CN103916493B - A kind of IP address section distribution method and device - Google Patents
A kind of IP address section distribution method and device Download PDFInfo
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- CN103916493B CN103916493B CN201410150511.1A CN201410150511A CN103916493B CN 103916493 B CN103916493 B CN 103916493B CN 201410150511 A CN201410150511 A CN 201410150511A CN 103916493 B CN103916493 B CN 103916493B
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Abstract
The invention discloses a kind of IP address section distribution method and device, for the effective IPv4 address fields for solving the problems, such as can directly access for one PDN GW side of UE distribution in the prior art.This method is：Receive the grouped data network PDN connection request that user equipment (UE) is initiated；PDN connection requests are sent to PDN Gateway, and receive the IPv4 addresses segment information for carrying PDN address prefixs that PDN Gateway is fed back based on PDN connection requests, and IPv4 addresses segment information is sent to UE.Using the method for increasing PDN address prefix fields newly in GTPC signalings IE related in NAS signaling, to be embodied as the effective IPv4 address fields that one network side of terminal distribution can be accessed directly, used for the UE and the sub- terminal for belonging to the UE, so as to realize that network side carries out Topology Management or remote operation maintaining to all UE of its subordinate.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of IP address section distribution method and device.
Background technology
In Long Term Evolution（Long Term Evolution, LTE）In system, UE IP address is to be based on packet count at present
According to network（Packet Data Network, PDN）Connect to distribute, i.e., the APN asked according to UE（Access
Point Name, APN）By packet data gateway（PDN Gateway, PDN GW）Network element is distributed by the IP address pond of local,
Or after being obtained by third-party server, such as DHCP（Dynamic Host Configuration
Protocol, DHCP）Server, Diameter server or Radius servers etc., pass through mobility management entity（Mobile
Management Entity, MME）Non-Access Stratum（Non-Access Stratum, NAS）Signaling message is carried to UE, UE's
Two IP address, i.e. an Internet Protocol Version 4 are can have up under one PDN connection（Internet Protocol
Version4, IPv4）Address, an IPv6 address, it is generally the case that only one IP address of needs is for a UE PDN connection
Can.
Because PDN GW are to be connected to PDN different on PDN GW according to PDN APN to distinguish, only when UE is initiated
During another PDN connection request, PDN GW just can the APN based on another PDN again to UE with distributing one or two IP
Location, wherein, each PDN is different to the UE IP address ranges distributed, in a PDN connection of UE requests, UE only can
It is allocated one or two IP address（I.e. with an IPv4 address, an IPv6 address）, you can led to a PDN
Letter.
With the application and popularization of LTE technologies, had been able in wisdom cell and enterprise, public institution whole by client
End equipment（Customer Premise Equipment, CPE）Or wireless router gives one section of each terminal distribution of lower extension
IPv4 addresses, but PDN GW sides can not know that these distribute to the IPv4 addresses that each terminal uses, and also just can not directly visit
Ask this IPv4 address.Therefore, needed to whole network progress Topology Management, remotely for those wisdom cell, production of hydrocarbons etc.
The scene of Operation and Maintenance, the IPv4 addresses for each terminal hung under CPE or wireless router can not be directly accessed in PDNGW sides
When, it can not just realize that Topology Management and remote operation maintaining of whole network etc. are planned.
If what PDN GW were distributed to UE is IPv6 addresses, mono- PDNGW side of UE can be supplied to directly to visit in theory
The IP address section asked, but because current IPv6 network applications are less, height is set, it is necessary to update substantial amounts of network service to be required to UE
It is standby, therefore cost is very high, is difficult to promote in a short time.
Also, under most of scenes, IPv4 addresses meet networking requirement enough, in summary, based on current IP
The technology of location distribution, it can not also be embodied as UE and distribute effective IPv4 address fields that a PDN GW side can directly access.
The content of the invention
The embodiment of the present invention provides a kind of method and device for terminal distribution IP address section, to solve in the prior art
In the presence of that can not be that UE distributes the effective IPv4 address fields that can directly access of a PDN GW side, so as to realize in network
All UE carry out the problem of Topology Management or remote operation maintaining etc..
Concrete scheme provided in an embodiment of the present invention is as follows：
In a first aspect, a kind of IP address section distribution method, this method include：
Receive the grouped data network PDN connection request that user equipment (UE) is initiated；
PDN connection requests are sent to PDN Gateway, and receives PDN Gateway and is carried based on what PDN connection requests fed back
The IPv4 addresses segment information of PDN address prefixs, and IPv4 addresses segment information is sent to UE.
