CN101047673A - Method and system for acquiring terminal address correlation information - Google Patents
Method and system for acquiring terminal address correlation information Download PDFInfo
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Abstract
This invention discloses a method and a system for obtaining terminal address related information, which sets dynamic host configured protocol server ID information as its access service network gateway in a network of another place where a terminal places, when the terminal initiates an access request, it gets the ID information of the configured protocol server of the dynamic host via the access service gateway and gets terminal address related information from the access service gateway, in this invention, MSS gets to know the ID information as the DHCP server of ASN-GW at the network of other place in WiMAX MIPv6.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of terminal address correlation information acquisition methods and system.
Background technology
Although with Internet Protocol the 4th edition (IPv4 IP version 4) is that the internet of core technology has obtained great success, yet because the anxiety of IPv4 address resource has directly limited further developing that the IP technology is used.And the develop rapidly of mobile at present and broadband technology is to the demand sharp increase of IP address, though for satisfying technology such as inter-domain routing (CIDR Classless Inter Domain Routing) that this demand proposed no class, network address translation (NAT Net Address Translation), combined address, the anxiety that they can only respite IPv4 address.And internet engineer's task groups (IETF Internet EngineeringTask Force) has proposed the Next Generation Internet agreement in the nineties in 20th century---Internet Protocol sixth version (IPv6 IP version 6), IPv6 has been acknowledged as the following upgraded version of IPv4 at present.The IPv6 improvement of essence the most is that address size with former IPv4 is increased to 128 by 32, thereby has brought almost unlimited address space.In addition, IPv6 also adopts hierarchical address pattern, efficient IP packet header, service quality, host address to dispose automatically, authenticate and many technology such as encryption.
Wherein for realize mobile node still can be smoothly under situation of movement and the external world communicate, we use Mobile IP, i.e. mobile IP technology.As shown in Figure 1, Fig. 1 is a MIPv6 operation principle schematic diagram, as seen from the figure, the basic principle of mobile IP be mobile node except having a fixed ip address---HoA address (HoA Home Address), also have the another one temporary ip address at the field network that moves to recently---Care-of Address (CoA Care-of Address), set up the routing relation of corresponding relation and the home network and the field network of HoA address and CoA address by certain network mechanism, thus reach make mobile node when its network transformation with the Correspondent Node that is positioned at other networks (Corresponding Node) between unbroken purpose of communicating by letter.And mobile IP v 6 (MIPv6 Mobile IP version 6) is based on the mobile IP technology of IPv6 agreement, and it need not outer agency, support Route Optimization and then avoids alternate route and make full use of neighbours' discovery feature and the IPv6 extension header; The relative MIPv4 of the travelling performance of MIPv6 has had significant improvement.Come simply to introduce the working mechanism of MIPv6 below:
1, mobile node finds that by the IPv6 router message determines current position;
2, mobile node uses the configuration CoA address that the automatic configuration mechanism in IPv6 address is obtained foreign link;
3, mobile node lands to local agent, notifies its CoA address;
4, mobile node is also notified its CoA address to some CN;
5, other main frame can be ignored the CoA address of mobile node, and the moving IPv4 of image drift is the same, and bag is mail to the local network of mobile node, and local agent is forwarded to the Care-of Address of mobile node by tunnel Jiang Bao;
6, the communication host of knowing the mobile node Care-of Address also IP available v6 route extension header directly bag is issued mobile node;
7, mobile node uses the CoA address as the source address that sends bag.
WiMAX (Worldwide Interoperability for Microwave Access), i.e. the interoperability of global microwave system, the whole network of WiMAX is mainly by forming with the lower part:
1, user terminal (SS, Subscriber Station)/mobile subscriber terminal (MSS, Mobile SubscriberStation): the user uses this devices accessing WiMAX network;
2, accessing business network (ASN Access Service Network): ASN is defined as the network function set that the WiMAX terminal provides the wireless access service.ASN has comprised base station (BS Base Station) and accessing business network gate (ASN GW ASN Gateway) network element.Wherein the major function of BS network element is: provide the L2 of BS and MSS to be connected, RRM or the like; The major function of ASN-GW network element is: for MSS authentication function provides client functionality, provide for MSS and switch in relaying (Relay) function (as IP address assignment), ASN of L3 information etc.
