CN102170395A - Data transmission method and network equipment - Google Patents
Data transmission method and network equipment Download PDFInfo
- Publication number
- CN102170395A CN102170395A CN2011101010238A CN201110101023A CN102170395A CN 102170395 A CN102170395 A CN 102170395A CN 2011101010238 A CN2011101010238 A CN 2011101010238A CN 201110101023 A CN201110101023 A CN 201110101023A CN 102170395 A CN102170395 A CN 102170395A
- Authority
- CN
- China
- Prior art keywords
- user
- ipv6
- network equipment
- network
- ipv4
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a data transmission method and network equipment. The method comprises the following steps that: the network equipment positioned between a dual stack (DS)-Lite address family transition router element (AFTR) and a home gateway or a user terminal establishes an Internet protocol version 6 (IPv6)-based Internet protocol version 4 (IPv4) tunnel from a user side to the AFTR; and the network equipment performs tunnel encapsulation on an IPv4 data packet from a user access network, transmits the encapsulated IPv4 data packet to an IPv4 network, performs decapsulation on an IPv6 data packet from an IPv6 network, and transmits the decapsulated IPv6 data packet to the user side to realize a DS-Lite B4 function. By the data transmission method and the network equipment, the large-scale upgrading of the home gateway or the user terminal is avoided, the DS-Lite technology deployment cost of an operator is reduced, and the evolution rate of the IPv6 network is increased.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of transmission method and network equipment of data.
Background technology
At present, Internet Protocol Version 4 (Internet Protocol version 4 abbreviates IPv4 as) is a hot research problem in communication standard field to IPv6 (InternetProtocol version 6 abbreviates IPv6 as) evolution technology.Along with the Internet numbering distributor gear (Internet Assigned Numbers Authority, abbreviate IANA as)/(the Regional Internet Registry of regional Internet registration management mechanism, abbreviating RIR as) unallocated publicly-owned IPv4 address exhausts day by day, network IPv6 evolution is extremely urgent, and low-cost IPv6 deployment scheme is actively inquired into by each operator.Yet for a long time, network IPv6 evolution is also unsuccessful, and progress is also little.
Fig. 1 is the schematic diagram according to the technology mechanism of the DS-Lite of correlation technique, as shown in Figure 1, light-weight dual-stack (DS-Lite) technology is IPv4 network address translation (Network Address Translation, abbreviate NAT as) and the combination of IPv4 over IPv6 tunnel (Tunnel, or claim flexible cord Softwire) technology.Wherein, basic bridge joint Wideband module (Basic Bridging Broadbandelement, abbreviate B4 as) major function be: integrated IPv4 DHCP (Dynamic Host ConfigureProtocol for IPv4, abbreviating DHCPv4 as) server (Server) function is that inside terminals distributes private ip v4 address and IPv6 DHCP (Dynamic Host Configure Protocol for IPv6, abbreviate DHCPv6 as) the Server function, be unique IPv6 address, inner two stack terminal distribution whole world according to obtaining the IPv6 prefix information, and initiate to be set up to address family and translate route (Address Family Transition Router element, abbreviate AFTR as) IPv4 over IPv6 tunnel, carry out IPv4 over IPv6 tunnel encapsulation to going out to the IPv4 flow, go into to IPv4 over ipv6 traffic and carry out IPv4 over IPv6 tunnel decapsulation, local (Native) ipv6 traffic is carried out the IPv6 forwarding capability.
Integrated tunnel of AFTR and IPv4 nat feature comprise 2 kinds of interfaces: a kind of IPv4 of crying over IPv6 flexible cord interface (SofiwireInterface), be connected to the Softwire of B4, and a kind of is network interface, connects the Internet (Internet).For example, the AFTR decapsulation receives the IPv6 message from the flexible cord interface, and extracts inner IPv4 message, carries out the NAT44 conversion then; Operation level NAT (Carrier-Grade NAT abbreviates CGN as) finds that from the IPv4 message of network interface reception from Internet outgoing interface is the flexible cord interface, then carries out the NAT44 conversion, is encapsulated as the IPv6 message then, sends to B4 equipment by Sofiwire.Because the IPv4 address is distributed by B4, and the IPv4 address of different user terminals may be identical, so, the inner nat entry of AFTR realizes (for example increasing the IPv6 address, B4 wide area network (Wide Area Network abbreviates WAN as) interface IPv6 address), to avoid conflict.
The DS-Lite technology has realized the continuity of IPv4 business, and has promoted the evolution of IPv6, obtains the favor of more and more operators, and progressively begins the pilot deployment.But, because the B4 function need be integrated in home gateway, even user terminal, so, needing mass upgrade, improvement cost is bigger, even part home gateway and terminal are because hardware reason can't carry out software upgrading.As seen, in correlation technique, because the network upgrade cost of user side has caused the deployment of DS-Lite technology limited more greatly.