By method provided in an embodiment of the present invention, PDN addresses are increased newly in GTPC signalings IE related in NAS signaling
Prefix field, can be embodied as one network side of terminal distribution for the address number being expressed as during this sub-distribution IPv4 addresses
With the effective IPv4 address fields directly accessed, used for the UE and the sub- terminal for belonging to the UE, so as to realize network side
Topology Management or remote operation maintaining are carried out to all UE of its subordinate.
With reference in a first aspect, in the first possible implementation, receive PDN Gateway and fed back based on PDN connection requests
The IPv4 addresses segment information for carrying PDN address prefixs, and IPv4 addresses segment information is sent to UE, including：
Reception PDN Gateway passes through GPRS Tunnel Protocol chain of command GTPC signallings, based on PDN connection requests feedback
The IPv4 addresses segment information of PDN address prefixs is carried, wherein, PDN address prefixs are used to indicate that PDN Gateway distributes to UE's
The number of IPv4 addresses；
IPv4 addresses segment information is sent to UE by Non-Access Stratum NAS signaling.
With reference to the first possible implementation of first aspect, in second of possible implementation, pass through GTPC
Signaling and NAS signaling transmission IPv4 addresses segment information, including：
The PDN address prefixs included in the segment information of IPv4 addresses are recorded in one increased newly in GTPC signalings and NAS signaling
Individual length is in the field of a byte；Or
The PDN address prefixs included in the segment information of IPv4 addresses are recorded in GTPC signalings and NAS signaling and are used to deposit
In the first byte in the field for the starting ip v4 addresses that storage PDN Gateway distributes to UE.
By this possible embodiment, PDN address prefix fields are arranged on the use in GTPC signalings and NAS signaling
In the first byte in the field for the starting ip v4 addresses that storage PDN Gateway distributes to UE, it is possible to reduce to original signaling
Improve, and signaling can be saved.
With reference to second of possible implementation of first aspect, in the third possible implementation, newly-increased length
The field spent for a byte is located in GTPC signalings and NAS signaling after the field of end.
By this possible embodiment, newly-increased PDN prefix fields are arranged in GTPC signalings and NAS signaling last
After tail field, more preferable forward and backward compatibility can be made it have.
With reference to first aspect and any one above-mentioned possible implementation, in the 4th kind of possible implementation,
IPv4 addresses segment information is sent to UE, including：
UE is distributed into starting ip v4 addresses, and by the instruction of IPv4 addresses segment information, in addition to starting ip v4 addresses
Each IPv4 addresses distribute to the sub- terminal of any one the unallocated IPv4 address for belonging to UE.
Second aspect, a kind of IP address section distributor, the device include：
Receiving unit, for receiving the grouped data network PDN connection request of user equipment (UE) initiation；
Allocation unit, for PDN connection requests to be sent to PDN Gateway, and receive PDN Gateway and be based on PDN connections
The IPv4 addresses segment information for carrying PDN address prefixs of feedback is asked, and IPv4 addresses segment information is sent to UE.
By device provided in an embodiment of the present invention, PDN addresses are increased newly in GTPC signalings IE related in NAS signaling
Prefix field, can be embodied as one network side of terminal distribution for the address number being expressed as during this sub-distribution IPv4 addresses
With the effective IPv4 address fields directly accessed, used for the UE and the sub- terminal for belonging to the UE, so as to realize network side
Topology Management or remote operation maintaining are carried out to all UE of its subordinate.
With reference to second aspect, in the first possible implementation, allocation unit is specifically used for：
Reception PDN Gateway passes through GPRS Tunnel Protocol chain of command GTPC signallings, based on PDN connection requests feedback
The IPv4 addresses segment information of PDN address prefixs is carried, wherein, PDN address prefixs are used to indicate that PDN Gateway distributes to UE's
The number of IPv4 addresses, and sent IPv4 addresses segment information to UE by Non-Access Stratum NAS signaling.
With reference to the first possible implementation of second aspect, in second of possible implementation, address distribution
Unit is specifically used for：
The PDN address prefixs included in the segment information of IPv4 addresses are recorded in one increased newly in GTPC signalings and NAS signaling
Individual length is in the field of a byte；Or the PDN address prefixs included in the segment information of IPv4 addresses are recorded in GTPC signalings
In the first byte being used to store in the field for the starting ip v4 addresses that PDN Gateway distributes to UE in NAS signaling.
