Distributing strategy, such as: the network that terminal unit is currently accessed is A network and B network, the industry of type-A Business is suitable for the transmission of A network, but current A network load is heavier, and B network load is relatively light, then determining During service distributing strategy, can be by the service bearer of this type-A at B network.
In a word, network side determines that total principle of distributing strategy is the business datum of terminal unit to be diverted to Most suitable network is transmitted.
Step 303: access gateway and terminal unit receives and store described service distributing strategy.
Step 304: terminal unit, according to the service distributing strategy received, determines the pending of carrying current business Deliver letters the network of breath, and send described information to be sent to the network determined.
Preferably, terminal unit, according to the service distributing strategy received, determines the network carrying information to be sent, Particularly as follows:
Terminal unit determines the type of service of current message to be sent, according to the industry comprised in service distributing strategy Service type and the corresponding relation of bearer network, determine the network carrying current information to be sent.
Step 305: when the business datum of this terminal unit arrives, accesses gateway according to described service distributing Strategy, determines the network carrying described business datum, and utilizes the network determined to send described business datum.
Preferably, access gateway, according to described service distributing strategy, determines the network carrying described business datum, Particularly as follows:
Access gateway and determine the type of service of described business datum, according to the business in described service distributing strategy Type and the corresponding relation of bearer network, determine the network carrying described business datum.
It should be noted that the business datum in this step 305 include terminal unit uplink business data (from Terminal unit is sent to the data of network side) and the downlink service data of terminal unit (network side is sent to terminal The data of equipment).
In step 302, the service distributing strategy issued is sent to access the purpose of gateway and is by network side, When the business datum of this terminal unit arrives and accesses gateway, accessing gateway can be according to described service distributing plan Slightly, determine the network carrying described business datum, and send described business datum to the network determined, namely The scheme of this step 305, and then make the business datum of terminal unit up and descending all most suitable Transmission over networks.
Preferably, when terminal unit disconnects the connection with any one network in the plurality of network, described Method for processing business also includes:
The first step: terminal unit sends service distributing strategy solicited message to network side again.
Described service distributing strategy solicited message carries the network of the currently practical access network of terminal unit Mark.
In this step first step, owing to terminal unit is disconnected its wherein one or more networks accessed Connecting, therefore, original service distributing strategy can not use, and terminal unit need to redefine service distributing Strategy.Terminal unit is when sending service distributing strategy request to network side, it is possible to the business that the most first adjusts is divided Flow Policy, in order to used before receiving new service distributing strategy.
Second step: network side, according to the network identity of described currently practical access network, is terminal unit again Issuing service distributing strategy.
3rd step: access gateway and receive and the terminal unit described service distributing strategy of reception, and by locally stored Service distributing strategy be updated to this receive service distributing strategy.
In the method for processing business of the embodiment of the present invention one, network side is according to the net accessed of terminal unit Network is terminal unit issuing service distributing strategy so that terminal unit effectively can will make use of each network Advantage, it is achieved the complementation of the data transmission of heterogeneous networks, accelerates data transmission bauds, optimizes network money The use in source, improves Consumer's Experience.
Above-mentioned network insertion and method for processing business, the most applicable to cable network and wireless network, it is contemplated that existing Have a development trend of network, preferably, described network be 3G network, LTE network, wlan network or Cable network.
Embodiment two
The embodiment of the present invention two will be concurrently accessed as a example by 3G/LTE, wlan network enforcement by terminal unit Method and the method for processing business of the network insertion in example one are described in detail.
In the embodiment of the present invention two, it is wireless network owing to terminal unit accesses the network being concurrently accessed, therefore In the embodiment of the present invention two, the access gateway in the embodiment of the present invention one is referred to as wireless access gateway.
As it is shown in figure 5, the network accessed first for terminal unit is 3G/LTE, and initiate to access simultaneously The schematic flow sheet of WLAN, comprises the following steps:
Step 400: terminal unit initiates 3G/LTE access process, determines its wireless in 3G/LTE grappling Accessing gateway is its service IP address issued.
Meanwhile, the SSID of search wlan network, and the SSID searched is organized into list.
Step 401: wireless access gateway is that terminal unit issues SSID.
In this step 401, wireless access gateway is actively that terminal unit issues SSID, decreases user Operation for network insertion participates in, and optimizes user and uses the business experience of terminal in movement.
