CN102664973B - Method and device for updating IP (Internet Protocol) address - Google Patents
Method and device for updating IP (Internet Protocol) address Download PDFInfo
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Abstract
The invention provides a device for updating an IP (Internet Protocol) address. The device comprises a NetBIOS (network basic input/output system) processing module and an outer domain address processing module, wherein the NetBIOS processing module is used for sending a NetBIOS register message carrying an own domain code and an IP address of an own networking unit to a Wins server after the own networking unit is on line so as to enable the Wins server to record the correspondence of the domain code and the IP address, also inquiring the domain code of an outer domain networking unit in an outer domain list of the own networking unit after the own networking unit is on line and initiating a NetBIOS inquiry named as the domain code of the outer domain networking unit so as to acquire the IP address of the outer domain networking unit reacted by the Wins server; and the outer domain address processing module is used for updating the IP address of the outer domain networking unit in the outer domain list. The invention also provides a method for updating the IP address by adopting the same conception. According to the invention, the networking unit can rapidly inquire the IP addresses of other networking units by virtue of a NetBIOS manner so as to automatically update the own outer domain information and further notice the other networking units to update automatically when the own IP address is changed.
Description
Technical field
The present invention relates to field of video monitoring, particularly relate to a kind of method and apparatus upgrading networking unit IP address.
Background technology
In the interconnected monitoring system of multistage multi-domain, its monitoring model is the networking model in the multiple territories that there are multistage membership credentials.Higher level territory can realize and the interconnecting of multiple subordinate domain, and also can realize interconnecting each other between sane level territory.Interconnecting between territory needs networking unit to be responsible for realizing session control order in networking process, the transmission of Media Stream and network management data and conversion.Networking unit is the logic entity of the trans-regional networking share interface of composition video monitoring system, can independently apparatus-form exist or be built in the monitoring server in area video supervisory control system.
The information such as in existing scheme, between the territory of monitoring, relation is all realized by assigned ip address, namely configures the IP address of other networking unit on networking unit, and encode in territory, subscriber-coded, after having configured, register flow path between two interconnection unit initiated domain.After having registered, carry out monitoring business process.But when networking unit uses the mode of DHCP and so on to obtain IP address, the address of networking unit will not be fixing IP address.Therefore, after the address of networking unit is changed, need again the relation between manual configuration territory, and manual configuration will increase the fussy degree of information change between territory, is the mode being not easy to be easily accepted by a user.
Summary of the invention
In view of this, the invention provides a kind of device upgrading IP address, the networking unit of this application of installation in cross-domain supervisory control system, this device comprises: NetBIOS processing module, carrying self this networking unit own domain coding and the NetBIOS logon message of IP address to Wins server for sending after self networking unit is reached the standard grade, encoding for this territory of Wins server record and the corresponding relation of IP address; In the outer domain list of self networking unit, the territory coding of foreign lands networking unit is inquired about after also reaching the standard grade for self networking unit, initiate the NetBIOS inquiry being encoded to title with networking unit territory, foreign lands, to obtain the IP address of this foreign lands networking unit of Wins server feedback; Foreign lands address processing module, for upgrading the IP address of the foreign lands networking unit in outer domain list.
This device also comprises, Self address processing module, interconnecting relation is not set up and after inquired the IP address of foreign lands networking unit by NetBIOS processing module for self networking unit and foreign lands networking unit, IP for the purpose of the IP address of foreign lands networking unit, the IP address of self networking unit is that source IP sends notice message to this foreign lands networking unit, and wherein this notice message carries the territory coding of self networking unit; Or for self networking unit and the built vertical interconnecting relation of foreign lands networking unit and self networking unit IP address changes time, obtained the IP address of foreign lands networking unit by the outer domain list inquiring about self networking unit after, IP for the purpose of the IP address of this foreign lands networking unit, send to this overseas foreign lands networking unit the notice message that the IP address after with change is source IP, this notice message carries the territory coding of self networking unit; Described NetBIOS processing module, time also for occurring in the IP address of self networking unit to change, sends the NetBIOS logon message of self networking unit territory coding and the rear IP address of change to upgrade the record on Wins server.
