CN101764739A - Mobile management system based on mobile network - Google Patents
Mobile management system based on mobile network Download PDFInfo
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- CN101764739A CN101764739A CN200810241810A CN200810241810A CN101764739A CN 101764739 A CN101764739 A CN 101764739A CN 200810241810 A CN200810241810 A CN 200810241810A CN 200810241810 A CN200810241810 A CN 200810241810A CN 101764739 A CN101764739 A CN 101764739A
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- 101100291452 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) MMS1 gene Proteins 0.000 description 1
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Abstract
The invention discloses a mobile management system based on a mobile network, which comprises a mobile node roaming in an external network and a plurality of mobile management servers located on the external proxy server of the external network and the whole mobile network. The external network further comprises a domain name resolution server which stores the IP addresses of the mobile management servers. When the mobile node sends information a target node, the domain name resolution server resolves the mobile management server closest to the mobile node or the target node as the mobile management server managing the mobile node. The invention has the advantage of reducing network flow consumption.
Description
Technical field
The present invention relates to a kind of suitable IPv6 network of network management system, relate in particular to a kind of mobile management system based on the mobile network.
Background technology
Mobile IP is a solution provides the communications protocol of roaming function in existing internet, but traditional triangle routing issue is arranged under this framework, causes transmitting range too tediously long and cause the clear problem of usefulness.At present, can address this problem by existing main frame or server in the changed network by the method for some routing optimalities.
See also Fig. 1, be a kind of schematic diagram of network mobile management system of prior art.This network mobile management system comprises the destination node CN that mobile node MN, external proxy server FA, a plurality of mobile management server MMS1, MMS2, MMS3 and mobile node MN will connect.Because mobile node MN roams in the external network, therefore need by being arranged in new IP address of acting server FA registration of external network, and this IP address is broadcast to a plurality of mobile management servers, thereby can make mobile management server know the IP address that mobile node MN is new, and set up related with original IP address
When mobile node MN will send information to destination node CN, at first receive the online package of setting up that it sends by external proxy server FA, external proxy server FA can send out the multicast package and seek nearest mobile management server in network then.When external proxy server FA receive first return return mobile management server the time, assert that promptly this mobile management server is nearest point.Therefore, the package that external proxy server FA will will send mobile node MN to destination node CN sends nearest mobile management server in the mode in tunnel, described then mobile management system can utilize the mode of NAT (Network Address Translation, network address translation) that package is transferred to destination node CN.This framework mainly is exactly regional advantage, can come with nearest mobile management server fast package to be sent to destination node CN, does not increase oversize transfer path in fact, does not also prolong the delivery time.
There is following shortcoming in above-mentioned mobile management system: at destination node CN is could use this framework under the fixed situation, because if destination node CN moves to outer net, its IP address will change, its transmission and reception information are, also to pass through another external proxy server and mobile management server transfer, the consumption that can produce more network delay and network bandwidth resources like this; Described mobile management system must support completely that the communications protocol of multicast is just practicable, but multicast can increase network traffics, so can bring the expense on some network traffics when looking for mobile management server; In addition, the data passes between external proxy server FA and the mobile management server still need see through the mode in tunnel and transmit, and also can increase network traffics.
Summary of the invention
The purpose of this invention is to provide a kind of mobile management system based on the mobile network, it can reduce the expense of network traffics.
For solving technical problem of the present invention, the present invention discloses a kind of mobile management system based on the mobile network, it comprises the mobile node that roves an external network, be positioned at the external proxy server of this external network and be positioned at a plurality of mobile management servers on the whole mobile network, described external network further comprises a domain name resolution server, the domain name resolution server has the IP address of described a plurality of mobile management servers, when described mobile node will send information to a destination node, the domain name resolution server will from the nearest mobile management server of described mobile node or from described destination node nearest mobile management server resolve to the mobile management server of the described mobile node of management.
Compared to prior art, mobile management system of the present invention need not to adopt broadcasting or multicasting technology to search nearest mobile management server owing to adopt domain name resolution server to parse nearest mobile management server, has therefore saved the expense of network traffics; Simultaneously, for described destination node, the described mobile management server of an online other end is changeless, therefore, does not need to redesign the function that server in the existing network can provide portable IP.
Description of drawings
Fig. 1 is the schematic diagram of the network mobile management system of prior art.
Fig. 2 is the schematic diagram of the network mobile management system of bright first execution mode of this law.
Fig. 3 is the schematic diagram of the network mobile management system of second embodiment of the invention.
Embodiment
As shown in Figure 2, the network mobile management system of first embodiment of the invention comprises the destination node CN that mobile node MN, external proxy server FA, domain name resolution server DNS, mobile management server MMS and mobile node MN will connect.In this system, mobile node MN roves an external network, and external proxy server FA, domain name resolution server DNS and mobile management server MMS are arranged in described external network.There is the IP address that whole mobile network goes up all mobile management server MMS correspondences among the domain name resolution server DNS.When mobile node MN was sent the connection signal to destination node CN, domain name resolution server DNS can inquire about from the nearest mobile management server MMS of mobile node MN automatically, and mobile node MN is informed in its IP address.After mobile management server MMS receives the bag that MN sends, be converted into the package that sends CN to by MMS and send out.When message packet of destination node CN passback is given mobile node MN, after mobile management server MMS receives this message packet, at first from domain name resolution server, search the IP address of corresponding mobile node MN, by external proxy server FA this message packet is sent to mobile node then.