Summary of the invention
Main purpose of the present invention is to provide a kind of implementation of DS-Lite B4 function, to solve the above-mentioned limited problem of deployment that causes the DS-Lite technology owing to the network upgrade cost of user side in the correlation technique greatly at least.
To achieve these goals, according to an aspect of the present invention, provide a kind of transmission method of data.
Transmission method according to data of the present invention may further comprise the steps: the network equipment that is between DS-Lite AFTR and home gateway or the user terminal is set up the IPv4 tunnel based on IPv6 of user side to AFTR; The network equipment will carry out from the IPv4 packet of user's Access Network passing to the IPv4 network after the tunnel encapsulation, and will carry out decapsulation from the IPv6 packet of IPv6 network and pass to user side, to realize DS-Lite B4 function.
Preferably, the network equipment will carry out from the IPv4 packet of user's Access Network passing to the IPv4 network after the tunnel encapsulation, and will carry out decapsulation from the IPv6 packet of IPv6 network and pass to user side comprising: the IPv4 data envelope from user access networks that the network equipment will receive is contained in the IPv6 packet issues AFTR, enters the IPv4 network; The IPv6 packet decapsulation that the network equipment will receive from the AFTR of IPv6 network, and the IPv4 packet that obtains after the decapsulation is transmitted to corresponding validated user.
Preferably, the network equipment is after the DHCPv6 request that receives from user access networks, carry out the DHCPv6/NDsnooping function, and according to the identification information of DHCPv6/ND snooping function acquisition and the preservation validated user corresponding with the DHCPv6 request, wherein, identification information comprise following one of at least: user's name, VLAN sign, MAC Address.
Preferably, the network equipment carries out before the DHCPv6/ND snooping function, this method also comprises: the network equipment will send to BRAS or BSR by the cut-in convergent net from the IPv6 authentication request of user's Access Network, and BRAS or BSR carry out the IPv6 authentication to the IPv6 authentication request after, receive the authentication successful information of IPv6 authentication request.
Preferably, the network equipment after receiving from the DHCPv4 of user access networks request, the legitimacy of determining this user according to VLAN sign and the MAC Address of user in the DHCPv4 request, and to definite validated user distributing IP v4 address.
To achieve these goals, according to a further aspect in the invention, provide a kind of network equipment.
The network equipment according to the present invention is between DS-Lite AFTR and home gateway or the user terminal, and this network equipment comprises: set up module, be used to set up the IPv4 tunnel based on IPv6 of user side to AFTR; The B4 functional module is used for the IPv4 packet from user's Access Network is carried out passing to the IPv4 network after the tunnel encapsulation, and will carry out decapsulation from the IPv6 packet of IPv6 network and pass to user side, to realize DS-Lite B4 function.
Preferably, the B4 functional module comprises: the DHCPv6 functional unit, be used for after the DHCPv6 request that receives from user access networks, carry out DHCPv6/ND snooping function, and according to the identification information of DHCPv6/ND snooping function acquisition and the preservation validated user corresponding with the DHCPv6 request, wherein, identification information comprise following one of at least: user's name, VLAN sign, MAC Address.
Preferably, the B4 functional module comprises: the DHCPv4 functional unit, be used for after receiving from the DHCPv4 of user access networks request, the legitimacy of determining this user according to VLAN sign and the MAC Address of user in the DHCPv4 request, and to definite validated user distributing IP v4 address.
Preferably, the network equipment is the switch of carrier side.
Preferably, the network equipment is a DS-Lite B4 agent network element.
By the present invention, the network equipment that employing is between DS-Lite AFTR and home gateway or the user terminal is realized the DS-LiteB4 function, solved the limited problem of deployment that causes the DS-Lite technology owing to the network upgrade cost of user side in the correlation technique greatly, avoided the mass upgrade of home gateway or user terminal, reduce operator and disposed the cost of DS-Lite technology, improved the evolution speed of IPv6 network.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the technology mechanism of the DS-Lite of correlation technique;
Fig. 2 is the flow chart according to the transmission method of the data of the embodiment of the invention;
Fig. 3 is the structured flowchart according to the network equipment of the embodiment of the invention;
Fig. 4 is the structured flowchart of the network equipment according to the preferred embodiment of the invention;
Fig. 5 is the structural representation according to the DS-Lite B4 Proxy of the embodiment of the invention one;
Fig. 6 is the structural representation according to the DS-Lite B4 Proxy (bridge type) of the embodiment of the invention two;
Fig. 7 is the schematic flow sheet according to the DS-Lite B4 Proxy (bridge type) of the embodiment of the invention two;
Fig. 8 is the structural representation according to the DS-Lite B4 Proxy (route type) of the embodiment of the invention three; And
Fig. 9 is the schematic flow sheet according to the DS-Lite B4 Proxy (route type) of the embodiment of the invention three.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
According to the embodiment of the invention, provide a kind of transmission method of data.Fig. 2 is the flow chart according to the transmission method of the data of the embodiment of the invention, and as shown in Figure 2, this method may further comprise the steps:
Step S202, the network equipment that is between DS-Lite AFTR and home gateway or the user terminal is set up the IPv4 tunnel based on IPv6 of user side to AFTR;
Step S204, the network equipment will carry out from the IPv4 packet of user's Access Network passing to the IPv4 network after the tunnel encapsulation, and will carry out decapsulation from the IPv6 packet of IPv6 network and pass to user side, to realize DS-Lite B4 function.