3, connect service network (CSN Connectivity Service Network): CSN is defined as the WiMAX terminal IP is provided Connection Service.The major function that CSN provided is: the IP address assignment of MSS, Internet insert, authentication and accounting authentication server (AAA server) or authentication and accounting authentication agent server (AAAproxy), based on user's authorization control etc.
Above-mentioned three partial logic inter-entity communicate by the interface from R1 to R6, each network element and interface relationship as shown in Figure 2, Fig. 2 is the basic structure of WiMAX system.
When making MSS be positioned at field network, it keeps not interrupting with communicating by letter of core net (CN Core Network), and we apply to the WiMAX system to reach above-mentioned target with the mobile IP v 6 technology here.Fig. 3 utilizes mobile IP v 6 know-why schematic diagram in the WiMAX system.
As shown in Figure 3, dotted portion expresses possibility among the figure needs special processing (can use accomplished in many ways), but its processing method does not relate to the content that technical solution of the present invention is set forth, and does not therefore explain here, and related content can be referring to [RFC 3775].
As can be seen from Figure 3, for realizing that whole M IPv6 flow process MSS need obtain obtaining of information such as HoA/CoA address relevant information, home agent (HA Home Agent) address.And in WiMAX stage2 baseline documents, utilize following mode to obtain the obtaining of information of HoA/CoA address relevant information, Home Agent address.
Fig. 4 is that information such as HL, HA are obtained flow chart among the WiMAX MIPv6, as shown in Figure 4, mainly comprises the steps:
S01～S03:H-AAA receives the Access-Request message by the ASN-GW forwarding of MSS place field network, MSS is carried out after the authentication distributing such as HA address, HL information such as (being used for obtaining of HoA address relevant information) (other information also may be CoA address relevant information, HoA address relevant information etc.) for it.
S04～S05:H-AAA issues information such as HA address, HL in Access-Accept message.ASN-GW is stored information such as the HA address of being received, HL.
S06:MSS finishes access authentication process.
S07:MSS finishes the foundation and the registration process of data channel.
S08～S09:MSS utilizes DHCPv6 Information Request message, requires ASN-GW that relevant information is issued.After ASN-GW received message, information such as HA address that MSS is required and HL issued by DHCPv6 Reply message.After receiving Reply message, MSS has just been known information such as HA address and HL.
In the step S09 of said process, obtain the relevant information that H-AAA issues in order to utilize DCHPv6 Information Request message, must at first locate ASN-GW as Dynamic Host Configuration Protocol server, MSS can obtain the relevant information that H-AAA issues by DCHPv6 Information Request message like this, and not so in fact this scheme can't realize.But in the existing scheme, in fact not relevant technology solution causes this scheme to realize.
Summary of the invention
The invention provides a kind of terminal address correlation information acquisition methods and system, can't obtain the problem of field network access service network gateway as Dynamic Host Configuration Protocol server information in order to what exist in the solution prior art.
The inventive method comprises:
A kind of terminal address correlation information acquisition methods, Dynamic Host Configuration Protocol server identification information as the access service network gateway of Dynamic Host Configuration Protocol server is set in the field network of terminal place, when terminal is initiated to insert request, obtain described Dynamic Host Configuration Protocol server identification information by access service network gateway, and, obtain terminal address correlation information to access service network gateway as Dynamic Host Configuration Protocol server according to described Dynamic Host Configuration Protocol server identification information.
