CN100334861C - A method of Internet domain name access based on on-demand routing in self-organized network - Google Patents
A method of Internet domain name access based on on-demand routing in self-organized network Download PDFInfo
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- CN100334861C CN100334861C CNB2004100989566A CN200410098956A CN100334861C CN 100334861 C CN100334861 C CN 100334861C CN B2004100989566 A CNB2004100989566 A CN B2004100989566A CN 200410098956 A CN200410098956 A CN 200410098956A CN 100334861 C CN100334861 C CN 100334861C
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Abstract
Description
Type | J | R | G | D | U | I | N | M | P | Res | Hop Count |
RREQ ID | |||||||||||
Destination IP Address | |||||||||||
Destination Sequence Number | |||||||||||
Originator IP Address | |||||||||||
Originator Sequeuce Number |
Type | R | A | I | N | E | P | Res | Prefix Sz | Hop Count |
Destination IP Address | |||||||||
Destination Sequence Number | |||||||||
Originator IP Address | |||||||||
Lifetime | |||||||||
Name Server IP Address |
Claims (4)
- In the mobile ad-hoc network based on the method for Internet domain name access of route as required, it is characterized in that this method comprises:RREQ message in the modification AODV Routing Protocol increases gateway configuration request mark I, name server configuring request sign N, replys sign M and protocol-identifier P as the name server request message in RREQ;RREP message in the modification AODV Routing Protocol is as domain name service message, and the increase gateway configuration is replied sign I in RREP, sign N, type of error sign E, protocol-identifier P and name server IP address field are replied in domain name service;Shared routing table foundation, gateway configuration and name server layoutprocedure;When source node S adds MANET, start the name server layoutprocedure, send the name server request message;After intermediate node is received the name server request message, upgrade routing table, and judge whether oneself can reply this request, if oneself have name server configuration information and source node S to allow intermediate node to reply, send domain name service message to source node S and reply, otherwise the name server request message is forwarded;After gateway is received the name server request message, send domain name service message to source node S and reply;After intermediate node is received domain name service message, upgrade routing table and gateway configuration, and this message is transmitted to source node S;After source node S is received domain name service message, according to wherein gateway and own gateway and the name server of domain name server information configuration, and the renewal routing table.
- According in the mobile ad hoc network of claim 1 based on the method for Internet domain name access of route as required, it is characterized in that described source node S configuration name server comprises the steps:S1.1: when the name server configuration module that moves on the MANET source node S started, source node S was at first searched routing table, checked in the routing table whether gateway information is arranged, and judged promptly whether the IP address that is designated gateway is arranged in the routing table, if having, forwarded S1.4 to; If do not have gateway information in the routing table, enter S1.2;S1.2: the initial value that source node S is put request counter Counter is 2, enters S1.3;S1.3: source node S broadcasting domain name server requests message, forward S1.6 then to, in the name server request message: I position 1, N position 1, decide according to network condition and acknowledgment strategy the M position, and decide according to the employed IP protocol type of node the P position;S1.4: the initial value that source node S is put request counter Counter is 0, enters S1.5;S1.5: source node S sends the name server request message to the gateway clean culture, enter S1.6 then, in the name server request message: I position 1, N position 1, decide according to network condition and acknowledgment strategy the M position, decide according to the employed IP protocol type of node the P position, the gateway ip address of the destination address of IP head for finding in routing table;S1.6: the value of source node S request counter Counter adds 1, and start domain name service Messages-Waiting timer T2, and wait for the arrival of domain name service acknowledgement messaging, be DN_SERVER_WAIT_TIME the time-count cycle of T2, its value is decided according to the network environment of reality, enters S1.7;S1.7: wait for that T2 is overtime, if in the not overtime process of T2, receive the domain name service message of issuing oneself, release timer T2 forwards S1.11 to; If T2 is overtime, enter S1.8;S1.8: whether source node S judges the value of request counter Counter less than 2, if than 2 little, forward S1.5 to, once more clean culture name server request message; If the value of Counter is not less than 2, enter S1.9;S1.9: whether source node S judges the value of request counter Counter greater than 3, if than 3 big, enter S1.10; Otherwise, forward S1.3 to, broadcast domain name server requests message once more;S1.10: based on following reason, system thinks do not have name server in this MANET network, just return one " no name server " indication to the user, reason: when in routing table, gateway information being arranged, to twice of gateway clean culture with to twice name server request message of Web broadcast, and do not receive the domain name service acknowledgement messaging; In routing table, during no gateway information,, and do not receive the domain name service acknowledgement messaging to twice name server request message of Web broadcast;S1.11: when source node S was received domain name service message, source node S was upgraded routing table according to the regulation of AODV, is established to the route of gateway, enters S1.12;S1.12: source node S is upgraded gateway configuration, and soon the Destination IPAddress in the domain name service message is set to the gateway of oneself, enters S1.13;S1.13: source node S checks in the network whether there is not internet domain server, checks promptly whether the E position in the domain name service message is 1, if enter S1.14; Otherwise, forward S1.15 to;S1.14: source node S configuration internet domain server is empty, forwards S1.10 to;S1.15: source node S is configured to the Name Server IP Address in the domain name service message the first-selected name server of oneself.
