CN102469176A - Method and equipment for distributing IP (Internet protocol) addresses - Google Patents
Method and equipment for distributing IP (Internet protocol) addresses Download PDFInfo
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- CN102469176A CN102469176A CN2010105499465A CN201010549946A CN102469176A CN 102469176 A CN102469176 A CN 102469176A CN 2010105499465 A CN2010105499465 A CN 2010105499465A CN 201010549946 A CN201010549946 A CN 201010549946A CN 102469176 A CN102469176 A CN 102469176A
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Abstract
The invention discloses a method and equipment for distributing IP (Internet protocol) addresses. The method comprises the following steps that: a network side receives an address application request sent by a user terminal, wherein the address application request is carried with a user terminal request with a load bearing type being IPv4v6; and when determining that the user terminal is a single mode terminal according to the address application request, the network side sets the load beating type of the user terminal to be IPv4v6 and distributing an IPv4 address and an IPv6 address to the user terminal. In the invention, when the UE (User Equipment) is the single mode terminal, the network side sets the load beating type of the UE to be IPv4v6 and distributing the IPv4 address and the IPv6 address to the UE, so that the IPv4 address and the IPv6 address can be distributed by making full use of the load beating type of IPv4v6, and the cost of a core network is reduced.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method and apparatus of IP address assignment.
Background technology
Current internet protocol comprises IPv4 and IPv6, and IPv4 adopts 32 IP addresses, and address space is limited; IPv6 adopts 128 bit address, can thoroughly solve IPv4 address shortage problem.But how to be smoothly transitted into the IPv6 network from the IPv4 network is the successful key of IPv6.For the continuity that guarantees that transition period servive is visited, the continuity of Operational Visit when promptly switch between IPv4 and IPv6 network at the terminal, 3GPP is with the basic fundamental of two stacks (giving terminal distribution IPv4 and IPv6 address simultaneously) as the IPv6 transition.
In order to adapt to this demand, double-stack technology need all be supported IPv4v6 from all nodes of terminal to network side.Can support IPv4v6 in the current LTE network, but have the nodes such as SGSN of not supporting IPv4v6 in the 2/3G network.LTE pattern and/or 2/3G pattern are supported in terminal of the prior art; In order to guarantee business continuance; For the situation that terminal request IPv4v6PDN/PDP connects, network side is provided with unified strategy, has only when all patterns at all terminals in the network are all supported IPv4v6; Could allow the terminal to set up IPv4v6 PDN/PDP and connect, and then obtain the IPv4v6 address.
At present; When switching between E-UTRAN and UTRAN (UMTS Terrestrial Radio Access Network, UMTS Terrestrial radio access network) and the GERAN (GSM EDGE Radio Access Network, GSM EDGE Radio Access Network); PDN (Packet Data Network; Packet data network) can only be mapped as the PDP (Packet Data Protocol, packet data protocol) of same type, promptly IPv4v6PDN is mapped as IPv4v6PDP; IPv4PDN is mapped as IPv4PDP, and IPv6PDN is mapped as IPv6PDP.
But; Because the 2/3G pattern and LTE (the Long Term Evolution at terminal; Long Term Evolution) pattern is not exclusively synchronous to the support of IPv4v6, and the business continuance when guaranteeing LTE and 2/3G network interoperability is for multimode terminal; Have only when its all patterns are all supported IPv4v6PDP, could use IPv4v6PDN.
Concrete, be example with the process of LTE terminal to apply IPv4v6 address, as shown in Figure 1, comprising:
The PDN type of request was IPv4v6PDN type when 1, UE adhered to according to the configuration setting of self IP stack.
2, MME (Mobility Management Entity; Mobility Management Entity) after receiving the attach request of UE; With the PDN type of UE request and from HSS (Home Subscriber Server; The home subscriber database) the PDN type in the user contracting data record of obtaining in compares, if subscription data is IPv4v6PDN, MME sends " Create Session Request (establishment conversation request) " message and carries out the default bearing establishment to S-GW.If PDN type is configured to IPv4v6; According to operator's pre-configured on node; If having upgraded, the SGSN that all UE possibly switch to supports two stack PDP; MME is provided with DABF (Dual Address Bearer Flag, two stack address bearing marks), and for example DABF is set to 1.