Step 402: the SSID that the SSID that self is searched by terminal unit and wireless access gateway issue enters Row compares, if comparative result is coupling, then initiates the access of WLAN, and performs step 403;As Really comparative result is not for mate, and does not the most initiate the access of WLAN.
Step 403: terminal unit accesses WLAN according to the flow process of step 102-step 108 in background technology Network.
Step 404: terminal unit initiates IP Address requests to described wireless access gateway, asks described wireless Accessing gateway is that it distributes described service IP address as its IP address used in wlan network.
Concrete, terminal unit initiates IP Address requests by (e) PDG to wireless access gateway.
Step 405: wireless access gateway is that terminal unit sends described service IP address.
Through above-mentioned steps 401-step 405, terminal unit has been concurrently accessed 3G/LTE, WLAN, after When the business datum of continuous terminal unit is processed by multiple wireless networks, terminal unit needs to know service distributing plan Slightly, in order to the business datum of different types of service is sent by different networks.Such as Fig. 6 institute Show, be concurrently accessed after 3G/LTE network and wlan network to Network Capture distributing strategy for terminal unit Schematic flow sheet, specific as follows:
Step 501: terminal unit is linked into 3G/LTE network, accessing data service.
Step 502: after terminal unit obtains the IP address of 3G/LTE network allocation, sends industry to network side Business distributing strategy solicited message, carries the network identity of 3G/LTE in this service distributing strategy solicited message.
Step 503: terminal unit accesses wlan network.
Step 504: after terminal unit obtains the described service IP address that wireless access gateway is its distribution, to Network side sends service distributing strategy solicited message, carries in this service distributing strategy solicited message 3G/LTE, the network identity of wlan network.
From above-mentioned steps 501-step 504, terminal unit is when being successfully accessed a network every time, all Service distributing strategy request message can be sent to network side.Terminal unit receives network side for step 502 In service distributing strategy request and the service distributing strategy that returns, also have received network side for step Service distributing strategy request in 504 and the service distributing strategy that returns, terminal unit is according to being currently accessed Network, determines the service distributing strategy of final utilization, and in the present embodiment, terminal determines the industry of final utilization Business distributing strategy is the service distributing plan that network side returns for the service distributing strategy request in step 504 Slightly, described service distributing strategy contains the corresponding relation of type of service and bearer network.
General, service distributing strategy can be: the type of service that service quality (QoS) is high passes through 3G/LTE Network sends, such as speech business;The type of service that service quality (QoS) is low is sent out by wlan network Send, such as instant messaging service.
Network side is that terminal unit has issued service distributing strategy, and terminal unit can be according to this service distributing plan Slightly carry out the transmission of business datum.As it is shown in fig. 7, the service distributing issued according to network side for terminal unit Strategy carries out the flow chart of Business Processing, comprises the following steps:
Step 601: terminal unit initiates the first data service, determines the type of described first data service, The service distributing strategy issued according to network side, determines that described first data service of carrying is wlan network, Described first data service is sent by wlan network.
Step 602: described first business datum arrives wireless access gateway, and wireless access gateway is according to this locality Described first business datum is sent at wlan network by the service distributing strategy of this terminal unit stored Reason.
Step 603: terminal unit initiates the second data service, determines the type of described second data service, The service distributing strategy issued according to network side, determines that described second data service of carrying is 3G network, will Described second data service is sent by 3G network.
Step 604, described second business datum arrives wireless access gateway, and wireless access gateway is according to this locality Described second business datum is sent to 3G network and processes by the service distributing strategy of this terminal unit stored.
From terminal unit network insertion process and the business procession of the present embodiment two, terminal unit can To be concurrently accessed 3G/LTE network and wlan network, and according to service distributing strategy by different types of industry Business data send and process to different networks, add user data service bandwidth (user data service Bandwidth is the bandwidth sum of its each network accessed), optimize the use of Internet resources, improve data Transmission speed, and then improve Consumer's Experience.
Assume that the network that terminal unit is concurrently accessed is WLAN and 3G network, be moved at terminal unit After leaving wlan network covering, terminal unit still can keep data service continuous, keeps data service even Continuous schematic flow sheet as shown in Figure 8, comprises the following steps:
Step 701: terminal unit initiates the 3rd business datum, determines the type of described 3rd data service, The service distributing strategy issued according to network side, determines that described 3rd data service of carrying is wlan network.
