CN104333608A - Mobile terminal as well as method and device of implementing single-PDP (Packet Data Protocol) dual-stack connection thereof - Google Patents
Mobile terminal as well as method and device of implementing single-PDP (Packet Data Protocol) dual-stack connection thereof Download PDFInfo
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
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Abstract
The invention provides a mobile terminal as well as a method and a device of implementing a single-PDP (Packet Data Protocol) dual-stack connection thereof, belonging to the field of mobile communication. The method comprises the following steps of a converting step of obtaining a first PDP activation request message to be transmitted of the mobile terminal and converting the first PDP activation request message into a second PDP activation request message, wherein the PDP type of the second PDP activation request message is IPv4v6; a transmitting step of transmitting the second PDP activation request message to a network side; an analyzing step of analyzing a PDP activation response message returned from the network side and obtaining IP (Internet Protocol) address information and DNS (Domain Name System) address information which are required for connection establishment; and an address allocation step of allocating the IP address information and the DNS address information to a host to establish the connection between the host and the network side. According to the mobile terminal as well as the method and the device of implementing the single-PDP dual-stack connection thereof, the mobile terminal can establish the single-PDP dual-stack connection under the network side after Rel8.
Description
Technical field
The present invention relates to moving communicating field, refer to implementation method, device that a kind of mobile terminal and the two stack of single PDP thereof connect especially.
Background technology
IPv6(Internet Protocol Version6, internet protocol version 6) have that address space is large, address structure is convenient to realize Address Aggregation, supports Address Autoconfiguration, is supported host mobility, its fail safe and service Functionality, quality and appealing design in IPv4(Internet Protocol Version4, internet protocol version 4) etc. many merits.No matter be 3GPP(The3rd Generation Partnership Project, 3rd generation partner program) UMTS(Universal Mobile Telecommunications System, universal mobile telecommunications system), or the CDMA2000(Code Division Multiple Access2000 of 3GPP2, CDMA 2000) system, determine the developing direction that IPv6 is network side load, service application all already.Particularly at the IMS(IP Multimedia Subsystem of 3G, IP multimedia system) stage, network side system will comprehensively based on or compatible IPv6, IPv6 become the shared basic agreement of the Internet and mobile radio communication.
Mobile terminal is when connecting, wireless communication protocol stack can send PDP(Packet Data Protocol, packet data protocol) Context activation request message to network side in order to obtain IP address needed for connection establishment, DNS(Domain Name System, domain name system) address and other relevant configuration information.Early stage mobile terminal only supports IPv4, so mobile terminal can only send the PDP activation request message of IPv4 to network side, obtains IP address and the dns address of IPv4, sets up the link of IPv4.Afterwards along with the development of IPv6 technology, mobile terminal introduces IPv6 function, and mobile terminal also can send the PDP activation request message of IPv6 to network side afterwards, obtains IP address and the dns address of IPv6, sets up the link of IPv6.But before 3GPP agreement Rel8 version, mobile terminal can only support that a PDP Context carries a kind of link of IP type.When mobile terminal sets up two stack connection, need to send two PDP activation request messages, the PDP type of an activation request message is IPv4 simultaneously, and the PDP type of another activation request message is IPv6.Activate successfully, the transfer of data of two kinds of IP types needs to be carried on corresponding PDP Context.3GPP agreement introduces the concept of the two stack of single PDP at Rel8 version, and a PDP Context just can carry IPv4 and IPv6 two links simultaneously.But early stage mobile terminal can only support the two stack of two PDP, namely IPv4 link and IPv6 link need two independently PDP Context carry, this cannot set up the two stack of single PDP and connect under just causing the network side of early stage mobile terminal after Rel8.
Summary of the invention
The technical problem to be solved in the present invention is to provide implementation method, the device of a kind of mobile terminal and the two stack connection of single PDP thereof, sets up the two stack of single PDP and connect under can making the network side of mobile terminal after Rel8.
For solving the problems of the technologies described above, embodiments of the invention provide technical scheme as follows:
On the one hand, a kind of mobile terminal list PDP implementation method that two stack connects is provided, comprises:
Switch process: obtain the first PDP activation request message that mobile terminal is to be sent, and described first PDP activation request message is converted to the second PDP activation request message, the PDP type of described second PDP activation request message is IPv4v6;
Forwarding step: send described second PDP activation request message to network side;
Analyzing step: resolve the PDP activation response message that network side returns, obtains the IP address information and dns address information connecting required;
Address assigning step: by described IP address information and dns address information distribution to main frame, to set up the connection between described main frame and network side.
Further, in such scheme, described switch process specifically comprises:
From the first PDP activation request message that upper intercepting and capturing mobile terminal of eating dishes without rice or wine is to be sent, original PDP type in described first PDP activation request message is replaced with IPv4v6, and the protocol configuration option of described first PDP activation request message is set to the domain name system DNS address information of another kind of type outside network side request original PDP type, obtain the second PDP activation request message.
Further, in such scheme, when described first PDP activation request message is IPv4PDP activation request message, described switch process comprises:
From the described first PDP activation request message of upper intercepting and capturing of eating dishes without rice or wine, and the original PDP type i Pv4 in described first PDP activation request message is replaced with IPv4v6, in the protocol configuration option of described first PDP activation request message, increase the DNS request information field of IPv6, obtain the second PDP activation request message;
When described first PDP activation request message is IPv6PDP activation request message, described switch process comprises:
From the described first PDP activation request message of upper intercepting and capturing of eating dishes without rice or wine, and the original PDP type i Pv6 in described first PDP activation request message is replaced with IPv4v6, in the protocol configuration option of described first PDP activation request message, increase the DNS request information field of IPv4, obtain the second PDP activation request message.