3, S-GW sends Create Session Request to PDN GW, and PDN GW limits IPv4v6 PDN type according to carrier policy after receiving the message that S-GW sends.
If operator's preference policy only allows APN to use IPv4 address or IPv6 prefix; The PDN type will be revised as IPv4 PDN or IPv6 PDN; And this information returned to the terminal, the desired PDN type of operator's preference policy just can only be used in the terminal when the PDN that please look for novelty connects; If in the Create Session Request message that PDN GW receives; MME is not provided with DABF; The PDN type should be set to IPv4 or IPv6; And reason returned to the terminal, another independently PDN type can be applied in the terminal, connects and obtains IPv4 and IPv6 address through setting up IPv4, two PDN of IPv6.
4, PDN GW gives the terminal distribution address according to the PDN type after being provided with, and " the Create Session Response " message that will comprise IPv6 interface identifier or IPv4 address sends to S-GW.
5, to MME, MME sends " Attach Accept " message to UE to S-GW, has wherein comprised IPv6 interface identifier or IPv4 address with Create Session Response forwards.
6, UE sends RS (Router Solicitation, router solicitation) message and gives PDN GW.
7, PDN GW responds RA (RouterAdvertisement, router advertisement) after receiving RS message immediately, perhaps periodically sends RA message and gives UE, and RA message should comprise the identical IPv6 prefix that is provided with the default bearing establishment stage.UE constructs a complete IPv6 address through the stateless address automatic configuration method after receiving RA message.
In the said process, MME has adopted unified strategy to LTE single-mode terminal and multimode terminal, causes the LTE single-mode terminal to use IPv4v6PDN also to receive the influence of LTE and 2/3G interoperability, and two stack bearer properties of LTE are not fully used.Simultaneously; For the LTE multimode terminal, exist all patterns all to support the multimode terminal of IPv4v6PDN, also exist partial mode not support the multimode terminal of IPv4v6PDN; Under the existing scheme all LTE multimode terminals are not allowed to use IPv4v6PDN; Network side only uses independently PDP/PDN distributing IP v4 and IPv6 address respectively of two of IPv4 and IPv6, causes the LTE characteristic fully to use, the rising of core net cost.
Summary of the invention
The embodiment of the invention provides a kind of method and apparatus of IP address assignment, makes network side that the IPv4v6PDN/PDP of UE is set flexibly, makes full use of two stack characteristics of UE.
The embodiment of the invention provides a kind of method of IP address assignment, comprising:
Network side receives the application IP addresses request that user terminal sends, and the bearer types that carries said user terminal requests in the said application IP addresses request is IPv4v6;
When said network side confirmed that according to said application IP addresses request said user terminal is single-mode terminal, the bearer types that said network side is provided with said user terminal was IPv4v6, was said user terminal distributing IP v4 and IPv6 address.
The embodiment of the invention provides a kind of method of IP address assignment, comprising:
Network side receives the application IP addresses request that user terminal sends, and the bearer types that carries said user terminal requests in the said application IP addresses request is IPv4v6;
Said network side obtains the bearer types that all patterns of the said user terminal that carries in the said application IP addresses request are supported respectively; If all patterns of said user terminal are all supported the IPv4v6 bearer types, the bearer types that said network side is provided with said user terminal is IPv4v6, is said user terminal distributing IP v4 and IPv6 address.
The embodiment of the invention provides a kind of method of IP address assignment, comprising:
User terminal obtains the bearer types that each network schemer of self supporting is supported respectively;
Said user terminal sends the application IP addresses request to network side, and when all patterns of said user terminal were all supported the IPv4v6 bearer types, the bearer types that carries in the said application IP addresses request was IPv4v6.
The embodiment of the invention provides a kind of network equipment, comprising:
Receiving element is used to receive the application IP addresses request that user terminal sends, and the bearer types that carries said user terminal requests in the said application IP addresses request is IPv4v6;
Judging unit is used to judge whether said user terminal is single-mode terminal;
The unit is set, is used for when said user terminal is single-mode terminal, the bearer types that said user terminal is set is IPv4v6.
