CN101136946A - Base station IP address assignment system and method, base station, access service network gateway - Google Patents
Base station IP address assignment system and method, base station, access service network gateway Download PDFInfo
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- CN101136946A CN101136946A CNA2006100373996A CN200610037399A CN101136946A CN 101136946 A CN101136946 A CN 101136946A CN A2006100373996 A CNA2006100373996 A CN A2006100373996A CN 200610037399 A CN200610037399 A CN 200610037399A CN 101136946 A CN101136946 A CN 101136946A
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Abstract
The base station IP address allocation system includes the base station (BS), the access service network gateway (ASNG), and the address allocation server (AAS). Communication between BS and AAS is through address allocation protocol. Thus, BS can obtain IP address automatically so that workload of manual allocation can be omitted. Taking part in procedure of BS IP address allocation method, ASNG as relay proxy of AAS obtains coincidence relation between BS ID and IP address automatically so as to omit workload of manual allocation. The invention reduces complexity of maintenance work, and raises adaptability of network.
Description
Technical field
(Worldwide Interoperability for MicrowaveAccess, Wimax) technical field relates to a kind of base station IP address assignment system and method, base station, access service network gateway particularly to the present invention relates to micro-wave access to global intercommunication.
Background technology
Wimax is a wireless MAN access technology, and its maximum transfer speed 75Mbit/ second, signal transmission radius reaches 50 kilometers, can cover outskirts of a town basically.Because this long-distance transmissions characteristic, Wimax will be not only the technology that solves wireless access, can also insert the wireless extensions of (Cable, DSL) as cable network, realize that easily backwoodsman network connects.Have broad application prospects.
Fig. 1 is existing Wimax network reference model, the Wimax network is by access service network (AccessService Network, ASN) and connectivity serving network (Connectivity Service Network, CSN) form, ASN and CSN are by Network Access Provider (Network Access Provider, NAP) management.Here R1, R2, R3, R4, R5 represent the interface of cellular logic inter-entity.
Fig. 2 is the reference model of existing ASN network, it comprise the base station (Base Station, BS) and access service network gateway (Access Service Network Gateway, ASN-GW) two logic entities.BS and ASN-GW have an IP address respectively, and both are based on the IP protocol communication.But BS identifies with base station identity sign (BS ID), and BS ID is the globally unique sign of BS.When ASN-GW need be when BS sends message, ASN-GW need find the IP address of BS by the corresponding relation of inquiry BS ID and IP, finishes message and sends.
Therefore, during the network planning, must distribute the BS IP of BS.In the prior art, be the IP address of each BS of manual configuration when beginning.In addition, ASN-GW also needs to know the corresponding relation of BS ID and BS IP, therefore simultaneously must be on ASN-GW the corresponding relation of manual configuration BS ID and BS IP.So just cause plant maintenance personnel's configuration effort amount big, make mistakes easily.And when BS moves, must change the configuration of BS ID and BS IP again by hand, not only increase work of maintenance personnel, and made the adaptivity of network poor.
Summary of the invention
Technical problem to be solved by this invention is, a kind of base station IP address assignment system is provided, and can allow the base station obtain the IP address automatically, eliminates the big workload of bringing owing to manual configuration; And can make access service network gateway obtain the identify label of base station and the corresponding relation of its IP address automatically, avoid the big workload and the maintenance that bring owing to manual configuration.
In order to solve the problems of the technologies described above, the present invention proposes a kind of base station IP address assignment system, be used for being base station assigns IP address at access service network, it includes at least one base station and address allocation server, wherein:
Described each base station is used for obtaining an IP address to described address allocation server request;
Described address allocation server communicates based on the address assignment agreement with described base station, is used to receive the request of described base station and is IP address of this base station assigns.