Self address processing module, also for confirming the confirmation message whether receiving foreign lands networking unit transmission after sending notice message in predetermined time, if not, resends notice message.
Foreign lands address processing module, for after receiving the notice message that foreign lands networking unit sends, judges that the territory coding of the foreign lands networking unit that this notice message carries is whether in the outer domain list of self networking unit, if so, and notice NetBIOS processing module; The object IP of this notice message is the IP address of this self networking unit, and source IP address is the IP address of foreign lands networking unit; NetBIOS processing module, the NetBIOS inquiry being encoded to title with this networking unit territory, foreign lands is initiated, to obtain the IP address of this foreign lands networking unit of Wins server feedback when the territory of the foreign lands networking unit that the notice message being further used for sending at foreign lands networking unit carries is coded in the outer domain list of self networking unit; Foreign lands address processing module, if the IP address of this foreign lands networking unit of feedback is identical with the source IP address in the notice message that foreign lands networking unit sends, upgrades the IP address of this foreign lands networking unit in the outer domain list of self networking unit.
Foreign lands address processing module, sends confirmation message to foreign lands networking unit when the IP address for this foreign lands networking unit in described feedback is identical with the source IP address in the notice message that foreign lands networking unit sends.
The present invention also provides a kind of method upgrading IP address, the method is applied on the networking unit of cross-domain video monitoring system, the method comprises, this networking unit sends own domain coding and the NetBIOS logon message of IP address to Wins server after reaching the standard grade, encode and the corresponding relation of IP address for this territory of Wins server record; This networking unit inquires about the territory coding of foreign lands networking unit in the outer domain list of this networking unit after reaching the standard grade, initiate the NetBIOS inquiry being encoded to title with networking unit territory, foreign lands, to obtain the IP address of this foreign lands networking unit of Wins server feedback; This networking unit upgrades the IP address of the foreign lands networking unit in outer domain list.
This networking unit and foreign lands networking unit do not set up interconnecting relation and after inquiring the IP address of foreign lands networking unit, send IP for the purpose of the IP address of this foreign lands networking unit, own IP address is the notice message of source IP, and this notice message carries the territory coding of this networking unit self; Or when this networking unit and the built vertical interconnecting relation of foreign lands networking unit and own IP address change, send the NetBIOS logon message of own domain coding and the rear IP address of change to upgrade the record on Wins server, and after obtaining the IP address of foreign lands networking unit by the outer domain list inquiring about self networking unit, IP for the purpose of the IP address of this foreign lands networking unit, sending to this foreign lands networking unit the notice message that the IP address after with change is source IP, encodes in the territory that this notice message carries self.
This networking unit confirms in predetermined time, whether to receive the confirmation message that foreign lands networking unit sends after transmission notice message; If do not received, this networking unit resends notice message.
After this networking unit receives the notice message of foreign lands networking unit transmission, judge that the territory coding of the foreign lands networking unit that this notice message carries is whether in the outer domain list of self, the object IP of this notice message is the IP address of this networking unit, and source IP address is the IP address of foreign lands networking unit; If so, the NetBIOS inquiry being encoded to title with this networking unit territory, foreign lands is initiated, to obtain the IP address of this foreign lands networking unit of Wins server feedback; If the IP address of this foreign lands networking unit of Wins server feedback is identical with the source IP address in the notice message that foreign lands networking unit sends, upgrade the IP address of this foreign lands networking unit in self outer domain list.
Confirmation message is sent to foreign lands networking unit when the IP address of this foreign lands networking unit of Wins server feedback is identical with the source IP address in the notice message that foreign lands networking unit sends.
Beneficial effect of the present invention: by the mode of NetBIOS, make networking unit can inquire the IP address of other networking unit rapidly thus upgrade self foreign lands information list, and notify other networking unit further when own IP address changes, make other networking unit associated therewith in monitor network can get the information of IP address change in time, thus the IP address of self outer domain information China and foreign countries territory networking unit that upgrades in time, the process that whole IP address upgrades does not need artificial participation, not only convenient but also rapid.
