CN104580544A - Network access method and system based on wireless network double protocols - Google Patents

Network access method and system based on wireless network double protocols Download PDF

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Publication number
CN104580544A
CN104580544A CN201310486272.2A CN201310486272A CN104580544A CN 104580544 A CN104580544 A CN 104580544A CN 201310486272 A CN201310486272 A CN 201310486272A CN 104580544 A CN104580544 A CN 104580544A
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China
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ssid
information
user terminal
bas broadband
server
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CN201310486272.2A
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CN104580544B (en
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潘红
管玲莉
白帆
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00Network arrangements, protocols or services for addressing or naming
    • H04L61/50Address allocation
    • H04L61/5007Internet protocol [IP] addresses
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for authentication of entities
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/10Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06Authentication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/08Access restriction or access information delivery, e.g. discovery data delivery
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/26Network addressing or numbering for mobility support

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a network access method and system based on wireless network double protocols. The network access method comprises the following steps: a user terminal selects one SSID (service set identifier) from two received different SSIDs as the assigned SSID; a wireless access point queries VLAN (virtual local area network) information related to the assigned SSID; a BRAS (broadband remote access server) comfitures corresponding virtual router according to the VLAN information, and the virtual router adds domain name information related to the virtual router for a user account so as to generate authentication information; the BRAS sends the authentication information to an authentication server; the authentication server authenticates the authentication information; when the authentication succeeds, the authentication server indicates the BRAS to distribute address information to the user terminal. Therefore, the problem that wireless network service cannot be developed due to IPv4 (Internet Protocol version 4) exhaustion is solved under the conditions that the conventional network structure is unchanged and any network equipment is not added, and powerful guarantee is provided for smooth transition of the wireless network service from IPv4 to IPv6.

Description

Based on method for network access and the system of the two agreement of wireless network
Technical field
The present invention relates to the communications field, particularly a kind of method for network access based on the two agreement of wireless network and system.
Background technology
Along with the fast development of wireless internet service, IPV4 address is constantly consumed.On February 1st, 2011, IANA(Internet Assigned Numbers Authority, the Internet numbering distributor gear) 2 in last 7 category-A IPV4 address blocks are distributed to APNIC(Asia-Pacific Network Information Center, asia pacific network information center), and last 5 address blocks are distributed to automatically the regional RIR(Regional InternetRegistry in 5, the whole world, internet registry mechanism).Afterwards in April, 2011, APNIC announces that IPV4 address, the Asian-Pacific area is assigned.So far IPV4 address in the Asian-Pacific area is all assigned, shortage of ip address need be alleviated to the impact of business development by various means in each operator, by introducing the final solution that IPV6 application will be solution IPV4 address exhaustion problem in a network, IPV6 and IPV4 is applied in the quite a long time and will will need in a network to coexist.How can, when not changing existing network network configuration, not increasing any network equipment, make wireless network support IPV4 and IPV6 agreement, for user terminal provides two agreement access, be the problem being badly in need of solving simultaneously.
Summary of the invention
The embodiment of the present invention provides a kind of method for network access based on the two agreement of wireless network and system.By the corresponding SSID of user terminal selecting to obtain corresponding IPv4 address or IPv6 address, thus realize two agreement accesses of wireless network.
According to an aspect of the present invention, a kind of method for network access based on the two agreement of wireless network is provided, comprises:
User terminal is in sent by WAP (wireless access point) two the different service set identifier SSID received, and select a SSID as appointment SSID, wherein two SSID correspond respectively to IPv4 agreement and IPv6 agreement;
User terminal sends access request to WAP (wireless access point), and wherein access request comprises user account number and specifies SSID;
WAP (wireless access point), after receiving access request, is inquired about and the virtual LAN VLAN information of specifying SSID to be associated;
Described vlan information and user account number are sent to BAS Broadband Access Server by WAP (wireless access point);
BAS Broadband Access Server configures corresponding virtual router according to described vlan information, and virtual router is that user account number adds the domain-name information that is associated with virtual router with producing authentication information;
Authentication information is sent to certificate server by BAS Broadband Access Server;
Certificate server carries out certification to authentication information;
When the authentication is successful, certificate server sends the attribute information be associated with domain name information to BAS Broadband Access Server;
BAS Broadband Access Server, in the address pool corresponding with described attribute information, is user terminal allocation address information;
Address information is sent to user terminal by BAS Broadband Access Server, so that the website that user terminal utilizes described address information to access the agreement corresponding with specifying SSID to be associated.
Preferably, certificate server comprises the step that authentication information carries out certification:
Certificate server extracts user account number from authentication information;
Certificate server carries out certification to user account number.