Step 702: described 3rd data service is sent to wireless access by terminal unit by wlan network Gateway.
Step 703: terminal unit is moved and leaves wlan network coverage, and terminal unit detects Wlan network wireless signal is unavailable.
Step 704: terminal unit adjusts the transmission path of business datum automatically, by described 3rd data service It is transmitted by 3G network, and notifies that network side carries out the renewal of service distributing strategy.
In above-mentioned steps 704, due to terminal unit can the network only surplus next one, i.e. 3G network, Now, terminal unit is no longer to network side requested service distributing strategy, but notice network side updates service distributing Strategy, in order to the business datum of the processing terminal equipment that network side can be correct.
If in above-mentioned steps 704, when terminal unit still has two available networks, terminal unit will be to Network side resends service distributing strategy solicited message, the service distributing strategy received according to this, sends out Send business datum, it is ensured that the business of user remains continuous.
In sum, as long as terminal unit keeps being connected with a network, data traffic transmission can be ensured Not interrupting, the experience of user is unaffected.
Same, when terminal unit newly accesses a network, the most now business will be resend to network side Distributing strategy solicited message, the service distributing strategy received according to this, send business datum, it is ensured that industry Business data are passed through most suitable network in the network being currently accessed and are sent.
Embodiment three
As it is shown in figure 9, the terminal unit structural representation in the embodiment of the present invention three, described terminal unit 100 Comprise determining that module 11 and IP Address requests module 12, wherein:
Determine module 11, for when the multiple network of parallel access, determining one of them network institute anchor of access Fixed accesses the service IP address that gateway is terminal unit distribution.
IP Address requests module 12, after the arbitrary network in being successfully accessed the plurality of network, to Described access gateway sends IP address request information, it is desirable to described service IP address is made by described access gateway For terminal unit IP address used in the network being currently successfully accessed.
Preferably, described determine module 11, specifically for parallel access multiple network time, determine and connect first The gateway that accesses of the network institute grappling entered is the service IP address that terminal unit distributes.
Preferably, described terminal unit also includes:
SSID receiver module 13, for when the described network accessed first is not for wlan network, receiving The SSID that described access gateway issues.
Comparison module 14, the SSID and terminal unit for utilizing access gateway to issue searches self SSID compares, and when comparative result is for coupling, triggers wlan network AM access module 15.
Wlan network AM access module 15, is used for accessing wlan network.
Preferably, described terminal unit also includes:
Service distributing strategy request module 16, for sending service distributing strategy solicited message to network side.
Service distributing strategy receiver module 17, for receiving the service distributing strategy that network side returns.
Memory module 18, for storing the service distributing strategy that network side returns.
Information sending module 19, for according to the service distributing strategy received, determining and carry information to be sent Network, and utilize the network determined to send described information to be sent.
Preferably, described service distributing strategy request module 16, work as specifically for sending to carry to network side The service distributing strategy solicited message of the network identity of front accessed network, instruction network side connects according to described The network entered is its issuing service distributing strategy.
Described information sending module 19, specifically for determining the type of service of current information to be sent, according to industry The type of service comprised in business distributing strategy and the corresponding relation of bearer network, determine that carrying is the most pending and deliver letters The network of breath.
Preferably, described service distributing strategy request module 16, it is additionally operable to when terminal unit disconnects with described many The connection of any one network in individual network, or when terminal unit newly accesses a network, again to network Side sends service distributing strategy solicited message.
Service distributing strategy receiver module 17, is additionally operable to receive network side according to the currently practical access of terminal unit Network return service distributing strategy.
Described memory module 18, is additionally operable to utilize network side to return according to the network of the currently practical access of terminal unit The service distributing strategy returned updates locally stored service distributing strategy.
Embodiment four
As shown in Figure 10, the access gateway structural representation in the embodiment of the present invention four, described access gateway 200 include: IP address assignment module 21 and IP Address requests receiver module 22, wherein:
IP address assignment module 21, for distributing a service IP address for terminal unit.
IP Address requests receiver module 22, is used at described terminal unit after being successfully accessed arbitrary network, Receive the IP address request information that described terminal unit sends, and using described service IP address as this terminal Equipment IP address used in the network being currently successfully accessed.
Preferably, described access gateway also includes:
SSID sending module 23, for issuing SSID for terminal unit, and indicates terminal unit accessing Before wlan network, the SSID utilizing described SSID and terminal unit self to search compares, When comparative result is for coupling, terminal unit accesses wlan network.
