CN110460500B - Method and system for processing local area network instant communication network node abnormal offline - Google Patents
Method and system for processing local area network instant communication network node abnormal offline Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0659—Management of faults, events, alarms or notifications using network fault recovery by isolating or reconfiguring faulty entities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/54—Presence management, e.g. monitoring or registration for receipt of user log-on information, or the connection status of the users
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/04—Real-time or near real-time messaging, e.g. instant messaging [IM]
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Abstract
The embodiment of the invention discloses a method, a system and equipment for processing abnormal offline of a local area network instant messaging network node, which comprise the following steps: establishing a real-time online list and an abnormal offline list locally; acquiring information of the abnormal off-line network nodes in the real-time on-line list; deleting the abnormal off-line network node from a local real-time on-line list, and adding the abnormal off-line network node into the local abnormal off-line list; issuing early warning broadcast to other network nodes in the real-time online list, and announcing the abnormal offline network node in the early warning broadcast; and receiving early warning broadcast issued by other network nodes in the real-time online list. Compared with the prior art, the method and the system can find the abnormal off-line condition of the instant messaging network node, broadcast the off-line condition to other network nodes participating in instant messaging, avoid broadcast storm, and reduce flow overhead and network power consumption.
Description
Technical Field
The invention relates to the technical field of local area network instant messaging, in particular to a method and a system for processing abnormal offline of a local area network instant messaging network node.
Background
In the local area network shown in fig. 1, each network node participating in instant messaging needs to build and maintain a list locally, as shown in table 1, where the list records the conditions of the network nodes participating in instant messaging on the current network:
TABLE 1
| Node name | Node number | Node IP address |
| Test1 | 1 | 192.168.0.1 |
| Test2 | 2 | 192.168.0.2 |
| Test3 | 3 | 192.168.0.3 |
| Test4 | 4 | 192.168.0.4 |
| Test5 | 5 | 192.168.0.5 |
| Test6 | 6 | 192.168.0.6 |
| … | … | … |
If the network node does not have this list locally, then a network node participating in instant messaging would need to make a broadcast device discovery before each communication, which is very traffic inefficient and undesirable.
However, even if each network node has a local list locally stored that records the network nodes participating in the instant messaging service, there is a problem: the information recorded by the table and the current network condition are synchronized in real time. That is, whether any change in the network condition can be reflected in real time on the local list of each network node participating in instant messaging, such as network node exit, new network node join, etc.
When one network node in the instant messaging network exits abnormally, for example, the number 06, the power line of the network node named Test6 is suddenly pulled out, and at this time, the node Test6 cannot notify other network nodes, and the following three methods are generally adopted in the prior art to process:
in the first mode, each network node broadcasts the existence of the network node at regular time, and other network nodes participating in the communication of the instant messaging service receive at regular time; if a certain network node does not receive the existing broadcast of other network nodes after a certain time, the other network nodes are off-line abnormally, and the network nodes receiving the broadcast delete the off-line abnormally network nodes in the local list.
But there are two weaknesses in approach one:
1. a broadcast storm may occur in this way, because each network node participating in instant messaging broadcasts its own existence once every a period of time, for example, 1 second, if there are 253 network nodes participating in instant messaging in this network, 253 broadcast packets occur in that 1 second, and each network node participating in instant messaging needs to process 253 broadcast packets in 1 second, and updates its local timer. This results in very high power consumption and very low efficiency of the whole network.
2. Traffic failures can result because a network node participating in instant messaging is actually offline and the system still treats it as online for traffic failures. Assuming that the instant messaging interval is 1 second, when the last communication is completed and 0.01 second later, the network node a is off-line abnormally, and when the last communication is completed, the network node B needs to perform on-line service with the network node a, the network node a is off-line at this time, but the B needs to wait for 1 second to find the problem.
In the second mode, each network node regularly broadcasts a query of asking for who is on the network at present, and other network nodes participating in instant messaging respond. If the network node which originally responds does not respond now, the network node is considered to be off-line abnormally, and the off-line abnormally-off network node is deleted from the local on-line list.
The second method also has the problems of broadcast storm and traffic failure as described in the first method.