Preferably, user terminal also comprises after sending access request to WAP (wireless access point):
User terminal judges whether the address information receiving BAS Broadband Access Server transmission within the scheduled time;
If user terminal receives the address information that BAS Broadband Access Server sends within the scheduled time, then user terminal performs the step utilizing described address information to access the website that the agreement corresponding with specifying SSID is associated.
Preferably, if user terminal does not receive the address information that BAS Broadband Access Server sends within the scheduled time, then user terminal selects another SSID as appointment SSID in two SSID received, and then performs user terminal sends step from access request to WAP (wireless access point).
According to a further aspect in the invention, a kind of network access system based on the two agreement of wireless network is provided, comprises user terminal, WAP (wireless access point), BAS Broadband Access Server and certificate server, wherein:
User terminal, in sent by WAP (wireless access point) two the different service set identifier SSID received, select a SSID as appointment SSID, wherein two SSID correspond respectively to IPv4 agreement and IPv6 agreement; Send access request to WAP (wireless access point), wherein access request comprises user account number and specifies SSID; When receiving the address information that BAS Broadband Access Server sends, utilize the website that the described address information access agreement corresponding with specifying SSID is associated;
WAP (wireless access point), for sending two different SSID; After the access request receiving user terminal transmission, inquire about and specify the virtual LAN VLAN information that SSID is associated, described vlan information and user account number are sent to BAS Broadband Access Server;
BAS Broadband Access Server, for configuring corresponding virtual router according to described vlan information, virtual router is that user account number adds the domain-name information that is associated with virtual router with producing authentication information; Authentication information is sent to certificate server; When receiving the attribute information that certificate server sends, in the address pool corresponding with described attribute information, being user terminal allocation address information, address information is sent to user terminal;
Certificate server, for carrying out certification to authentication information; When the authentication is successful, the attribute information be associated with domain name information is sent to BAS Broadband Access Server.
Preferably, authentication service implement body extracts user account number from authentication information, and carries out certification to user account number.
Preferably, user terminal, specifically after sending access request to WAP (wireless access point), judges whether the address information receiving BAS Broadband Access Server transmission within the scheduled time; If receive the address information that BAS Broadband Access Server sends within the scheduled time, then perform the operation utilizing described address information to access the website that the agreement corresponding with specifying SSID is associated.
Preferably, user terminal also for do not receive within the scheduled time BAS Broadband Access Server send address information time, in two SSID received, then select another SSID as appointment SSID, then perform the operation sending access request to WAP (wireless access point).
The present invention is by user terminal selecting SSID, WAP (wireless access point) can determine corresponding vlan information, BAS Broadband Access Server configures corresponding virtual router according to vlan information, virtual router is that user account number adds the domain-name information that is associated with virtual router with producing authentication information, certificate server carries out certification to authentication information, when the authentication is successful, certificate server sends the attribute information be associated with domain name information to BAS Broadband Access Server, BAS Broadband Access Server is in the address pool corresponding with described attribute information, for user terminal allocation address information, address information is sent to user terminal by BAS Broadband Access Server, so that the website that user terminal utilizes described address information to access the agreement corresponding with specifying SSID to be associated.When not changing existing network network configuration, not increasing any network equipment, the problem that wireless network traffic cannot develop because of IPv4 address exhaustion can be solved, and turns to IPv6 to provide sound assurance from IPv4 smoothly for wireless network traffic thus.
Description of the invention provides in order to example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of the method for network access embodiment that the present invention is based on the two agreement of wireless network.
Fig. 2 is the schematic diagram of the network access system embodiment that the present invention is based on the two agreement of wireless network.
Fig. 3 realizes the schematic diagram that the two protocol network of wireless network of the present invention accesses an embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the present invention and application or use.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit the scope of the invention.
Meanwhile, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not draw according to the proportionate relationship of reality.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part of authorizing specification.
In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
Fig. 1 is the schematic diagram of the method for network access embodiment that the present invention is based on the two agreement of wireless network.As shown in Figure 1, the method step of the present embodiment is as follows:
Step 101, user terminal at two that are sent by WAP (wireless access point) that receive different SSID(Service Set Identifer, service set identifier) in, select a SSID as appointment SSID.
Wherein two SSID correspond respectively to IPv4(Internet Ptotocol Version4, Internet protocol the 4th edition) agreement and IPv6(Internet Ptotocol Version6, Internet protocol the 6th edition) agreement.
Step 102, user terminal sends access request to WAP (wireless access point), and wherein access request comprises user account number and specifies SSID.