Wherein, described base station comprises detecting unit, control unit, selected cell, IP Address requests unit, wherein:
Described detecting unit is used for base stations detected and restarts incident, notice control unit after detecting the base station and restarting;
Described control unit, be used for after receiving the notice of detecting unit, issuing the transmission order to selected cell, and the address allocation server address that selected cell is sended over and the IP address of distributing to the base station send to IP Address requests unit, simultaneously IP Address requests unit issued the order that sends the IP address request;
Described selected cell sends addressed messages according to the transmission order of control unit to address allocation server, and the server address that address allocation server is returned and the IP address of distributing to the base station send to control unit;
Described IP Address requests unit is used for sending the IP address request according to the order of control unit to address allocation server, and receives the response message that described address allocation server returns.
Wherein, this base station IP address assignment system also comprises access service network gateway, and described access service network gateway comprises relaying retransmission unit, identification of base stations unit, control unit, memory cell, wherein:
Described relaying retransmission unit is used to receive addressed messages that the base station sends or IP address request and transmits to address allocation server according to the order of control unit, and the permission returned of receiver address distribution server simultaneously or response message are also transmitted to the base station;
Described identification of base stations unit is used for extracting attribute information from the addressed messages that the relaying retransmission unit receives, and judges whether the message into the base station transmission, and notifies control unit when judgement is the message of base station transmission; And be used for identification information that the permission that receives from the relaying retransmission unit or response message extract the base station and the IP address information of distributing to it, and described identification information and IP address information are sent to memory cell;
Described control unit is used for transmitting described addressed messages according to the described notice control relaying retransmission unit of identification of base stations unit to the corresponding address distribution server;
Described memory cell is used to store from the identify label of the described base station of identification of base stations unit and distributes to its IP address and the corresponding relation between the two.
Wherein, described relaying retransmission unit if find that address allocation server returns error message, is then notified control unit after transmitting the IP address request; Described control unit reports the identify label of the described base station that extracts according to described notification command identification of base stations unit, and memory cell is issued delete command, deletes the identify label and the corresponding relation of distributing to its IP address of described base station.
Wherein, described address allocation server is a Dynamic Host Configuration Protocol server, and described address assignment agreement should be DHCP mutually; Or
Described address allocation server is a bootstrap protocol server, and described address assignment agreement should be boot protocol mutually.
The present invention also provides a kind of base station, is used for obtaining the IP address automatically when access service network communicates with address allocation server, and it comprises detecting unit, control unit, selected cell, IP Address requests unit, wherein:
Described detecting unit is used for base stations detected and restarts incident, notice control unit after detecting the base station and restarting;
Described control unit, be used for after receiving the notice of detecting unit, issuing the transmission order to selected cell, and the address allocation server address that selected cell is sended over and the IP address of distributing to the base station send to IP Address requests unit, simultaneously IP Address requests unit issued the order that sends the IP address request;
Described selected cell sends addressed messages according to the transmission order of control unit to address allocation server, and the server address that address allocation server is returned and the IP address of distributing to the base station send to control unit;
Described IP Address requests unit is used for sending the IP address request according to the order of control unit to address allocation server, and receives the response message that described address allocation server returns.
Wherein, described address allocation server is Dynamic Host Configuration Protocol server or bootstrap protocol server.
The present invention also provides a kind of access service network gateway, is used in access service network link address distribution server and base station, makes the base station obtain the IP address automatically, and it comprises relaying retransmission unit, identification of base stations unit, control unit, memory cell, wherein:
Described relaying retransmission unit is used to receive addressed messages that the base station sends or IP address request and transmits to address allocation server according to the order of control unit, and the permission returned of receiver address distribution server simultaneously or response message are also transmitted to the base station;
Described identification of base stations unit is used for extracting attribute information from the addressed messages that the relaying retransmission unit receives, and judges whether the message into the base station transmission, and notifies control unit when judgement is the message of base station transmission; And be used for identification information that the permission that receives from the relaying retransmission unit or response message extract the base station and the IP address information of distributing to it, and described identification information and IP address information are sent to memory cell;
Described control unit is used for transmitting described addressed messages according to the described notice control relaying retransmission unit of identification of base stations unit to the corresponding address distribution server;
Described memory cell is used to store from the identify label of the described base station of identification of base stations unit and distributes to its IP address and the corresponding relation between the two.
