CN104486133B - The method and system of network element proxy management - Google Patents
The method and system of network element proxy management Download PDFInfo
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- CN104486133B CN104486133B CN201410837833.3A CN201410837833A CN104486133B CN 104486133 B CN104486133 B CN 104486133B CN 201410837833 A CN201410837833 A CN 201410837833A CN 104486133 B CN104486133 B CN 104486133B
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Abstract
The invention provides a kind of method and system of network element proxy management, including, monitor RMI and/or EJB request network data messages that simultaneously capturing operation maintenance terminal OMT is sent to operation maintenance center's OMC servers；The source port of extraction request network data message, the source port of the request network data message is pre-processed；The request network data message is sent to target OMC servers；Intercept and capture the OMC response messages that the target OMC servers return；The target port of the response message is extracted, the inversely processing of the pretreatment is carried out to the target port of the response message；The OMC response messages are sent to by OMT according to the target port after processing.The present invention is by monitoring and intercepting and capturing the network data message of RMI and EJB agreements and carry out the forwarding of message, so that one-to-many pattern is realized between OMT and OMC, log in any network element that an OMT can checks login user management, the efficiency of network element regular maintenance management is effectively improved, reduces maintenance management cost.
Description
Technical field
The present invention relates to technical field of network management, more particularly to a kind of method and system of network element proxy management.
Background technology
With the continuous expansion of mobile network's scale, NE quantity constantly expands, and this is to the webmaster system that separately disposes at present
System constitutes huge performance issue and efficiency, and operator it is also proposed new requirement to this, realize OMC (Operating
And Maintenance Center, operation maintenance center) system centralized management, turn into the certainty that OMC disposes framework
Trend.
Existing OMC frameworks, as shown in figure 1, OMT (Operating and Maintenance Terminal, operation dimension
Protect terminal) message protocol RMI (Remote Method Invocation, RMI) between OMC servers and
EJB (Enterprise JavaBean, far call apply JavaBean) is man-to-man relation, each OMT and OMC clothes
IP and port between business device are corresponded.The network element in one OMC server admin, one region, log in OMT and can only see phase
The network element that server is managed is answered, the network element that other OMC servers are managed can not be seen.This deployment way, expend a large amount of
IP, while the deployment quantity to hardware is also more, adds hardware cost.Daily dimension is carried out to network element using this deployment way
Shield, extremely inefficient, cost is higher.
Existing OMT Message processings flow is as shown in Fig. 2 OMT mainly includes RMI with the direct application protocol messages of OMC
With two kinds of EJB, interacted by API (Application Program Interface, application programming interfaces) interface, OMT
Message is sent to OMC servers, is handled by the RMI/EJB background service processing systems on OMC servers, after processing
Returned packet message is to OMT.But the limitation due to RMI technologies in itself, on the same stage on server, even if each network management agent system
The different IP of example allocation of uniting, these examples also can not use same port, same server name to provide RMI.This just makes
Into the relation that between OMT and OMC servers can only be single pair list.
Current solution has two kinds：
1st, it is necessary to which the mark form of RMI service generals is further added by into example in the case that multiport is fixed in existing system
The mode of binding IP makes a distinction.But this mode can take more IP, in the case where operator distribution IP is limited, this
Kind mode is not calculated.
2nd, port is handled temporarily using proxy server OMC-PROXY, it is real to reach the application mode more than single pair
Current family is logged on in an OMC, and the whole network network element can be managed.
In process of the present invention is realized, inventor has found that at least there are the following problems in the prior art：
RMI and EJB application protocol request messages between existing OMT and OMC are by ICP/IP protocol stack transport layer
Api interface interact.The mapping between single set OMT and single set OMC servers can only be realized, single set OMT can not be accomplished
With the mapping between more set OMC servers.In face of the management of the whole network network element, this there will naturally be great performance pressures, while can
It is relatively low by property.If the more set OMT of deployment and more set OMC servers, carry out carrying out district management to network element, then add hardware into
This, causes the lower deployment cost of whole network management system too high, while brought inconvenience to O＆M.On the other hand, current deployment way
The demand of technical standard of operator is not met yet.
The content of the invention
(1) technical problems to be solved
The present invention provides the method and system of network element proxy management, and for realizing OMC centralized management, it is daily to improve network element
The efficiency of maintenance management, reduce hardware cost.