Accompanying drawing explanation
Fig. 1 is networking unit interconnection network schematic diagram.
Fig. 2 is embodiment of the present invention device building-block of logic.
Embodiment
Below in conjunction with Fig. 1 ~ Fig. 2, the embodiment of the present invention is described in detail.Fig. 1 is the network diagram that two networking unit connect.These two networking unit are used for connecting different monitoring territories.Fig. 2 is a kind of building-block of logic upgrading the device of IP address in networking unit of the present invention.The device of this renewal IP address comprises NetBIOS processing module, foreign lands address processing module, Self address processing module.The detailed embodiment of the embodiment of the present invention is described below.
Step 1, networking unit send own domain coding and the NetBIOS logon message of IP address to Wins server after reaching the standard grade, for the corresponding relation of this territory of Wins server record coding and IP address.Step 1 is performed by NetBIOS processing module.
As Fig. 1, for networking unit A, this networking unit is arranged in cross-domain video surveillance network, after networking unit A reaches the standard grade, sends the NetBIOS logon message of own domain coding and own IP address.After Wins server in network receives this logon message, the territory of networking unit A coding and IP address corresponding relation are recorded in this locality for other networking unit (as networking unit B) by the IP address lookup of NetBIOS name initiation to networking unit A.Also as networking unit A, send the NetBIOS logon message of own domain coding and own IP address after networking unit B reaches the standard grade, encode and IP address to make its territory of Wins server record.Territory coding is as the unique identification of networking unit in cross-domain video monitoring system, and the netbios name being used to form networking unit is registered on Wins server.
Step 2, networking unit inquire about the territory coding of foreign lands networking unit in the outer domain list of self after reaching the standard grade, initiate the NetBIOS inquiry being encoded to NetBIOS name with networking unit territory, foreign lands, to obtain the IP address of this foreign lands networking unit of Wins server feedback.Step 2 is also performed by NetBIOS processing module.
Networking unit preserves the territory coded message of foreign lands networking unit outside this locality in domain list, this information is generally pre-configured.After networking unit A reaches the standard grade, inquire about the territory coding of self outer domain list China and foreign countries territory networking unit, such as inquire the territory coding of networking unit B, networking unit A is just encoded to NetBIOS name with the territory of networking unit B and initiates NetBIOS inquiry.If networking unit A also inquires the territory coding of networking unit C except the territory coding inquiring networking unit B certainly, be encoded to NetBIOS name with the territory of networking unit C equally and initiate NetBIOS inquiry.The IP address of the territory coding correspondence of Wins server feedback networking unit B.Such networking unit A just obtains the IP address of networking unit B.
Step 3, networking unit upgrade the IP address of the foreign lands networking unit in outer domain list.Step 3 is performed by foreign lands address processing module.
Networking unit A, behind the IP address obtaining networking unit B, adds the IP address of networking unit B in the outer domain list of self.If networking unit A is positioned at subordinate domain, networking unit B is positioned at higher level territory, or networking unit A and networking unit B belongs to territory at the same level, and networking unit A IP for the purpose of the IP address of networking unit B registers to networking unit B.After having registered, networking unit A and networking unit B is just in interconnected state.Follow-up, when the address of networking unit A occurs to change, with regard to IP for the purpose of the IP address of direct networking unit B in self outer domain list, send address change notice message.
Step 4, networking unit and foreign lands networking unit do not set up interconnecting relation and after inquiring the IP address of foreign lands networking unit, send IP for the purpose of the IP address of this foreign lands networking unit, own IP address is the notice message of source IP, and this notice message carries the territory coding of this networking unit self.Step 4 is performed by Self address processing module.