The embodiment of the invention provides a kind of network equipment, comprising:
Receiving element is used to receive the application IP addresses request that user terminal sends, and the bearer types that carries said user terminal requests in the said application IP addresses request is IPv4v6;
Acquiring unit is used for obtaining the bearer types that all patterns of the said user terminal that said application IP addresses request carries are supported respectively;
The unit is set, is used for all supporting the IPv4v6 bearer types when all patterns of said user terminal, the bearer types that said user terminal is set is IPv4v6.
The embodiment of the invention provides a kind of user terminal, comprises
Acquiring unit is used to obtain the bearer types that each network schemer of self supporting is supported respectively;
Transmitting element is used for sending the application IP addresses request to network side, and when all patterns of said user terminal were all supported the IPv4v6 bearer types, the bearer types that carries in the said application IP addresses request was IPv4v6.
The embodiment of the invention provides a kind of user terminal, comprising:
Acquiring unit is used to obtain the bearer types that each network schemer of said user terminal support is supported respectively;
Transmitting element is used for sending the application IP addresses request to network side, carries the bearer types that each network schemer of said user terminal support is supported respectively in the said application IP addresses request.
Compared with prior art, the embodiment of the invention has the following advantages at least:
In the embodiment of the invention, when UE was single-mode terminal, the bearer types that network side is provided with UE was IPv4v6, was UE distributing IP v4 and IPv6 address, thereby can makes full use of IPv4v6 bearer types distributing IP v4 and IPv6 address, reduced the core net cost.
Description of drawings
Fig. 1 is the process sketch map of LTE terminal to apply IPv4v6 address in the prior art;
Fig. 2 is the schematic flow sheet of the method for the IP address assignment that provides of the embodiment of the invention one;
Fig. 3 is the schematic flow sheet of the method for the IP address assignment that provides of the embodiment of the invention two;
Fig. 4 is the schematic flow sheet of the method for the IP address assignment that provides of the embodiment of the invention three;
Fig. 5 and Fig. 6 are the structural representations of the network equipment that provides of the embodiment of the invention four;
Fig. 7 is the structural representation of the network equipment that provides of the embodiment of the invention five;
Fig. 8 is the structural representation of the user terminal that provides of the embodiment of the invention six;
Fig. 9 is the structural representation of the corresponding network equipment of the user terminal that provides of the embodiment of the invention six;
Figure 10 is the structural representation of the user terminal that provides of the embodiment of the invention seven.
Embodiment
To combine the accompanying drawing in the embodiments of the invention below, the technical scheme in the embodiments of the invention is carried out clear, intactly description, obviously, the embodiments described below only are the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of embodiments of the invention protection.
Embodiment one
The embodiment of the invention one provides a kind of method of IP address assignment; When the UE request is provided with PDN/PDPtype (bearer types) for IPv4v6; MME/SGSN judges according to the type of UE, if UE is a single-mode terminal, and user contracting data allows to use IPv4v6; Then do not have the influence of LTE network and 2/3G network interoperability, the PDN/PDP type that MME/SGSN allows to be provided with UE is IPv4v6.
Concrete, as shown in Figure 2, for the LTE single-mode terminal is an example, this method may further comprise the steps with UE:
Concrete, the PDN type of carrying the UE setting in the attach request is IPv4v6, APN (AccessPoint Name, APN), MS Radio Access Capability (wireless access capability of mobile site) information.
Concrete, MME obtains the user contracting data of UE from HSS, the PDN type of record UE in this user contracting data, if the PDN type of the UE that writes down in the user contracting data is IPv4v6PDN, then the PDN type of UE request is legal.MME is further known the tenability of UE to various patterns according to MS RadioAccess Capability information in the attach request, confirms that UE only supports the LTE pattern, and promptly it is a single-mode terminal.
Concrete, the PDN type that MME is provided with UE is IPv4v6PDN, and DABF is provided with, and it is 1 that the DABF value for example is set, and MME sends " Create Session Request " message to S-GW then, carries the DABF value in this message.
