CN112217916A - Novel caching method and system for industrial internet identification resolution recursive server - Google Patents
Novel caching method and system for industrial internet identification resolution recursive server Download PDFInfo
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Abstract
The invention relates to the technical field of industrial internet identification analysis and network, in particular to a novel caching method and a system of an industrial internet identification analysis recursive server. Meanwhile, a second-level node cache queue is newly established for caching IP address information corresponding to the second-level node, so that if the recursive server is not locally cached, whether the second-level node cache queue has a second-level node address or not can be checked, if the second-level node cache queue has the second-level node address, a request is directly sent to the second-level node to acquire corresponding identification information, the interactive operation with the top-level node is reduced, and the pressure and bandwidth load of the top-level node are reduced. The invention can reduce the frequency of frequent interaction with the top-level node, and is beneficial to improving the working efficiency of the industrial internet identification analysis cache.
Description
Technical Field
The invention relates to a novel caching method and system for an industrial internet identification analysis recursive server, and belongs to the technical field of industrial internet identification analysis and networks.
Background
The industrial internet identity resolution system functions similarly to the internet domain name resolution system (DNS), like a "dictionary" of industrial internet appliances. On the public internet, a user can access a website by inputting a website address by means of a DNS domain name resolution system. In the industrial internet, a user can access a server for storing relevant information such as machines, materials, parts and products through an industrial internet identification analysis system. The whole industrial internet identification analysis architecture system comprises top-level nodes, second-level nodes, recursive nodes and enterprise nodes.
The industrial internet identification analysis recursive server is a key entry facility of an identification analysis system, and the overall service performance is improved by technical means such as caching and the like. When the recursive server receives an identification analysis request of the client, whether a cache query result exists in a local cache is checked, and if not, the recursive server requests the top-level node of the industrial internet to acquire the position information of the server of the second-level node. The recursion server continues to request the second-level node server for the query identifier until the information corresponding to the identifier is finally obtained, returns the information to the client and caches the request result. The cache function can effectively improve the efficiency of identification analysis and reduce the consumption of bandwidth. Efficient operation of the recursive server cache is a key factor in ensuring the level of recursive services and even overall identity resolution services.
Since the information registered by the enterprise identifier is stored in the second-level node, it can be seen from the above conventional caching process that when the recursive server has no caching result or the cache is expired, the recursive server needs to interact with the top-level node to obtain the IP address corresponding to the second-level node, and with the massive application of the industrial internet identifier resolution, the recursive node frequently interacts with the top-level node, resulting in response pressure of the top-level node.
The top level node is communicated with international root nodes of various identification systems, is also communicated with various domestic second level nodes and recursion nodes, and has management support capabilities of filing, monitoring, authentication, emergency and the like. Therefore, there is a need to reduce interactions with top-level nodes and satisfy the requirements of client identity resolution requests by optimizing recursive flows.
Disclosure of Invention
The invention provides a novel caching method and system for an industrial Internet identification resolution recursive server. The original caching method of the recursive server is not changed, the identification and the information with higher query frequency can be dynamically adjusted to the caching queue until the identification is deleted because TTL expires or discarded because the caching queue reaches the upper limit of the length. Meanwhile, a second-level node cache queue is newly established for caching IP address information corresponding to the second-level node, so that if the recursive server is not locally cached, whether the second-level node cache queue has a second-level node address or not can be checked, if the second-level node cache queue has the second-level node address, a request is directly sent to the second-level node to acquire corresponding identification information, the interactive operation with the top-level node is reduced, and the pressure and bandwidth load of the top-level node are reduced.
The invention provides a novel industrial internet identification analysis recursive server caching system and a novel industrial internet identification analysis recursive server caching method.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the invention provides a novel cache system of an industrial internet identification analysis recursive server, which is characterized in that: the cache system of the invention belongs to recursive nodes and does not comprise other nodes; the industrial networking identification analysis system architecture comprises a client, a recursion node, a second-level node and a top-level node.
Preferably, the client refers to a device for a user to initiate an industrial internet identity resolution request;
preferably, the recursive node checks whether cache data exists locally when receiving a query request from a user, and if so, returns the cache data to the client; if not, the client is replaced to carry out recursive query on the top node, and the identification information is obtained and returned to the client. The secondary node stores information data with identification corresponding to the information;
preferably, the top level node stores the addresses of the IP servers corresponding to all the second level nodes.