Preferably, described access gateway also includes:
Service distributing strategy receiver module 24, for receiving the industry for described terminal unit that network side issues Business distributing strategy.
Memory module 25, for storing the service distributing strategy of described terminal unit.
Business datum sending module 26, for when the business datum of this terminal unit arrives, according to described industry Business distributing strategy, determines the network carrying described business datum, and utilizes the network determined to send out to terminal unit Send described business datum.
Preferably, described service distributing strategy is that network side please according to the service distributing strategy that terminal unit sends The network identity seeking the current accessed network of the terminal unit carried in information determines, wherein comprises service class Type and the corresponding relation of bearer network;
Described business datum sending module 26, specifically for when this terminal unit business datum arrive time, really The type of service of fixed described business datum, according to the type of service in described service distributing strategy and bearer network Corresponding relation, determine the network carrying described business datum, and utilize the network determined to send out to terminal unit Send described business datum.
Preferably, described service distributing strategy receiver module 24, it is additionally operable to disconnect and institute at described terminal unit State the connection of any one network in multiple network, or when terminal unit newly accesses a network, receive net The service distributing strategy of the terminal unit that network side issues according to the network of the currently practical access of terminal unit.
Described memory module 25, is additionally operable to utilize network side to return according to the network of the currently practical access of terminal unit The service distributing strategy returned updates locally stored service distributing strategy.
Embodiment five
As shown in figure 11, the network access system schematic diagram in the embodiment of the present invention five, described network insertion System includes: terminal unit 31 and access gateway 32, wherein:
Terminal unit 31, for when the multiple network of parallel access, determining one of them network institute anchor of access Fixed accesses the service IP address that gateway is its distribution, and appointing in being successfully accessed the plurality of network After one network, send IP address request information to described access gateway.
Access gateway 32, for distributing a service IP address for terminal unit, receive this terminal unit and send out The IP address request information sent, and described service IP address is currently being successfully accessed as this terminal unit Network used in IP address.
Preferably, described terminal unit 31, specifically for when the multiple network of parallel access, determining and connect first The gateway that accesses of one of them the network institute grappling entered is its service IP address distributed.
Preferably, described access gateway 32, it is additionally operable at the described network accessed first not for WLAN net During network, issue SSID for terminal unit.
Described terminal unit 31, is additionally operable to receive the SSID that described access gateway issues, and utilizes access network SSID and terminal unit that pass issues self search SSID and compare, when comparative result is for coupling, Access wlan network.
Described terminal unit 31, is additionally operable to send service distributing strategy solicited message to network side, receives and deposit The service distributing strategy that storage network side returns, and according to the service distributing strategy received, determine that carrying is pending Deliver letters the network of breath, and utilize the network determined to send described information to be sent;
Described access gateway 32, is additionally operable to receive the service distributing for described terminal unit that network side issues Strategy, and when the business datum of this terminal unit arrives, according to described service distributing strategy, determine carrying The network of described business datum, and utilize the network determined to send described business datum to terminal unit.
Preferably, described terminal unit 31, specifically for carrying the network identity of current accessed network In service distributing strategy solicited message, and service distributing strategy solicited message is sent to network side, indicates net Network side is its issuing service distributing strategy according to the described network accessed, and determines current information to be sent Type of service, according to the corresponding relation of the type of service comprised in service distributing strategy Yu bearer network, really Surely the network of current information to be sent is carried.
Described access gateway 32, specifically for when the business datum of this terminal arrives, determining described business number According to type of service, according to the corresponding relation of the type of service in described service distributing strategy Yu bearer network, Determine the network carrying described business datum.
Preferably, described terminal unit 31, it is additionally operable to when disconnecting and any one network in the plurality of network Connection, or when terminal unit newly accesses a network, again sending service distributing strategy to network side please Seek information, receive the service distributing strategy that network side returns according to the network of the currently practical access of terminal unit, And update locally stored service distributing strategy.
Described access gateway 32, is additionally operable to when disconnecting and the connection of any one network in the plurality of network, Or when terminal unit newly accesses a network, receive the network side net according to the currently practical access of terminal unit The service distributing strategy of the terminal unit that network issues, and the service distributing strategy of this terminal unit is carried out more Newly.
