CN111211935A - High-efficiency application-level concurrent detection implementation method - Google Patents
High-efficiency application-level concurrent detection implementation method Download PDFInfo
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- CN111211935A CN111211935A CN201911365996.5A CN201911365996A CN111211935A CN 111211935 A CN111211935 A CN 111211935A CN 201911365996 A CN201911365996 A CN 201911365996A CN 111211935 A CN111211935 A CN 111211935A
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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
- H04L43/12—Network monitoring probes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
- H04L45/745—Address table lookup; Address filtering
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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
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
- H04L67/1044—Group management mechanisms
Abstract
The invention discloses a high-efficiency application level concurrent detection implementation method.A network processor receives a timing message of a keep-alive request; reading a keep-alive request packet to which server is to be sent; looking up a keep-alive table, wherein a key value is a keep-alive path identifier; if the server group is referred by the single service, the keep-alive path identification is uniquely determined by the server in the server group and the reference service; if the server group is invoked by multiple services, the keep-alive path identifier is only determined by the server; if the keep-alive table is not successfully matched, discarding the message; if the keep-alive table is successfully matched, updating the state of the keep-alive path; constructing a keep-alive packet corresponding to the server, filling a keep-alive path identifier, if the server group is referred by multiple services, adding a bitmap after the constructed keep-alive packet, and identifying all referred services by using the bitmap; and sending the keep-alive packet constructed in the previous step to a back-end server. The invention introduces the relation between the bitmap calibration server and the service reference, reduces the sending quantity of the detection message and improves the detection efficiency.
Description
Technical Field
The invention relates to the technical field of INTERNET management, in particular to a high-efficiency application level concurrency detection implementation method.
Background
The network flow control equipment is connected in series between the routers and used for forwarding the flow in the network to the background server group for data analysis, and the network flow control equipment needs to forward the flow according to the connection state of the background server group and needs to detect the connection state of the background server in real time; in addition, if the network flow control device forwards the traffic to the background server group according to the application service, state detection needs to be performed on the application service layer. When a plurality of server groups are configured on the device and are simultaneously referred to by a plurality of application services, the network flow control device needs to send and receive a large number of status detection messages and response messages, and the messages occupy a large amount of bandwidth, which results in that the bandwidth of effective flow is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a method for realizing high-efficiency application-level concurrent detection, aiming at introducing a bitmap calibration server and a service reference relation when a server is referred by multiple services, so as to achieve application-level concurrent detection, reduce the sending quantity of detection messages and improve the detection efficiency.
In order to solve the technical problem, the invention provides a high-efficiency application-level concurrent detection implementation method, which comprises the following steps:
(1) the network processor receives the timing message of the keep-alive request;
(2) reading a keep-alive request packet to which server the keep-alive request packet is to be sent, wherein the keep-alive request packet is a request message of ICMP or BFD;
(3) searching a keep-alive table, wherein the keep-alive table is an entry storing a keep-alive path, one entry corresponds to one keep-alive path, the key value is a keep-alive path identifier, and the keep-alive table entries are matched through the keep-alive path identifier; if the server group is referred by the single service, the keep-alive path identification is uniquely determined by the server in the server group and the reference service, one server under each reference service is a keep-alive path, keep-alive path identifications are distributed in sequence, and corresponding table entry items are established in a keep-alive table; if the server group is invoked by multiple services, the keep-alive path identifier is only determined by the server; if the keep-alive table is not successfully matched, executing the step (4); if the keep-alive table is successfully matched, executing the step (5);
(4) discarding the message;
(5) updating the state of the keep-alive path;
(6) constructing a keep-alive request packet corresponding to a server, filling a keep-alive path identifier, if the server group is referred by multiple services, adding a bitmap after the constructed keep-alive request packet, and identifying all referred services by using the bitmap;
(7) and (4) sending the keep-alive request packet constructed in the step (6) to a back-end server.