- According in the mobile ad hoc network of claim 1 based on the method for Internet domain name access of route as required, it is characterized in that, after described gateway is received the name server request message, send domain name service message to source node S and reply and comprise:S2.1: when gateway is received the name server request message, first-selectedly judging whether oneself is name server, promptly oneself whether has moved the domain name service program and provides the domain name mapping service for other network node, is name server as if gateway, enters S2.2; Otherwise, forward S2.3 to;S2.2: gateway places the Name Server IPAddress field of domain name service message with oneself IP address, forwards S2.5 to;S2.3: gateway judges whether oneself disposes name server, if the name server configuration is arranged, enters S2.4, otherwise, forward S2.6 to;S2.4: the at first name server IP address that gateway is disposed oneself places the Name Server IP Address field of domain name service message, enters S2.5;S2.5: gateway sends domain name service message to the requesting node clean culture, wherein: I position 1, N position 1, E position 0, P decides according to the employed IP version of node;S2.6: whether gateway judges the broadcast interval time greater than threshold value Broadcast_Time_Interval, and promptly the current time deducts airtime last time whether greater than this threshold value, if enter S2.7; Otherwise, forward S2.8 to;S2.7: gateway writes down this airtime, and broadcast transmission " no name server " is replied, and promptly sends the domain name service message of E position 1 to requesting node;S2.8: the gateway clean culture sends " no name server " and replys, and promptly sends the domain name service message of E position 1 to requesting node.
- According in the mobile ad hoc network of claim 1 based on the method for Internet domain name access of route as required, it is characterized in that, after described intermediate node is received domain name service message, upgrade routing table and gateway configuration, and this message is comprised the steps: to the source node S forwardingS3.1: receive the name server configuration messages when the MANET intermediate node, at first judge the type of this configuration messages, if the name server request message forwards S3.6 to; If domain name service message enters S3.2;S3.2: intermediate node is transmitted domain name service message to requesting node, enters S3.3;S3.3: intermediate node upgrades gateway configuration, and the Destination IPAddress in the domain name service message is set to the gateway of oneself, enters S3.4;S3.4: intermediate node upgrades routing table according to the regulation of AODV, is updated to the route of gateway, enters S3.5;S3.5: intermediate node upgrades the name server configuration, the NameServer IP Address in the domain name service message is configured to the at first name server of oneself;S3.6: intermediate node upgrades routing table, is updated to the route of requesting node, enters S3.7;S3.7: intermediate node judges whether this message allows intermediate node to reply, and checks promptly whether the M position in the name server request message puts 1, if forward S3.9 to; Otherwise, enter S3.8;S3.8: intermediate node forwards the name server request message;S3.9: intermediate node is searched routing table, whether has the route R of gateway, if find route R, forwards S3.11 to; Otherwise, enter S3.10;S3.10: intermediate node forwards the broadcasting of name server request message;S3.11: whether the Reply Sequence Number among the intermediate node comparison R is less than the Reply Sequence Number in the request message, if forward S3.13 to; Otherwise, enter S3.12;S3.12: intermediate node judges whether oneself disposes internet domain server, if forward S3.14 to; Otherwise, enter S3.13;S3.13: intermediate node is transmitted to gateway with the clean culture of name server request message;S3.14: intermediate node sends domain name service message to the requesting node clean culture, wherein: I position 1, N position 1, E position 0, P decides according to the employed IP version of node, Name ServerIP Address is the domain name server address that node oneself is disposed, and all the other fields are consistent with the regulation of AODV.
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Families Citing this family (4)
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CN101674215B (en) * | 2008-09-12 | 2012-01-11 | 中国移动通信集团公司 | Method, node and system of network access |
US8621086B2 (en) * | 2010-03-24 | 2013-12-31 | Alcatel Lucent | System and domain name server for ad-hoc networks |
CN109302436B (en) * | 2017-07-25 | 2020-11-06 | 比亚迪股份有限公司 | Train gateway forwarding strategy configuration method and device |
CN113300867B (en) * | 2020-06-29 | 2022-06-14 | 阿里巴巴集团控股有限公司 | CDN system, information processing method and device, and CDN node |
Citations (2)
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WO2004001519A2 (en) * | 2002-06-24 | 2003-12-31 | Nokia Corporation | Mobile mesh ad-hoc networking |
WO2004028111A1 (en) * | 2002-09-20 | 2004-04-01 | Cisco Technology, Inc. | Method and apparatus in a gateway for registering mobile routers of a mobile ad hoc network to respective home agents |
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WO2004001519A2 (en) * | 2002-06-24 | 2003-12-31 | Nokia Corporation | Mobile mesh ad-hoc networking |
WO2004028111A1 (en) * | 2002-09-20 | 2004-04-01 | Cisco Technology, Inc. | Method and apparatus in a gateway for registering mobile routers of a mobile ad hoc network to respective home agents |
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Assignee: Beijing Zhongke Jingshang Technology Co., Ltd. Assignor: Institute of Computing Technology, Chinese Academy of Sciences Contract record no.: 2011110000143 Denomination of invention: A method of Internet domain name access based on on-demand routing in self-organized network Granted publication date: 20070829 License type: Exclusive License Open date: 20050629 Record date: 20110823 |
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Assignee: Beijing Zhongke Polytron Technologies Inc Assignor: Institute of Computing Technology, Chinese Academy of Sciences Contract record no.: 2011110000143 Date of cancellation: 20181212 |
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