Obviously, those skilled in the art can carry out various change and modification without deviating from this to the present invention Bright spirit and scope.So, if the present invention these amendment and modification belong to the claims in the present invention and Within the scope of its equivalent technologies, then the present invention is also intended to comprise these change and modification.

Claims (21)

1. a method for network access, it is characterised in that described method includes:
Terminal unit is when the multiple network of parallel access, determine service IP address that access gateway is its distribution of one of them network institute grappling of access, the access gateway of described institute grappling is: the access gateway of the network institute grappling that terminal unit accesses first, and described access gateway is the access gateway after merging;
After the terminal unit arbitrary network in being successfully accessed the plurality of network, send IP address request information to described access gateway, it is desirable to described access gateway using described service IP address as terminal unit IP address used in the network being currently successfully accessed.
2. the method for claim 1, it is characterised in that described network is 3G (Third Generation) Moblie 3G network, Long Term Evolution LTE network, WLAN wlan network or cable network.
3. the method for claim 1, it is characterised in that when the described network accessed first is not for wlan network, terminal unit follow-up access wlan network, specifically include:
Terminal unit receives service set SSID that described access gateway issues;
The SSID that the SSID that terminal unit utilizes access gateway to issue searches with self compares, and when comparative result is for coupling, accesses wlan network.
4. a method for network access, it is characterised in that described method includes:
Accessing gateway is that terminal unit distributes a service IP address, and described access gateway is the access gateway of the network institute grappling that terminal unit accesses first when accessing multiple network, and described access gateway is the access gateway after merging;
Access gateway at this terminal unit after being successfully accessed arbitrary network, receive the IP address request information that this terminal unit sends, and using described service IP address as this terminal unit IP address used in the network being currently successfully accessed.
5. method as claimed in claim 4, it is characterised in that when the described network accessed first is not for wlan network, terminal unit follow-up access wlan network, specifically include:
Accessing gateway is that terminal unit issues service set SSID, and indicates terminal unit before accessing wlan network, and the SSID utilizing described SSID and terminal unit self to search compares, and when comparative result is for coupling, terminal unit accesses wlan network.
6. the method for processing business after the method for network access access network that a kind utilizes described in claim 1, it is characterised in that described method includes:
Terminal unit sends service distributing strategy solicited message to network side, receives and store the service distributing strategy that network side returns;
Terminal unit determines the type of service of current information to be sent, according to the corresponding relation of the type of service comprised in service distributing strategy Yu bearer network, determines the network carrying current information to be sent, and utilizes the network determined to send described information to be sent.
7. method for processing business as claimed in claim 6, it is characterised in that described terminal unit sends service distributing strategy solicited message to network side, specifically includes:
The network identity of current accessed network is carried in service distributing strategy solicited message by terminal unit, and service distributing strategy solicited message is sent to network side, and instruction network side is its issuing service distributing strategy according to the described network accessed.
8. method for processing business as claimed in claim 6, it is characterised in that when terminal unit disconnects and the connection of any one network in the plurality of network, or when terminal unit newly accesses a network, described method also includes:
Terminal unit sends service distributing strategy solicited message to network side again, receives the service distributing strategy that network side returns according to the network of the currently practical access of terminal unit, and updates locally stored service distributing strategy.
9. the method for processing business after the method for network access access network that a kind utilizes described in claim 4, it is characterised in that described method includes:
Accessing gateway and receive and store the service distributing strategy for described terminal unit that network side issues, wherein, described access gateway is the access gateway after merging;
When the business datum of this terminal unit arrives, access gateway and determine the type of service of described business datum, according to the corresponding relation of the type of service in described service distributing strategy Yu bearer network, determine the network carrying described business datum, and utilize the network determined to send described business datum.
10. method for processing business as claimed in claim 9, it is characterized in that, the network identity of the current accessed network of terminal unit carried in the service distributing strategy solicited message that described service distributing strategy is network side to be sent according to terminal unit determines, wherein comprises the corresponding relation of type of service and bearer network.
11. method for processing business as claimed in claim 9, it is characterised in that disconnect and the connection of any one network in the plurality of network at described terminal unit, or when terminal unit newly accesses a network, described method also includes:
Access gateway and receive the service distributing strategy of the terminal unit that network side issues according to the network of the currently practical access of terminal unit, and update the locally stored service distributing strategy for this terminal unit.