Still set forth for networking unit A and networking unit B.When networking unit B reaches the standard grade also can step 1, step 2 mode obtain the IP address of networking unit A.If but networking unit A online after power-down rebooting again, networking unit B saves the IP address before networking unit A power-down rebooting, and networking unit A is restarted rear IP address and be may have occurred change, but networking unit B not knowing.So, this situation is known in order to allow networking unit B, (now do not occur interconnected with networking unit B) after networking unit A reaches the standard grade, by NetBIOS mode behind the IP address obtaining foreign lands networking unit B, send IP for the purpose of this IP address, own IP address is the notice message of source IP, and this notice message carries the territory coding of networking unit A; Networking unit B receives this notice message, whether the territory coding first judging to carry in this message is in self outer domain list, if, the territory sent in notice message is encoded to the IP address of the NetBIOS inquiry of NetBIOS name thus the networking unit A of acquisition Wins server feedback, otherwise does not process.Networking unit B judges after obtaining the IP address of the networking unit A of Wins server feedback that whether this IP address is consistent with the source IP address of notice message, if consistent, IP address corresponding for networking unit A territory coding in self outer domain list is changed to the source IP address of notice message by networking unit B, further, networking unit B can send confirmation message to networking unit A; If inconsistent, then do not process.
Step 5, networking unit and foreign lands networking unit set up interconnecting relation and self networking unit IP address changes time, send the NetBIOS logon message of own domain coding and the IP address after changing to upgrade the record on Wins server, and inquire the IP address of foreign lands networking unit from self domain list after, send IP for the purpose of the IP address inquired, the notice message that IP address after changing with this networking unit is source IP, this notice message carries the territory coding of this networking unit self.Step 4 is performed by Self address processing module.
For networking unit A and networking unit B, when networking unit A and networking unit B occurs interconnected, the IP address of the other side is all preserved in the outer domain list of networking unit A and networking unit B, the I P address of networking unit A is because the change of certain reason there occurs change (such as, the DHCP lease of networking unit A is expired, Dynamic Host Configuration Protocol server is assigned with a new IP address to networking unit A), networking unit A sends the NetBIOS logon message of own domain coding and the IP address after changing to upgrade the record on Wins server, the correct IP address of networking unit A with what ensure that other inquiry inquires, in addition, after networking unit A needs to inquire the IP address of foreign lands networking unit B by message informing networking unit B: the networking unit A of own IP address change from self domain list, send IP for the purpose of the IP address of networking unit B, IP address after this networking unit A changes is the notice message of source IP, and this notice message carries the territory coding of networking unit A.If networking unit A also may find the IP address of other foreign lands networking unit from self outer domain list, same these foreign lands networking unit of giving send notice message.Networking unit B receives this notice message, whether the territory coding first judging to carry in this message is in self outer domain list, if, send to notify that the territory in message is encoded to the IP address of the NetBIOS inquiry of NetBIOS name thus the networking unit A of acquisition Wins server feedback, otherwise do not process.Networking unit B judges after obtaining the IP address of the networking unit A of Wins server feedback that whether this IP address is consistent with the source IP address of notice message, if consistent, I P address corresponding for networking unit A territory coding in self outer domain list is changed to the source IP address of notice message by networking unit B, further, networking unit B can send confirmation message to networking unit A; If inconsistent, then do not process.
Step 6, networking unit confirm in predetermined time, whether to receive the confirmation message that foreign lands networking unit sends after transmission notice message; If do not received, this networking unit resends notice message.Step 6 is also performed by Self address processing module.
When for the purpose of the IP address of the foreign lands networking unit that networking unit A inquires in self outer domain list, IP sends notice message, (likely this IP is not up-to-date IP, such as now the IP address of networking unit B also there occurs change), networking unit B likely can not receive the notice message of networking unit A.So after networking unit A sends above-mentioned notice message, need to confirm whether this notice message is networked unit B and receives, so just whether monitoring has the confirmation message receiving networking unit B and feed back, if do not received, networking unit A resends notice message after inquiring about IP address corresponding to networking unit B territory coding by NetBIOS.In general, the IP address on NetBIOS is up-to-date.Certainly, if IP resends notice message for the purpose of the IP address of networking unit B that inquires by NetBIOS of networking unit A, still do not receive confirmation message, then again send notice message.