Need explanation; For the single-mode terminal of 2/3G pattern, the attach request in above-mentioned each step is replaced with PDP activate request, MME is replaced with GGSN; PDN is replaced with PDP; Can realize promptly that based on said process it is that the PDP type of single-mode terminal was set to IPv4v6, and then is the process of single-mode terminal distributing IP v4 address and IPv6 address after the PDP of IPv4v6 activated request that GGSN receives PDP type that the single-mode terminal of 2/3G pattern sends.
In the embodiment of the invention, when UE was single-mode terminal, the bearer types that network side is provided with UE was IPv4v6, was UE distributing IP v4 and IPv6 address, thereby can makes full use of IPv4v6 bearer types distributing IP v4 and IPv6 address, reduced the core net cost.
Embodiment two
The embodiment of the invention two provides a kind of method of IP address assignment; UE carries the PDN/PDP type (bearer types) that each pattern of UE is supported when sending attach request or PDP activation request (being the application IP addresses requests); When MME/SGSN supports IPv4v6PDN/PDP according to all patterns of attach request or the definite UE of PDP activation request, allow UE that the PDN/PDP type is set and be IPv4v6PDN/PDP, concrete; As shown in Figure 3, this method may further comprise the steps:
When UE was the LTE terminal, it supported the LTE pattern, can also support 2/3G pattern (multimode terminal).UE sends attach request to MME, carries PDN type, APN, the MS Radio Access Capability of UE request in the request, and each pattern institute of supporting of LTE terminal PDN/PDP type of support respectively.When UE was the 2/3G terminal, UE sent PDP to SGSN and activates request, and PDP activates PDP type, APN and the MS Radio Access Capability that carries the UE request in the request, and the PDN/PDP type supported of 2/3G terminal.Concrete; Attach request or PDP activate in the request and carry the pattern that UE supports; And through activating IE (the Information Element that introduces redetermination in the request in attach request or PDP; Information unit) or PCO modes such as (Protocol Configuration Options, protocol configuration option), be used to the PDN/PDP type that shows that the every kind of pattern in terminal is supported.Wherein IE is the field of expansion; Can represent the PDN/PDP type that the pattern of UE support is supported through the value that this extended field is set; For example the extended field value is the 2/3G pattern support IPv4v6PDN/PDP of 1 expression UE; The extended field value is that the 2/3G pattern of 2 expression UE is supported IPv4PDN/PDP, and the extended field value is that the 2/3G pattern of 3 expression UE is supported IPv6PDN/PDP.UE can also be through the new option of expansion in PCO, the PDN/PDP type that the pattern that reports UE to support is supported.
Concrete, MME knows that according to attach request UE only supports the LTE pattern, and promptly UE is the LTE single-mode terminal, and then MME is IPv4v6PDN according to the PDN type that embodiment one said mode is provided with UE.If MME is known UE and is supported LTE and 2/3G pattern; Be that UE is the LTE multimode terminal; Then MME further obtains the LTE pattern of UE and PDN type/PDP type that the 2/3G pattern is supported respectively; Perhaps only obtain the PDP type of the 2/3G pattern support of UE, if the 2/3G pattern of UE is supported IPv4v6PDP, the PDN type that UE then is set is IPv4v6PDN; If the 2/3G pattern of UE is not supported IPv4v6PDP, then attach request is handled with reference to process shown in Figure 1.
SGSN receives the PDP activation message that UE sends, if the 2/3G pattern that UE supports is supported IPv4v6PDP, the PDP type that UE then is set is IPv4v6PDP; If the 2/3G pattern of UE is not supported IPv4v6PDP, then attach request is handled with reference to process shown in Figure 1.
Need explanation, MME/SGSN can not consider that also UE is single mode or multimode terminal, but directly activates the PDN/PDP type that each pattern of UE of carrying in the message is supported respectively according to attach request/PDP, and the PDN/PDP type of UE is set.
Concrete, MME is provided with DABF, and it is 1 that DABF value for example is set, and MME is to S-GW transmission " Create Session Request " message then, carries the DABF value in this message, the PDN/PDP type is IPv4v6PDN/PDP.