Describedly obtain described Dynamic Host Configuration Protocol server identification information, specifically may further comprise the steps by access service network gateway:
The access request message that A, authentication and accounting authentication server receiving terminal place field network access service network gateway transmit provides in the described field network Dynamic Host Configuration Protocol server identification information as the access service network gateway of Dynamic Host Configuration Protocol server;
B, authentication and accounting authentication server are handed down to described Dynamic Host Configuration Protocol server identification information the access service network gateway at terminal place;
C, described access service network gateway are transmitted to terminal with described DHCP identification information.
In the described steps A, described authentication and accounting authentication server is a local authentication and accounting authentication server, provides in the described field network Dynamic Host Configuration Protocol server identification information as the access service network gateway of Dynamic Host Configuration Protocol server by local authentication and accounting authentication server.
In the described steps A, described access request message is transmitted to terminal by visit authentication and accounting authentication server.
In the described steps A, comprise that also described authentication and accounting authentication server is described terminal distribution relative address information according to described access request message;
Among the described step B, comprise that also described authentication and accounting authentication server is handed down to access service network gateway with described relative address information;
Among the described step C, comprise that also described access service network gateway stores described relative address information.
Described Dynamic Host Configuration Protocol server identification information, for described Access Network gateway as the sign of Dynamic Host Configuration Protocol server or the unicast address of Access Network gateway.
Before the described step C, also comprise step:
C1, access service network gateway carry out access authentication to described terminal.
Describedly obtain described Dynamic Host Configuration Protocol server identification information, specifically may further comprise the steps by access service network gateway:
A, terminal send described Dynamic Host Configuration Protocol server identification request message to the multicast address of all Dynamic Host Configuration Protocol server;
B, described access service network gateway are replied DHCP broadcast DHCPv6 Advertise to described terminal, carry described Dynamic Host Configuration Protocol server identification information.
Before the described step a, also comprise the step that terminal place network address collision detects.
System of the present invention comprises:
A kind of terminal address correlation information obtains system, comprises terminal, access service network gateway and authentication and accounting authentication server,
Described terminal is provided with access authentication and initiates the unit, is used for initiating the access authentication request to access service network gateway;
Described authentication and accounting authentication server is provided with the Dynamic Host Configuration Protocol server identification information unit is set, and is used for being provided with the Dynamic Host Configuration Protocol server identification information of terminal place field network as the access service network gateway of Dynamic Host Configuration Protocol server;
Described access service network gateway is provided with the Dynamic Host Configuration Protocol server identification information obtaining unit, is used for obtaining described Dynamic Host Configuration Protocol server identification information from described authentication and accounting authentication server, and sends to terminal.
Described authentication and accounting authentication server is local authentication and accounting authentication server.
Described access service network gateway also is provided with memory cell, is used to store the Dynamic Host Configuration Protocol server identification information that obtains from described authentication and accounting authentication server.
Beneficial effect of the present invention is as follows:
The ASN-GW that the present invention program has proposed to make MSS know its place field network in WiMAX MIPv6 as the Dynamic Host Configuration Protocol server identification information, filled up the blank in the WiMAX stage2 document.
Description of drawings
Fig. 1 is a MIPv6 operation principle schematic diagram in the prior art;
Fig. 2 is a WiMAX system configuration schematic diagram in the prior art;
Fig. 3 is a WiMAX MIPv6 workflow schematic diagram in the prior art;
Fig. 4 obtains schematic flow sheet for information such as HL, HA among the WiMAX MIPv6 in the prior art;
Fig. 5 is a main flow schematic diagram of the present invention;
Fig. 6 is the schematic flow sheet of the embodiment of the invention 1;
Fig. 7 is the schematic flow sheet of the embodiment of the invention 2;
Fig. 8 is a system configuration schematic diagram of the present invention.
Embodiment
Below in conjunction with Figure of description the specific embodiment of the present invention is described.