Wherein, described relaying retransmission unit if find that address allocation server returns error message, is then notified control unit after transmitting the IP address request; Described control unit reports the identify label of the described base station that extracts according to described notification command identification of base stations unit, and memory cell is issued delete command, deletes the identify label and the corresponding relation of distributing to its IP address of described base station.
Wherein, described address allocation server is Dynamic Host Configuration Protocol server or bootstrap protocol server.
Correspondingly, the invention provides a kind of base station IP address assignment method, be used for being base station assigns IP address at the base station IP address assignment system of being made up of base station, access service network gateway and address allocation server, it comprises:
The base station is to sending addressed messages as the access service network gateway of relay agent, and is that the attribute information of the message that sends of base station and the identification information of base station are carried in the described message packet with expression;
Access service network gateway is judged as the message that the base station sends according to described attribute information, sends described addressed messages to the corresponding address distribution server;
Described address allocation server returns grant message by access service network gateway to the base station, comprises the identify label of address allocation server address, base station and distributes to the IP address of base station;
The base station sends the IP address request by access service network gateway to described address allocation server, comprise expression and be the message that the base station sends attribute information, address allocation server address, base station identify label and distribute to the IP address of base station;
Address allocation server sends response message by access service network gateway to the base station, comprises the identify label of address allocation server address, base station and distributes to the IP address of base station.
Wherein, described expression is that the attribute information of the message that sends of base station and the identification information of described base station are carried in the optional spreading parameter field of message packet.
Wherein, access service network gateway is being transmitted grant message, is being transmitted the IP address request or when response message is transmitted in the base station, write down the identify label of base station and the corresponding relation of its IP address to address allocation server to the base station.
Wherein, if address allocation server is received the error message of returning after the IP address request that is, then the access service network gateway deletion identifies the following record that conforms to described base station identity:
Access service network gateway is when grant message is transmitted in the base station or at the identify label of the base station of writing down when address allocation server is transmitted the IP address request and the corresponding relation of its IP address.
Wherein, described address allocation server is Dynamic Host Configuration Protocol server or bootstrap protocol server.
Wherein, when the address distribution server was Dynamic Host Configuration Protocol server, described optional spreading parameter field was the option field; When the address distribution server was bootstrap protocol server, described optional spreading parameter was the vend field.
Implement the present invention, have following beneficial effect:
The present invention is by a kind of base station IP address assignment system and method thereof, base station, access service network gateway, improvement has been done in base station and access service network gateway, and introduced address allocation server, communicate by the address assignment agreement between base station and the address allocation server, make the base station can obtain the IP address automatically, save the workload of manual configuration; Simultaneously, access service network gateway is as the relay agent of address allocation server, in the process that participates in base station IP address assignment method, obtain the corresponding relation between base station identity sign and its IP address automatically, save the workload of manual configuration, reduce the complexity of maintenance work, improved the adaptivity of network.
Description of drawings
Fig. 1 is the reference model schematic diagram of Wimax network in the prior art;
Fig. 2 is the reference model schematic diagram of ASN network in the prior art;
Fig. 3 is the composition schematic diagram of base station IP address assignment system among the present invention;
Fig. 4 is that the functional module of base station among the present invention is formed schematic diagram;
Fig. 5 is that the functional module of access service network gateway among the present invention is formed schematic diagram;
Fig. 6 is the schematic flow sheet of IP address assignment method in base station among the present invention;
Fig. 7 is the message format of DHCP agreement among the present invention;
Fig. 8 is the first embodiment schematic diagram of IP address assignment method among the present invention;
Fig. 9 is the message format of BootP agreement among the present invention;
Figure 10 is the second embodiment schematic diagram of IP address assignment method among the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further in detail clearly explanation.