Step 304～step 309 is identical with step 203～step 208, repeats no more at this.
In the embodiment of the invention, when UE was single-mode terminal, the bearer types that network side is provided with UE was IPv4v6, was UE distributing IP v4 and IPv6 address; When UE is multimode terminal but all patterns of UE when supporting the IPv4v6 bearer types, the bearer types that network side is provided with UE is IPv4v6, is UE distributing IP v4 and IPv6 address; Thereby can make full use of IPv4v6 bearer types distributing IP v4 and IPv6 address, reduce the core net cost.
Embodiment three
The embodiment of the invention three provides a kind of method of IP address assignment; UE is when sending attach request or PDP activation request, and wherein the PDP/PDN type of request need be provided with according to the PDP/PDN type that each pattern of self supporting is supported respectively, promptly supports the minimal set of IP address ability to apply for according to all patterns; IPv4v6PDP/PDN was just applied at the terminal when all patterns were all supported IPv4v6; Concrete, as shown in Figure 4, this method may further comprise the steps:
Concrete, if UE is the LTE single-mode terminal, then can apply for IPv4PDN, IPv6PDN and IPv4v6PDN; If UE is the 2/3G single-mode terminal, then works as the 2/3G pattern of UE and support IPv4v6
During PDP, then can apply for IPv4PDP, IPv6PDP and IPv4v6PDP.If UE is the LTE multimode terminal, then when the 2/3G pattern is supported IPv4v6PDP, can apply for IPv4PDN, IPv6PDN and IPv4v6PDP/PDN.If all patterns of UE are all supported IPv4v6, then the PDP/PDN type of application is set is IPv4v6PDP/PDN to UE.If the 2/3G pattern that UE supports or not IPv4v6
PDP, then UE can not apply for IPv4v6PDP/PDN, applies for the common factor of the PDP/PDN type that each pattern is supported respectively, and for example the 2/3G pattern is supported IPv4PDP, and the LTE pattern is supported IPv4PDN, IPv6PDN and IPv4v6PDN, then UE application IPv4PDP/PDN.
The detailed process of step 403 can repeat no more at this with reference to method shown in Figure 1.
In the embodiment of the invention, the terminal can obtain terminal type and terminal operating system and different mode to the tenability of IP address through configuration or auto discovery mechanism, and this present invention is not limited.
In the embodiment of the invention; When all patterns of UE are all supported the IPv4v6 bearer types; UE activates in the request at attach request or PDP and carries IPv4v6 bearer types (IPv4v6PDN/PDP), otherwise UE reports the common factor of the bearer types that each pattern supports respectively; When the bearer types of the bearer types that reports as UE and record during the user is signatory is identical; The bearer types that network side is provided with UE is the bearer types that UE reports, thereby can make full use of IPv4v6 bearer types distributing IP v4 and IPv6 address, reduces the core net cost.
Embodiment four
Based on the same or analogous technical conceive of said method embodiment, the embodiment of the invention four provides a kind of network equipment, and is as shown in Figure 5, comprising:
Receiving element 11 is used to receive the application IP addresses request that user terminal sends, and the bearer types that carries said user terminal requests in the said application IP addresses request is IPv4v6;
Judging unit 12 is used to judge whether said user terminal is single-mode terminal;
The said unit 13 that is provided with also is used for: when said user terminal is multimode terminal, and the bearer types that said user terminal is set according to the subscription data and the carrier policy of said user terminal.
As shown in Figure 6, also comprise type acquiring unit 14, be used for when said user terminal is multimode terminal, obtain the bearer types that all patterns of the said user terminal that carries in the said application IP addresses request are supported respectively; Accordingly, the said unit 13 that is provided with also is used for: when all patterns of said user terminal were all supported the IPv4v6 bearer types, the bearer types that said user terminal is set was IPv4v6.
Said type acquiring unit 14 also is used for: according to the information that the extended field or the scaling option in the protocol configuration option of said application IP addresses request carries, obtain the bearer types that all patterns of said user terminal are supported respectively.
Said judging unit 12 also is used for: obtain the wireless access capability information of the mobile site that said application IP addresses request carries, according to the said user terminal that carries in this information the tenability of diverse network pattern is judged whether said user terminal is single-mode terminal.