Further, in such scheme, described IP address information includes IPv4 address, and described dns address information includes IPv4DNS address, and described address assigning step comprises:
The DynamicHost receiving described host request IPv4 address arranges Protocol DHCP messages, gives described main frame by dhcp response message by IPv4 address and IPv4DNS address assignment.
Further, in such scheme, described IP address information includes IPV6 prefix addresses, and described dns address information includes IPv6DNS address, and described address assigning step comprises:
Receive the IPV6 route request information of described main frame, give described main frame by IPV6 advertising of route message by described IPV6 prefix addresses and IPv6DNS address assignment, so that described main frame generates global I PV6 address according to described IPV6 prefix addresses.
Further, in such scheme, describedly by IPV6 advertising of route message, described IPV6 prefix addresses and IPv6DNS address assignment also to be comprised to after main frame:
Detecting step: the IPV6 neighbor request message carrying global I PV6 address receiving described main frame, carries out address conflict detection according to described global I PV6 address, and address conflict testing result is returned to described main frame by IPV6 neighbours' response message.
Further, in such scheme, described method also comprises:
Back-off procedure: when also including PDP activation error code in described PDP activation response message, according to the backoff rules corresponding with described PDP activation error code, the two stack of two PDP attempting setting up mobile terminal connects or the mono-stack connection of single PDP.
Further, in such scheme, described back-off procedure comprises:
Include in described PDP activation response message due to IPv6 connect the PDP activation error code of single PDP of causing two stack connection establishment failure time, enter the mono-stack starting state of IPv4, attempt setting up the mono-stack connection of IPv4 of mobile terminal;
When including the PDP activation error code of IPV4 address and the two stack connection establishment failure of single PDP in described PDP activation response message, enter the two stack starting state of two PDP, initiate the mono-stack dialing of IPV6, the two stack of two PDP attempting setting up mobile terminal connects;
When including IPV6 address and the PDP activation error code with the two stack connection establishment failure of single PDP in described PDP activation response message, enter the two stack starting state of two PDP, initiate the mono-stack of IPV4 and dial, the two stacks of two PDP attempting setting up mobile terminal connect.
The embodiment of the present invention additionally provides the implement device that the two stack of a kind of mobile terminal list PDP connects, and comprising:
Converting unit, for obtaining mobile terminal the first PDP activation request message to be sent, and described first PDP activation request message is converted to the second PDP activation request message, the PDP type of described second PDP activation request message is IPv4v6;
Transmitting element, for sending described second PDP activation request message to network side;
Resolution unit, for resolving the PDP activation response message that network side returns, obtains the IP address information and dns address information connecting required;
Allocation unit, for described IP address information and dns address information distribution to main frame, to set up the connection between described main frame and network side.
Further, in such scheme, described converting unit is specifically for from upper intercepting and capturing mobile terminal of eating dishes without rice or wine the first PDP activation request message to be sent, original PDP type in described first PDP activation request message is replaced with IPv4v6, and the protocol configuration option of described first PDP activation request message is set to the domain name system DNS address information of another kind of type outside network side request original PDP type, obtain the second PDP activation request message.
Further, in such scheme, when described first PDP activation request message is IPv4PDP activation request message, described converting unit is used for from the described first PDP activation request message of upper intercepting and capturing of eating dishes without rice or wine, and the original PDP type i Pv4 in described first PDP activation request message is replaced with IPv4v6, in the protocol configuration option of described first PDP activation request message, increase the DNS request information field of IPv6, obtain the second PDP activation request message;
When described first PDP activation request message is IPv6PDP activation request message, described converting unit is used for from the described first PDP activation request message of upper intercepting and capturing of eating dishes without rice or wine, and the original PDP type i Pv6 in described first PDP activation request message is replaced with IPv4v6, in the protocol configuration option of described first PDP activation request message, increase the DNS request information field of IPv4, obtain the second PDP activation request message.
Further, in such scheme, described IP address information includes IPv4 address, and described dns address information includes IPv4DNS address,
Described allocation unit arranges Protocol DHCP messages specifically for the DynamicHost receiving described host request IPv4 address, by dhcp response message, described main frame is distributed in IPv4 address and IPv4 dns address.
Further, in such scheme, described IP address information includes IPV6 prefix addresses, and described dns address information includes IPv6 dns address,
Described allocation unit is specifically for receiving the IPV6 route request information of described main frame, by IPV6 advertising of route message, described IPV6 prefix addresses and IPv6 dns address are distributed to described main frame, so that described main frame generates global I PV6 address according to described IPV6 prefix addresses.
Further, in such scheme, described device also comprises:
Detecting unit, after by IPV6 advertising of route message described IPV6 prefix addresses and IPv6 dns address being distributed to main frame in described allocation unit, receive the IPV6 neighbor request message carrying global I PV6 address of described main frame, carry out address conflict detection according to described global I PV6 address, and address conflict testing result is returned to described main frame by IPV6 neighbours' response message.
Further, in such scheme, described device also comprises:
Rollback unit, during for also including PDP activation error code in described PDP activation response message, according to the backoff rules corresponding with described PDP activation error code, the two stack of two PDP attempting setting up mobile terminal connects or the mono-stack connection of single PDP.
The embodiment of the present invention additionally provides a kind of mobile terminal, comprises the implement device that the two stack of mobile terminal list PDP as above connects.