Mutual in order to make MSS and Dynamic Host Configuration Protocol server carry out dhcp message, each Dynamic Host Configuration Protocol server and client (MSS) all have a Dynamic Host Configuration Protocol server identification information and are used for unique identification oneself.When dhcp client sends message to Dynamic Host Configuration Protocol server, have dual mode to distinguish the particular DHCP server that message will send to:
1, the destination address of message is the multicast address of all Dynamic Host Configuration Protocol server, utilizes this moment the DUID sign will receive the Dynamic Host Configuration Protocol server of message.
2, MSS can directly send message to Dynamic Host Configuration Protocol server by unicast address: the unicast address of the Dynamic Host Configuration Protocol server known to this moment MSS be included in server-＞unicastoption in the client message in.But, utilize IP address among the unicast option as the destination address of message when Dynamic Host Configuration Protocol server is sent out message, MSS can't send message to non-cohesive Dynamic Host Configuration Protocol server on same link.
Among the present invention program, for mutual with dhcp message with the Dynamic Host Configuration Protocol server (being ASN-GW) that stores the MSS information needed, thus the relevant information of obtaining.MSS must at first locate the ASN-GW as Dynamic Host Configuration Protocol server, like this when sending DHCPv6 Solicit message, the Dynamic Host Configuration Protocol server identification information that is obtained is carried in the message, and the Dynamic Host Configuration Protocol server (promptly storing the ASN-GW of MSS required address relevant information) that just can make designated store address relevant information is to its response.
As shown in Figure 5, be main flow schematic diagram of the present invention, as seen from the figure, the present invention mainly may further comprise the steps:
S100, the Dynamic Host Configuration Protocol server identification information DHCP_LOC as the ASN-GW of Dynamic Host Configuration Protocol server is set in the field network of terminal place.
Here for simplicity, can will show that the Dynamic Host Configuration Protocol server identification information as the ASN-GW of Dynamic Host Configuration Protocol server is designated as DHCP_LOC, this identification information may show by different modes, as: ASN-GW is as the DUID sign of Dynamic Host Configuration Protocol server, unicast address of ASN-GW or the like.
S200, when MSS initiate to insert request, obtain described Dynamic Host Configuration Protocol server identification information DHCP_LOC by ASN-GW.
When MSS initiates to insert request, can obtain this identification information DHCP_LOC by ASN-GW according to existing access procedure, and send this identification information DHCP_LOC to MSS.
S300, according to described identification information DHCP_LOC, obtain terminal address correlation information to ASN-GW as Dynamic Host Configuration Protocol server.
MSS can be known the ASN-GW as Dynamic Host Configuration Protocol server according to described identification information DHCP_LOC, according to this information, can obtain MSS address relevant information to this ASN-GW.
The embodiment of the invention 1 is at making MSS obtain the DHCP_LOC of the ASN-GW of MSS place field network in the process of above-mentioned authentication.
As shown in Figure 6, be the schematic flow sheet of the embodiment of the invention 1, as seen from the figure, mainly may further comprise the steps:
S11, MSS initiate access authentication request Access-Request to ASN-GW, the beginning access authentication process.
S12, ASN-GW transmit described access authentication request to H-AAA/V-AAA.
S13, H-AAA/V-AAA receive the Access-Request message of being transmitted by the ASN-GW of MSS place field network, and MSS is carried out after the authentication being its distribution such as information (being designated as other options) such as HoA, HL, HA address; Provide the DHCP_LOC of corresponding ASN-GW simultaneously according to the field network at MSS place.
In this flow process, when the field network at MSS place belongs to the home network services provider (NSP) of MSS (MSS is in non-roaming state), Access-Request message among the step S12 directly sends to H-AAA (the H-AAA this moment network configuration information of MSS place field network as can be known is MSS distribution DHCP_LOC by it).
When the field network at MSS place does not belong to the ownership NSP of MSS (MSS is in roaming state), the V-AAA of Access-Request among the step S12 by the NSP at the present place of MSS is transmitted to H-AAA, (the V-AAA this moment network configuration information of MSS place field network as can be known is MSS distribution DHCP_LOC by it).