Here, user can an optional SSID, and can use same account number.
Step 103, WAP (wireless access point), after receiving access request, is inquired about and the VLAN(Virtual Local Area Network specifying SSID to be associated, VLAN) information.
That is, in WAP (wireless access point), different VLAN and corresponding SSID is bound.
Step 104, vlan information and user account number are sent to BAS Broadband Access Server by WAP (wireless access point).
Such as, can by PVLAN(Private VLAN, particular virtual local area network) and CVLAN(Customer VLAN, user's VLAN) information sends to BAS Broadband Access Server.
Step 105, BAS Broadband Access Server configures corresponding virtual router according to described vlan information, and virtual router is that user account number adds the domain-name information that is associated with virtual router with producing authentication information.
Step 106, authentication information is sent to certificate server by BAS Broadband Access Server.
Step 107, certificate server carries out certification to authentication information.
Step 108, when the authentication is successful, certificate server sends the attribute information be associated with domain name information to BAS Broadband Access Server.
Step 109, BAS Broadband Access Server, in the address pool corresponding with described attribute information, is user terminal allocation address information.
Step 110, address information is sent to user terminal by BAS Broadband Access Server, so that the website that user terminal utilizes described address information to access the agreement corresponding with specifying SSID to be associated.
Based on the method for network access that the above embodiment of the present invention provides, by user terminal selecting SSID, WAP (wireless access point) can determine corresponding vlan information, BAS Broadband Access Server configures corresponding virtual router according to vlan information, virtual router is that user account number adds the domain-name information that is associated with virtual router with producing authentication information, certificate server carries out certification to authentication information, when the authentication is successful, certificate server sends the attribute information be associated with domain name information to BAS Broadband Access Server, BAS Broadband Access Server is in the address pool corresponding with described attribute information, for user terminal allocation address information, address information is sent to user terminal by BAS Broadband Access Server, so that the website that user terminal utilizes described address information to access the agreement corresponding with specifying SSID to be associated.When not changing existing network network configuration, not increasing any network equipment, the problem that wireless network traffic cannot develop because of IPv4 address exhaustion can be solved, and turns to IPv6 to provide sound assurance from IPv4 smoothly for wireless network traffic thus.
Preferably, the wireless network related to here is WIFI(Wireless Fidelity, Wireless Fidelity).
Preferably, above-mentioned certificate server comprises the step that authentication information carries out certification:
Certificate server extracts user account number from authentication information, and certificate server carries out certification to user account number.
That is, when carrying out certification, certificate server by after user account with domain name peel off, like this, no matter user uses IPv4 or IPv6 agreement, and user can use an account number to dial all the time, ensure that the uniqueness of subscriber's account.
Preferably, user terminal also comprises after sending access request to WAP (wireless access point):
User terminal judges whether the address information receiving BAS Broadband Access Server transmission within the scheduled time.If user terminal receives the address information that BAS Broadband Access Server sends within the scheduled time, then user terminal performs the step utilizing described address information to access the website that the agreement corresponding with specifying SSID is associated.
If user terminal does not receive the address information that BAS Broadband Access Server sends within the scheduled time, then user terminal selects another SSID as appointment SSID in two SSID received, and then performs user terminal sends step from access request to WAP (wireless access point).
In this embodiment, if the address information that user terminal does not send to BAS Broadband Access Server at scheduled time range reception, this shows to provide service for user under the protocol type of current selection.In order to provide better Consumer's Experience to user, user terminal another SSID optional carries out access process.
Fig. 2 is the schematic diagram of the network access system embodiment that the present invention is based on the two agreement of wireless network.As shown in Figure 2, this system comprises user terminal 201, WAP (wireless access point) 202, BAS Broadband Access Server 203 and certificate server 204.Wherein:
User terminal 201, in two that are sent by WAP (wireless access point) 202 that receive different service set identifier SSID, select a SSID as appointment SSID, wherein two SSID correspond respectively to IPv4 agreement and IPv6 agreement; Send out 202 to WAP (wireless access point) and send access request, wherein access request comprises user account number and specifies SSID; When receiving the address information that BAS Broadband Access Server 203 sends, utilize the website that the described address information access agreement corresponding with specifying SSID is associated.
WAP (wireless access point) 202, for sending two different SSID; After the access request receiving user terminal 201 transmission, inquire about and specify the virtual LAN VLAN information that SSID is associated, described vlan information and user account number are sent to BAS Broadband Access Server 203.