The method III does not process the abnormal off-line condition of the network node; as long as one network node and another network node are in instant communication successfully, the other network node is always stored in the local list of the network node until the startup operation is finished. The local list is updated at the next boot run. The local list of network nodes is only increased or not decreased in one power-on operation. If a network node exists in the local list and is actually offline, the instant communication service with the offline network node is ended in failure.
There are two obvious weaknesses with this approach:
1. the user experience is not good, one network node is offline but still exists in the local online list, which is obviously inconsistent with the actual network condition, the user can not timely prevent the failure of the instant messaging service due to the abnormal offline of the network node, and the success rate of the instant messaging service is reduced;
2. when an instant messaging network node is not in the network but is still in the local online list, the code to do business may cause a downtime.
Disclosure of Invention
Therefore, the embodiment of the invention provides a method for processing the abnormal offline of the instant messaging network node of the local area network, which aims to solve the problem of broadcast storm caused by the abnormal offline of the network node participating in the instant messaging in the prior art and avoid the problem of downtime caused by the failure of the transaction of the instant messaging service.
In order to achieve the above object, an embodiment of the present invention provides a method for processing an abnormal offline local area network instant messaging network node, where the method includes:
establishing a real-time online list and an abnormal offline list locally;
acquiring information of the abnormal off-line network nodes in the real-time on-line list;
deleting the information of the abnormal off-line network node from a local real-time on-line list, and adding the information of the abnormal off-line network node into the local abnormal off-line list;
and issuing early warning broadcast to other network nodes in the real-time online list, and announcing the information of the abnormal offline network node in the early warning broadcast.
Further, the method according to the embodiment of the present invention further includes receiving an early warning broadcast issued by other network nodes in the real-time online list.
Further, the method according to the embodiment of the present invention further includes inquiring the network node in the abnormal offline list in a unicast manner at regular time, and if an obtained response is obtained, deleting the information of the responded network node from the abnormal offline list and adding the deleted information to the real-time online list, and recovering the instant communication service.
Further, the real-time online list is used for recording node names, node numbers and node IP addresses of all online instant messaging network nodes.
Further, the abnormal offline list is used for recording node names, node numbers and node IP addresses of all the abnormal offline network nodes.
Further, the learning of the information of the network node which has an abnormal offline status in the real-time online list specifically includes: when instant communication service is carried out between the network node and each other network node in the local real-time online list, if the instant communication service between the network node and one of the network nodes fails, the one of the network nodes is an abnormal offline network node.
Further, the information of the network node which is abnormally offline in the real-time online list includes: and acquiring that the abnormal off-line network nodes exist in the real-time on-line list through the announcement content of the early warning broadcast.
According to a second aspect of the embodiments of the present invention, a system for processing an abnormal offline of a local area network instant messaging network node is provided, which includes a list establishing module, a network node module for obtaining an abnormal offline, a broadcast issuing module, a broadcast receiving module, a list updating module, and an early warning broadcast receiving module;
the list establishing module is used for establishing a real-time online list and an abnormal offline list;
the abnormal offline network node acquiring module is used for acquiring the information of the abnormal offline network nodes in the real-time online list during instant messaging;
the list updating module is used for deleting the information of the abnormal off-line network node from the real-time on-line list and adding the information of the abnormal off-line network node into the abnormal off-line list;
the publishing broadcast module is used for publishing the early warning broadcast to other network nodes in the real-time online list and advertising the information of the abnormal offline network node in the early warning broadcast.
According to a third aspect of embodiments of the present invention, there is provided a computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method of any one of the above when executing the computer program.
According to a fourth aspect of embodiments of the present invention there is provided a computer readable storage medium having stored thereon a computer program which, when executed by a processor, causes the processor to perform any of the methods described above.
Compared with the prior art, the embodiment of the invention has the following advantages:
1. the method for processing the abnormal offline of the local area network instant messaging network node can find the abnormal offline condition of the instant messaging network node in time, broadcast the offline condition to other network nodes participating in instant messaging, and avoid business traffic with the abnormal offline network node in an offline list mode;
2. the method for processing the abnormal offline of the local area network instant messaging network node can avoid the problem of broadcast storm and reduce the flow overhead and the network power consumption;
3. the processing method for the local area network instant messaging network node abnormal offline provided by the embodiment of the invention can timely find the instant messaging network node which is online again and recover the normal business traffic of the network node;
4. the method for processing the abnormal offline of the local area network instant messaging network node can greatly improve the robustness of instant messaging software based on the method.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical means in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.