The said unit 13 that is provided with also is used for: when the bearer types of said user terminal is set to IPv4v6, two stack address bearing marks of said user terminal are set.
Also comprise signatory acquiring unit 15, be used for obtaining the bearer types that the subscription data of said user terminal writes down; The said unit 13 that is provided with also is used for: when the bearer types that writes down when the subscription data of said user terminal was IPv4v6, the bearer types that said user terminal is set was IPv4v6.
Said single-mode terminal is specially the LTE single-mode terminal.Said application IP addresses request is specially attach request or PDP activates request.
Embodiment five
Based on the same or analogous technical conceive of said method embodiment, the embodiment of the invention five provides a kind of network equipment, and is as shown in Figure 7, comprising:
Receiving element 21 is used to receive the application IP addresses request that user terminal sends, and the bearer types that carries said user terminal requests in the said application IP addresses request is IPv4v6;
Acquiring unit 22 is used for obtaining the bearer types that all patterns of the said user terminal that said application IP addresses request carries are supported respectively;
Unit 23 is set, is used for all supporting the IPv4v6 bearer types when all patterns of said user terminal, the bearer types that said user terminal is set is IPv4v6.
Said acquiring unit 22 also is used for: according to the information that the extended field or the scaling option in the protocol configuration option of said application IP addresses request carries, obtain the bearer types that all patterns of said user terminal are supported respectively.Said user terminal is a multimode terminal.
Embodiment six
Based on the same or analogous technical conceive of said method embodiment, the embodiment of the invention six provides a kind of user terminal, and is as shown in Figure 8, comprising:
Acquiring unit 31 is used to obtain the bearer types that each network schemer of self supporting is supported respectively;
Transmitting element 32 is used for sending the application IP addresses request to network side, and when all patterns of said user terminal were all supported the IPv4v6 bearer types, the bearer types that carries in the said application IP addresses request was IPv4v6.Transmitting element 32 also is used for: when said user terminal has the pattern of not supporting the IPv4v6 bearer types, and the common factor of the bearer types that the bearer types that in said application IP addresses request, carries is supported respectively for each network schemer.
Corresponding with the user terminal that the embodiment of the invention six provides, the embodiment of the invention also provides a kind of network equipment, and is as shown in Figure 9, comprising:
Receiving element 41 is used to receive the application IP addresses request that user terminal sends;
Embodiment seven
Based on the same or analogous technical conceive of said method embodiment, the embodiment of the invention seven provides a kind of user terminal, and is shown in figure 10, comprising:
Acquiring unit 51 is used to obtain the bearer types that each network schemer of said user terminal support is supported respectively;
Transmitting element 52 is used for sending the application IP addresses request to network side, carries the bearer types that each network schemer of said user terminal support is supported respectively in the said application IP addresses request.
Said transmitting element 52 also is used for: the bearer types that each network schemer that extended field or the scaling option in the protocol configuration option through said application IP addresses request carries said user terminal support is supported respectively.
In the embodiment of the invention; When user terminal was single-mode terminal, the bearer types that network side is provided with user terminal was IPv4v6, was user terminal distributing IP v4 and IPv6 address; Thereby can make full use of IPv4v6 bearer types distributing IP v4 and IPv6 address, reduce the core net cost.
Through the description of above execution mode, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding; The part that technical scheme of the present invention contributes to prior art in essence in other words can be come out with the embodied of software product; This computer software product is stored in the storage medium; Comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the sketch map of a preferred embodiment, module in the accompanying drawing or flow process might not be that embodiment of the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
More than disclosedly be merely several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (31)
1. the method for an IP address assignment is characterized in that, comprising:
Network side receives the application IP addresses request that user terminal sends, and the bearer types that carries said user terminal requests in the said application IP addresses request is IPv4v6;
When said network side confirmed that according to said application IP addresses request said user terminal is single-mode terminal, the bearer types that said network side is provided with said user terminal was IPv4v6, was said user terminal distributing IP v4 and IPv6 address.