By this possible embodiment, PDN address prefix fields are arranged on the use in GTPC signalings and NAS signaling
In the first byte in the field for the starting ip v4 addresses that storage PDN Gateway distributes to UE, it is possible to reduce to original signaling
Improve, and signaling can be saved.
With reference to second of possible implementation of second aspect, in the third possible implementation, newly-increased length
The field spent for a byte is located in GTPC signalings and NAS signaling after the field of end.
By this possible embodiment, newly-increased PDN prefix fields are arranged in GTPC signalings and NAS signaling last
After tail field, more preferable forward and backward compatibility can be made it have.
With reference to second aspect and any one above-mentioned possible implementation, in the 4th kind of possible implementation,
Allocation unit is additionally operable to, and is sent by IPv4 addresses segment information to UE, and starting ip v4 addresses are distributed into UE, and
Distribute to and belong to any one of UE in IPv4 addresses segment information is indicated, each IPv4 addresses in addition to starting ip v4 addresses
The sub- terminal of individual unallocated IPv4 addresses.
The third aspect, a kind of mobility management entity MME equipment, including：
Receiving port, for receiving the grouped data network PDN connection request of user equipment (UE) initiation；
Processor, for PDN connection requests to be sent to PDN Gateway, and it is anti-based on PDN connection requests to receive PDN Gateway
The IPv4 addresses segment information for carrying PDN address prefixs of feedback, and IPv4 addresses segment information is sent to UE.
By equipment provided in an embodiment of the present invention, PDN addresses are increased newly in GTPC signalings IE related in NAS signaling
Prefix field, can be embodied as one network side of terminal distribution for the address number being expressed as during this sub-distribution IPv4 addresses
With the effective IPv4 address fields directly accessed, used for the UE and the sub- terminal for belonging to the UE, so as to realize network side
Topology Management or remote operation maintaining are carried out to all UE of its subordinate.
With reference to the third aspect, in the first possible implementation, processor is specifically used for：
Reception PDN Gateway passes through GPRS Tunnel Protocol chain of command GTPC signallings, based on PDN connection requests feedback
The IPv4 addresses segment information of PDN address prefixs is carried, wherein, PDN address prefixs are used to indicate that PDN Gateway distributes to UE's
The number of IPv4 addresses, and sent IPv4 addresses segment information to UE by Non-Access Stratum NAS signaling.
With reference to the first possible implementation of the third aspect, in second of possible implementation, utensil is handled
Body is used for：
The PDN address prefixs included in the segment information of IPv4 addresses are recorded in one increased newly in GTPC signalings and NAS signaling
Individual length is in the field of a byte；Or the PDN address prefixs included in the segment information of IPv4 addresses are recorded in GTPC signalings
In the first byte being used to store in the field for the starting ip v4 addresses that PDN Gateway distributes to UE in NAS signaling.
By this possible embodiment, PDN address prefix fields are arranged on the use in GTPC signalings and NAS signaling
In the first byte in the field for the starting ip v4 addresses that storage PDN Gateway distributes to UE, it is possible to reduce to original signaling
Improve, and signaling can be saved.
With reference to second of possible implementation of the third aspect, in the third possible implementation, newly-increased length
The field spent for a byte is located in GTPC signalings and NAS signaling after the field of end.
By this possible embodiment, newly-increased PDN prefix fields are arranged in GTPC signalings and NAS signaling last
After tail field, more preferable forward and backward compatibility can be made it have.
With reference to the third aspect and any one above-mentioned possible implementation, in the 4th kind of possible implementation,
Processor is additionally operable to, and is sent by IPv4 addresses segment information to UE, and starting ip v4 addresses are distributed into UE, and by IPv4
The instruction of address segment information, each IPv4 addresses in addition to starting ip v4 addresses distribute to and belong to any one of UE and do not divide
Sub- terminal with IPv4 addresses.
Brief description of the drawings
Fig. 1 is the flow chart of the IP address section distribution method in the embodiment of the present invention；
Fig. 2 is the structure chart of the IP address section distributor in the embodiment of the present invention；
Fig. 3 is the structure chart of the mobility management entity MME equipment in the embodiment of the present invention.