Embodiments of the invention have following beneficial effect:
In such scheme, the situation of the two stack function of single PDP is not supported for early stage mobile terminal, by the original PDP type in PDP activation request message is replaced with IPv4v6, mobile terminal is enable normally to send the PDP activation request message of IPv4v6 to network side, and the PDP activation response message that can return from network side, resolve corresponding IPv4 and IPv6 address information, thus under making the network side of mobile terminal after Rel8, set up the two stack connection of single PDP.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the implementation method that the two stack of single PDP of embodiment of the present invention mobile terminal connects;
Fig. 2 is the structured flowchart of the implement device that the two stack of single PDP of embodiment of the present invention mobile terminal connects;
Fig. 3 is the structural representation of embodiment of the present invention mobile terminal;
Fig. 4 is the Signalling exchange schematic diagram that embodiment of the present invention mobile terminal carries out the two stack dialing of single PDP;
Fig. 5 is the address assignment Signalling exchange schematic diagram of embodiment of the present invention mobile terminal;
Fig. 6 is the view of the two stack automatic rollback of embodiment of the present invention mobile terminal list PDP.
Embodiment
For embodiments of the invention will be solved technical problem, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Embodiments of the invention are for the problem cannot set up the two stack of single PDP under the network side of mobile terminal early stage in prior art after Rel8 and connect, the implementation method, the device that there is provided a kind of mobile terminal and the two stack of single PDP thereof to connect, set up the two stack of single PDP and connect under can making the network side of mobile terminal after Rel8.
Fig. 1 is the schematic flow sheet of the implementation method that the two stack of single PDP of embodiment of the present invention mobile terminal connects, and as shown in Figure 1, the present embodiment comprises:
Step 101: obtain the first PDP activation request message that mobile terminal is to be sent, and described first PDP activation request message is converted to the second PDP activation request message, the PDP type of described second PDP activation request message is IPv4v6;
Step 102: send described second PDP activation request message to network side;
Step 103: resolve the PDP activation response message that network side returns, obtains the IP address information and dns address information connecting required;
Step 104: by described IP address information and dns address information distribution to main frame, to set up the connection between described main frame and network side.
Implementation method of the present invention, the situation of the two stack function of single PDP is not supported for early stage mobile terminal, by the original PDP type in PDP activation request message is replaced with IPv4v6, mobile terminal is enable normally to send the PDP activation request message of IPv4v6 to network side, and the PDP activation response message that can return from network side, resolve corresponding IPv4 and IPv6 address information, thus under making the network side of mobile terminal after Rel8, set up the two stack connection of single PDP.
Particularly, described step 101 comprises:
From the first PDP activation request message that upper intercepting and capturing mobile terminal of eating dishes without rice or wine is to be sent, original PDP type in described first PDP activation request message is replaced with IPv4v6, and the protocol configuration option of described first PDP activation request message is set to the domain name system DNS address information of another kind of type outside network side request original PDP type, obtain the second PDP activation request message.
Wherein, the first PDP activation request message can be IPv4PDP activation request message or IPv6PDP activation request message.Mobile terminal is when setting up the two stack of single PDP and connecting, need the PDP type the first PDP activation request message (namely from the original PDP activation request message of upper intercepting and capturing of eating dishes without rice or wine) to replace with IPv4v6, and the setting revising protocol configuration option (PCO-IE) is used for network side request dns address information;
Particularly, when described first PDP activation request message is IPv4PDP activation request message, described step 101 comprises:
From the described first PDP activation request message of upper intercepting and capturing of eating dishes without rice or wine, and the original PDP type i Pv4 in described first PDP activation request message is replaced with IPv4v6, in the protocol configuration option of described first PDP activation request message, increase the DNS request information field of IPv6, obtain the second PDP activation request message;
Particularly, when described first PDP activation request message is IPv6PDP activation request message, described step 101 comprises:
From the described first PDP activation request message of upper intercepting and capturing of eating dishes without rice or wine, and the original PDP type i Pv6 in described first PDP activation request message is replaced with IPv4v6, in the protocol configuration option of described first PDP activation request message, increase the DNS request information field of IPv4, obtain the second PDP activation request message.
In described step 103, after the PDP activation response message that reception network side returns, the PDP type in PDP activation response message is revised as the type before replacing it, from described PDP activation response message, parses IP address information and dns address information.
When connecting, if the PDP type of original PDP activation request message sent is IPv4, after to receive PDP type that network side returns be the PDP activation response message of IPv4v6, need the PDP type in PDP activation response message to be revised as IPv4;
When connecting, if the PDP type of original PDP activation request message sent is IPv6, after to receive PDP type that network side returns be the PDP activation response message of IPv4v6, need the PDP type in PDP activation response message to be revised as IPv6.
Further, in such scheme, described IP address information includes IPv4 address, described dns address information includes IPv4DNS address, step 104 comprises: the DHCP(DynamicHost receiving described host request IPv4 address arranges agreement) message, carry out dhcp address negotiation, give described main frame by dhcp response message by IPv4 address and IPv4DNS address assignment.
Further, in such scheme, described IP address information includes IPV6 prefix addresses, and described dns address information includes IPv6DNS address, and described step 104 comprises:
Receive IPV6 route requests (RS) message of described main frame, give described main frame by IPV6 advertising of route message (RA) by described IPV6 prefix addresses and IPv6DNS address assignment, so that described main frame generates global I PV6 address according to described IPV6 prefix addresses.
Further, in such scheme, describedly by IPV6 advertising of route message, described IPV6 prefix addresses and IPv6DNS address assignment also to be comprised to after main frame:
Detecting step: the IPV6 neighbor request message (NS) carrying global I PV6 address receiving described main frame, carries out address conflict detection according to described global I PV6 address;
Address conflict testing result is returned to described main frame by IPV6 neighbours' response message (NA).