2. the method for claim 1 is characterized in that, when said user terminal was multimode terminal, said method also comprised:
The bearer types that said network side is provided with said user terminal according to the subscription data and the carrier policy of said user terminal is that said user terminal distributes corresponding IP address.
3. the method for claim 1 is characterized in that, when said user terminal was multimode terminal, said network side obtained the bearer types that all patterns of the said user terminal that carries in the said application IP addresses request are supported respectively; If all patterns of said user terminal are all supported the IPv4v6 bearer types, the bearer types that said network side is provided with said user terminal is IPv4v6, is said user terminal distributing IP v4 and IPv6 address.
4. method as claimed in claim 3; It is characterized in that; Said network side obtains the bearer types that all patterns of the said user terminal that carries in the said application IP addresses request support respectively and comprises: said network side is according to the information that the extended field in the said application IP addresses request or the scaling option in the protocol configuration option carry, and obtains the bearer types that all patterns of said user terminal are supported respectively.
5. like claim 2 or 3 described methods; It is characterized in that; Said network side judges according to following manner whether said user terminal is single-mode terminal: said network side obtains the wireless access capability information of the mobile site that carries in the said application IP addresses request, according to the said user terminal that carries in this information the tenability of diverse network pattern is judged whether said user terminal is single-mode terminal.
6. like claim 2 or 3 described methods, it is characterized in that the bearer types that said network side is provided with said user terminal is after the IPv4v6, also comprise: said network side is provided with two stack address bearing marks of said user terminal.
7. like claim 2 or 3 described methods, it is characterized in that the bearer types that said network side is provided with said user terminal is that IPv4v6 also comprises before: said network side confirms that the bearer types that writes down in the subscription data of said user terminal is IPv4v6.
8. the method for claim 1 is characterized in that, said single-mode terminal is specially the LTE single-mode terminal.
9. the method for claim 1 is characterized in that, said application IP addresses request is specially attach request or PDP activates request.
10. the method for an IP address assignment is characterized in that, comprising:
Network side receives the application IP addresses request that user terminal sends, and the bearer types that carries said user terminal requests in the said application IP addresses request is IPv4v6;
Said network side obtains the bearer types that all patterns of the said user terminal that carries in the said application IP addresses request are supported respectively; If all patterns of said user terminal are all supported the IPv4v6 bearer types, the bearer types that said network side is provided with said user terminal is IPv4v6, is said user terminal distributing IP v4 and IPv6 address.
11. method as claimed in claim 10; It is characterized in that; Said network side obtains the bearer types that all patterns of the said user terminal that carries in the said application IP addresses request support respectively and comprises: said network side is according to the information that the extended field in the said application IP addresses request or the scaling option in the protocol configuration option carry, and obtains the bearer types that all patterns of said user terminal are supported respectively.
12. method as claimed in claim 10 is characterized in that, said user terminal is a multimode terminal.
13. the method for an IP address assignment is characterized in that, comprising:
User terminal obtains the bearer types that each network schemer of self supporting is supported respectively;
Said user terminal sends the application IP addresses request to network side, and when all patterns of said user terminal were all supported the IPv4v6 bearer types, the bearer types that carries in the said application IP addresses request was IPv4v6.
14. method as claimed in claim 13; It is characterized in that; When said user terminal had the pattern of not supporting the IPv4v6 bearer types, said user terminal obtained the common factor of the bearer types that each network schemer supports respectively, and the bearer types that carries in the said application IP addresses request is said common factor.
15. like claim 13 or 14 described methods, it is characterized in that, also comprise:
Said network side receives the application IP addresses request that said user terminal sends, and according to the subscription data of said user terminal the bearer types of said user terminal is set, and is that said user terminal distributes corresponding IP address.
16. a network equipment is characterized in that, comprising:
Receiving element is used to receive the application IP addresses request that user terminal sends, and the bearer types that carries said user terminal requests in the said application IP addresses request is IPv4v6;
Judging unit is used to judge whether said user terminal is single-mode terminal;
The unit is set, is used for when said user terminal is single-mode terminal, the bearer types that said user terminal is set is IPv4v6.