Pass through above-mentioned steps, the network equipment that employing is between DS-Lite AFTR and home gateway or the user terminal is realized DS-Lite B4 function, solved the limited problem of deployment that causes the DS-Lite technology owing to the network upgrade cost of user side in the correlation technique greatly, reduce operator and disposed the cost of DS-Lite technology, improved the evolution speed of IPv6 network.
Preferably, in step S204, the network equipment can be contained in the IPv4 data envelope from user access networks that receives in the IPv6 packet and issue AFTR, enters the IPv4 network; The network equipment can also be with the IPv6 packet decapsulation from the AFTR of IPv6 network that receives, and the IPv4 packet that obtains after the decapsulation is transmitted to corresponding validated user.This method can make the network element (that is, the network equipment) of network side realize the B4 function of tunnel encapsulation and decapsulation, has avoided the mass upgrade of home gateway or user terminal, thereby has reduced the cost of operation DS-Lite technology.
Preferably, the network equipment is after the DHCPv6 request that receives from user access networks, can carry out DHCPv6/ neighbours and find (Neighbor Discovery, abbreviate ND as) monitoring (snooping) function, and according to the identification information of DHCPv6/ND snooping function acquisition and the preservation validated user corresponding with the DHCPv6 request, wherein, identification information can comprise following one of at least: user's name, VLAN sign, MAC Address.This method can make the network side network element realize the DHCPv6/NDsnooping function, has improved the validity of system.
Preferably, the network equipment carries out before the DHCPv6/ND snooping function, the network equipment can send to BAS Broadband Access Server (Broadband Remote Access Server by the cut-in convergent net with the IPv6 authentication request from user's Access Network, abbreviate BRAS as) or broadband services router (Broadband Services Router, abbreviate BSR as), and BRAS or BSR carry out the IPv6 authentication to the IPv6 authentication request after, receive the authentication successful information of IPv6 authentication request.This method has improved the fail safe of system.
Preferably, the network equipment after receiving from the DHCPv4 of user access networks request, the legitimacy of determining this user according to VLAN sign and the MAC Address of user in the DHCPv4 request, and to definite validated user distributing IP v4 address.This method can make the network side network element realize the DHCPv4 server capability, has increased the flexibility of network design.
Need to prove, in implementation process, the network equipment that is between DS-Lite AFTR and home gateway or the user terminal can perhaps can increase DS-Lite B4 Proxy function for being arranged on DS-Lite B4 agency (Proxy) network element of network side in the conventional network equipment between DS-Lite AFTR and home gateway or user terminal.
According to the embodiment of the invention, a kind of network equipment also is provided, Fig. 3 is the structured flowchart according to the network equipment of the embodiment of the invention, as shown in Figure 3, this network equipment 30 is between DS-Lite AFTR and home gateway or the user terminal, and comprise: set up module 32, be used to set up the IPv4 tunnel based on IPv6 of user side to AFTR; B4 functional module 34, be coupled to and set up module 32, be used for and carry out from the IPv4 packet of user's Access Network passing to the IPv4 network after the tunnel encapsulation, and will carry out decapsulation from the IPv6 packet of IPv6 network and pass to user side, to realize DS-Lite B4 function.
Realize DS-Lite B4 function by the above-mentioned network equipment 30 that employing is between DS-Lite AFTR and home gateway or the user terminal, solved the limited problem of deployment that causes the DS-Lite technology owing to the network upgrade cost of user side in the correlation technique greatly, avoided the mass upgrade of home gateway or user terminal, reduce operator and disposed the cost of DS-Lite technology, improved the evolution speed of IPv6 network.