Further, mobile terminal of the present invention also supports automatic rollback function, namely when initiating the two stack of single PDP and dialling, when network side does not support the mono-PDP of IPv4v6 pair of stack function, needs to realize automatic rollback function.Particularly, described method also comprises back-off procedure: after receiving the PDP activation response message that network side returns, judge whether include PDP activation error code in PDP activation response message, when also including PDP activation error code in PDP activation response message, according to the backoff rules corresponding with described PDP activation error code, the two stack of two PDP attempting setting up mobile terminal connects or the mono-stack connection of single PDP.
Further, in such scheme, described back-off procedure comprises:
Include in described PDP activation response message due to IPv6 connect the PDP activation error code of single PDP of causing two stack connection establishment failure time, enter the mono-stack starting state of IPv4, attempt setting up the mono-stack connection of IPv4 of mobile terminal;
When including the PDP activation error code of IPV4 address and the two stack connection establishment failure of single PDP in described PDP activation response message, enter the two stack starting state of two PDP, initiate the mono-stack dialing of IPV6, the two stack of two PDP attempting setting up mobile terminal connects;
When including IPV6 address and the PDP activation error code with the two stack connection establishment failure of single PDP in described PDP activation response message, enter the two stack starting state of two PDP, initiate the mono-stack of IPV4 and dial, the two stacks of two PDP attempting setting up mobile terminal connect.
Particularly, when including the PDP activation error code of #28 in described PDP activation response message, the mono-stack of IPv4 attempting setting up mobile terminal connects;
When including the PDP activation error code of IPV4 address and #52 in described PDP activation response message, initiate the mono-stack dialing of IPV6, the two stack of two PDP attempting setting up mobile terminal connects;
When including the PDP activation error code of IPV6 address and #52 in described PDP activation response message, initiate the mono-stack dialing of IPV4, the two stack of two PDP attempting setting up mobile terminal connects.
Further, can according to following different Scene realization automatic rollback function:
1, when the PDP activation error code that network side returns is #28, will the dialing process of IPv4 be initiated, attempt setting up the mono-stack of IPv4 and connect;
When including IPV4 address and the PDP activation error code not with specific SM reason in the PDP activation response message that 2, network side returns, the dialing process of IPv6 will be initiated, attempt setting up the two stack of two PDP;
When including the PDP activation error code of IPV4 address and #52 in the PDP activation response message that 3, network side returns, the dialing process of IPv6 will be initiated, attempt setting up the two stack of two PDP and connect;
When including the PDP activation error code of IPV6 address and #52 in the PDP activation response message that 4, network side returns, the dialing process of IPv4 will be initiated, attempt setting up the two stack of two PDP and connect;
When including the PDP activation error code of IPV4 address and #50 in the PDP activation response message that 5, network side returns, will no longer initiate the dialing process of IPv6, prompting mobile terminal is only operated in the mono-mode stack of IPv4;
When including the PDP activation error code of IPV6 address and #51 in the PDP activation response message that 6, network side returns, will no longer initiate the dialing process of IPv4, prompting mobile terminal is only operated in the mono-mode stack of IPv6.
Fig. 2 is the structured flowchart of the implement device that the two stack of single PDP of embodiment of the present invention mobile terminal connects, and as shown in Figure 2, the present embodiment comprises:
Converting unit 20, for obtaining mobile terminal the first PDP activation request message to be sent, and described first PDP activation request message is converted to the second PDP activation request message, the PDP type of described second PDP activation request message is IPv4v6;
Transmitting element 22, for sending described second PDP activation request message to network side;
Resolution unit 24, for resolving the PDP activation response message that network side returns, obtains the IP address information and dns address information connecting required;
Allocation unit 26, for described IP address information and dns address information distribution to main frame, to set up the connection between described main frame and network side.
Further, in such scheme, described converting unit is specifically for from upper intercepting and capturing mobile terminal of eating dishes without rice or wine the first PDP activation request message to be sent, original PDP type in described first PDP activation request message is replaced with IPv4v6, and the protocol configuration option of described first PDP activation request message is set to the domain name system DNS address information of another kind of type outside network side request original PDP type, obtain the second PDP activation request message.
Further, in such scheme, when described first PDP activation request message is IPv4PDP activation request message, described converting unit is used for from the described first PDP activation request message of upper intercepting and capturing of eating dishes without rice or wine, and the original PDP type i Pv4 in described first PDP activation request message is replaced with IPv4v6, in the protocol configuration option of described first PDP activation request message, increase the DNS request information field of IPv6, obtain the second PDP activation request message;
When described first PDP activation request message is IPv6PDP activation request message, described converting unit is used for from the described first PDP activation request message of upper intercepting and capturing of eating dishes without rice or wine, and the original PDP type i Pv6 in described first PDP activation request message is replaced with IPv4v6, in the protocol configuration option of described first PDP activation request message, increase the DNS request information field of IPv4, obtain the second PDP activation request message.
Further, in such scheme, described IP address information includes IPv4 address, and described dns address information includes IPv4 dns address,
Described allocation unit arranges Protocol DHCP messages specifically for the DynamicHost receiving described host request IPv4 address, by dhcp response message, described main frame is distributed in IPv4 address and IPv4 dns address.
Further, in such scheme, described IP address information includes IPV6 prefix addresses, and described dns address information includes IPv6 dns address,
Described allocation unit is specifically for receiving the IPV6 route request information of described main frame, by IPV6 advertising of route message, described IPV6 prefix addresses and IPv6 dns address are distributed to described main frame, so that described main frame generates global I PV6 address according to described IPV6 prefix addresses.