Embodiment
In order to provide a kind of IP that can be directly accessed for one PDN GW side of UE distributionv4 address fields, so as to realize network
Side carries out the implementation of Topology Management or remote operation maintaining to all UE of its subordinate, and the embodiments of the invention provide one kind
IP address section distribution method and device, can be by extending the information element in related signalling messages（Information
Element, IE）, increase PDN address prefixs newly（PDN Address Prefix）The mode of field is UE and belongs to the UE's
The IPv4 address fields that sub- one section of network side of terminal distribution can be accessed directly.Below in conjunction with Figure of description to the preferred of the present invention
Embodiment illustrates.
As shown in fig.1, the idiographic flow of IP address section distribution method is as follows：
Step 100：MME receives the grouped data network PDN connection request that user equipment (UE) is initiated；
Step 110：MME sends PDN connection requests to PDN Gateway, and it is anti-based on PDN connection requests to receive PDN Gateway
The IPv4 addresses segment information for carrying PDN address prefixs of feedback, and IPv4 addresses segment information is sent to UE.
Specifically, in step 110, MME receives PDN Gateway and passes through GPRS Tunnel Protocol chain of command（GRPS
Tunnelling Protocol for Control plane, GTPC）Signalling, taking based on PDN connection requests feedback
IPv4 addresses segment information with PDN address prefixs；And IPv4 addresses segment information is sent to UE by NAS signaling.Wherein, should
PDN address prefixs are used to indicate that PDN Gateway distributes to the number of UE IPv4 addresses, and above-mentioned IPv4 addresses segment information is used to indicate
The information related to IP address distribution in GTPC signalings and NAS signaling.
When transmitting IPv4 address segment informations by GTPC signalings and NAS signaling, the PDN that will be included in the segment information of IPv4 addresses
Address prefix is recorded in the length increased newly in GTPC signalings and NAS signaling as in the field of a byte；Or by IPv4
The PDN address prefixs included in the segment information of location are recorded in GTPC signalings and NAS signaling and distribute to UE for storing PDN Gateway
Starting ip v4 addresses field in the first byte in.
First GTPC signaling messages are introduced in following examples.It is related to IP address assigning process in GTPC signalings
Message name is establishment conversational response（Create Session Response）Message, and it is related to IP address distribution information
IE be PDN addresses distribution（PDN Address Allocation, PAA）, the PAA is Create Session Response
An IE in message, table 1 are the message format of Create Session Response message, and the PAA wherein included,
The part that overstriking is illustrated in as following message format：
Table 1
In the embodiment of the present invention, the definition for increasing the PAA of PDN address prefixs has following two ways, and the first will
The PDN address prefixs included in the segment information of IPv4 addresses are recorded in the field that the length increased newly in GTPC signalings is a byte
In, byte n+5 is which increased as PDN address prefix fields（That is the part of overstriking signal）, definition is as shown in table 2：
Table 2
In PDN types（PDN Type）When being designated as IPv4 types, PDN Address and Prefix fields take word
Section 6 is to byte 9, for depositing an IPv4 address.Preferably, the length increased newly in the embodiment of the present invention is the PDN of a byte
Address prefix field is in PAA after end field PDN Address andPrefix, i.e. byte n+5, but the embodiment of the present invention
The position of middle new field is not limited only in PAA after end field PDN Address and Prefix, by added word
It is to be based on disappearing to existing PAA IE that the position of section, which is arranged in PAA IE after end field PDN Address and Prefix,
The consideration of the forward and backward compatibility of breath.Arranged according to the related protocol of GTPC signalings and NAS signaling, if recipient is according to IE lattice
Formula is resolved to the field that can not correctly identify, then can skip, that is, ignores and parse the field, and therefore, newly-increased field is set
In end field, for the network element and terminal of the upgrading of no agreement, when it parses IE, any influence will not be produced.
In order to save GTPC signalings, the change to GTPC signalings is reduced, second of definition mode can also be used, will
The PDN address prefixs included in the segment information of IPv4 addresses are recorded in GTPC signalings and distribute to UE's for storing PDN Gateway
In the first byte in the field of starting ip v4 addresses, it adds a word in PDNAddress and Prefix fields
Section, wherein, the first byte is used to record PDN address prefixs（That is the part of overstriking signal）, other bytes（That is byte 7 is to byte n
+5）Storage PDN Gateway distributes to UE starting ip v4 addresses PDN Address and Prefix, and definition is as shown in table 3：
Table 3
When PDN Type are designated as IPv4 types, PDN Address and Prefix and PDN address prefix shared one
Individual field, 5 bytes are taken, wherein, first character is saved to deposit PDN address prefixs, namely mask digit, follow-up four words
Save to deposit an IPv4 address.If for example, to be that UE distributes 192.168.20.1 a to 192.168.20.31
IPv4 address fields, then first character section in the shared field of PDN Address and Prefix and PDN address prefix is set
For 27, follow-up four bytes are arranged to 192.168.20.1.