FIG. 1 is a schematic diagram of a prior art local area network;
fig. 2 is a schematic diagram of a network node participating in instant messaging in a local area network according to an embodiment of the present invention, wherein a dark node represents the network node participating in instant messaging;
fig. 3 is a schematic diagram of a local area network after an abnormal offline network node occurs according to an embodiment of the present invention, wherein a dark node represents a network node participating in instant messaging.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a method for processing abnormal offline of a local area network instant messaging network node, which comprises the following specific steps:
step 1) each network node participating in instant messaging service establishes two lists at its local: one is a real-time online list as shown in table 2, and one is an abnormal offline list as shown in the table. The real-time online list is used for recording node names, node numbers and node IP addresses of all online network nodes participating in the instant messaging service. The abnormal offline list is used for recording node names, node numbers and node IP addresses of all the abnormal offline network nodes. And the abnormal off-line network node does not participate in the instant communication service.
Table 2 real-time online listing:
| node name | Node number | Node IP address |
| Test1 | 1 | 192.168.0.1 |
| Test2 | 2 | 192.168.0.2 |
| Test3 | 3 | 192.168.0.3 |
| Test4 | 4 | 192.168.0.4 |
| Test5 | 5 | 192.168.0.5 |
| Test6 | 6 | 192.168.0.6 |
| … | … | … |
TABLE 3 Exception offline List
| Node name | Node number | Node IP address |
And 2) carrying out normal business transaction of instant communication among all network nodes in the real-time online list, such as chatting and file transferring. As shown in fig. 2, where the dark colored nodes represent online network nodes participating in instant messaging services. If a network node finds that the instant messaging traffic to and from some other network node in its local real-time online list fails, it is considered that the some other network node has been abnormally offline, as shown in fig. 3. For example, when the network node Test1 participating in instant messaging fails to perform service with the network node Test6, the network node Test1 deletes the abnormally offline network node Test6 from the local real-time online list, and adds the abnormally offline network node Test6 to the abnormally offline list; the network node Test1 issues an early warning broadcast to each network node in the updated real-time online list, and announces that the network node Test6 is abnormally offline in the broadcast, and the announcement information includes the node name, the node number, and the node IP address of the abnormally offline network node Test6, so that other online network nodes can acquire the information of the abnormally offline network node Test6 and update the real-time online list and the abnormally offline list.
Further, the network node Test1 may also obtain information of the abnormally offline network Test6 according to the announcement content in the early warning broadcast by receiving the early warning broadcast issued by other network nodes, and update its local real-time online list and abnormal offline list.
Step 3) each network node participating in the instant messaging service and receiving the early warning broadcast updates the local real-time online list and the local offline list, as shown in tables 4 and 5:
TABLE 4 updated real-time online lists
| Node name | Node number | Node IP address |
| Test1 | 1 | 192.168.0.1 |
| Test2 | 2 | 192.168.0.2 |
| Test3 | 3 | 192.168.0.3 |
| Test4 | 4 | 192.168.0.4 |
| Test5 | 5 | 192.168.0.5 |
| … | … | … |
| … | … | … |
TABLE 5 updated Exception offline List
| Node name | Node number | Node IP address |
| Test6 | 6 | 192.168.0.06 |
| … | … | … |
The network node Test6, which is listed in the abnormal offline list, cannot perform normal traffic because it is not present in the real-time online list.
Through the step 3), the abnormal off-line condition of the network node participating in the instant messaging is timely found, the off-line condition is broadcasted to other network nodes participating in the instant messaging, and the real-time on-line list and the abnormal off-line list are updated to avoid business traffic with the abnormal off-line network node, so that the broadcast storm can be avoided, and the flow cost and the network power consumption are reduced; the downtime problem caused by the failure of the instant messaging service is reduced, and the failure rate of the instant messaging service is reduced;
and 4) each network node in the real-time online list periodically and unicast inquires each network node in the local abnormal offline list to see whether the network node can respond. And if the response is obtained, the instant communication network node is moved from the local abnormal offline list to the real-time online list, and the query interval can be any interval such as 1 second, 5 seconds, 10 seconds and the like, and the specific implementation depends on the effect.