12. 1 kinds of terminal units, it is characterised in that described terminal unit includes:
Determine module, for when the multiple network of parallel access, determine the service IP address that access gateway is terminal unit distribution of one of them network institute grappling of access, specifically for when the multiple network of parallel access, determine the network institute grappling accessed first accesses the service IP address that gateway is terminal unit distribution, wherein, described access gateway is the access gateway after merging;
IP Address requests module, after the arbitrary network in being successfully accessed the plurality of network, send IP address request information to described access gateway, it is desirable to described access gateway using described service IP address as terminal unit IP address used in the network being currently successfully accessed.
13. terminal units as claimed in claim 12, it is characterised in that described terminal unit also includes:
Service set SSID receiver module, for when the described network accessed first is not wlan network, receiving the SSID that described access gateway issues;
Comparison module, the SSID that the SSID and terminal unit for utilizing access gateway to issue searches self compares, and when comparative result is for coupling, triggers wlan network AM access module;
Wlan network AM access module, is used for accessing wlan network.
14. terminal units as claimed in claim 12, it is characterised in that described terminal unit also includes:
Service distributing strategy request module, for sending service distributing strategy solicited message to network side;
Service distributing strategy receiver module, for receiving the service distributing strategy that network side returns;
Memory module, for storing the service distributing strategy that network side returns;
Information sending module, for according to the service distributing strategy received, determines the network carrying information to be sent, and utilizes the network determined to send described information to be sent.
15. terminal units as claimed in claim 14, it is characterised in that
Described service distributing strategy request module, specifically for sending the service distributing strategy solicited message of the network identity carrying current accessed network to network side, instruction network side is its issuing service distributing strategy according to the described network accessed;
Described information sending module, specifically for determining the type of service of current information to be sent, according to the corresponding relation of the type of service comprised in service distributing strategy Yu bearer network, determines the network carrying current information to be sent.
16. terminal units as claimed in claim 15, it is characterised in that
Described service distributing strategy request module, is additionally operable to when terminal unit disconnects and the connection of any one network in the plurality of network, or when terminal unit newly accesses a network, again sends service distributing strategy solicited message to network side;
Service distributing strategy receiver module, is additionally operable to receive the service distributing strategy that network side returns according to the network of the currently practical access of terminal unit;
Described memory module, the service distributing strategy being additionally operable to utilize network side to return according to the network of the currently practical access of terminal unit updates locally stored service distributing strategy.
17. 1 kinds are accessed gateway, it is characterised in that described access gateway is the access gateway after merging, including:
IP address assignment module, for distributing a service IP address for terminal unit;
IP Address requests receiver module, after the arbitrary network being successfully accessed multiple network at described terminal unit, receive the IP address request information that described terminal unit sends, and using described service IP address as this terminal unit IP address used in the network being currently successfully accessed;
Business datum sending module, for when the business datum of this terminal unit arrives, determine the type of service of described business datum, corresponding relation according to the type of service in described service distributing strategy Yu bearer network, determine the network carrying described business datum, and utilize the network determined to send described business datum to terminal unit.
18. access gateway as claimed in claim 17, it is characterised in that described access gateway also includes:
Service set SSID sending module, for issuing SSID for terminal unit, and indicating terminal unit before accessing wlan network, the SSID utilizing described SSID and terminal unit self to search compares, when comparative result is for coupling, terminal unit accesses wlan network.
19. access gateway as claimed in claim 17, it is characterised in that described access gateway also includes:
Service distributing strategy receiver module, for receiving the service distributing strategy for described terminal unit that network side issues;
Memory module, for storing the service distributing strategy of described terminal unit.
20. access gateway as claimed in claim 19, it is characterized in that, the network identity of the current accessed network of terminal unit carried in the service distributing strategy solicited message that described service distributing strategy is network side to be sent according to terminal unit determines, wherein comprises the corresponding relation of type of service and bearer network.
21. access gateway as claimed in claim 19, it is characterised in that
Described service distributing strategy receiver module, it is additionally operable to disconnect and the connection of any one network in the plurality of network at described terminal unit, or when terminal unit newly accesses a network, receive the service distributing strategy of the terminal unit that network side issues according to the network of the currently practical access of terminal unit;
Described memory module, the service distributing strategy being additionally operable to utilize network side to return according to the network of the currently practical access of terminal unit updates locally stored service distributing strategy.
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