(2) technical scheme
In order to solve the above technical problems, the method for network element proxy management provided by the invention, including：
Monitor the RMI and/or EJB requests that simultaneously capturing operation maintenance terminal OMT is sent to operation maintenance center's OMC servers
Network data message；
The source port of the request network data message is extracted, the source port of the request network data message is carried out in advance
Processing；
The request network data message is sent to target OMC servers；
Intercept and capture the OMC response messages that the target OMC servers return；
The target port of the response message is extracted, the inverse of the pretreatment is carried out to the target port of the response message
Processing；
The OMC response messages are sent to by OMT according to the target port after processing.
Preferably, RMI and/or the EJB requests that the OMT is sent to OMC servers are monitored using Socket monitoring mechanisms
Network data message.
Preferably, methods described also includes：
Receive RMI and/or the EJB requests that the OMT is sent.
Accordingly, the invention also provides a kind of system of network element proxy management, the system include：
First agent's client modules, for asking to establish the service of monitoring, intercept and capture the operating maintenance terminal OMT that listens to
RMI and/or EJB the request network data message that operation maintenance center's OMC servers are sent, and ask network data report by described
Text is transmitted to proxy service module；
Proxy service module, for establishing the service of monitoring, net is asked to the OMT RMI sent to OMC servers and/or EJB
Network data message carries out message monitoring, receives the request network data message that first agent's client modules are sent,
And second agent's client modules are created according to the request network data message；
Second agent's client modules, for extracting the source port of the request network data message, to the request net
The source port of network data message is pre-processed, and the request network data message is sent into target OMC servers, intercepts and captures institute
The OMC response messages of target OMC servers return are stated, the target port of the response message are extracted, to the response message
Target port carries out the inversely processing of the pretreatment, is sent to the OMC response messages according to the target port after processing
OMT。
Preferably, first agent's client modules are deployed in the OMT.
Preferably, first agent's client modules include：
First receiving unit, for receiving RMI and/or the EJB requests that the OMT is sent；
Monitor service request unit, for after the RMI and/or EJB requests that the OMT sends is received to the agency
Service module, which is sent, monitors service request；
First acquisition unit, the request network data message listened to for intercepting and capturing the proxy service module；
Transmitting element, for the request network data message to be sent into the proxy service module.
Preferably, first agent's client modules also include：
Heartbeat transmitting element, for sending the heartbeat signal of TCP connections to the proxy service module.
Preferably, the proxy service module includes：
Service unit is monitored, for establishing the service of monitoring according to the request of first agent's client modules, is used
Socket monitoring mechanisms ask network data message to carry out message monitoring the OMT RMI sent to OMC servers and/or EJB；
Second receiving unit, the request network data report sent for receiving first agent's client modules
Text；
Broker Core unit：For carrying out authentication to the first agent client, receive by authentication
The request network data message that first agent's client is sent, and establish agency after the request network data message is received
Passage and second agent's client modules；
Channel management unit：For the transmission of data message in passage, the monitoring of response message and transmission, act on behalf of passage
Keep-alive detects；
Load Balance Unit：For data message to be carried out into balanced distribution.
Preferably, the proxy service module also includes：
Heartbeat inspecting unit：Heartbeat signal for the TCP connections between monitoring and agent client.
Preferably, second agent's client modules include：
Processing unit, for extracting the source port of the request network data message, to the request network data message
Source port pre-processed, and after the OMC response messages that second acquisition unit intercepts and captures that the target OMC servers return,
The inversely processing of the pretreatment is carried out to the target port of the response message；
Second acquisition unit, the target OMC servers return listened to for intercepting and capturing the channel management unit
OMC response messages；
Connection establishment unit, it is connected for establishing with the far call of the OMT；
Second sends end member, and the OMC response messages are sent into OMT for being connected by the far call.
(3) beneficial effect
The method and system of network element proxy management provided by the invention, using Socket monitoring mechanisms intercept and capture RMI and/or
The network data message of EJB agreements simultaneously carries out the forwarding of message, so that realizing one-to-many pattern between OMT and OMC, logs in
One OMT can checks any network element of login user management, this so as to realize the centralized management of Authority and Domain Based Management and OMC
Deployment way, reduce IP consumption, simultaneously because the concentration deployment of OMC services, the deployment quantity of hardware is also less, reduces
Hardware cost, the efficiency of network element regular maintenance management is effectively improved, reduce maintenance management cost.