After step 7, networking unit receive the notice message of foreign lands networking unit transmission, judge that the territory coding of the foreign lands networking unit that this notice message carries is whether in the outer domain list of self, the object IP of this notice message is the IP address of this networking unit, and source IP address is the IP address of foreign lands networking unit; If so, the Net BIOS initiating to be encoded to this networking unit territory, foreign lands title inquires about, to obtain the IP address of this foreign lands networking unit of Wins server feedback; If the IP address of this foreign lands networking unit of Wins server feedback is identical with the source IP address in the notice message that foreign lands networking unit sends, upgrade the IP address of this foreign lands networking unit in self outer domain list.Step 7 is performed by networking unit IP process address, foreign lands.
The order of above-mentioned steps 1 ~ step 7 can adjust to some extent, in fact describes by the mode of step and just conveniently understands, and does not represent ordinal relation inevitable between step.The processing mode that such as step 4 and step 5 are different under belonging to different situations, actual do not have strict ordinal relation.
Networking unit A in above-mentioned example and networking unit B belongs to the relation of equity in the present invention, namely in the present invention, performing an action of networking unit A can occur on networking unit B, performing an action of networking unit B also can occur on networking unit A, the functional module networking unit B that networking unit A has in logic has, and the functional module networking unit A that networking unit B has in logic also has.Certainly.Just describe the situation of two networking unit in example, in reality, multiple networking unit can perform with reference to the situation of two networking unit equally.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (6)
1. upgrade a device for IP address, the networking unit of this application of installation in cross-domain supervisory control system, is characterized in that, this device comprises:
NetBIOS processing module, carries self this networking unit own domain coding and the NetBIOS logon message of IP address to Wins server for sending after self networking unit is reached the standard grade, and encodes and the corresponding relation of IP address for this territory of Wins server record; In the outer domain list of self networking unit, the territory coding of foreign lands networking unit is inquired about after also reaching the standard grade for self networking unit, initiate the NetBIOS inquiry being encoded to title with networking unit territory, foreign lands, to obtain the IP address of this foreign lands networking unit of Wins server feedback;
Foreign lands address processing module, for upgrading the IP address of the foreign lands networking unit in outer domain list;
This device also comprises,
Self address processing module, interconnecting relation is not set up and after inquired the IP address of foreign lands networking unit by NetBIOS processing module for self networking unit and foreign lands networking unit, IP for the purpose of the IP address of foreign lands networking unit, the IP address of self networking unit is that source IP sends notice message to this foreign lands networking unit, and wherein this notice message carries the territory coding of self networking unit; Or for self networking unit and the built vertical interconnecting relation of foreign lands networking unit and self networking unit IP address changes time, obtained the IP address of foreign lands networking unit by the outer domain list inquiring about self networking unit after, IP for the purpose of the IP address of this foreign lands networking unit, send to this foreign lands networking unit the notice message that the IP address after with change is source IP, this notice message carries the territory coding of self networking unit;
Described NetBIOS processing module, time also for occurring in the IP address of self networking unit to change, sends the NetBIOS logon message of self networking unit territory coding and the rear IP address of change to upgrade the record on Wins server;
Foreign lands address processing module, for after receiving the notice message that foreign lands networking unit sends, judges that the territory coding of the foreign lands networking unit that this notice message carries is whether in the outer domain list of self networking unit, if so, and notice NetBIOS processing module; The object IP of this notice message is the IP address of this self networking unit, and source IP address is the IP address of foreign lands networking unit;
NetBIOS processing module, the NetBIOS inquiry being encoded to title with this networking unit territory, foreign lands is initiated, to obtain the IP address of this foreign lands networking unit of Wins server feedback when the territory of the foreign lands networking unit that the notice message being further used for sending at foreign lands networking unit carries is coded in the outer domain list of self networking unit;
Foreign lands address processing module, if the IP address of this foreign lands networking unit of feedback is identical with the source IP address in the notice message that foreign lands networking unit sends, upgrades the IP address of this foreign lands networking unit in the outer domain list of self networking unit.