Following examples will be described in detail to the modification of NAS signaling.
The message name related to IP address assigning process carries up and down for activation acquiescence evolved packet system in NAS signaling
Text request（Activate default EPS bearer context request）Message, and distribute information with IP address
Related IE is PDN addresses（PDN Address）, the PDN addresses are Activatedefault EPS bearer context
An IE in request message, table 4 are Activate default EPS bearer context request message
Message format, and the PDN addresses wherein included, the part that overstriking is illustrated in as following message format：
Table 4
Wherein, in the embodiment of the present invention, the definition for increasing the PDN address of PDN address prefixs has following two ways,
It is one that the PDN address prefixs included in the segment information of IPv4 addresses are recorded in the length increased newly in NAS signaling by the first
In the field of byte, which increase byte 16 and be used as PDN address prefix fields（That is the part of overstriking signal）, define such as the institute of table 5
Show：
Table 5
In PDN types values（PDN Type value）When being designated as IPv4 types, PDN address informations（PDN Address
information）Field takes byte 4 to byte 7, for depositing an IPv4 address.It is preferably, new in the embodiment of the present invention
The length of increasing for a byte PDN address prefix fields in PDN Address end field PDN address
After information, i.e. byte 16, but the position of new field is not limited only in PDN in the embodiment of the present invention
In Address after end field PDN address information, with the position of new field is arranged in PAA IE
The reason for identical after the field PDN Address and Prefix of end, in NAS signaling the setting of PDN address prefixs position be
Consideration based on the forward and backward compatibility to existing PDN Address message.
In order to save NAS signaling, the change to NAS signaling is reduced, second of definition mode can also be used, i.e., by IPv4
The PDN address prefixs included in the segment information of address be recorded in NAS signaling be used for store the starting that PDN Gateway distributes to UE
In the first byte in the field of IPv4 addresses, it adds a byte in PDNaddress information fields,
Wherein, the first byte is used to record PDN address prefixs（That is the part of overstriking signal）, other bytes（That is byte 5 is to byte 8）Deposit
Storage PDN Gateway distributes to UE starting ip v4 addresses PDN address information, and definition is as shown in table 6：
Table 6
When PDN Type value are designated as IPv4 types, PDN address information and PDN address prefixs
A field is shared, takes 5 bytes, wherein, first character is saved to deposit PDN address prefixs, namely mask digit, subsequently
Four bytes are used for depositing an IPv4 address.If for example, to be that one 192.168.20.1 of UE distribution is arrived
192.168.20.31 IPv4 address fields, the then field shared PDN address information and PDN address prefix
Middle first character section is arranged to 27, and follow-up four bytes are arranged to 192.168.20.1.If need not be that UE distributes IPv4 addresses
Section, i.e., an IPv4 address only is distributed for UE, then the value of PDN address prefixs is arranged to 0.
By it is above-mentioned be that IE in two signalings has increased a field newly, as PDN address prefixs, then believed by GTPC
In the PDN address information included in the PDN Address and Prefix and NAS signaling that are included in order
Indicated specific IPv4 addresses, MME and UE can obtain the IPv4 address fields that PDN GW are UE distribution.Pin of the embodiment of the present invention
To be that the situation of IPv4 address fields distribution designs, therefore, the PDN address prefix fields are only IPv4 classes in PDN Type
Exist during type.
MME sends IPv4 addresses segment information to UE, and starting ip v4 addresses are distributed into UE, and by IPv4 addresses
Segment information instruction, each IPv4 addresses in addition to starting ip v4 addresses distribute to belong to UE any one is unallocated
The sub- terminal of IPv4 addresses.