Fig. 4 is the structured flowchart of the network equipment according to the preferred embodiment of the invention, as shown in Figure 4, B4 functional module 34 comprises: DHCPv6 functional unit 342, be used for after the DHCPv6 request that receives from user access networks, carry out the DHCPv6/NDsnooping function, and according to the identification information of DHCPv6/ND snooping function acquisition and the preservation validated user corresponding with the DHCPv6 request, wherein, identification information comprise following one of at least: user's name, VLAN identify, MAC Address.
Preferably, B4 functional module 34 also comprises: DHCPv4 functional unit 344, be used for after receiving from the DHCPv4 of user access networks request, the legitimacy of determining this user according to VLAN sign and the MAC Address of user in the DHCPv4 request, and to definite validated user distributing IP v4 address.
Preferably, the network equipment 30 can be the switch of carrier side.
Preferably, the network equipment 30 can be DS-Lite B4 agent network element.
Be elaborated below in conjunction with the implementation procedure of preferred embodiments and drawings to the foregoing description.
Embodiment one
Present embodiment provides the implementation of a kind of DS-Lite B4 Proxy, and having solved in the prior art home gateway or user terminal can't upgrade problem, can realize that the scale of DS-Lite technology is disposed.
Fig. 5 is the structural representation according to the DS-Lite B4 Proxy of the embodiment of the invention one, as shown in Figure 5, DS-Lite B4Proxy (can realize by a certain network equipment) is deployed between subscriber household gateway or terminal and the DS-Lite AFTR, and this DS-Lite B4 Proxy can comprise following function:
B4 function: be set up to the IPv4 over IPv6 tunnel of AFTR, carry out tunnel encapsulation and decapsulation;
DHCPv6/ND Snooping function: when the user proposes the DHCPv6 request, B4 Proxy will monitor related data packets, and the VLAN sign and the MAC Address of record validated user;
Establishment/the management function of validated user record sheet: to the user by the IPv6 authentication, create validated user record sheet list item, content comprises user name, VLAN sign, and MAC Address;
The DHCPv4 server capability: when the user proposes the DHCPv4 request, B4 Proxy will exercise the responsibility of DHCPv4 server, for validated user, the user of record be arranged at the validated user record sheet just, distribute unique IPv4 address.
In implementation process, the workflow of DS-Lite B4 Proxy can comprise the steps:
Step 1, IPv6 authentication/authentication and DHCPv6 request is initiated in User IP v6 login;
Step 2, authentication/authentication request is via user access networks, arrive B4 Proxy, pass through the cut-in convergent net again, arrive BAS Broadband Access Server (Broadband Remote Access Server, abbreviate BRAS as)/broadband services router (BroadbandServices Router abbreviates BSR as);
Step 3, BRAS/BSR authenticates/authentication, and the return authentication authentication information;
Step 4, B4 Proxy whole process are carried out DHCPv6/ND snooping (being the monitoring of related data packets), and the VLAN sign and the MAC Address of record validated user;
Step 5, B4 Proxy is according to the user name of the validated user of monitoring the related data packets acquisition, VLAN (Virtual LocalArea Network, abbreviate VLAN as) sign and medium access control system (Media Access Control, abbreviate MAC as) address, set up the validated user record sheet.
Step 6 when the user uses the IPv4 application program, is initiated the DHCP request of IPv4 to B4 Proxy;
Step 7, B4 Proxy searches the validated user record sheet according to user's VLAN sign and MAC Address; If user profile coupling then need not re-authentication/authentication, directly from the IPv4 address pool of B4 Proxy, distribute the address to give this user; And with IPv4 address information adding validated user record sheet;
Step 8, the user carries out the IPv4 communication by the IPv4 address that obtains.
Step 9, the user goes out the packet to IPv4, arrives B4 Proxy, and B4 Proxy is encapsulated in it in IPv6 packet, issues AFTR, enters the IPv4 network; The user goes into the packet to IPv4, carries out the IPv6 encapsulation at AFTR, transmits in the IPv6 network, at last in B4 Proxy decapsulation, according to the validated user record sheet, it is forwarded to corresponding VLAN, and MAC Address.
Embodiment two
Fig. 6 is the structural representation according to the DS-Lite B4 Proxy (bridge type) of the embodiment of the invention two, as shown in Figure 6, the subscriber household gateway is a bridge type, do not possess three layer functions, for example, two-layer user end equipment (Customer PremisesEquipment abbreviates CPE as) equipment, user terminal can authenticate and obtain the IPv6 address prefix by IPoEv6, also can obtain the IPv4 address from B4 Proxy by DHCPv4.
Fig. 7 is the schematic flow sheet according to the DS-Lite B4 Proxy (bridge type) of the embodiment of the invention two, and as shown in Figure 7, the workflow of this DS-Lite B4 Proxy is as follows:
Step S701, subscriber's main station (Host) carry out the IPv6 login, initiate IPv6 authentication/authentication and DHCPv6 request, and this authentication/authentication request arrives B4 Proxy via user access networks, arrives BRAS/BSR through the cut-in convergent net again.