The invention also provides a novel caching method for the industrial Internet identification resolution recursive server, which is characterized by comprising the following steps:
the industrial internet recursive server cache mainly comprises two parts: and identifying a data cache queue and a second-level node cache queue. The identification data cache queue mainly caches specific identification information data, and the second-level node cache queue caches corresponding information of a second-level node service IP address. And the setting of the caching duration is supported.
When the recursive server receives the query request from the user, the recursive server checks whether the identification data cache queue has a cache result, and if so, the identification data cache queue returns a response result to the client. And if the data cache queue is not identified or the cache is expired, the next step is carried out.
And checking whether the second-level node cache queue has information corresponding to the service IP address of the second-level node. If yes, directly sending a query request to the IP address of the second-level node analysis server, returning response information returned by the second-level node analysis server to the user, and simultaneously newly adding (updating) an identification data cache queue. And entering the next step if the cache queue of the second-level node is not available or the cache is overdue.
The recursive server sends a query request to the top node, and the top node returns a service IP address of the second node. The second level node service IP address relationship is added (updated) to the second level node cache queue. The recursion server sends a query request to the second-level node analysis server, returns the returned response information to the user, and simultaneously adds (updates) the corresponding response information to the identification data cache queue.
The method can be mainly summarized as the following steps:
step 1, a client initiates 88.111.1/abcd identifier corresponding information request query to a recursion node, and then step 2 is carried out;
step 2, the recursive server preferentially checks whether the identification data cache queue has cache data corresponding to the identification 88.111.1/abcd, if so, the recursive server enters step 10; if the result is not cached, entering step 3;
step 4, the recursive server requests the query result of 88.111.1/abcd from the secondary node 1.1.1 server; the secondary node inquires 88.111.1/abcd identification information and enters step 5;
8, the top level node returns 88.111 the analytic position 1.1.1.1 of the second level node to the recursion node; entering a step 9;
and step 10, returning the analysis result corresponding to the 88.111.1/abcd identifier to the client.
Preferably, in the steps 3, 4, 5, 6, and 10, if the queried identifier is not in the identifier data cache queue, checking whether the second-level node cache queue has IP server address information storing the identifier; if the two nodes exist, the recursion node directly initiates an identification query request to the second-level node, updates the identification data cache queue and returns the response information to the user.
Preferably, in step 7-9, if the queried identifier is not in the identifier data cache queue and the second-level node cache queue does not store the IP server address information of the identifier, the recursive server sends a second-level node IP address query request to the top-level node, and adds corresponding response information to the second-level node cache queue.
Preferably, the caching method comprises the steps of identifying a data caching queue and a second-level node caching queue list; when receiving a query request from a user, the recursive server checks whether the queried identifier is in the identifier data cache queue, and if so, the recursive server returns the result to the client; if not, checking whether the second-level node cache queue has the IP address stored by the identification, if so, sending an identification request to the second-level node IP address by the recursive server, updating the identification data cache queue, and simultaneously returning the response information to the user.
Preferably, if the queried domain name does not belong to the identification data cache queue and the second-level node cache queue does not store the identified IP address, the recursive server sends a second-level node IP address query request to the top-level node, stores the received IP address information in the second-level node cache queue, initiates the identification query request to the second-level node IP address, obtains the identification query result, stores the identification query result in the identification data cache queue, and simultaneously returns the result to the client, so that the interactive operation with the top-level node is greatly reduced, and the pressure and bandwidth load of the top-level node are reduced.
The recursive server provided by the invention optimizes the existing caching mechanism and constructs a two-level caching mechanism of the identification data caching queue and the second-level node caching queue. The identification data cache queue can store a large number of high-frequency identifications, improve the access efficiency and the hit rate of the recursive server cache, and reduce the service pressure of the second-level node. The second-level node cache queue stores hot second-level node service IP address information, reduces the interaction pressure with the top-level node, and simultaneously, quickly interacts with the second-level node to greatly meet the requirement of low time delay of the industrial internet.
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FIG. 1 is a system diagram of a novel industrial Internet identity resolution recursive server caching method and system;
fig. 2 is a flow chart of a novel caching method and system for an industrial internet identity resolution recursive server.
Detailed Description
The following describes a novel caching method and system for an industrial internet id parsing recursive server according to the present invention, with reference to the accompanying drawings, but the present invention is not limited thereto.
The invention provides a novel industrial internet identification resolution recursive server cache system, which belongs to recursive nodes and does not comprise other nodes; the industrial networking identification analysis system architecture comprises a client, a recursion node, a second-level node and a top-level node.