For example, what is indicated in PDN address information and PDN Address and Prefix divides for UE
The IPv4 addresses matched somebody with somebody are 192.168.20.1, when PDN address prefixs are 27, then can be represented to UE be assigned with
192.168.20.1 IPv4 address fields that be starting ip v4 addresses, that length is 31, i.e., from 192.168.20.1 to
192.168.20.31.The computing of mask is directed to, when mask 32bits, PDN address prefix are 27, i.e., is covered for expression
Code is 27bits, therefore, has 27 bit words to be retained, and remaining 5 bit word is used to represent 25Individual IPv4 addresses, wherein code word are
Full 0 does not count, and therefore, the effective IPv4 addresses of the sub-distribution are 31.Above-mentioned starting ip v4 addresses represent PDN
The IPv4 addresses that GW is distributed by the PDN connections that UE is initiated, remaining IPv4 address can be used for the sub- terminal for belonging to the UE
Distribution and use.
Based on same inventive concept, the IP address section distribution method provided according to the above embodiment of the present invention, correspondingly, this
Invent another embodiment and additionally provide a kind of IP address section distributor, the structural representation of the device is as shown in Fig. 2 specific bag
Include：
Receiving unit 200, for receiving the grouped data network PDN connection request of user equipment (UE) initiation；
Allocation unit 210, for PDN connection requests to be sent to PDN Gateway, and receive PDN Gateway and connected based on PDN
The IPv4 addresses segment information for carrying PDN address prefixs of request feedback is connect, and IPv4 addresses segment information is sent to UE.
Allocation unit 210 is specifically used for：Receive PDN Gateway and pass through GPRS Tunnel Protocol chain of command GTPC signallings
, based on PDN connection requests feedback the IPv4 addresses segment information for carrying PDN address prefixs, wherein, PDN address prefixs use
The number of UE IPv4 addresses is distributed in instruction PDN Gateway, and is sent out IPv4 addresses segment information by Non-Access Stratum NAS signaling
Deliver to UE.
Allocation unit 210 is specifically used for：The PDN address prefixs included in the segment information of IPv4 addresses are recorded in GTPC
The length increased newly in signaling and NAS signaling is in the field of a byte；Or it will include in the segment information of IPv4 addresses
PDN address prefixs, which are recorded in GTPC signalings and NAS signaling, is used to store the starting ip v4 addresses that PDN Gateway distributes to UE
In the first byte in field.
Newly-increased length is located in GTPC signalings and NAS signaling after the field of end for the field of a byte.
Allocation unit 210 is additionally operable to, and is sent by IPv4 addresses segment information to UE, by starting ip v4 addresses point
Dispensing UE, and by IPv4 addresses segment information instruction, each IPv4 addresses in addition to starting ip v4 addresses distribute to ownership
Sub- terminal in UE any one unallocated IPv4 address.
Based on same inventive concept, the IP address section distribution method provided according to the above embodiment of the present invention, correspondingly, this
Invent another embodiment and additionally provide a kind of mobility management entity MME equipment, the structural representation of the equipment as shown in figure 3,
Specifically include：
Receiving port 300, for receiving the grouped data network PDN connection request of user equipment (UE) initiation；
Processor 310, PDN connection requests are sent to PDN Gateway, and receive PDN Gateway and fed back based on PDN connection requests
The IPv4 addresses segment information for carrying PDN address prefixs, and IPv4 addresses segment information is sent to UE.
Processor 310 is specifically used for：Receive PDN Gateway and pass through GPRS Tunnel Protocol chain of command GTPC signallings, base
In the IPv4 addresses segment information for carrying PDN address prefixs of PDN connection requests feedback, wherein, PDN address prefixs are used to indicate
PDN Gateway distributes to the number of UE IPv4 addresses, and by Non-Access Stratum NAS signaling by IPv4 addresses segment information send to
UE。
Processor 310 is specifically used for：By the PDN address prefixs included in the segment information of IPv4 addresses be recorded in GTPC signalings and
The length increased newly in NAS signaling is in the field of a byte；Or the PDN addresses that will be included in the segment information of IPv4 addresses
Prefix, which is recorded in GTPC signalings and NAS signaling, to be used to store in the field of starting ip v4 addresses that PDN Gateway distributes to UE
The first byte in.
Newly-increased length is located in GTPC signalings and NAS signaling after the field of end for the field of a byte.
Processor 310 is additionally operable to, and is sent by IPv4 addresses segment information to UE, and starting ip v4 addresses are distributed to
UE, and by the instruction of IPv4 addresses segment information, each IPv4 addresses in addition to starting ip v4 addresses distribute to and belong to UE
Any one unallocated IPv4 address sub- terminal.