Further, in such scheme, described device also comprises:
Detecting unit, after by IPV6 advertising of route message described IPV6 prefix addresses and IPv6 dns address being distributed to main frame in described allocation unit, receive the IPV6 neighbor request message carrying global I PV6 address of described main frame, carry out address conflict detection according to described global I PV6 address, and address conflict testing result is returned to described main frame by IPV6 neighbours' response message.
Further, in such scheme, described device also comprises:
Rollback unit, during for also including PDP activation error code in described PDP activation response message, according to the backoff rules corresponding with described PDP activation error code, the two stack of two PDP attempting setting up mobile terminal connects or the mono-stack connection of single PDP.
Implement device of the present invention, the situation of the two stack function of single PDP is not supported for early stage mobile terminal, by the original PDP type in PDP activation request message is replaced with IPv4v6, mobile terminal is enable normally to send the PDP activation request message of IPv4v6 to network side, and the PDP activation response message that can return from network side, resolve corresponding IPv4 and IPv6 address information, thus under making the network side of mobile terminal after Rel8, set up the two stack connection of single PDP.
The embodiment of the present invention additionally provides a kind of mobile terminal, comprise the implement device that the two stack of mobile terminal list PDP as above connects, particularly, this mobile terminal for being arranged on the data card in main frame, can realize the connection between main frame and network side by this mobile terminal.
The implementation method connected the two stack of single PDP of mobile terminal of the present invention below in conjunction with accompanying drawing and specific embodiment, device describe in detail:
1, described mobile terminal comprises WAN(Wide Area Network, wide area network) and LAN(Local Area Network, local area network (LAN)) two modules, wherein WAN module is for sending the address information needed for PDP activation request message to network side acquisition connection establishment, above-mentioned converting unit, transmitting element and resolution unit can be comprised particularly, LAN module is for the connection status that controls between mobile terminal and main frame and the address information obtained from network side is distributed to main frame, can comprise above-mentioned allocation units particularly.
Further, the WAN module of described mobile terminal, carries out PDP Context negotiation for controlling mobile terminal with network side, with obtain IPv4 connect needed for IPv4 address or IPv6 connect needed for IPv6 address and dns address information; The LAN module of described mobile terminal, for controlling the connection status between mobile terminal and main frame, is responsible for IPv4 and IPv6 address information WAN module obtained from network side simultaneously, is automatically configured distribute to main frame by DHCP negotiation and stateless.
Be illustrated in figure 3 the module map of the mobile terminal of the specific embodiment of the invention, WAN module, LAN module and wireless communication protocol stack module is comprised in this mobile terminal, wherein WAN module carries out PDP negotiation for controlling mobile terminal with network side, and LAN module is for controlling connection status before mobile terminal and main frame and address negotiation.When dial-up connection is set up, the request of main frame Sending dialled number is to mobile terminal, and WAN module controls wireless communication protocol stack module transmission PDP activation request message and gets address information to network side.After mobile terminal receives the PDP activation response message that network side returns, WAN module notice LAN module and main frame connection establishment, from the PDP activation response message that network side returns, parse IP address information afterwards and be supplied to LAN module, LAN module consults IPv4 address and DNS information to distribute to main frame by DHCP, is automatically configured IPv6 address assignment to main frame by stateless simultaneously.
As shown in Figure 4, for mobile terminal in the specific embodiment of the invention carries out the Signalling exchange schematic diagram of the two stack dialing of single PDP, detailed process is as follows:
1, when dial-up connection is set up, the request of main frame Sending dialled number is to mobile terminal.
2, mobile terminal is after receiving dial request, and owing to not supporting the two stack dialing of single PDP, therefore mobile terminal will initiate the PDP activation request message of IPv4 or IPv6 according to default setting.When WAN module judges that current needs sets up the two stack dialing of single PDP, then before original PDP activation request message sends, intercept and capture original PDP activation request message from eating dishes without rice or wine, the PDP type of wherein address information request part is revised as IPv4v6, in protocol configuration option, increases the solicited message of IPv6 or IPv4 DNS simultaneously.If what mobile terminal acquiescence sent is IPv4 PDP activation request message, WAN module needs the PDP type information in its address field from 0x21(IPv4) be revised as 0x8d(IPv4v6), in protocol configuration option (PCO-IE), increase the DNS request information field (0x03) of IPv6 simultaneously.If what mobile terminal acquiescence sent is IPv6 PDP activation request message, WAN module needs the PDP type information in its address field from 0x57(IPv4) be revised as 0x8d(IPv4v6), in protocol configuration option (PCO-IE), increase the DNS request information field of IPv4 simultaneously;
In addition, if WAN module judges that current needs sets up the two stack dialing of single PDP, then original PDP activation request message is directly sent to network side.
3, the PDP activation request message obtained after having revised is sent to network side by wireless communication protocol stack module by WAN module.
4, after network side receives the IPv4v6 PDP activation request message of mobile terminal transmission, IPv4 address, IPv6 address and other configuration informations are encapsulated in and activate in PDP response message, send back to mobile terminal, wherein, other configuration informations comprise dns address information and/or error code information.
5, WAN module monitors after network side returns PDP activation response message, then the PDP type in PDP activation response message is revised as the PDP type that acquiescence is initiated, from PDP activation response message, parse IPv4 address, IPv6 address and dns address information simultaneously, afterwards PDP activation response message is returned to wireless communication protocol stack module.If carry error code information in the PDP activation response message that network side returns, WAN module carries out automatic rollback by controlling wireless communication protocol stack according to the error code information of resolving according to agreement regulation.