2. device as claimed in claim 1, it is characterized in that, this device also comprises,
Self address processing module, also for confirming the confirmation message whether receiving foreign lands networking unit transmission after sending notice message in predetermined time, if not, resends notice message.
3. device as claimed in claim 1, it is characterized in that, this device also comprises,
Foreign lands address processing module, sends confirmation message to foreign lands networking unit when the IP address for this foreign lands networking unit in described feedback is identical with the source IP address in the notice message that foreign lands networking unit sends.
4. upgrade a method for IP address, the method is applied on the networking unit of cross-domain video monitoring system, it is characterized in that, the method comprises,
This networking unit sends own domain coding and the NetBIOS logon message of IP address to Wins server after reaching the standard grade, encode and the corresponding relation of IP address for this territory of Wins server record;
This networking unit inquires about the territory coding of foreign lands networking unit in the outer domain list of this networking unit after reaching the standard grade, initiate the NetBIOS inquiry being encoded to title with networking unit territory, foreign lands, to obtain the IP address of this foreign lands networking unit of Wins server feedback;
This networking unit upgrades the IP address of the foreign lands networking unit in outer domain list;
The method comprises, this networking unit and foreign lands networking unit do not set up interconnecting relation and after inquiring the IP address of foreign lands networking unit, send IP for the purpose of the IP address of this foreign lands networking unit, own IP address is the notice message of source IP, and this notice message carries the territory coding of this networking unit self; Or when this networking unit and the built vertical interconnecting relation of foreign lands networking unit and own IP address change, send the NetBIOS logon message of own domain coding and the rear IP address of change to upgrade the record on Wins server, and after obtaining the IP address of foreign lands networking unit by the outer domain list inquiring about self networking unit, IP for the purpose of the IP address of this foreign lands networking unit, sending to this foreign lands networking unit the notice message that the IP address after with change is source IP, encodes in the territory that this notice message carries self;
The method comprises,
After this networking unit receives the notice message of foreign lands networking unit transmission, judge that the territory coding of the foreign lands networking unit that this notice message carries is whether in the outer domain list of self, the object IP of this notice message is the IP address of this networking unit, and source IP address is the IP address of foreign lands networking unit; If so, the NetBIOS inquiry being encoded to title with this networking unit territory, foreign lands is initiated, to obtain the IP address of this foreign lands networking unit of Wins server feedback; If the IP address of this foreign lands networking unit of Wins server feedback is identical with the source IP address in the notice message that foreign lands networking unit sends, upgrade the IP address of this foreign lands networking unit in self outer domain list.
5. method as claimed in claim 4, is characterized in that, this networking unit confirms in predetermined time, whether to receive the confirmation message that foreign lands networking unit sends after transmission notice message; If do not received, this networking unit resends notice message.
6. method as claimed in claim 4, it is characterized in that, the method comprises,
Confirmation message is sent to foreign lands networking unit when the IP address of this foreign lands networking unit of Wins server feedback is identical with the source IP address in the notice message that foreign lands networking unit sends.
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| CN105610985B (en) * | 2016-03-14 | 2018-10-09 | 北京国电通网络技术有限公司 | A kind of synchronous method of server ip address |
| CN108563211B (en) * | 2017-12-22 | 2021-04-30 | 深圳市汇川技术股份有限公司 | Programmable logic controller detection system and method |
| CN109005075A (en) * | 2018-09-25 | 2018-12-14 | 江苏本能科技有限公司 | Traffic headend equipment networking method and system |
| CN109819063A (en) * | 2019-01-28 | 2019-05-28 | 上海市共进通信技术有限公司 | It realizes and automatically updates the lower method and system for hanging IP address of equipment function |
| CN113271326B (en) * | 2020-02-17 | 2024-06-11 | 阿里巴巴集团控股有限公司 | Network protocol address scheduling method and device and electronic equipment |
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