Brief description of the drawings
The features and advantages of the present invention can be more clearly understood by reference to accompanying drawing, accompanying drawing is schematically without that should manage
Solve to carry out any restrictions to the present invention, in the accompanying drawings：
Fig. 1 disposes configuration diagram for OMC in network element management method in the prior art；
Fig. 2 is the Message processing flow chart in Element management system in the prior art between OMT and OMC；
Fig. 3 is a kind of method flow diagram of network element proxy management provided in an embodiment of the present invention；
Fig. 4 disposes configuration diagram for OMC in the method for the network element proxy management provided in the embodiment of the present invention；
Fig. 5 is a kind of system module figure of network element proxy management provided in an embodiment of the present invention；
Fig. 6 is the Message processing flow in the system of network element proxy management provided in an embodiment of the present invention between OMT and OMC
Figure；
Fig. 7 is the specific business process map of the system of network element proxy management provided in an embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
RMI and EJB is a kind of RMI technical protocol based on Java technology, is the base of Java Distributed Applications
Plinth, while be all to be implemented in the application layer protocol on TCP, their limitation be suitable only for that Java language writes should
Communicated between program.TCP/IP (transport layer) agreement only can be used in transmitting data between networks, if without application layer,
Just None- identified data content and data sense, it is therefore necessary to use such as RMI and EJB etc. application layer protocol.But
In some application scenarios, we are not it should be understood that internetwork data sense, it is only necessary to which network data message is passed through mapping
Relation is forwarded to other purposes ground, and the purpose of this design is the pass of agency plant participation service logic as few as possible
In system.
To solve problems of the prior art, the invention provides a kind of method and system of network element proxy management,
In order to realize the functional requirement of the method and system of network element proxy management, can be asked with transparent these application protocols RMI and EJB
Ask message to carry out mapping forwarding, search out the operation api interface of ICP/IP protocol stack transport layer.Because Socket sockets are then
Encapsulation and application to ICP/IP protocol, mainly solve how data are transmitted in a network, be a calling interface (API), lead to
ICP/IP protocol could be used by crossing Socket.The present invention intercepts and captures the network of RMI and/or EJB agreements using Socket monitoring mechanisms
Data message and the forwarding for carrying out message.Certainly realize that message forwards purpose if desired, OMT and network element agent management system it
Between must comply with certain protocol rule first and set up Trusted channel, while OMT needs to tell agency plant in which port
Establish the service of monitoring.The proxy mode of the SOCKS5 services of agency plant has connection (Connect), binds (Bind) and UDP is worn
(UDP Associate) thoroughly.(Connect) wherein is connected, binding (Bind) is the agency for TCP data stream, of the invention
Network element agent management system uses " Bind " type.The task of Bind agency services is created i.e. inside network element agent management system
Create an agency and monitor service, receive the connection of operating maintenance terminal and forward data to destination service, realize OMC collection
Middle management, the efficiency of network element regular maintenance management is improved, reduce maintenance management cost.
Fig. 3 is a kind of method flow diagram of network element proxy management provided in an embodiment of the present invention, as shown in figure 3, this method
Comprise the following steps：
S101, monitor and the RMI that are sent to operation maintenance center's OMC servers of capturing operation maintenance terminal OMT and/or
EJB asks network data message；
S102, the extraction request network data message source port, to the source port of the request network data message
Pre-processed；
S103, by it is described request network data message be sent to target OMC servers；
S104, intercept and capture the OMC response messages that the target OMC servers return；
S105, the extraction response message target port, the pre- place is carried out to the target port of the response message
The inversely processing of reason；
S106, the OMC response messages are sent to by OMT according to the target port after processing.
The method of network element proxy management provided in an embodiment of the present invention, by the network for monitoring and intercepting and capturing RMI and EJB agreements
Data message and the forwarding for carrying out message, so that realizing one-to-many pattern between OMT and OMC, log in an OMT can
Any network element of login user management is checked, effectively improves the efficiency of network element regular maintenance management, reduces maintenance management cost.
In embodiments of the present invention, the specifically used Socket monitoring mechanisms snoop-operations maintenance terminal OMT of proxy server
RMI and/or EJB the request network data message sent to operation maintenance center's OMC servers.
In embodiments of the present invention, also include before proxy server carries out monitoring service, receive what current OMT was sent
RMI and/or EJB requests.