Preferably, the client refers to a device for a user to initiate an industrial internet identity resolution request;
preferably, the recursive node checks whether cache data exists locally when receiving a query request from a user, and if so, returns the cache data to the client; if not, the client is replaced to carry out recursive query on the top node, and the identification information is obtained and returned to the client. The secondary node stores information data with identification corresponding to the information;
preferably, the top level node stores the addresses of the IP servers corresponding to all the second level nodes.
The invention also provides a novel caching method and a novel caching system for the industrial Internet identification resolution recursive server, the original caching method of the recursive server related by the method is unchanged, and the identification and the information with higher query frequency can be dynamically adjusted to the caching queue until the identification is deleted because TTL expires or is abandoned because the caching queue reaches the upper limit of the length. Meanwhile, a second-level node cache queue is newly established for caching IP address information for second-level node pairs, so that if the recursive server is not locally cached, whether the second-level node cache queue has a second-level node address or not can be checked, if the second-level node cache queue has the second-level node address, a request is directly sent to the second-level node to acquire corresponding identification information, and interaction operation with a top-level node is reduced, so that the pressure and bandwidth load of the top-level node are reduced, the frequency of frequent interaction with the top-level node is reduced, and the working efficiency of industrial internet identification analysis caching is;
the method comprises the following steps:
step 1, a client initiates 88.111.1/abcd identifier corresponding information request query to a recursion node, and then step 2 is carried out;
step 2, the recursive server preferentially checks whether the identification data cache queue has cache data corresponding to the identification 88.111.1/abcd, if so, the recursive server enters step 10; if the result is not cached, entering step 3;
step 4, the recursive server requests the query result of 88.111.1/abcd from the secondary node 1.1.1 server; the secondary node inquires 88.111.1/abcd identification information and enters step 5;
8, the top level node returns 88.111 the analytic position 1.1.1.1 of the second level node to the recursion node; entering a step 9;
and step 10, returning the analysis result corresponding to the 88.111.1/abcd identifier to the client.
As a possible implementation manner, in the steps 3, 4, 5, 6, and 10, if the queried identifier is not in the identifier data cache queue, checking whether there is IP server address information storing the identifier in the second-level node cache queue; if the two nodes exist, the recursion node directly initiates an identification query request to the second-level node, updates the identification data cache queue and returns the response information to the user.
As a possible implementation manner, in step 7-9, if the queried identifier is not in the identifier data cache queue, and the second level node cache queue does not store the IP server address information of the identifier, the recursive server sends a second level node IP address query request to the top level node, and adds corresponding response information to the second level node cache queue.
As a possible implementation, the caching method includes identifying a data cache queue and a secondary node cache queue list; when receiving a query request from a user, the recursive server checks whether the queried identifier is in the identifier data cache queue, and if so, the recursive server returns the result to the client; if not, checking whether the second-level node cache queue has the IP address stored by the identification, if so, sending an identification request to the second-level node IP address by the recursive server, updating the identification data cache queue, and simultaneously returning the response information to the user.
As a possible implementation mode, if the queried domain name does not belong to the identification data cache queue and the second-level node cache queue does not store the identified IP address, the recursive server sends a second-level node IP address query request to the top-level node, stores the received IP address information in the second-level node cache queue, initiates the identification query request to the second-level node IP address, obtains the identification query result, stores the identification query result in the identification data cache queue, and simultaneously returns the result to the client, so that the interactive operation with the top-level node is greatly reduced, and the pressure and bandwidth load of the top-level node are reduced.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a novel industry internet sign analysis recursion server's cache system which characterized in that: the cache system of the invention belongs to recursive nodes and does not comprise other nodes; the industrial networking identification analysis system architecture comprises a client, a recursion node, a second-level node and a top-level node.
2. The caching system of the industrial internet identification resolution recursive server as claimed in claim 1, wherein: in the system architecture, the client refers to equipment for initiating an industrial internet identification analysis request by a user; the recursive node checks whether cache data exists locally or not when receiving a query request from a user, if so, the cache data is returned to the client, if not, the recursive node replaces the client to perform recursive query on the top node, and identification information is obtained and returned to the client; the secondary node stores information data with identification corresponding to the information; and the top level node stores the IP server addresses corresponding to all the second level nodes.