Fig. 3 shows the composition schematic diagram of base station IP address assignment system among the present invention, and it includes base station 1 and address allocation server 2.Each base station is used for obtaining an IP address as the client of described address allocation server to described address allocation server request; Address allocation server 2 communicates based on the address assignment agreement with base station 1, is used to receive the request of base station 1 and distributes an IP address to give base station 1 automatically, and no longer be its IP address of manual configuration.
In addition, for making ASN-GW can obtain the corresponding relation of base station IDs and IP automatically, this base station IP address assignment system also includes access service network gateway (ASN-GW) 3, it is as the relay agent of address allocation server 2, connect base station 1 and address allocation server 2 to realize communicating by letter between the two, it obtains the corresponding relation of base station IDs and IP automatically by participating in the process of base station IP address assignment.
Fig. 4 shows the functional module of the base station in this base station IP address assignment system and forms schematic diagram, and it includes detecting unit 11, selected cell 12, IP Address requests unit 13 and control unit 14.Detecting unit 11 is used for base stations detected and restarts incident, notice control unit 14 after detecting the base station and restarting.Selected cell 12 is used for sending addressed messages according to the transmission order of control unit 14 to address allocation server, and the server address that address allocation server is returned and the IP address of distributing to the base station send to control unit 14.IP Address requests unit 13 is used for sending the IP address request according to the order of control unit 14 to address allocation server, and the response message returned of receiver address distribution server.Control unit 14 is used for issuing the transmission order to selected cell 12 after the notice that receives detecting unit 11, and the address allocation server address that selected cell 12 is sended over and the IP address of distributing to the base station send to IP Address requests unit 13, simultaneously IP Address requests unit 13 issued the order that sends the IP address request.
Fig. 5 shows the functional module of the access service network gateway in this base station IP address assignment system and forms schematic diagram, and it includes relaying retransmission unit 21, identification of base stations unit 22, memory cell 23 and control unit 24.Relaying retransmission unit 21 is used to receive addressed messages that the base station sends or IP address request and transmits to address allocation server according to the order of control unit 24, and the permission returned of receiver address distribution server simultaneously or response message are also transmitted to the base station.Identification of base stations unit 22 is used for extracting attribute information from the addressed messages that relaying retransmission unit 21 receives, and judges whether the message into the base station transmission, and notifies control unit 24 when judgement is the message of base station transmission; And be used for identification information that the permission that receives from relaying retransmission unit 21 or response message extract the base station and the IP address information of distributing to it, and described identification information and IP address information are sent to memory cell 23.Memory cell 23 is used to store the identify label and the corresponding relation of distributing to its IP address of base station.Control unit 24 is used for transmitting described addressed messages according to the described notice control relaying retransmission unit 21 of identification of base stations unit 22 to the corresponding address distribution server.
Here said corresponding address distribution server is meant corresponding with the access service network gateway address allocation server that is used for to base station assigns IP address.
It should be noted that here relaying retransmission unit 21 if find that address allocation server returns error message, is then notified control unit 24 after transmitting the IP address request; Control unit 24 reports the identify label of the described base station that extracts according to described notification command identification of base stations unit 21, and memory cell 23 is issued delete command, deletes the identify label and the corresponding relation of distributing to its IP address of described base station.
Address allocation server in the above comprises and variously communicating based on corresponding address assignment agreement and base station and access service network gateway, thereby is the address allocation server of base station assigns IP address automatically.For example, address allocation server herein can be DHCP (DHCP) server, perhaps boot protocol (BootP) server, and corresponding address assignment agreement is DHCP agreement or BootP agreement.
Correspondingly, the invention provides a kind of base station IP address assignment method, its schematic flow sheet comprises step as shown in Figure 6:
Step S6001: the base station sends addressed messages to the access service network gateway as relay agent;
Include some additional informations in the message packet that is sent, they are carried in the optional spreading parameter of message packet.These additional informations comprise: attribute information, and being used for showing is the message that the base station sends; The identify label of base station, being used to identify is the message that certain base station of determining sends.