Step S702, BRAS/BSR authenticate/authentication, and return subscriber's main station authentication information, and are configuration informations such as user's distributing IP v6 address.
Step S703, B4 Proxy whole process is carried out DHCPv6/ND snooping (being the monitoring of related data packets), and the VLAN sign and the MAC Address of record validated user.
Step S704, B4 Proxy sets up the validated user record sheet according to user name, VLAN sign and the MAC Address of the validated user of monitoring the related data packets acquisition.
Step S705 when subscriber's main station uses the IPv4 application program, initiates the DHCP request of IPv4 to B4 Proxy.B4 Proxy searches the validated user record sheet according to user's VLAN sign and MAC Address; If user profile coupling then need not re-authentication/authentication, directly from the IPv4 address pool of B4 Proxy, distribute the address to give this user, and the IPv4 address information is added the validated user record sheet.
Step S706, subscriber's main station carries out the IPv4 communication by the IPv4 address that obtains.
Step S707, going out to the IPv4 packet of user arrives B4 Proxy, and B4 Proxy is encapsulated in it in IPv6 packet, issues AFTR, enters the IPv4 network;
Step S708, going into to the IPv4 packet of user carried out the IPv6 encapsulation at AFTR, transmits in the IPv6 network, at last in B4 Proxy decapsulation, according to the validated user record sheet, it is forwarded to corresponding VLAN and MAC Address.
Embodiment three
Fig. 8 is the structural representation according to the DS-Lite B4 Proxy (route type) of the embodiment of the invention three, as shown in Figure 8, the subscriber household gateway is the route type, possesses three layer functions, for example, three layers of cpe device (promptly, home gateway HGW), home gateway can authenticate and obtain the IPv6 address prefix information by IPoEv6, also can obtain private ip v4 address from B4 Proxy by DHCPv4, user terminal obtains the IPv4 address by DHCPv4 from home gateway, and home gateway is carried out IPv4NAT.
Fig. 9 is that as shown in Figure 9, the workflow of this DS-Lite B4 Proxy is as follows according to the schematic flow sheet of the DS-Lite B4 Proxy (route type) of the embodiment of the invention three:
Step S901, route type home gateway (Home Gateway abbreviates HGW as) carry out the IPv6 login, initiate IPv6 authentication/authentication and DHCPv6 request, and subscriber's main station (Host) carries out application IP addresses to HGW.
Step S902, authentication/authentication request arrives B4 Proxy via user access networks, arrives BRAS/BSR through the cut-in convergent net again, and BRAS/BSR authenticates/authentication, and return route type HGW authentication information, and be configuration informations such as HGW distributing IP v6 address and prefix.
Step S903, B4 Proxy whole process is carried out DHCPv6/ND snooping, i.e. the monitoring of related data packets, and the VLAN sign and the MAC Address of record validated user.
Step S904, B4 Proxy sets up the validated user record sheet according to user name, VLAN sign and the MAC Address of the validated user of monitoring the related data packets acquisition.
Step S905 when subscriber's main station uses the IPv4 application program, initiates the DHCP request of IPv4 to HGW, and HGW is to B4-proxy application IPv4 address.B4 Proxy searches the validated user record sheet according to VLAN sign and the MAC Address of user's route type home gateway HGW; If user profile coupling then need not re-authentication/authentication, directly from the IPv4 address pool of B4 Proxy, distribute the address to give this user, and the IPv4 address information is added the validated user record sheet.
Step S906, subscriber's main station carries out the IPv4 communication by the IPv4 address that route type home gateway HGW obtains.
Step S907, going out to the IPv4 packet of user arrives B4 Proxy, and B4 Proxy is encapsulated in it in IPv6 packet and issues AFTR, enters the IPv4 network.
Step S908, going into to the IPv4 packet of user carried out the IPv6 encapsulation at AFTR, transmits in the IPv6 network, at last in B4 Proxy decapsulation, according to the validated user record sheet, it is forwarded to corresponding VLAN and MAC Address.