Inquiring the online condition of each network node in the local abnormal offline list in a timed unicast manner through the step 4), so that the network node which is newly online can be found in time, and the normal instant messaging service traffic of the network node which is newly online is recovered;
the method of the embodiment of the invention can greatly improve the robustness of the instant messaging software.
The second aspect of the embodiment of the invention provides a system for processing the abnormal offline of the local area network instant messaging network node, which comprises a list establishing module, a network node module for acquiring the abnormal offline, a list updating module and a broadcast releasing module;
the list establishing module is used for establishing a real-time online list and an abnormal offline list locally by each instant communication network node;
the network node module for acquiring the abnormal offline is used for acquiring the information of the network nodes with the abnormal offline in the real-time online list by each network node;
the list updating module is used for deleting the information of the abnormal off-line network node from the real-time on-line list by each network node and adding the information of the abnormal off-line network node into the abnormal off-line list;
the publishing broadcast module is used for publishing the early warning broadcast to other network nodes in the real-time online list by each network node and advertising the information of the abnormal offline network node in the early warning broadcast;
and the receiving early warning broadcasting module is used for receiving early warning broadcasting issued by other network nodes in the real-time online list by each network node.
According to a third aspect of embodiments of the present invention, there is provided a computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method of any one of the above when executing the computer program.
According to a fourth aspect of embodiments of the present invention there is provided a computer readable storage medium having stored thereon a computer program which, when executed by a processor, causes the processor to perform the method of any of the above.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. A processing method for local area network instant communication network node abnormal off-line includes:
establishing a real-time online list and an abnormal offline list locally;
the method for acquiring the information of the abnormal offline network node in the real-time online list specifically comprises the following steps: when instant communication service is carried out between the network node and other network nodes in a local real-time online list, if the instant communication service between the network node and one of the network nodes fails, the network node which is abnormally offline and information of the network node are acquired;
issuing early warning broadcast to other network nodes in the real-time online list, and announcing the information of the abnormal offline network node in the early warning broadcast;
receiving early warning broadcast issued by other network nodes in the real-time online list;
acquiring information of the abnormal off-line network nodes existing in the real-time on-line list through the announcement content of the early warning broadcast;
and deleting the information of the abnormal off-line network node from a local real-time on-line list, and adding the information of the abnormal off-line network node into the local abnormal off-line list.
2. The method for processing the local area network instant messaging network node abnormal offline as claimed in claim 1, wherein the method further comprises periodically unicast inquiring the network nodes in the abnormal offline list, if a response is obtained, deleting the information of the responded network nodes from the abnormal offline list and adding the information to the real-time online list, and recovering the instant messaging service.
3. The method as claimed in claim 1, wherein the real-time online list is used to record node names, node numbers and node IP addresses of all online network nodes participating in instant messaging.
4. The method as claimed in claim 1, wherein the abnormal offline list is used to record node names, node numbers and node IP addresses of all the network nodes that are abnormally offline.
5. A processing system for local area network instant communication network node abnormal off-line is characterized by comprising a list establishing module, a network node module for acquiring abnormal off-line, a broadcast releasing module and a list updating module;
the list establishing module is used for locally establishing a real-time online list and an abnormal offline list;
the module for learning the abnormal offline network node is configured to learn information of the abnormal offline network node in the real-time online list, and specifically includes: when instant communication service is carried out between the network node and other network nodes in a local real-time online list, if the instant communication service between the network node and one of the network nodes fails, the network node which is abnormally offline and information of the network node are acquired;
the publishing broadcast module is used for publishing the early warning broadcast to other network nodes in the real-time online list and advertising the information of the abnormal offline network node in the early warning broadcast;
the network node module which learns the abnormal offline is also used for receiving early warning broadcast issued by other network nodes in the real-time online list; acquiring information of the abnormal off-line network nodes existing in the real-time on-line list through the announcement content of the early warning broadcast;
and the list updating module is used for deleting the information of the abnormal off-line network node from the real-time on-line list and adding the information of the abnormal off-line network node into the abnormal off-line list.
6. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method of any of claims 1-4 when executing the computer program.
7. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program which, when executed by a processor, causes the processor to carry out the method of any one of claims 1-4.
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