Fig. 4 disposes configuration diagram, such as Fig. 4 for OMC in the method for the network element proxy management provided in the embodiment of the present invention
Shown, the message protocol RMI (Java remote procedure call (RPC) mechanism) and EJB between OMT and OMC servers are (long-range to adjust
Apply JavaBean) by the Socket monitoring mechanisms of proxy server OMC-PROXY agency plants intercept and capture RMI and/or
The network data message of EJB agreements simultaneously carries out the forwarding of message.So that realizing one-to-many pattern between OMT and OMC, log in
One OMT can checks any network element of login user management, so as to realize the centralized management of Authority and Domain Based Management and OMC.It is this
Deployment way, reduce IP consumption, simultaneously because the concentration deployment of OMC services, the deployment quantity of hardware is also less, reduce
Hardware cost.It is relatively low to network element progress regular maintenance, ultrahigh in efficiency, cost using this deployment way.
Fig. 5 is a kind of system module figure of network element proxy management provided in an embodiment of the present invention, as shown in figure 5, the system
System includes：
First agent's client modules 201, for asking to establish the service of monitoring, intercept and capture the operating maintenance terminal listened to
RMI and/or EJB that OMT is sent to operation maintenance center's OMC servers request network data message, and by the request network
Data message forwarding is to proxy service module；
Proxy service module 202, for establishing the service of monitoring, net is asked to the OMT RMI sent to OMC servers and EJB
Network data message carries out message monitoring, receives the request network data message that first agent's client modules are sent,
And second agent's client modules 203 are created according to the request network data message；
Second agent's client modules 203, for extracting the source port of the request network data message, to the request
The source port of network data message is pre-processed, and the request network data message is sent into target OMC servers, intercepted and captured
The OMC response messages that the target OMC servers return, the target port of the response message is extracted, to the response message
Target port carry out the inversely processing of the pretreatment, the OMC response messages are sent to according to the target port after processing
OMT。
The embodiment of the present invention, increase by one between OMT clients and OMC application services during protocol massages transmission
The system of individual network element proxy management, so as to realize the network data message that RMI and EJB agreements are intercepted and captured using Socket monitoring mechanisms
And the forwarding of message is carried out, realize OMC centralized management, in the embodiment of the present invention, this paper proxy service module uses
" Bind " type is acted on behalf of to TCP data stream, and the internal system of network element proxy management creates an agency and monitors service, receives
To client connection and forward data to realize the requirement of OMC system centralized managements to destination service, solve physics and cover more
Mapping problems between OMC servers and a set of OMT systems, realizes the management to the whole network network element.
The first agent's client modules 201 proposed in the embodiment of the present invention are deployed in the OMT.By network element proxy management
The client component of system be design that first agent's client modules are nested in OMT systems, largely reduce and be
The degree of coupling between system, facilitate a variety of applications of OMT systems.Remove when needing not move through agency plant forwarding request and be deployed in
OMT first agent's client modules, split and combination is relatively convenient and simple.
First agent's client modules 201 in the embodiment of the present invention include：
First receiving unit, for receiving RMI and/or the EJB requests that the OMT is sent；
Monitor service request unit, for after the RMI and/or EJB requests that the OMT sends is received to the agency
Service module, which is sent, monitors service request；
First acquisition unit, the request network data message listened to for intercepting and capturing the proxy service module；
Transmitting element, for the request network data message to be sent into the proxy service module.
First agent's client modules 201 in the embodiment of the present invention also include：
Heartbeat transmitting element, for sending the heartbeat signal of TCP connections to the proxy service module.
Proxy service module 202 in the embodiment of the present invention includes：
Service unit is monitored, for establishing the service of monitoring according to the request of first agent's client modules, is used
Socket monitoring mechanisms ask network data message to carry out message monitoring the OMT RMI sent to OMC servers and EJB；
Second receiving unit, the request network data report sent for receiving first agent's client modules
Text；
Broker Core unit：For carrying out authentication to the first agent client, receive by authentication
The request network data message that first agent's client is sent, and establish agency after the request network data message is received
Passage and second agent's client modules；
Channel management unit：For the transmission of data message in passage, the monitoring of response message and transmission, act on behalf of passage
Keep-alive detects；
Load Balance Unit：For data message to be carried out into balanced distribution.