6, after wireless communication protocol stack module receives PDP activation response message, WAN module notice LAN module and main frame successful connection are set up, and LAN module will start IPv4 and IPv6 protocol stack.
7, the IPv4 address of resolving from PDP activation response message, IPv6 address and dns address are supplied to LAN module by WAN module.
8, after LAN module receives the address information that WAN module provides, consulted to distribute to main frame in IPv4 address and DNS, automatically configured IPv6 address distribute to main frame by stateless by DHCP, IPv6 DNS distributes to main frame by there being state DHCPv6 to configure.So far, address assignment completes, and the successful connection between main frame and network side is set up, and can communicate between main frame and network side.
As shown in Figure 5, for mobile terminal address disclosed by the invention distributes interaction figure, detailed process is as follows:
1, after LAN module receives the IPv4 address and dns address information that WAN module provides, to be consulted IPv4 address and dns address information distribution to main frame by DHCP, particularly, after LAN module receives the DHCP request message of host request IPV4 address, by dhcp response message by IPv4 address and dns address information distribution to main frame.
2, after LAN module receives the IPv6 address and dns address information that WAN module provides, automatically will be configured IPv6 address assignment to main frame by stateless.Particularly, main frame can send route requests (RS) message to mobile terminal, after LAN module receives route request information, IPv6 prefix addresses WAN module provided returns to main frame by advertising of route (RA) message, will automatically generate global I Pv6 address after main frame receives IPv6 prefix addresses.IPv6 DNS will configure to main frame by stateless DHCPV6 configuration by LAN module, repeat no more here.
3, after main frame generates global I Pv6 address, address conflict detection (DAD) is carried out to mobile terminal by sending neighbor request (NS) message carrying global I Pv6 address, LAN module needs to construct corresponding neighbor advertisement (NA) message and sends to main frame after receiving neighbor request (NS) message, detect (DAD) to complete address conflict.
Wherein, above-mentioned IP v4 address negotiation and IPv6 address negotiation are without sequential relationship successively, and Fig. 5 is a kind of possible implementation.
As shown in Figure 6, for the two stack automatic rollback state diagram of mobile terminal list PDP disclosed by the invention, wherein SM(session management) be session management module in the connection management layer (Connection Management) of wireless communication protocol stack, in order to manage the state of activation of PDP Context and to control the foundation of RAB, amendment and release.In the present invention in order to realize the automatic rollback of mobile terminal, state machine for SM adds the two stack of the mono-PDP of IPv4v6_SM_DOWN(and stops) and the two stack work of the mono-PDP of IPv4v6_SM_UP() two kinds of termination states, and the two stack startup of the mono-PDP of the IPv4v6_SM_COMING_UP(of correspondence) and the mono-PDP of IPv4v6_SM_COMING_DOWN(pair of stack closedown) two kinds of intermediate conversion states.These four kinds of states and other single stack connection status (the mono-stack of IPv4_SM_UP(IPv4 starts), the mono-stack of IPv6_SM_UP(IPv6 starts)) and the two stack state of two PDP (the two stack of IPv4_IPv6_SM_UP, two PDP starts) between state transition flow process as follows:
1, before the two stack dialing of single PDP is set up, SM module is in IPv4v6_SM_DOWN state, after mobile terminal receives the Dial Number command of the two stack of single PDP, control wireless communication protocol stack module is sent the two stack activation request message of single PDP by WAN module, and is IPv4v6_SM_COMING_UP by the status modifier of SM module;
2, when mobile terminal receives after the two stack of single PDP that network side returns activates response message, WAN module judge network side receive mobile terminal the two stack dial request of single PDP and after being assigned with IPv4 and IPv6 address, be IPv4v6_SM_UP by the status modifier of SM module, notify the two stack connection establishment of LAN module list PDP simultaneously;
3, when connection establishment, after mobile terminal receives the instruction of dialing disconnection, control wireless communication protocol stack module is sent the two stack deexcitation request message of single PDP by WAN module, and is IPv4v6_SM_COMING_DOWN by the status modifier of SM module;
4, after mobile terminal receives the two stack deexcitation response message of single PDP that network side returns, the status modifier of SM module is IPv4v6_SM_DOWN by WAN module, notifies that the two stack of LAN module list PDP connects simultaneously and disconnects;
5, when mobile terminal receives after the two stack of single PDP that network side returns activates response message, when WAN module judges that network side returns IPv4 address and carries the PDP activation error code of #50, can be IPv4_SM_UP by the status modifier of SM module, what notify the current foundation of LAN module be that the mono-stack of IPv4 connects simultaneously;
6, when mobile terminal receives after the two stack of single PDP that network side returns activates response message, when WAN module judges that network side returns IPv6 address and carries the PDP activation error code of #51, can be IPv6_SM_UP by the status modifier of SM module, what notify the current foundation of LAN module be that the mono-stack of IPv6 connects simultaneously;
7, when mobile terminal receives after the two stack of single PDP that network side returns activates response message, when WAN module judges that network side returns IPv4 address and carries the PDP activation error code of #52, can be IPv4_IPv6_SM_COMING_UP by the status modifier of SM module, control wireless communication protocol stack module afterwards and initiate the mono-stack dialing of IPv6, if dial-up success, be then IPv4_IPv6_SM_UP by the status modifier of SM module, notify the two stack connection establishment of the two PDP of LAN module simultaneously;
8, when mobile terminal receives after the two stack of single PDP that network side returns activates response message, when WAN module judges that network side returns IPv6 address and carries the PDP activation error code of #52, can be IPv4_IPv6_SM_COMING_UP by the status modifier of SM module, control wireless communication protocol stack module afterwards and initiate the mono-stack dialing of IPv4, if dial-up success, be then IPv4_IPv6_SM_UP by the status modifier of SM module, notify the two stack connection establishment of the two PDP of LAN module simultaneously;
9, when mobile terminal receives after the two stack of single PDP that network side returns activates refuse information, if when WAN module judges that the PDP activation error code reason of network side refusal is #28, wireless communication protocol stack module will be controlled and initiate the mono-stack dialing of IPv4, if dial-up success, be then IPv4_SM_UP by the status modifier of SM module, what notify the current foundation of LAN module is the mono-stack connection of IPv4 simultaneously;
Abnormal flow process is as follows:
10, when mobile terminal receives after the two stack of the single PDP carrying other reasons that network side returns activates refuse information, the status modifier of SM module is IPv4v6_SM_DOWN by WAN module, notifies that LAN model calling is set up unsuccessfully simultaneously;
11, when connection establishment, when mobile terminal because the reason of other exceptions causes PDP deexcitation, the status modifier of SM module is IPv4v6_SM_DOWN by WAN module, notifies that LAN model calling is abnormal simultaneously and disconnects.