S14, H-AAA/V-AAA are handed down to the DHCP_LOC of other options and ASN-GW the ASN-GW of MSS place field network by Access-Accept message.
When the field network at MSS place does not belong to the ownership NSP of MSS (MSS is in roaming state), then above-mentioned answer message is transmitted to the ASN-GW of MSS place field network by V-AAA.
S15, ASN-GW are stored the other options that receives.
The ASN-GW of S16, MSS place field network will comprise the forwards of the DHCP_LOC of ASN-GW and give MSS.After MSS finishes access authentication, just known the locating information of the ASN-GW of its place field network according to receiving message, can obtain relevant information to this ASN-GW according to above-mentioned information.
The embodiment of the invention 2 is obtained the DHCP_LOC of ASN-GW as Dynamic Host Configuration Protocol server by the DHCP request message.MSS obtains the DHCP_LOC of ASN-GW by the ASN-GW of DHCPv6 Solicit message location as the DHCPv6 server by the DHCPv6 advertise message that ASN-GW responded.
As shown in Figure 7, be the schematic flow sheet of the embodiment of the invention 2, as seen from the figure, mainly may further comprise the steps:
S21, MSS finish the foundation of authentication, registration and data channel.Wherein, in authentication process, do not issue the DHCP_LOC of ASN-GW.
S22, MSS detect at the link-local of place network address conflict.
We suppose that the link-local address of MSS is to utilize following mode to constitute:
The link-local address of MSS=FE ∷ 80+interface identifier;
Wherein FE ∷ 80 is well-known link-local prefixes; Interface identifier is that 64bits is long, and is available based on the calculating of EUI-64 method, for example can calculate its interface identifier of 64 according to the 48 bit mac addresses of MSS.After if the address conflict detection is carried out in the address hereto, find that not having any address on the link-local conflicts with it, then the link-local address of MSS can be used.
S23, MSS send DHCPv6 Solicit message on the multicast address of all Dynamic Host Configuration Protocol server.
S24, after receiving the message that MSS sends, ASN-GW responds DHCPv6 Advertise message to it, wherein comprises the DHCP_LOC parameter of relevant ASN-GW locating information.
As shown in Figure 8, be the structural representation that terminal address correlation information of the present invention obtains system, as seen from the figure, this system comprises MSS100, ASN-GW200 and aaa server 300, wherein:
Described MSS100 is provided with access authentication and initiates unit 101, is used for initiating the access authentication request to ASN-GW200;
Described aaa server 300 is provided with the Dynamic Host Configuration Protocol server identification information unit 301 is set, and is used for being provided with the Dynamic Host Configuration Protocol server identification information DHCP_LOC of MSS100 place field network as the access service network gateway of Dynamic Host Configuration Protocol server;
Described access service network gateway 200 is provided with Dynamic Host Configuration Protocol server identification information obtaining unit 201, is used for obtaining described Dynamic Host Configuration Protocol server identification information from described aaa server 300, and sends to MSS100.
Described access service network gateway 200 also is provided with memory cell 202, is used to store the Dynamic Host Configuration Protocol server identification information that obtains from aaa server.
In the such scheme, this is provided with the aaa server that the Dynamic Host Configuration Protocol server identification information is provided with unit 301, is H-AAA, if MSS100 is positioned at visited network, and then can be by transmitting relevant information between V-AAA and the H-AAA.