Proxy service module 202 in the embodiment of the present invention also includes：
Heartbeat inspecting unit：Heartbeat signal for the TCP connections between monitoring and agent client.
Second agent's client modules 203 in the embodiment of the present invention include：
Processing unit, for extracting the source port of the request network data message, to the request network data message
Source port pre-processed, and after the OMC response messages that second acquisition unit intercepts and captures that the target OMC servers return,
The inversely processing of the pretreatment is carried out to the target port of the response message；
Second acquisition unit, the target OMC servers return listened to for intercepting and capturing the channel management unit
OMC response messages；
Connection establishment unit, it is connected for establishing with the far call of the OMT；
Second sends end member, and the OMC response messages are sent into OMT for being connected by the far call.
Fig. 6 is the Message processing flow in the system of network element proxy management provided in an embodiment of the present invention between OMT and OMC
Figure.As shown in fig. 6, " agency service " is divided into from software configuration for the system of network element proxy management and " agent client " two is big
Functional module, while be also two stand-alone assemblies independently disposed.Proxy service module is the core of agency plant, main to be responsible for
The management and agent service channel management of agency service；Client component proxy client end module assists mainly in other systems and generation
Trusted channel is established in reason service and request creates agent service passage, and proxy client end module is depended in other systems, it is impossible to
Independent operating；Proxy service module is can be with the software module of independent operating.
The specific operation flow of the system for the network element proxy management that the embodiment of the present invention proposes is as shown in fig. 7, specifically include：
(1) the network data message of the agreements such as OMT systems are sent to OMC servers RMI and EJB；
(2) monitor and intercept and capture the network data message of the agreements such as RMI and/or the EJB that OMT systems send to OMC servers
And carry out the forwarding of message.So if it, which will be OMC System Takes, plays data forwarding work, the system of network element proxy management is first
It must first be started in the form of autonomous system, and create " monitor " of agency service and monitor service unit.When there is proxy client
During the connection request of end module, proxy service module is transferred to handle request after legitimate verification, if without client
Connection, monitoring service are constantly in thread " obstruction " state.
(3) proxy service module carries out second agent's client after the EJB request message information for monitoring forwarding is received
The establishment of module, the establishment of agent connector, the establishment of agency service creator and establishment of heartbeat transmitter etc., second
Proxy client end module pre-processes to the source port of EJB request message information, and the pretreatment of the embodiment of the present invention is preferably
On the basis of source port "+100 ", and EJB request message information is sent to OMC servers；
(4) after OMC servers receive EJB requests, message is responded according to OMC internal processes, and be sent to again
Second agent's client modules.
(5) second agent's client modules carry out the inversely processing of above-mentioned pretreatment to the target port of response message, that is, exist
On the basis of target port " -100 ", the wherein source port of EJB request messages information and the target port of response message is identical,
For OMT port address, by acting on behalf of of establishing of the Broker Core unit of proxy service module after passage receives association message, then
It is secondary to be handled, it is then forwarded to OMT.
(6) after OMT receives association message message, it is presented on OMT interfaces, whole repeating process terminates.
The method and system of network element proxy management provided in an embodiment of the present invention, RMI is intercepted and captured using Socket monitoring mechanisms
And/or EJB agreements network data message and carry out the forwarding of message so that realizing one-to-many mould between OMT and OMC
Formula, any network element that an OMT can checks login user management is logged in, effectively improve the effect of network element regular maintenance management
Rate, reduce maintenance management cost.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can lead to
Hardware realization is crossed, the mode of necessary general hardware platform can also be added by software to realize.Based on such understanding, this hair
Bright technical scheme can be embodied in the form of software product, and the software product can be stored in a non-volatile memories
In medium (can be CD-ROM, USB flash disk, mobile hard disk etc.), including some instructions are causing a computer equipment (can be
Personal computer, server, or network equipment etc.) perform method described in each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, module or stream in accompanying drawing
Journey is not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in system in embodiment can describe be divided according to embodiment
It is distributed in the system of embodiment, respective change can also be carried out and be disposed other than in one or more systems of the present embodiment.On
The module for stating embodiment can be merged into a module, can also be further split into multiple submodule.
Disclosed above is only several specific embodiments of the present invention, and still, the present invention is not limited to this, any ability
What the technical staff in domain can think change should all fall into protection scope of the present invention.