The form of message packet is by the address assignment protocol definition.
Step S6002: access service network gateway sends described addressed messages to the corresponding address distribution server;
Access service network gateway extracts attribute information from the addressed messages that receives, determine it is the message that the base station sends, and just this addressed messages is transmitted to the corresponding address distribution server.So-called corresponding address distribution server is meant corresponding with the access service network gateway address allocation server that is used for to base station assigns IP address.
Step S6003: address allocation server returns grant message by access service network gateway to the base station;
After address allocation server is received addressed messages, from the IP address of free time, select an IP address, it is carried in the grant message message replys to the base station by access service network gateway.Simultaneously, the address of also containing this address allocation server in this message packet.Certainly, the identification information that still contains the base station in the optional spreading parameter of this message packet.
Here, access service network gateway writes down the identify label and the corresponding relation of distributing to its IP address of described base station when message is transmitted in the base station.Certainly, access service network gateway also can write down this corresponding relation in the step below, for example, and at record when address allocation server is transmitted the IP address request, or at record when response message is transmitted in the base station.
Step S6004: the base station sends the IP address request by access service network gateway to described address allocation server;
Comprise expression in the IP address request and be the message that the base station sends attribute information, server address, base station identify label and distribute to the information such as IP address of base station.S6002 is similar with step, and the dependency information Recognition went out the message that sends for the base station after access service network gateway received this message, gives address allocation server with this forwards.
Step S6005: address allocation server sends response message by access service network gateway to the base station.
Comprise the identify label of server address, base station in the response message and distribute to the information such as IP address of base station.
Address allocation server is after receiving the IP address request, also may return error message, after access service network gateway receives this error message, ID that the sign of base station identity therewith that can will write down originally is complementary and the corresponding relation record deletion between the IP fall, for example at ID that is complementary when address allocation server is transmitted the IP address request or in the sign of base station identity therewith that writes down when response message is transmitted in the base station and the corresponding relation of IP.
Above-described address allocation server comprises multiple, for example, can be Dynamic Host Configuration Protocol server, and corresponding address assignment agreement is DHCP, perhaps can be the BootP server, and corresponding address assignment agreement is BootP.
DHCP is a kind of agreement based on UDP, its message format as shown in Figure 7, wherein the implication of each field is as follows:
Op: type of message, 1=request message, 2=response message;
Htype: type of hardware;
Hlen: hardware address length;
Hops: when client sent, it was 0 that this field is filled out; This field is optional to middle agent node;
Xid: transaction number is used for matching request and response message;
Secs: client sends the time after request or the updating message;
Flags: flag bit;
Ciaddr: client address, (Address Resolution Protocol just can fill in this field when ARP) asking to the client end response AARP;
The yiaddr:DHCP server-assignment is given the address of Client;
The siaddr:DHCP server address;
Giaddr:DHCP agency's address;
Chaddr: client hardware address;
Sname:DHCP server host name;
File: filename;
Options: optional spreading parameter.
In above-mentioned field, option is optional spreading parameter in the prior art, is not specifically defined, and in the present invention, carries to represent it is the attribute information of the message that sends of base station and the identification information of base station with this field.
Base station IP address assignment method flow schematic diagram when adopting the DHCP agreement comprises step as shown in Figure 8:
After step S8001:BS is restarted, send DHCP DISCOVERY message, the address of request Dynamic Host Configuration Protocol server, optional spreading parameter (option) comprises the information that the attribute representation is the BS transmission in the message, and the BS ID of BS.
Step S8002:ASN-GW plays the function of DHCP proxy, receive DHCP DISCOVERY message after, judge that it is the request that BS sends that the option attribute is known, extract the ID of BS, and choose corresponding Dynamic Host Configuration Protocol server, send DHCP DISCOVERY message.