Many functional parts described in this specification are all called as module, specifically to emphasize the independence of its implementation.
In the embodiment of the present invention, module can use software simulating, to be performed by various types of processor.For example, the executable code module of a mark can comprise one or more physics or the logical block of computer instruction, and for example, it can be built as object, process or function.However, the executable code of institute's identification module is does not have to be physically positioned at together, but can comprise and be stored in different different instruction physically, when these command logics combine, and its composition module and realize the regulation object of this module.
In fact, executable code module can be individual instructions or many bar instructions, and even can be distributed on multiple different code segment, is distributed in the middle of distinct program, and crosses over the distribution of multiple memory devices.Similarly, operating data can be identified in module, and can realize according to any suitable form and be organized in the data structure of any suitable type.Described operating data can be collected as individual data collection, or can be distributed on diverse location and (be included in different storage device), and can only be present on system or network side as electronic signal at least in part.
When module can utilize software simulating, consider the level of existing hardware technique, so can with the module of software simulating, when not considering cost, those skilled in the art can build corresponding hardware circuit and realize corresponding function, and described hardware circuit comprises existing semiconductor or other discrete element of conventional ultra-large integrated (VLSI) circuit or gate array and such as logic chip, transistor and so on.Module can also use programmable hardware device, the realizations such as such as field programmable gate array, programmable logic array, programmable logic device.
In each embodiment of the method for the present invention; the sequence number of described each step can not be used for the sequencing limiting each step; for those of ordinary skill in the art, under the prerequisite not paying creative work, the priority of each step is changed also within protection scope of the present invention.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (16)
1. an implementation method for the two stack connection of mobile terminal list PDP, is characterized in that, comprising:
Switch process: obtain the first PDP activation request message that mobile terminal is to be sent, and described first PDP activation request message is converted to the second PDP activation request message, the PDP type of described second PDP activation request message is IPv4v6;
Forwarding step: send described second PDP activation request message to network side;
Analyzing step: resolve the PDP activation response message that network side returns, obtains the IP address information and dns address information connecting required;
Address assigning step: by described IP address information and dns address information distribution to main frame, to set up the connection between described main frame and network side.
2. the implementation method of the two stack connection of mobile terminal list PDP according to claim 1, it is characterized in that, described switch process specifically comprises:
From the first PDP activation request message that upper intercepting and capturing mobile terminal of eating dishes without rice or wine is to be sent, original PDP type in described first PDP activation request message is replaced with IPv4v6, and the protocol configuration option of described first PDP activation request message is set to the domain name system DNS address information of another kind of type outside network side request original PDP type, obtain the second PDP activation request message.
3. the implementation method of the two stack connection of mobile terminal list PDP according to claim 2, is characterized in that,
When described first PDP activation request message is IPv4PDP activation request message, described switch process comprises:
From the described first PDP activation request message of upper intercepting and capturing of eating dishes without rice or wine, and the original PDP type i Pv4 in described first PDP activation request message is replaced with IPv4v6, in the protocol configuration option of described first PDP activation request message, increase the DNS request information field of IPv6, obtain the second PDP activation request message;
When described first PDP activation request message is IPv6PDP activation request message, described switch process comprises:
From the described first PDP activation request message of upper intercepting and capturing of eating dishes without rice or wine, and the original PDP type i Pv6 in described first PDP activation request message is replaced with IPv4v6, in the protocol configuration option of described first PDP activation request message, increase the DNS request information field of IPv4, obtain the second PDP activation request message.
4. the implementation method that the two stack of the mobile terminal list PDP according to any one of claim 1-3 connects, it is characterized in that, described IP address information includes IPv4 address, and described dns address information includes IPv4 dns address, and described address assigning step comprises:
The DynamicHost receiving described host request IPv4 address arranges Protocol DHCP messages, by dhcp response message, described main frame is distributed in IPv4 address and IPv4 dns address.
5. the implementation method that the two stack of the mobile terminal list PDP according to any one of claim 1-3 connects, it is characterized in that, described IP address information includes IPV6 prefix addresses, and described dns address information includes IPv6 dns address, and described address assigning step comprises:
Receive the IPV6 route request information of described main frame, by IPV6 advertising of route message, described IPV6 prefix addresses and IPv6 dns address are distributed to described main frame, so that described main frame generates global I PV6 address according to described IPV6 prefix addresses.