17. network equipment as claimed in claim 16 is characterized in that, the said unit that is provided with also is used for: when said user terminal is multimode terminal, and the bearer types that said user terminal is set according to the subscription data and the carrier policy of said user terminal.
18. network equipment as claimed in claim 16; It is characterized in that; Also comprise the type acquiring unit, be used for when said user terminal is multimode terminal, obtain the bearer types that all patterns of the said user terminal that carries in the said application IP addresses request are supported respectively;
The said unit that is provided with also is used for: when all patterns of said user terminal were all supported the IPv4v6 bearer types, the bearer types that said user terminal is set was IPv4v6.
19. network equipment as claimed in claim 18; It is characterized in that; Said type acquiring unit also is used for: according to the information that the extended field or the scaling option in the protocol configuration option of said application IP addresses request carries, obtain the bearer types that all patterns of said user terminal are supported respectively.
20. network equipment as claimed in claim 16; It is characterized in that; Said judging unit also is used for: obtain the wireless access capability information of the mobile site that said application IP addresses request carries, according to the said user terminal that carries in this information the tenability of diverse network pattern is judged whether said user terminal is single-mode terminal.
21., it is characterized in that the said unit that is provided with also is used for like claim 16 or 18 described network equipments: two stack address bearing marks that said user terminal is set.
22., it is characterized in that like each described network equipment of claim 16-18, also comprise signatory acquiring unit, be used for obtaining the bearer types that the subscription data of said user terminal writes down;
The said unit that is provided with also is used for: when the bearer types that writes down when the subscription data of said user terminal was IPv4v6, the bearer types that said user terminal is set was IPv4v6.
23. network equipment as claimed in claim 16 is characterized in that, said single-mode terminal is specially the LTE single-mode terminal.
24. network equipment as claimed in claim 16 is characterized in that, said application IP addresses request is specially attach request or PDP activates request.
25. a network equipment is characterized in that, comprising:
Receiving element is used to receive the application IP addresses request that user terminal sends, and the bearer types that carries said user terminal requests in the said application IP addresses request is IPv4v6;
Acquiring unit is used for obtaining the bearer types that all patterns of the said user terminal that said application IP addresses request carries are supported respectively;
The unit is set, is used for all supporting the IPv4v6 bearer types when all patterns of said user terminal, the bearer types that said user terminal is set is IPv4v6.
26. network equipment as claimed in claim 25; It is characterized in that; Said acquiring unit also is used for: according to the information that the extended field or the scaling option in the protocol configuration option of said application IP addresses request carries, obtain the bearer types that all patterns of said user terminal are supported respectively.
27. network equipment as claimed in claim 25 is characterized in that, said user terminal is a multimode terminal.
28. a user terminal is characterized in that, comprising:
Acquiring unit is used to obtain the bearer types that each network schemer of self supporting is supported respectively;
Transmitting element is used for sending the application IP addresses request to network side, and when all patterns of said user terminal were all supported the IPv4v6 bearer types, the bearer types that carries in the said application IP addresses request was IPv4v6.
29. user terminal as claimed in claim 28 is characterized in that, said transmitting element also is used for:
When said user terminal has the pattern of not supporting the IPv4v6 bearer types, the common factor of the bearer types that the bearer types that in said application IP addresses request, carries is supported respectively for each network schemer.
30. a user terminal is characterized in that, comprising:
Acquiring unit is used to obtain the bearer types that each network schemer of said user terminal support is supported respectively;
Transmitting element is used for sending the application IP addresses request to network side, carries the bearer types that each network schemer of said user terminal support is supported respectively in the said application IP addresses request.
31. user terminal as claimed in claim 30; It is characterized in that said transmitting element also is used for: the bearer types that each network schemer that extended field or the scaling option in the protocol configuration option through said application IP addresses request carries said user terminal support is supported respectively.
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| CN201010549946.5A CN102469176B (en) | 2010-11-18 | 2010-11-18 | Method and equipment for distributing IP (Internet protocol) addresses |
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| CN201010549946.5A CN102469176B (en) | 2010-11-18 | 2010-11-18 | Method and equipment for distributing IP (Internet protocol) addresses |
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