Step S8003:DHCP server returns DHCP OFFER message, comprises the address of Dynamic Host Configuration Protocol server, and the IP address that will distribute to BS.
Step S8004:ASN-GW gives the base station with DHCP OFFER forwards, writes down the ID of BS and the corresponding relation of IP simultaneously.
Step S8005:BS sends DHCP REQUEST message, request Dynamic Host Configuration Protocol server distributing IP address, and option comprises the attribute information that expression is the BS transmission in the message, and the BS ID of BS.
Step S8006:ASN-GW plays the function of DHCP proxy, receive DHCP REQUEST message after, judge the attribute in the spreading parameter knows it is the request that BS sends, extract the ID of BS, and transmit message and give corresponding Dynamic Host Configuration Protocol server.
Step S8007:DHCP server returns DHCP ACK response message.
In this step, if Dynamic Host Configuration Protocol server returns is error message, then ASN-GW will delete the ID that writes down and the corresponding relation of IP in step S8004.
Step S8008:ASN-GW is transmitted to the base station with DHCP ACK response message, and IP address assignment is finished.
By top step, BS has obtained the IP address automatically, the BS ID that ASN-GW has obtained BS automatically with and the corresponding relation of IP address.
BootP also is called boot protocol, its message format as shown in Figure 9, wherein the implication of each field is as follows:
Op: type of message, 1=request message, 2=response message;
Htype: type of hardware;
Hlen: hardware address length;
Hops: when client sent, it was 0 that this field is filled out; This field is optional to middle agent node;
Xid: transaction number is used for matching request and response message;
Secs: client sends the time after request or the updating message;
Flags: flag bit;
Ciaddr: client address if client is known its own IP address, then writes client IP address, otherwise is set to 0;
Yiaddr: server-assignment is given the address of Client;
Siaddr: server address;
Giaddr: agency's address;
Chaddr: client hardware address;
Sname: server host name;
File: filename;
Vend: optional spreading parameter.
In above-mentioned field, vend is optional spreading parameter in the prior art, is not specifically defined, and in the present invention, carries to represent it is the attribute information of the message that sends of base station and the identification information of base station with this field.
Base station IP address assignment method flow schematic diagram when adopting the BootP agreement comprises step as shown in figure 10:
After step S10001:BS is restarted, send BOOTREQUEST message, the address of request BootP server, optional spreading parameter (vend) comprises the information that the attribute representation is the BS transmission in the message, and the BS ID of BS.
Step S10002:ASN-GW plays BootP agency's function, receive REQUEST message after, judge that it is the request that BS sends that the vend attribute is known, extract the ID of BS, and choose corresponding BootP server, send BOOTREQUEST message.
Step S10003:BootP server returns BOOTREPLY message, comprises the address of BootP server, and the IP address that will distribute to BS.
Step S10004:ASN-GW gives the base station with the BOOTREPLY forwards, writes down the ID of BS and the corresponding relation of IP simultaneously.
Step S10005:BS sends BOOTREQUEST message, request server distributing IP address, and the ciaddr field comprises the address that top server returns in the message, and comprising expression in the vend field is the attribute information that BS sends, and the BS ID of BS.
Step S10006:ASN-GW plays BootP agency's function, receive BOOTREQUEST message after, judge the attribute in the spreading parameter knows it is the request that BS sends, extract the ID of BS, and transmit message and give corresponding BootP server.
Step S10007:BootP server returns the BOOTREPLY response message.
In this step, if the BootP server returns is error message, then ASN-GW will delete the ID that writes down and the corresponding relation of IP in step S10004.
Step S10008:ASN-GW is transmitted to the base station with the BOOTREPLY response message, and IP address assignment is finished.
By top step, BS has obtained the IP address automatically, the BS ID that ASN-GW has obtained BS automatically with and the corresponding relation of IP address.