In sum, dispose, reduce cost, promote network evolution in order to promote DS-Lite, embodiment of the invention utilization is in the network equipment between DS-Lite AFTR and home gateway or the user terminal as DS-Lite B4 proxy, thereby realize the DS-LiteB4 function, the mass upgrade of home gateway and repeatedly authentication/authentication of same user have been avoided, reduce operator and disposed the cost of DS-Lite technology, improved the evolution speed of IPv6 network.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, carry out by calculation element thereby they can be stored in the storage device, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the transmission method of data is characterized in that, may further comprise the steps:
The network equipment that is between the translation route AFTR of light-weight dual-stack DS-Lite address family and home gateway or the user terminal is set up the IPv4 tunnel based on IPv6 of user side to described AFTR;
The described network equipment will carry out from the IPv4 packet of user's Access Network passing to the IPv4 network after the tunnel encapsulation, and will carry out decapsulation from the IPv6 packet of IPv6 network and pass to described user side, to realize the basic bridge joint Wideband module of DS-Lite B4 function.
2. method according to claim 1, it is characterized in that, the described network equipment will carry out from the IPv4 packet of described user access networks passing to described IPv4 network after the tunnel encapsulation, and will carry out decapsulation from the IPv6 packet of described IPv6 network and pass to described user side comprising:
The IPv4 data envelope from described user access networks that the described network equipment will receive is contained in issues described AFTR in the IPv6 packet, enter described IPv4 network;
The IPv6 packet decapsulation that the described network equipment will receive from the described AFTR of described IPv6 network, and the IPv4 packet that obtains after the decapsulation is transmitted to corresponding validated user.
3. method according to claim 1 is characterized in that,
The described network equipment is after the DHCPv6 request that receives from described user access networks, carry out DHCPv6/ neighbours and find the ND monitor function, and according to the identification information of the acquisition of described DHCPv6/ND monitor function and the preservation validated user corresponding with described DHCPv6 request, wherein, described identification information comprise following one of at least: user's name, virtual LAN VLAN sign, medium access control system MAC Address.
4. method according to claim 3 is characterized in that, the described network equipment carries out before the described DHCPv6/ND monitor function, and described method also comprises:
The described network equipment will send to BAS Broadband Access Server BRAS or broadband services router BSR by the cut-in convergent net from the IPv6 authentication request of described user access networks, and described BRAS or described BSR carry out the IPv6 authentication to described IPv6 authentication request after, receive the authentication successful information of described IPv6 authentication request.
5. according to each described method in the claim 1 to 4, it is characterized in that,
The described network equipment is after receiving from the DHCPv4 of described user access networks request, according to the VLAN sign of user in the described DHCPv4 request and the legitimacy that MAC Address is determined this user, and to definite validated user distributing IP v4 address.
6. a network equipment is characterized in that, be between the translation route AFTR of light-weight dual-stack DS-Lite address family and home gateway or the user terminal, and the described network equipment comprises:
Set up module, be used to set up the IPv4 tunnel based on IPv6 of user side to described AFTR;
The B4 functional module, be used for and carry out from the IPv4 packet of user's Access Network passing to the IPv4 network after the tunnel encapsulation, and will carry out decapsulation from the IPv6 packet of IPv6 network and pass to described user side, to realize the basic bridge joint Wideband module of DS-Lite B4 function.
7. the network equipment according to claim 6 is characterized in that, described B4 functional module comprises:
The DHCPv6 functional unit, be used for after the DHCPv6 request that receives from described user access networks, carry out DHCPv6/ neighbours and find the ND monitor function, and according to the identification information of the acquisition of described DHCPv6/ND monitor function and the preservation validated user corresponding with described DHCPv6 request, wherein, described identification information comprise following one of at least: user's name, virtual LAN VLAN sign, medium access control system MAC Address.
8. the network equipment according to claim 6 is characterized in that, described B4 functional module comprises:
The DHCPv4 functional unit is used for after the DHCPv4 request that receives from described user access networks, according to the VLAN sign of user in the described DHCPv4 request and the legitimacy that MAC Address is determined this user, and the validated user distributing IP v4 address to determining.
9. according to each described network equipment in the claim 6 to 8, it is characterized in that the described network equipment is the switch of carrier side.