When the field network at MSS100 place belongs to the home network services provider (NSP) of MSS (MSS is in non-roaming state), insert request message and directly send to H-AAA, the H-AAA this moment network configuration information of MSS100 place field network as can be known is MSS100 distribution Dynamic Host Configuration Protocol server identification information by it;
When the field network at MSS100 place does not belong to the ownership NSP of MSS (MSS is in roaming state), insert the H-AAA that is transmitted to of the V-AAA of request message by the NSP at the present place of MSS, the V-AAA this moment network configuration information of MSS place field network as can be known is MSS distribution Dynamic Host Configuration Protocol server identification information by it.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (12)
1, a kind of terminal address correlation information acquisition methods, it is characterized in that, Dynamic Host Configuration Protocol server identification information as the access service network gateway of Dynamic Host Configuration Protocol server is set in the field network of terminal place, when terminal is initiated to insert request, obtain described Dynamic Host Configuration Protocol server identification information by access service network gateway, and, obtain terminal address correlation information to access service network gateway as Dynamic Host Configuration Protocol server according to described Dynamic Host Configuration Protocol server identification information.
2, the method for claim 1 is characterized in that, describedly obtains described Dynamic Host Configuration Protocol server identification information by access service network gateway, specifically may further comprise the steps:
The access request message that A, authentication and accounting authentication server receiving terminal place field network access service network gateway transmit provides in the described field network Dynamic Host Configuration Protocol server identification information as the access service network gateway of Dynamic Host Configuration Protocol server;
B, authentication and accounting authentication server are handed down to described Dynamic Host Configuration Protocol server identification information the access service network gateway at terminal place;
C, described access service network gateway are transmitted to terminal with described DHCP identification information.
3, the method for claim 1, it is characterized in that, in the described steps A, described authentication and accounting authentication server is a local authentication and accounting authentication server, provides in the described field network Dynamic Host Configuration Protocol server identification information as the access service network gateway of Dynamic Host Configuration Protocol server by local authentication and accounting authentication server.
4, method as claimed in claim 3 is characterized in that, in the described steps A, by visit authentication and accounting authentication server described access request message is transmitted to terminal.
5, the method for claim 1 is characterized in that,
In the described steps A, comprise that also described authentication and accounting authentication server is described terminal distribution relative address information according to described access request message;
Among the described step B, comprise that also described authentication and accounting authentication server is handed down to access service network gateway with described relative address information;
Among the described step C, comprise that also described access service network gateway stores described relative address information.
6, the method for claim 1 is characterized in that, described Dynamic Host Configuration Protocol server identification information, for described Access Network gateway as the sign of Dynamic Host Configuration Protocol server or the unicast address of Access Network gateway.
7, the method for claim 1 is characterized in that, before the described step C, also comprises step:
C1, access service network gateway carry out access authentication to described terminal.
8, the method for claim 1 is characterized in that, describedly obtains described Dynamic Host Configuration Protocol server identification information by access service network gateway, specifically may further comprise the steps:
A, terminal send described Dynamic Host Configuration Protocol server identification request message to the multicast address of all Dynamic Host Configuration Protocol server;
B, described access service network gateway are replied DHCP broadcast DHCPv6 Advertise to described terminal, carry described Dynamic Host Configuration Protocol server identification information.
9, method as claimed in claim 8 is characterized in that, before the described step a, also comprises the step that terminal place network address collision detects.
10, a kind of terminal address correlation information obtains system, comprises terminal, access service network gateway and authentication and accounting authentication server, it is characterized in that,
Described terminal is provided with access authentication and initiates the unit, is used for initiating the access authentication request to access service network gateway;
Described authentication and accounting authentication server is provided with the Dynamic Host Configuration Protocol server identification information unit is set, and is used for being provided with the Dynamic Host Configuration Protocol server identification information of terminal place field network as the access service network gateway of Dynamic Host Configuration Protocol server;
Described access service network gateway is provided with the Dynamic Host Configuration Protocol server identification information obtaining unit, is used for obtaining described Dynamic Host Configuration Protocol server identification information from described authentication and accounting authentication server, and sends to terminal.
11, system as claimed in claim 10 is characterized in that, described authentication and accounting authentication server is local authentication and accounting authentication server.