3. A novel caching method for an industrial Internet identification resolution recursive server is characterized by comprising the following steps:
step 1, a client initiates 88.111.1/abcd identifier corresponding information request query to a recursion node, and then step 2 is carried out;
step 2, the recursive server preferentially checks whether the identification data cache queue has cache data corresponding to the identification 88.111.1/abcd, if so, the recursive server enters step 10; if the result is not cached, entering step 3;
step 3, inquiring whether the second-level node cache queue has an IP position relation corresponding to the second-level node 88.111; if yes, step 4 is carried out, for example, the secondary node 88.111 resolves the server corresponding to 1.1.1.1; if step 7 is not entered;
step 4, the recursive server requests the query result of 88.111.1/abcd from the secondary node 1.1.1 server; the secondary node inquires 88.111.1/abcd identification information and enters step 5;
step 5, sending the query result to a recursive server, and entering step 6;
step 6, the recursion server adds the result to the identification data cache queue and enters step 10;
step 7, the recursion server requests 88.111 the analytic position of the second level node from the top level node server; entering a step 8;
8, the top level node returns 88.111 the analytic position 1.1.1.1 of the second level node to the recursion node; entering a step 9;
step 9, adding 88.111 corresponding IP positions in a cache queue of a second-level node of the recursive server; entering the step 4;
and step 10, returning the analysis result corresponding to the 88.111.1/abcd identifier to the client.
4. The novel caching method for the industrial internet identification resolution recursive server as claimed in claim 3, wherein: in the steps 3, 4, 5, 6 and 10, if the inquired identifier is not in the identifier data cache queue, checking whether the address information of the IP server storing the identifier exists in the second-level node cache queue; if the two nodes exist, the recursion node directly initiates an identification query request to the second-level node, updates the identification data cache queue and returns the response information to the user.
5. The novel caching method for the industrial internet identification resolution recursive server as claimed in claim 3, wherein: in step 7-9, if the queried identifier is not in the identifier data cache queue and the second-level node cache queue does not store the IP server address information of the identifier, the recursive server sends a second-level node IP address query request to the top-level node, and adds corresponding response information to the second-level node cache queue.
6. The novel caching method for the industrial internet identification resolution recursive server as claimed in claim 3, wherein: the caching method comprises the steps of identifying a data caching queue and a secondary node caching queue list; when receiving a query request from a user, the recursive server checks whether the queried identifier is in the identifier data cache queue, and if so, the recursive server returns the result to the client; if not, checking whether the second-level node cache queue has the IP address stored by the identification, if so, sending an identification request to the second-level node IP address by the recursive server, updating the identification data cache queue, and simultaneously returning the response information to the user.
7. The novel caching method for the industrial internet identity resolution recursive server according to any one of claims 3 to 6, wherein: if the queried domain name does not belong to the identification data cache queue and the second-level node cache queue does not store the identified IP address, the recursive server sends a second-level node IP address query request to the top-level node, stores the received IP address information in the second-level node cache queue, initiates the identification query request to the second-level node IP address, obtains the identification query result, stores the identification query result in the identification data cache queue, and simultaneously returns the result to the client, so that the interactive operation with the top-level node is greatly reduced, and the pressure and bandwidth load of the top-level node are reduced.
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| CN113726914A (en) * | 2021-11-04 | 2021-11-30 | 中国信息通信研究院 | Equipment interoperation method and device based on industrial internet identification |
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| CN113972986A (en) * | 2021-09-22 | 2022-01-25 | 北京邮电大学 | Block chain-based industrial internet identification information analysis method and related device |
| CN114465945A (en) * | 2022-03-25 | 2022-05-10 | 江苏省未来网络创新研究院 | Identification analysis network construction method based on SDN |
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| CN115277852A (en) * | 2022-07-21 | 2022-11-01 | 网络通信与安全紫金山实验室 | Block chain-based industrial internet identification credibility verification method, device, equipment and medium |
| CN115277852B (en) * | 2022-07-21 | 2024-05-28 | 网络通信与安全紫金山实验室 | Block chain-based industrial Internet identification credibility verification method, device, equipment and medium |
| CN116204693A (en) * | 2023-04-27 | 2023-06-02 | 中国信息通信研究院 | Identification analysis method and device based on industrial Internet, equipment and medium |
| CN116955354A (en) * | 2023-06-30 | 2023-10-27 | 国家电网有限公司大数据中心 | Identification analysis method and device for energy digital networking |
| CN116939063A (en) * | 2023-07-17 | 2023-10-24 | 山东未来网络研究院(紫金山实验室工业互联网创新应用基地) | Active identification terminal, method and medium |
| CN116939063B (en) * | 2023-07-17 | 2024-04-05 | 山东未来网络研究院(紫金山实验室工业互联网创新应用基地) | Active identification terminal, method and medium |
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