10. the network equipment according to claim 9 is characterized in that, the described network equipment is a DS-Lite B4 agent network element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101010238A CN102170395A (en) | 2011-04-21 | 2011-04-21 | Data transmission method and network equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101010238A CN102170395A (en) | 2011-04-21 | 2011-04-21 | Data transmission method and network equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102170395A true CN102170395A (en) | 2011-08-31 |
Family
ID=44491378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101010238A Pending CN102170395A (en) | 2011-04-21 | 2011-04-21 | Data transmission method and network equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102170395A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102325145A (en) * | 2011-10-21 | 2012-01-18 | 杭州华三通信技术有限公司 | Method and equipment for carrying out access control on dual-stack user |
| CN102685263A (en) * | 2012-04-26 | 2012-09-19 | 中兴通讯股份有限公司 | Method for restoring dynamic mapping of address family transition router (AFTR), AFTR and B4 |
| CN102938736A (en) * | 2012-11-20 | 2013-02-20 | 杭州迪普科技有限公司 | Method and device for realizing IPv6 (Internet Protocol Version 6) network traversing of IPv4 message |
| CN103107933A (en) * | 2011-11-11 | 2013-05-15 | 中国移动通信集团公司 | Method for digital signal (DS)-Lite communication method and central processing element (CPE) and system for (digital signal) DS-Lite communication |
| CN103236964A (en) * | 2013-05-07 | 2013-08-07 | 烽火通信科技股份有限公司 | Linux-based dual-stack lite (DS-lite) implementation method and customer premise equipment (CPE) access equipment thereof |
| CN103684968A (en) * | 2014-01-03 | 2014-03-26 | 中国联合网络通信集团有限公司 | Access network deployment method, terminal equipment, network core equipment and system |
| CN104283787A (en) * | 2013-07-12 | 2015-01-14 | 中国电信股份有限公司 | Routing method and system |
| CN104704781A (en) * | 2012-09-25 | 2015-06-10 | 谷歌公司 | Network device |
| CN104869177A (en) * | 2014-02-21 | 2015-08-26 | 中兴通讯股份有限公司 | Local area network information issuing method and device |
| CN104980366A (en) * | 2014-04-10 | 2015-10-14 | 中国电信股份有限公司 | Method and system for performing strategy safeguard on double-stack user flow |
| EP3021532A4 (en) * | 2013-08-20 | 2016-08-10 | Huawei Tech Co Ltd | Method for realizing residential gateway service function and server |
| CN107547672A (en) * | 2017-05-10 | 2018-01-05 | 新华三技术有限公司 | The switching method and device of router |
| CN107547376A (en) * | 2017-07-21 | 2018-01-05 | 新华三技术有限公司 | routing detection method and device |
| CN109040025A (en) * | 2018-07-09 | 2018-12-18 | 新华三技术有限公司 | A kind of message processing method and device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101771605A (en) * | 2008-12-30 | 2010-07-07 | 华为技术有限公司 | DS-Lite based business flow management method, device and system |
| CN101848195A (en) * | 2009-03-27 | 2010-09-29 | 华为技术有限公司 | Light-weight dual-stack negotiation processing method and device, communication device and communication system |
-
2011
- 2011-04-21 CN CN2011101010238A patent/CN102170395A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101771605A (en) * | 2008-12-30 | 2010-07-07 | 华为技术有限公司 | DS-Lite based business flow management method, device and system |
| CN101848195A (en) * | 2009-03-27 | 2010-09-29 | 华为技术有限公司 | Light-weight dual-stack negotiation processing method and device, communication device and communication system |
Non-Patent Citations (1)
| Title |
|---|
| F. BROCKNERS, S. GUNDAVELLI: "Gateway Initiated Dual-Stack Lite Deployment:draft-gundavelli-softwire-gateway-init-ds-lite-01", 《IETF数据库》 * |
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102325145A (en) * | 2011-10-21 | 2012-01-18 | 杭州华三通信技术有限公司 | Method and equipment for carrying out access control on dual-stack user |
| CN103107933B (en) * | 2011-11-11 | 2016-03-30 | 中国移动通信集团公司 | A kind of DS-Lite communication means and for DS-Lite communication CPE and system |
| CN103107933A (en) * | 2011-11-11 | 2013-05-15 | 中国移动通信集团公司 | Method for digital signal (DS)-Lite communication method and central processing element (CPE) and system for (digital signal) DS-Lite communication |
| CN102685263A (en) * | 2012-04-26 | 2012-09-19 | 中兴通讯股份有限公司 | Method for restoring dynamic mapping of address family transition router (AFTR), AFTR and B4 |
| CN102685263B (en) * | 2012-04-26 | 2015-08-12 | 中兴通讯股份有限公司 | Recover method, AFTR and B4 of the dynamic mapping of AFTR |
| CN104704781B (en) * | 2012-09-25 | 2018-01-23 | 谷歌公司 | The method of the network equipment and mapping network addresses |
| CN104704781A (en) * | 2012-09-25 | 2015-06-10 | 谷歌公司 | Network device |
| CN102938736A (en) * | 2012-11-20 | 2013-02-20 | 杭州迪普科技有限公司 | Method and device for realizing IPv6 (Internet Protocol Version 6) network traversing of IPv4 message |