In summary, scheme provided in an embodiment of the present invention, by new in GTPC signalings IE related in NAS signaling
Increase PDN address prefix fields, for the address number being expressed as during this sub-distribution IPv4 addresses, to be embodied as terminal distribution one
The effective IPv4 address fields that network side can be accessed directly, used for the UE and the sub- terminal for belonging to the UE, so as to real
Existing network side carries out Topology Management or remote operation maintaining to all UE of its subordinate；Preferably, PDN address prefix fields are set
Put first in the field for being used to store the starting ip v4 addresses that PDN Gateway distributes to UE in GTPC signalings and NAS signaling
In byte, it is possible to reduce the improvement to original signaling, and signaling can be saved；On the other hand, by newly-increased PDN prefix fields
It is arranged in GTPC signalings and NAS signaling after the field of end, more preferable forward and backward compatibility can be made it have.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (12)
1. a kind of IP address section distribution method, it is characterised in that methods described includes：
Receive the grouped data network PDN connection request that user equipment (UE) is initiated；
The PDN connection requests are sent to PDN Gateway, and receive the carrying that PDN Gateway is fed back based on the PDN connection requests
There is the IPv4 addresses segment information of PDN address prefixs, and IPv4 addresses segment information is sent to UE, and by the starting of the UE
IPv4 distributes to address the UE, and by the instruction of IPv4 addresses segment information, in addition to the starting ip v4 addresses
Distribute to the sub- terminal for any one the unallocated IPv4 address for belonging to the UE in each IPv4 addresses.
2. the method as described in claim 1, it is characterised in that receive PDN Gateway and taken based on what the PDN connection requests fed back
IPv4 addresses segment information with PDN address prefixs, and IPv4 addresses segment information is sent to UE, including：
Reception PDN Gateway passes through GPRS Tunnel Protocol chain of command GTPC signallings, based on PDN connection requests feedback
The IPv4 addresses segment information of PDN address prefixs is carried, wherein, the PDN address prefixs are used to indicate that PDN Gateway distributes to UE
IPv4 addresses number；
IPv4 addresses segment information is sent to the UE by Non-Access Stratum NAS signaling.
3. method as claimed in claim 2, it is characterised in that by described in the GTPC signalings and NAS signaling transmission
IPv4 addresses segment information, including：
The PDN address prefixs included in the segment information of the IPv4 addresses are recorded in the GTPC signalings and NAS letters
The length increased newly in order is in the field of a byte；Or
The PDN address prefixs included in the segment information of the IPv4 addresses are recorded in the GTPC signalings and NAS letters
In the first byte being used to store in the field for the starting ip v4 addresses that the PDN Gateway distributes to the UE in order.
4. method as claimed in claim 3, it is characterised in that the newly-increased length is located at described for the field of a byte
In GTPC signalings and the NAS signaling after the field of end.
5. a kind of IP address section distributor, it is characterised in that described device includes：
Receiving unit, for receiving the grouped data network PDN connection request of user equipment (UE) initiation；
Allocation unit, for the PDN connection requests to be sent to PDN Gateway, and receive PDN Gateway and be based on the PDN
Connection request feedback the IPv4 addresses segment information for carrying PDN address prefixs, and by IPv4 addresses segment information send to
UE, and the UE is distributed into the starting ip v4 addresses of the UE, and by the instruction of IPv4 addresses segment information, except described
Distribute to the son for any one the unallocated IPv4 address for belonging to the UE in each IPv4 addresses outside starting ip v4 addresses
Terminal.
6. device as claimed in claim 5, it is characterised in that the allocation unit is specifically used for：
Reception PDN Gateway passes through GPRS Tunnel Protocol chain of command GTPC signallings, based on PDN connection requests feedback
The IPv4 addresses segment information of PDN address prefixs is carried, wherein, the PDN address prefixs are used to indicate that PDN Gateway distributes to UE
IPv4 addresses number, and IPv4 addresses segment information is sent to the UE by Non-Access Stratum NAS signaling.
7. device as claimed in claim 6, it is characterised in that the allocation unit is specifically used for：
The PDN address prefixs included in the segment information of the IPv4 addresses are recorded in the GTPC signalings and NAS letters
The length increased newly in order is in the field of a byte；Or by the PDN included in the segment information of the IPv4 addresses
The PDN Gateway that is used to store that location prefix is recorded in the GTPC signalings and the NAS signaling distributes to rising for the UE
Beginning IPv4 address field in the first byte in.