6. the implementation method that connects of the two stack of mobile terminal list PDP according to claim 5, is characterized in that, described by IPV6 advertising of route message described IPV6 prefix addresses and IPv6 dns address distributed to main frame after also comprise:
Detecting step: the IPV6 neighbor request message carrying global I PV6 address receiving described main frame, carries out address conflict detection according to described global I PV6 address, and address conflict testing result is returned to described main frame by IPV6 neighbours' response message.
7. the implementation method of the two stack connection of mobile terminal list PDP according to claim 1, it is characterized in that, described method also comprises:
Back-off procedure: when also including PDP activation error code in described PDP activation response message, according to the backoff rules corresponding with described PDP activation error code, the two stack of two PDP attempting setting up mobile terminal connects or the mono-stack connection of single PDP.
8. the implementation method of the two stack connection of mobile terminal list PDP according to claim 7, it is characterized in that, described back-off procedure comprises:
Include in described PDP activation response message due to IPv6 connect the PDP activation error code of single PDP of causing two stack connection establishment failure time, enter the mono-stack starting state of IPv4, attempt setting up the mono-stack connection of IPv4 of mobile terminal;
When including the PDP activation error code of IPV4 address and the two stack connection establishment failure of single PDP in described PDP activation response message, enter the two stack starting state of two PDP, initiate the mono-stack dialing of IPV6, the two stack of two PDP attempting setting up mobile terminal connects;
When including IPV6 address and the PDP activation error code with the two stack connection establishment failure of single PDP in described PDP activation response message, enter the two stack starting state of two PDP, initiate the mono-stack of IPV4 and dial, the two stacks of two PDP attempting setting up mobile terminal connect.
9. an implement device for the two stack connection of mobile terminal list PDP, is characterized in that, comprising:
Converting unit, for obtaining mobile terminal the first PDP activation request message to be sent, and described first PDP activation request message is converted to the second PDP activation request message, the PDP type of described second PDP activation request message is IPv4v6;
Transmitting element, for sending described second PDP activation request message to network side;
Resolution unit, for resolving the PDP activation response message that network side returns, obtains the IP address information and dns address information connecting required;
Allocation unit, for described IP address information and dns address information distribution to main frame, to set up the connection between described main frame and network side.
10. the implement device of the two stack connection of mobile terminal list PDP according to claim 9, it is characterized in that, described converting unit is specifically for from upper intercepting and capturing mobile terminal of eating dishes without rice or wine the first PDP activation request message to be sent, original PDP type in described first PDP activation request message is replaced with IPv4v6, and the protocol configuration option of described first PDP activation request message is set to the domain name system DNS address information of another kind of type outside network side request original PDP type, obtain the second PDP activation request message.
The implement device that the two stack of 11. mobile terminal list PDP according to claim 10 connects, is characterized in that,
When described first PDP activation request message is IPv4 PDP activation request message, described converting unit is used for from the described first PDP activation request message of upper intercepting and capturing of eating dishes without rice or wine, and the original PDP type i Pv4 in described first PDP activation request message is replaced with IPv4v6, in the protocol configuration option of described first PDP activation request message, increase the DNS request information field of IPv6, obtain the second PDP activation request message;
When described first PDP activation request message is IPv6PDP activation request message, described converting unit is used for from the described first PDP activation request message of upper intercepting and capturing of eating dishes without rice or wine, and the original PDP type i Pv6 in described first PDP activation request message is replaced with IPv4v6, in the protocol configuration option of described first PDP activation request message, increase the DNS request information field of IPv4, obtain the second PDP activation request message.
The implement device that the two stack of 12. mobile terminal list PDP according to any one of claim 9-11 connects, it is characterized in that, described IP address information includes IPv4 address, and described dns address information includes IPv4 dns address,
Described allocation unit arranges Protocol DHCP messages specifically for the DynamicHost receiving described host request IPv4 address, by dhcp response message, described main frame is distributed in IPv4 address and IPv4 dns address.
The implement device that the two stack of 13. mobile terminal list PDP according to any one of claim 9-11 connects, it is characterized in that, described IP address information includes IPV6 prefix addresses, and described dns address information includes IPv6 dns address,
Described allocation unit is specifically for receiving the IPV6 route request information of described main frame, by IPV6 advertising of route message, described IPV6 prefix addresses and IPv6 dns address are distributed to described main frame, so that described main frame generates global I PV6 address according to described IPV6 prefix addresses.
The implement device that the two stack of 14. mobile terminal list PDP according to claim 13 connects, it is characterized in that, described device also comprises:
Detecting unit, after by IPV6 advertising of route message described IPV6 prefix addresses and IPv6 dns address being distributed to main frame in described allocation unit, receive the IPV6 neighbor request message carrying global I PV6 address of described main frame, carry out address conflict detection according to described global I PV6 address, and address conflict testing result is returned to described main frame by IPV6 neighbours' response message.
The implement device that the two stack of 15. mobile terminal list PDP according to claim 9 connects, it is characterized in that, described device also comprises:
Rollback unit, during for also including PDP activation error code in described PDP activation response message, according to the backoff rules corresponding with described PDP activation error code, the two stack of two PDP attempting setting up mobile terminal connects or the mono-stack connection of single PDP.
16. 1 kinds of mobile terminals, is characterized in that, comprise the implement device that the two stack of mobile terminal list PDP according to any one of claim 9-15 connects.
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| CN201310309230.1A CN104333608B (en) | 2013-07-22 | 2013-07-22 | Mobile terminal and its implementation method of the bis- stack connections of list PDP, device |
| PCT/CN2013/088495 WO2014161342A1 (en) | 2013-07-22 | 2013-12-04 | Mobile terminal and method and apparatus for implementing single pdp dual stack connection for same |
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