Above disclosed only is preferred embodiment of the present invention, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (16)
1. a base station IP address assignment system is used for being base station assigns IP address at access service network, it is characterized in that, includes at least one base station and address allocation server, wherein:
Described each base station is used for obtaining an IP address to described address allocation server request;
Described address allocation server communicates based on the address assignment agreement with described base station, is used to receive the request of described base station and is IP address of this base station assigns.
2. base station IP address assignment system as claimed in claim 1 is characterized in that, described base station comprises detecting unit, control unit, selected cell, IP Address requests unit, wherein:
Described detecting unit is used for base stations detected and restarts incident, notice control unit after detecting the base station and restarting;
Described control unit, be used for after receiving the notice of detecting unit, issuing the transmission order to selected cell, and the address allocation server address that selected cell is sended over and the IP address of distributing to the base station send to IP Address requests unit, simultaneously IP Address requests unit issued the order that sends the IP address request;
Described selected cell sends addressed messages according to the transmission order of control unit to address allocation server, and the server address that address allocation server is returned and the IP address of distributing to the base station send to control unit;
Described IP Address requests unit is used for sending the IP address request according to the order of control unit to address allocation server, and receives the response message that described address allocation server returns.
3. base station IP address assignment system as claimed in claim 1 is characterized in that, also comprises access service network gateway, and described access service network gateway comprises relaying retransmission unit, identification of base stations unit, control unit, memory cell, wherein:
Described relaying retransmission unit is used to receive addressed messages that the base station sends or IP address request and transmits to address allocation server according to the order of control unit, and the permission returned of receiver address distribution server simultaneously or response message are also transmitted to the base station;
Described identification of base stations unit is used for extracting attribute information from the addressed messages that the relaying retransmission unit receives, and judges whether the message into the base station transmission, and notifies control unit when judgement is the message of base station transmission; And be used for identification information that the permission that receives from the relaying retransmission unit or response message extract the base station and the IP address information of distributing to it, and described identification information and IP address information are sent to memory cell;
Described control unit is used for transmitting described addressed messages according to the described notice control relaying retransmission unit of identification of base stations unit to the corresponding address distribution server;
Described memory cell is used to store from the identify label of the described base station of identification of base stations unit and distributes to its IP address and the corresponding relation between the two.
4. base station IP address assignment system as claimed in claim 3 is characterized in that, described relaying retransmission unit if find that address allocation server returns error message, is then notified control unit after transmitting the IP address request; Described control unit is controlled the identify label that the identification of base stations unit reports the described base station that extracts according to described notice, and memory cell is issued delete command, deletes the identify label and the corresponding relation of distributing to its IP address of described base station.
5. as each described base station IP address assignment system of claim 1-4, it is characterized in that described address allocation server is a Dynamic Host Configuration Protocol server, described address assignment agreement should be DHCP mutually; Or
Described address allocation server is a bootstrap protocol server, and described address assignment agreement should be boot protocol mutually.
6. a base station is used for obtaining the IP address automatically when access service network communicates with address allocation server, it is characterized in that, comprises detecting unit, control unit, selected cell, IP Address requests unit, wherein:
Described detecting unit is used for base stations detected and restarts incident, notice control unit after detecting the base station and restarting;
Described control unit, be used for after receiving the notice of detecting unit, issuing the transmission order to selected cell, and the address allocation server address that selected cell is sended over and the IP address of distributing to the base station send to IP Address requests unit, simultaneously IP Address requests unit issued the order that sends the IP address request;
Described selected cell sends addressed messages according to the transmission order of control unit to address allocation server, and the server address that address allocation server is returned and the IP address of distributing to the base station send to control unit;
Described IP Address requests unit is used for sending the IP address request according to the order of control unit to address allocation server, and receives the response message that described address allocation server returns.
7. base station as claimed in claim 6 is characterized in that, described address allocation server is Dynamic Host Configuration Protocol server or bootstrap protocol server.