In the above-described first embodiment,, need not to adopt multicasting technology to search nearest mobile management server, therefore saved the expense of network traffics owing to adopt the domain name resolution server dns resolution to go out nearest mobile management server MMS from MN.
As shown in Figure 3, the network mobile management system of first embodiment of the invention comprises the destination node CN that mobile node MN, external proxy server FA, domain name resolution server DNS, mobile management server MMS and mobile node MN will connect.In this system, mobile node MN roves an external network, and external proxy server FA, domain name resolution server DNS are arranged in described external network.There is the IP address that whole mobile network goes up all mobile management server MMS correspondences among the domain name resolution server DNS.When mobile node MN was sent the connection signal to destination node CN, domain name resolution server DNS can inquire about from the nearest mobile management server MMS of destination node CN automatically, and mobile node MN is informed in its IP address.Then, mobile node MN can generate message packet by external proxy server FA, and sends mobile management server MMS to.After mobile management server MMS receives this package, adopt the mode of NAT to generate message packet it and be converted to the package that sends CN to by MMS and send out.When message packet of destination node CN passback is given mobile node MN, after mobile management server MMS receives this message packet, at first from domain name resolution server, search the IP address of corresponding mobile node MN, by external proxy server FA this message packet is sent to mobile node then.
In the above-described 2nd embodiment, owing to adopt the domain name resolution server dns resolution to go out nearest mobile management server MMS, reduced time delays from MMS to the CN transmission signals from destination node CN.And need not to adopt multicasting technology to search nearest mobile management server, therefore saved the expense of network traffics.Simultaneously, owing to adopted the mode of network address translation to transmit message packet, reduced the expense of tunnel transmission mode to network traffics.In addition, in the above-mentioned mobile management system, it must be the restriction of fixed host computer that destination node CN no longer is subjected to, and can be mobile host arbitrarily.
The present invention is not limit by above-mentioned execution mode, when utilizing domain name resolution server DNS that mobile management server MMS is inquired about, can choose nearest mobile management server MMS, also can choose nearest mobile management server MMS from destination node CN from mobile node MM.
Claims (2)
1. mobile management system based on the mobile network, it comprises the mobile node that roves an external network, be positioned at the external proxy server of this external network and be positioned at a plurality of mobile management servers on the whole mobile network, it is characterized in that, described external network further comprises a domain name resolution server, the domain name resolution server has the IP address and the relevant information of described a plurality of mobile management servers, when described mobile node will send information to a destination node, the domain name resolution server will from the nearest mobile management server of described mobile node or from described destination node nearest mobile management server resolve to the mobile management server of the described mobile node of management.
2. mobile management system according to claim 1, it is characterized in that, the package that sends described mobile management server from described mobile node to can convert the package that is sent to described destination node by described mobile management server to through behind the described mobile management server, transmits from described destination node to send described mobile node to after the package of returning is changed through described mobile management server.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810241810A CN101764739A (en) | 2008-12-23 | 2008-12-23 | Mobile management system based on mobile network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810241810A CN101764739A (en) | 2008-12-23 | 2008-12-23 | Mobile management system based on mobile network |
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| CN101764739A true CN101764739A (en) | 2010-06-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103297564A (en) * | 2013-07-03 | 2013-09-11 | 深圳市共进电子股份有限公司 | Method for automatically switching address of external proxy server |
| CN110138872A (en) * | 2016-06-30 | 2019-08-16 | 上海智臻智能网络科技股份有限公司 | A kind of computer-readable medium for network agent |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1481081A (en) * | 2002-08-09 | 2004-03-10 | 富士通株式会社 | Virtual special internet system |
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- 2008-12-23 CN CN200810241810A patent/CN101764739A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1481081A (en) * | 2002-08-09 | 2004-03-10 | 富士通株式会社 | Virtual special internet system |
Non-Patent Citations (1)
| Title |
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| 周连兵: "基于IPv6 网络的移动管理系统研究", 《微计算机信息》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103297564A (en) * | 2013-07-03 | 2013-09-11 | 深圳市共进电子股份有限公司 | Method for automatically switching address of external proxy server |
| CN103297564B (en) * | 2013-07-03 | 2016-12-28 | 深圳市共进电子股份有限公司 | A kind of method of external proxy server address of automatically switching |
| CN110138872A (en) * | 2016-06-30 | 2019-08-16 | 上海智臻智能网络科技股份有限公司 | A kind of computer-readable medium for network agent |
| CN110138872B (en) * | 2016-06-30 | 2022-02-25 | 上海智臻智能网络科技股份有限公司 | Computer readable medium for network proxy |
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Application publication date: 20100630 |