BAS Broadband Access Server 203, for configuring corresponding virtual router according to described vlan information, so that virtual router is user account number add the domain-name information be associated with virtual router, producing authentication information; Authentication information is sent to certificate server 204; When receiving the attribute information that certificate server sends, in the address pool corresponding with described attribute information, being user terminal allocation address information, address information being sent to user terminal 201.
Certificate server 204, for carrying out certification to authentication information; When the authentication is successful, the attribute information be associated with domain name information is sent to BAS Broadband Access Server 203.
Based on the network access system that the above embodiment of the present invention provides, by user terminal selecting SSID, WAP (wireless access point) can determine corresponding vlan information, BAS Broadband Access Server configures corresponding virtual router according to vlan information, virtual router is that user account number adds the domain-name information that is associated with virtual router with producing authentication information, certificate server carries out certification to authentication information, when the authentication is successful, certificate server sends the attribute information be associated with domain name information to BAS Broadband Access Server, BAS Broadband Access Server is in the address pool corresponding with described attribute information, for user terminal allocation address information, address information is sent to user terminal by BAS Broadband Access Server, so that the website that user terminal utilizes described address information to access the agreement corresponding with specifying SSID to be associated.When not changing existing network network configuration, not increasing any network equipment, the problem that wireless network traffic cannot develop because of IPv4 address exhaustion can be solved, and turns to IPv6 to provide sound assurance from IPv4 smoothly for wireless network traffic thus.
For brevity, illustrate only a user terminal and a WAP (wireless access point) in Fig. 2.Those skilled in the art are scrutable, can have multiple user terminal and WAP (wireless access point) associated with it in system.
Preferably, certificate server 204 specifically extracts user account number from authentication information, and carries out certification to user account number.
Preferably, user terminal 201, specifically after sending access request to WAP (wireless access point), judges whether the address information receiving BAS Broadband Access Server 203 transmission within the scheduled time.If receive the address information that BAS Broadband Access Server sends within the scheduled time, then perform the operation utilizing described address information to access the website that the agreement corresponding with specifying SSID is associated.
User terminal 201 also for do not receive within the scheduled time BAS Broadband Access Server send address information time, in two SSID received, then select another SSID as appointment SSID, then perform the operation sending access request to WAP (wireless access point) 202.
Below by a concrete example, the present invention will be described.Fig. 3 realizes the schematic diagram that the two protocol network of wireless network of the present invention accesses an embodiment.Wherein:
Step 301, WAP (wireless access point) provides two SSID to user terminal, is respectively SSID_IPv4 and SSID_IPv6.
Step 302, user can select arbitrarily a SSID, if user wishes to use IPv4 agreement, then can select SSID_IPv4.
Step 303, user terminal sends access request to WAP (wireless access point), and wherein access request comprises user account number and SSID_IPv4.
Step 304, WAP (wireless access point), after receiving access request, inquires about the VLAN4 be associated with SSID_IPv4.
Step 305, VLAN4 information and user account number are sent to BAS Broadband Access Server by WAP (wireless access point).
Step 306, the virtual router Vrouter4 that BAS Broadband Access Server is corresponding according to VLAN4 information configuration, so that virtual router Vrouter4 is user account number add the domain-name information@ipv4 be associated with virtual router, generates certification account number.
Step 307, authentication information sends to certificate server to carry out certification by BAS Broadband Access Server.
Step 308, certificate server carries out certification to authentication information.
Step 309, when the authentication is successful, certificate server sends the attribute information be associated with domain-name information@ipv4 to BAS Broadband Access Server.
Step 310, BAS Broadband Access Server, in the IPv4 address pool corresponding with this attribute information, is user terminal distributing IP v4 address information.
Step 311, address information is sent to user terminal by BAS Broadband Access Server.
Step 312, user terminal utilizes IPv4 address information to access the website of IPv4.
Equally, if user selects SSID_IPv6, then, when user terminal sends access request to WAP (wireless access point), access request comprises user account number and SSID_IPv6.WAP (wireless access point), after receiving access request, inquires about the VLAN6 be associated with SSID_IPv6.VLAN6 information and user account number are sent to BAS Broadband Access Server by WAP (wireless access point).The virtual router Vrouter6 that BAS Broadband Access Server is corresponding according to VLAN6 information configuration, so that virtual router Vrouter6 is user account number add the domain-name information@ipv6 be associated with virtual router, generates certification account number.Authentication information sends to certificate server to carry out certification by BAS Broadband Access Server.When the authentication is successful, certificate server sends the attribute information be associated with domain-name information@ipv6 to BAS Broadband Access Server.BAS Broadband Access Server, in the IPv6 address pool corresponding with this attribute information, is user terminal distributing IP v6 address information.Address information is sent to user terminal by BAS Broadband Access Server, so that user terminal utilizes IPv6 address information to access the website of IPv6.