8. an access service network gateway is used in access service network link address distribution server and base station, makes the base station obtain the IP address automatically, it is characterized in that, comprises relaying retransmission unit, identification of base stations unit, control unit, memory cell, wherein:
Described relaying retransmission unit is used to receive addressed messages that the base station sends or IP address request and transmits to address allocation server according to the order of control unit, and the permission returned of receiver address distribution server simultaneously or response message are also transmitted to the base station;
Described identification of base stations unit is used for extracting attribute information from the addressed messages that the relaying retransmission unit receives, and judges whether the message into the base station transmission, and notifies control unit when judgement is the message of base station transmission; And be used for identification information that the permission that receives from the relaying retransmission unit or response message extract the base station and the IP address information of distributing to it, and described identification information and IP address information are sent to memory cell;
Described control unit is used for transmitting the addressed messages of going back according to the described notice control relaying retransmission unit of identification of base stations unit to the corresponding address distribution server;
Described memory cell is used to store from the identify label of the described base station of identification of base stations unit and distributes to its IP address and the corresponding relation between the two.
9. access service network gateway as claimed in claim 8 is characterized in that, described relaying retransmission unit if find that address allocation server returns error message, is then notified control unit after transmitting the IP address request; Described control unit reports the identify label of the described base station that extracts according to described notification command identification of base stations unit, and memory cell is issued delete command, deletes the identify label and the corresponding relation of distributing to its IP address of described base station.
10. access service network gateway as claimed in claim 8 or 9 is characterized in that described address allocation server is Dynamic Host Configuration Protocol server or bootstrap protocol server.
11. a base station IP address assignment method is used for being base station assigns IP address at the base station IP address assignment system of being made up of base station, access service network gateway and address allocation server, it is characterized in that, comprising:
The base station is to sending addressed messages as the access service network gateway of relay agent, and is that the attribute information of the message that sends of base station and the identification information of base station are carried in the described message packet with expression;
Access service network gateway is judged as the message that the base station sends according to described attribute information, sends described addressed messages to the corresponding address distribution server;
Described address allocation server returns grant message by access service network gateway to the base station, comprises the identify label of address allocation server address, base station and distributes to the IP address of base station;
The base station sends the IP address request by access service network gateway to described address allocation server, comprise expression and be the message that the base station sends attribute information, address allocation server address, base station identify label and distribute to the IP address of base station;
Address allocation server sends response message by access service network gateway to the base station, comprises the identify label of address allocation server address, base station and distributes to the IP address of base station.
12. IP address assignment method in base station as claimed in claim 11 is characterized in that, described expression is that the attribute information of the message that sends of base station and the identification information of described base station are carried in the optional spreading parameter field of message packet.
13. IP address assignment method in base station as claimed in claim 11, it is characterized in that, access service network gateway is being transmitted grant message, is being transmitted the IP address request or when response message is transmitted in the base station, write down the identify label of base station and the corresponding relation of its IP address to address allocation server to the base station.
14. IP address assignment method in base station as claimed in claim 13, it is characterized in that, if address allocation server is received the error message of returning after the IP address request that is, then the access service network gateway deletion identifies the following record that conforms to described base station identity:
Access service network gateway is when grant message is transmitted in the base station or at the identify label of the base station of writing down when address allocation server is transmitted the IP address request and the corresponding relation of its IP address.
15., it is characterized in that described address allocation server is Dynamic Host Configuration Protocol server or bootstrap protocol server as each described base station IP address assignment method of claim 11-14.
16. IP address assignment method in base station as claimed in claim 12 is characterized in that, when the address distribution server was Dynamic Host Configuration Protocol server, described optional spreading parameter field was the option field; When the address distribution server was bootstrap protocol server, described optional spreading parameter was the vend field.
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| CNA2006100373996A CN101136946A (en) | 2006-08-31 | 2006-08-31 | Base station IP address assignment system and method, base station, access service network gateway |
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| CNA2006100373996A CN101136946A (en) | 2006-08-31 | 2006-08-31 | Base station IP address assignment system and method, base station, access service network gateway |
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