The invention has the beneficial effects that: the invention flexibly sets whether the network flow control equipment uses the concurrent detection or not through the controllable configuration on the application layer, and when one server group is referred by a single application service, the efficiency of individually carrying out the state detection aiming at each application service is higher than the concurrent detection; when one server group is referred by a plurality of application services, the reference relation of the server group in the application services is calibrated according to the bitmap, and when concurrent detection is carried out, only one calibration bitmap and a detection message need to be sent for each server in the server group, and the detection message does not need to be sent for each service where the server is located, so that the sending quantity of the detection message can be effectively reduced, and further the overall detection efficiency of the method under different use scenes is optimal.
Drawings
FIG. 1 is a schematic flow chart of the method of the present invention.
Detailed Description
As shown in fig. 1, an implementation method of high-efficiency application-level concurrent probing includes the following steps:
(1) the network processor receives the timing message of the keep-alive request;
(2) reading a keep-alive request packet to which server the keep-alive request packet is to be sent, wherein the keep-alive request packet is a request message of ICMP or BFD;
(3) searching a keep-alive table, wherein the keep-alive table is an entry storing a keep-alive path, one entry corresponds to one keep-alive path, the key value is a keep-alive path identifier, and the keep-alive table entries are matched through the keep-alive path identifier; if the server group is referred by the single service, the keep-alive path identification is uniquely determined by the server in the server group and the reference service, one server under each reference service is a keep-alive path, keep-alive path identifications are distributed in sequence, and corresponding table entry items are established in a keep-alive table; if the server group is invoked by multiple services, the keep-alive path identifier is only determined by the server; if the keep-alive table is not successfully matched, executing the step (4); if the keep-alive table is successfully matched, executing the step (5);
(4) discarding the message;
(5) updating the state of the keep-alive path;
(6) constructing a keep-alive request packet corresponding to a server, filling a keep-alive path identifier, if the server group is referred by multiple services, adding a bitmap after the constructed keep-alive request packet, and identifying all referred services by using the bitmap;
(7) and (4) sending the keep-alive request packet constructed in the step (6) to a back-end server.
The present invention addresses the following two scenarios: 1) the server group only has a single application service reference; 2) the server cluster is quoted by a plurality of application services, and whether the network flow control equipment uses the concurrent detection or not is flexibly configured by adding controllable switch configuration on an application layer.
A. When a server group is referred by a single service, only a detection message needs to be sent to each server in the server group, and the reference relation between the server group and all application services does not need to be known.
B. When one server group is invoked by multiple services, the reference relationship between the server group and the application services is calibrated by using the bitmap, the calibration bitmap and the detection message are sent to each server in the server group during detection, the detection message does not need to be sent to each service where the server is located, and when the server group is invoked by multiple services, the sending quantity of the detection message can be effectively reduced.
The invention introduces the bitmap calibration server and the service reference relation when the server is referred by multiple services, thereby achieving the application-level concurrent detection, reducing the sending quantity of the detection message and improving the detection efficiency.
Claims (1)
1. An implementation method for efficient application-level concurrent detection is characterized by comprising the following steps:
(1) the network processor receives the timing message of the keep-alive request;
(2) reading a keep-alive request packet to which server the keep-alive request packet is to be sent, wherein the keep-alive request packet is a request message of ICMP or BFD;
(3) searching a keep-alive table, wherein the keep-alive table is an entry storing a keep-alive path, one entry corresponds to one keep-alive path, the key value is a keep-alive path identifier, and the keep-alive table entries are matched through the keep-alive path identifier; if the server group is referred by the single service, the keep-alive path identification is uniquely determined by the server in the server group and the reference service, one server under each reference service is a keep-alive path, keep-alive path identifications are distributed in sequence, and corresponding table entry items are established in a keep-alive table; if the server group is invoked by multiple services, the keep-alive path identifier is only determined by the server; if the keep-alive table is not successfully matched, executing the step (4); if the keep-alive table is successfully matched, executing the step (5);
(4) discarding the message;
(5) updating the state of the keep-alive path;
(6) constructing a keep-alive request packet corresponding to a server, filling a keep-alive path identifier, if the server group is referred by multiple services, adding a bitmap after the constructed keep-alive request packet, and identifying all referred services by using the bitmap;
(7) and (4) sending the keep-alive request packet constructed in the step (6) to a back-end server.
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