By implementing the present invention, can when not changing existing network network configuration, not increasing any network equipment, solve the problem that wireless network traffic cannot develop because of IPv4 address exhaustion, and turn to IPv6 to provide sound assurance from IPv4 smoothly for wireless network traffic.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can have been come by hardware, the hardware that also can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be read-only memory, disk or CD etc.

Claims (8)

1., based on a method for network access for the two agreement of wireless network, it is characterized in that, comprising:
User terminal is in sent by WAP (wireless access point) two the different service set identifier SSID received, and select a SSID as appointment SSID, wherein two SSID correspond respectively to IPv4 agreement and IPv6 agreement;
User terminal sends access request to WAP (wireless access point), and wherein access request comprises user account number and specifies SSID;
WAP (wireless access point), after receiving access request, is inquired about and the virtual LAN VLAN information of specifying SSID to be associated;
Described vlan information and user account number are sent to BAS Broadband Access Server by WAP (wireless access point);
BAS Broadband Access Server configures corresponding virtual router according to described vlan information, and virtual router is that user account number adds the domain-name information that is associated with virtual router with producing authentication information;
Authentication information is sent to certificate server by BAS Broadband Access Server;
Certificate server carries out certification to authentication information;
When the authentication is successful, certificate server sends the attribute information be associated with domain name information to BAS Broadband Access Server;
BAS Broadband Access Server, in the address pool corresponding with described attribute information, is user terminal allocation address information;
Address information is sent to user terminal by BAS Broadband Access Server, so that the website that user terminal utilizes described address information to access the agreement corresponding with specifying SSID to be associated.
2. method according to claim 1, is characterized in that,
Certificate server comprises the step that authentication information carries out certification:
Certificate server extracts user account number from authentication information;
Certificate server carries out certification to user account number.
3. method according to claim 1, is characterized in that,
User terminal also comprises after sending access request to WAP (wireless access point):
User terminal judges whether the address information receiving BAS Broadband Access Server transmission within the scheduled time;
If user terminal receives the address information that BAS Broadband Access Server sends within the scheduled time, then user terminal performs the step utilizing described address information to access the website that the agreement corresponding with specifying SSID is associated.
4. method according to claim 3, is characterized in that,
If user terminal does not receive the address information that BAS Broadband Access Server sends within the scheduled time, then user terminal selects another SSID as appointment SSID in two SSID received, and then performs user terminal sends step from access request to WAP (wireless access point).
5., based on a network access system for the two agreement of wireless network, it is characterized in that, comprise user terminal, WAP (wireless access point), BAS Broadband Access Server and certificate server, wherein:
User terminal, in sent by WAP (wireless access point) two the different service set identifier SSID received, select a SSID as appointment SSID, wherein two SSID correspond respectively to IPv4 agreement and IPv6 agreement; Send access request to WAP (wireless access point), wherein access request comprises user account number and specifies SSID; When receiving the address information that BAS Broadband Access Server sends, utilize the website that the described address information access agreement corresponding with specifying SSID is associated;
WAP (wireless access point), for sending two different SSID; After the access request receiving user terminal transmission, inquire about and specify the virtual LAN VLAN information that SSID is associated, described vlan information and user account number are sent to BAS Broadband Access Server;
BAS Broadband Access Server, for configuring corresponding virtual router according to described vlan information, virtual router is that user account number adds the domain-name information that is associated with virtual router with producing authentication information; Authentication information is sent to certificate server; When receiving the attribute information that certificate server sends, in the address pool corresponding with described attribute information, being user terminal allocation address information, address information is sent to user terminal;
Certificate server, for carrying out certification to authentication information; When the authentication is successful, the attribute information be associated with domain name information is sent to BAS Broadband Access Server.
6. system according to claim 5, is characterized in that,
Authentication service implement body extracts user account number from authentication information, and carries out certification to user account number.
7. system according to claim 5, is characterized in that,
User terminal, specifically after sending access request to WAP (wireless access point), judges whether the address information receiving BAS Broadband Access Server transmission within the scheduled time; If receive the address information that BAS Broadband Access Server sends within the scheduled time, then perform the operation utilizing described address information to access the website that the agreement corresponding with specifying SSID is associated.
8. system according to claim 7, is characterized in that,
User terminal also for do not receive within the scheduled time BAS Broadband Access Server send address information time, in two SSID received, then select another SSID as appointment SSID, then perform the operation sending access request to WAP (wireless access point).
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