12, system as claimed in claim 10 is characterized in that, described access service network gateway also is provided with memory cell, is used to store the Dynamic Host Configuration Protocol server identification information that obtains from described authentication and accounting authentication server.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100809774A CN100563221C (en) | 2006-05-26 | 2006-05-26 | A kind of terminal address correlation information acquisition methods and system |
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| CNB2006100809774A CN100563221C (en) | 2006-05-26 | 2006-05-26 | A kind of terminal address correlation information acquisition methods and system |
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| CN100563221C CN100563221C (en) | 2009-11-25 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101730151B (en) * | 2009-06-19 | 2012-05-09 | 中兴通讯股份有限公司 | Method, system and access service network gateway for realizing DHCP mode negotiation |
| CN102497378A (en) * | 2011-12-15 | 2012-06-13 | 杭州华三通信技术有限公司 | Method and device for dynamically choosing DHCP server for client terminal |
| CN102624627A (en) * | 2012-03-15 | 2012-08-01 | 杭州华三通信技术有限公司 | Message transmission method and equipment |
| CN103098445A (en) * | 2011-08-10 | 2013-05-08 | 华为技术有限公司 | Method, data gateway and system for processing addresses |
| CN106453615A (en) * | 2016-11-11 | 2017-02-22 | 郑州云海信息技术有限公司 | A network communication protocol address configuration method and system |
| CN110972080A (en) * | 2019-11-29 | 2020-04-07 | 广东科徕尼智能科技有限公司 | ZigBee gateway searching method, equipment and storage medium |
| CN111865793A (en) * | 2020-08-04 | 2020-10-30 | 东北大学 | IPv6 network service customized reliable routing system and method based on function learning |
| CN114615234A (en) * | 2022-03-11 | 2022-06-10 | 新华三工业互联网有限公司 | Address allocation method and device |
-
2006
- 2006-05-26 CN CNB2006100809774A patent/CN100563221C/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101730151B (en) * | 2009-06-19 | 2012-05-09 | 中兴通讯股份有限公司 | Method, system and access service network gateway for realizing DHCP mode negotiation |
| CN103098445A (en) * | 2011-08-10 | 2013-05-08 | 华为技术有限公司 | Method, data gateway and system for processing addresses |
| CN103098445B (en) * | 2011-08-10 | 2016-03-30 | 华为技术有限公司 | Process the method for address, data gateway and system |
| CN102497378B (en) * | 2011-12-15 | 2015-03-18 | 杭州华三通信技术有限公司 | Method and device for dynamically choosing DHCP server for client terminal |
| WO2013086870A1 (en) * | 2011-12-15 | 2013-06-20 | Hangzhou H3C Technologies Co., Ltd. | Method and device for dynamically selecting a dhcp server for a client terminal device |
| GB2511225A (en) * | 2011-12-15 | 2014-08-27 | Hangzhou H3C Tech Co Ltd | Method and device for dynamically selecting a DHCP server for a client terminal device |
| CN102497378A (en) * | 2011-12-15 | 2012-06-13 | 杭州华三通信技术有限公司 | Method and device for dynamically choosing DHCP server for client terminal |
| US9967254B2 (en) | 2011-12-15 | 2018-05-08 | Hewlett Packard Enterprise Development Lp | Dynamically selecting a DHCP server for a client terminal |
| CN102624627A (en) * | 2012-03-15 | 2012-08-01 | 杭州华三通信技术有限公司 | Message transmission method and equipment |
| CN106453615A (en) * | 2016-11-11 | 2017-02-22 | 郑州云海信息技术有限公司 | A network communication protocol address configuration method and system |
| CN110972080A (en) * | 2019-11-29 | 2020-04-07 | 广东科徕尼智能科技有限公司 | ZigBee gateway searching method, equipment and storage medium |
| CN111865793A (en) * | 2020-08-04 | 2020-10-30 | 东北大学 | IPv6 network service customized reliable routing system and method based on function learning |
| CN114615234A (en) * | 2022-03-11 | 2022-06-10 | 新华三工业互联网有限公司 | Address allocation method and device |
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|---|---|
| CN100563221C (en) | 2009-11-25 |
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