8. device as claimed in claim 7, it is characterised in that the newly-increased length is located at described for the field of a byte
In GTPC signalings and the NAS signaling after the field of end.
A kind of 9. mobility management entity MME equipment, it is characterised in that including：
Receiving port, for receiving the grouped data network PDN connection request of user equipment (UE) initiation；
Processor, for the PDN connection requests to be sent to PDN Gateway, and receive PDN Gateway and asked based on the PDN connections
Negate the IPv4 addresses segment information for carrying PDN address prefixs of feedback, and IPv4 addresses segment information is sent to UE, and will
The UE is distributed in the starting ip v4 addresses of the UE, and by the instruction of IPv4 addresses segment information, except the starting
Distribute to the sub- terminal for any one the unallocated IPv4 address for belonging to the UE in each IPv4 addresses outside IPv4 addresses.
10. equipment as claimed in claim 9, it is characterised in that the processor is specifically used for：
Reception PDN Gateway passes through GPRS Tunnel Protocol chain of command GTPC signallings, based on PDN connection requests feedback
The IPv4 addresses segment information of PDN address prefixs is carried, wherein, the PDN address prefixs are used to indicate that PDN Gateway distributes to UE
IPv4 addresses number, and IPv4 addresses segment information is sent to the UE by Non-Access Stratum NAS signaling.
11. equipment as claimed in claim 10, it is characterised in that the processor is specifically used for：
The PDN address prefixs included in the segment information of the IPv4 addresses are recorded in the GTPC signalings and NAS letters
The length increased newly in order is in the field of a byte；Or by the PDN included in the segment information of the IPv4 addresses
The PDN Gateway that is used to store that location prefix is recorded in the GTPC signalings and the NAS signaling distributes to rising for the UE
Beginning IPv4 address field in the first byte in.
12. equipment as claimed in claim 11, it is characterised in that the newly-increased length is located at described for the field of a byte
In GTPC signalings and the NAS signaling after the field of end.
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| CN201410150511.1A CN103916493B (en) | 2014-04-15 | 2014-04-15 | A kind of IP address section distribution method and device |
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| CN103916493B true CN103916493B (en) | 2017-12-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104394525A (en) * | 2014-11-17 | 2015-03-04 | 大唐移动通信设备有限公司 | IP (Internet Protocol) address assignment and obtaining method and device |
| CN108337674B (en) * | 2015-07-14 | 2019-07-12 | 华为技术有限公司 | A kind of method, apparatus and network system of IP address distribution |
| CN106454809A (en) * | 2016-09-29 | 2017-02-22 | 武汉虹信通信技术有限责任公司 | Routing behind mobile station method for LTE (Long Term Evolution) system |
| CN107181830B (en) * | 2017-03-31 | 2019-07-12 | 北京奇艺世纪科技有限公司 | A kind of method and device obtaining targeted website data information |
| CN109089295A (en) * | 2018-08-10 | 2018-12-25 | 武汉虹信通信技术有限责任公司 | A kind of two-way communication of the more lower computer systems of LTE |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101873582A (en) * | 2009-04-23 | 2010-10-27 | 大唐移动通信设备有限公司 | IP (Internet Protocol) address allocation method and system |
| CN102238241A (en) * | 2010-04-26 | 2011-11-09 | 中兴通讯股份有限公司 | Application method, device and system for prolonging prefix |
| WO2013066330A1 (en) * | 2011-11-03 | 2013-05-10 | Nokia Siemens Networks Oy | Deferred ipv4 support during an eps bearer activation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895458B (en) * | 2009-05-18 | 2013-05-15 | 电信科学技术研究院 | Method and system for releasing packet data network connection, and data gateway |
-
2014
- 2014-04-15 CN CN201410150511.1A patent/CN103916493B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101873582A (en) * | 2009-04-23 | 2010-10-27 | 大唐移动通信设备有限公司 | IP (Internet Protocol) address allocation method and system |
| CN102238241A (en) * | 2010-04-26 | 2011-11-09 | 中兴通讯股份有限公司 | Application method, device and system for prolonging prefix |
| WO2013066330A1 (en) * | 2011-11-03 | 2013-05-10 | Nokia Siemens Networks Oy | Deferred ipv4 support during an eps bearer activation |
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