| CN102938736B (en) * | 2012-11-20 | 2016-06-08 | 杭州迪普科技有限公司 | A kind of method and apparatus realizing IPv4 message passing through IPv 6 network |
| CN103236964A (en) * | 2013-05-07 | 2013-08-07 | 烽火通信科技股份有限公司 | Linux-based dual-stack lite (DS-lite) implementation method and customer premise equipment (CPE) access equipment thereof |
| CN103236964B (en) * | 2013-05-07 | 2015-09-16 | 烽火通信科技股份有限公司 | Based on DS-Lite implementation method and the CPE access device thereof of Linux |
| CN104283787A (en) * | 2013-07-12 | 2015-01-14 | 中国电信股份有限公司 | Routing method and system |
| CN104283787B (en) * | 2013-07-12 | 2017-07-28 | 中国电信股份有限公司 | A kind of method for routing and system |
| EP3021532A4 (en) * | 2013-08-20 | 2016-08-10 | Huawei Tech Co Ltd | Method for realizing residential gateway service function and server |
| US11128493B2 (en) | 2013-08-20 | 2021-09-21 | Huawei Technologies Co., Ltd. | Method for implementing residential gateway service function, and server |
| US10574484B2 (en) | 2013-08-20 | 2020-02-25 | Huawei Technologies Co., Ltd. | Method for implementing residential gateway service function, and server |
| CN103684968B (en) * | 2014-01-03 | 2017-04-12 | 中国联合网络通信集团有限公司 | Access network deployment method, terminal equipment, network core equipment and system |
| CN103684968A (en) * | 2014-01-03 | 2014-03-26 | 中国联合网络通信集团有限公司 | Access network deployment method, terminal equipment, network core equipment and system |
| CN104869177A (en) * | 2014-02-21 | 2015-08-26 | 中兴通讯股份有限公司 | Local area network information issuing method and device |
| CN104980366A (en) * | 2014-04-10 | 2015-10-14 | 中国电信股份有限公司 | Method and system for performing strategy safeguard on double-stack user flow |
| CN104980366B (en) * | 2014-04-10 | 2018-04-06 | 中国电信股份有限公司 | For double stack customer flows to be carried out with the method and system of tactful guarantee |
| CN107547672B (en) * | 2017-05-10 | 2021-03-26 | 新华三技术有限公司 | Router switching method and device |
| CN107547672A (en) * | 2017-05-10 | 2018-01-05 | 新华三技术有限公司 | The switching method and device of router |
| CN107547376A (en) * | 2017-07-21 | 2018-01-05 | 新华三技术有限公司 | routing detection method and device |
| CN107547376B (en) * | 2017-07-21 | 2020-07-07 | 新华三技术有限公司 | Route detection method and device |
| CN109040025A (en) * | 2018-07-09 | 2018-12-18 | 新华三技术有限公司 | A kind of message processing method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102170395A (en) | Data transmission method and network equipment | |
| CN102045314B (en) | The method of anonymous communication, register method, information transceiving method and system | |
| CN106559292B (en) | Broadband access method and device | |
| US9622072B2 (en) | Communication method, method for forwarding data message during the communication process and communication node thereof | |
| US7616615B2 (en) | Packet forwarding apparatus for connecting mobile terminal to ISP network | |
| KR101455219B1 (en) | Method, apparatus and system for forwarding packet | |
| EP2495926B1 (en) | Method, device and system for processing ipv6 messages | |
| US9705706B2 (en) | Multiple prefix connections with translated virtual local area network | |
| US8804562B2 (en) | Broadband network system and implementation method thereof | |
| CN103650424A (en) | Implementation method and server of home gateway service function | |
| CN102907072A (en) | Enabling ipv6 mobility with nat64 | |
| CN101141372A (en) | Method and device for management of routing information and data forwarding in access equipment | |
| CN104396192A (en) | Asymmetric network address encapsulation | |
| WO2013064049A1 (en) | Method for mobile node to dynamically acquire location identifier, and lisp network | |
| CN102238075A (en) | IPv6 (Internet Protocol version 6) routing establishing method based on Ethernet Point-to-Point Protocol and access server | |
| CN104521189A (en) | Method, device and system for acquiring service by network terminal | |
| US10999242B1 (en) | Carrier grade NAT subscriber management | |
| US20140313933A1 (en) | Method, apparatus, and system for layer 2 interworking based on ipv6 | |
| KR101508124B1 (en) | Self-configuration of a forwarding table in an access node | |
| EP3583751B1 (en) | Method for an improved deployment and use of network nodes of a switching fabric of a data center or within a central office point of delivery of a broadband access network of a telecommunications network | |
| KR101311198B1 (en) | Method and apparatus for connecting subscriber devices to an ipv6-capable aggregation network | |
| CN102480476A (en) | Multi-service access method based on DHCP protocol extension | |
| KR20140117987A (en) | Mobile commuication network and mobile communication method using the same | |
| CN104935677A (en) | NAT64 resource obtaining method and obtaining/distributing device | |
| CN108322400B (en) | Message processing method, system and routing equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110831 |