Claims (10)
- A kind of 1. method of network element proxy management, it is characterised in that methods described includes：Monitor the RMI and/or EJB request networks that simultaneously capturing operation maintenance terminal OMT is sent to operation maintenance center's OMC servers Data message；The source port of the request network data message is extracted, the source port of the request network data message is located in advance Reason；The request network data message is sent to target OMC servers；Intercept and capture the OMC response messages that the target OMC servers return；The target port of the response message is extracted, the inverse place of the pretreatment is carried out to the target port of the response message Reason；The OMC response messages are sent to by OMT according to the target port after processing.
- 2. according to the method for claim 1, it is characterised in that monitor the OMT using Socket monitoring mechanisms and taken to OMC Be engaged in the RMI and/or EJB request network data messages that device is sent.
- 3. method according to claim 1 or 2, it is characterised in that methods described also includes：Receive RMI and/or the EJB requests that the OMT is sent.
- 4. a kind of system of network element proxy management, it is characterised in that the system includes：First agent's client modules, for asking to establish the service of monitoring, the operating maintenance terminal OMT that listens to is intercepted and captured to operation RMI and/or EJB the request network data message that maintenance centre's OMC servers are sent, and the request network data message is turned Issue proxy service module；Proxy service module, for establishing the service of monitoring, network number is asked to the OMT RMI sent to OMC servers and/or EJB Message monitoring is carried out according to message, receives the request network data message that first agent's client modules are sent, and root Second agent's client modules are created according to the request network data message；Second agent's client modules, for extracting the source port of the request network data message, to the request network number Pre-processed according to the source port of message, the request network data message is sent to target OMC servers, intercepts and captures the mesh The OMC response messages that OMC servers return are marked, the target port of the response message are extracted, to the target of the response message Port carries out the inversely processing of the pretreatment, and the OMC response messages are sent into OMT according to the target port after processing.
- 5. system according to claim 4, it is characterised in that first agent's client modules are deployed in the OMT.
- 6. system according to claim 4, it is characterised in that first agent's client modules include：First receiving unit, for receiving RMI and/or the EJB requests that the OMT is sent；Monitor service request unit, for after the RMI and/or EJB requests that the OMT sends is received to the agency service Module, which is sent, monitors service request；First acquisition unit, the request network data message listened to for intercepting and capturing the proxy service module；Transmitting element, for the request network data message to be sent into the proxy service module.
- 7. system according to claim 6, it is characterised in that first agent's client modules also include：Heartbeat transmitting element, for sending the heartbeat signal of TCP connections to the proxy service module.
- 8. system according to claim 4, it is characterised in that the proxy service module includes：Service unit is monitored, for establishing the service of monitoring according to the request of first agent's client modules, uses Socket Monitoring mechanism asks network data message to carry out message monitoring the OMT RMI sent to OMC servers and/or EJB；Second receiving unit, the request network data message sent for receiving first agent's client modules；Broker Core unit：For carrying out authentication to the first agent client, first by authentication is received The request network data message that agent client is sent, and established after the request network data message is received and act on behalf of passage With second agent's client modules；Channel management unit：For the transmission of data message in passage, the monitoring of response message with transmission, act on behalf of the keep-alive of passage Detection；Load Balance Unit：For data message to be carried out into balanced distribution.
- 9. system according to claim 8, it is characterised in that the proxy service module also includes：Heartbeat inspecting unit：Heartbeat signal for the TCP connections between monitoring and agent client.
- 10. system according to claim 8, it is characterised in that second agent's client modules include：Processing unit, for extracting the source port of the request network data message, to the source of the request network data message Port is pre-processed, and after the OMC response messages that second acquisition unit intercepts and captures that the target OMC servers return, to institute The target port for stating response message carries out the inversely processing of the pretreatment；Second acquisition unit, should for intercepting and capturing the OMC that the target OMC servers that the channel management unit listens to return Answer message；Connection establishment unit, it is connected for establishing with the far call of the OMT；Second sends end member, and the OMC response messages are sent into OMT for being connected by the far call.
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| CN108092845A (en) * | 2017-11-06 | 2018-05-29 | 中国银联股份有限公司 | The differentiation and positioning of mirror image flow |
| CN110519174B (en) * | 2019-09-16 | 2021-10-29 | 无锡江南计算技术研究所 | Efficient parallel management method and architecture for high-order router chip |
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