CN105871616A - Service node selection method and device - Google Patents
Service node selection method and device Download PDFInfo
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- CN105871616A CN105871616A CN201610202265.9A CN201610202265A CN105871616A CN 105871616 A CN105871616 A CN 105871616A CN 201610202265 A CN201610202265 A CN 201610202265A CN 105871616 A CN105871616 A CN 105871616A
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- intranet
- operator
- service node
- informaiton
- information
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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
- H04L41/069—Management of faults, events, alarms or notifications using logs of notifications; Post-processing of notifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
- H04L63/1408—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic by monitoring network traffic
- H04L63/1416—Event detection, e.g. attack signature detection
Abstract
The embodiment of the invention discloses a service node selection method and device, which are applied to a client. The service node selection method comprises the following steps: acquiring current first Extranet IP operator information and a C-segment address of a first Intranet IP; transmitting the first Extranet IP operator information and the C-segment address of the first Intranet IP to a control selection node interface in order that the control selection node interface determines optimal service node information from pre-acquired service node information according to the received first Extranet IP operator information and C-segment address of the first Intranet IP and returns the optimal service node information to the client; and receiving the optimal service node information, and determining a corresponding optimal service node according to the optimal service node information. In the scheme, the corresponding service node is not selected in a random way through a current agent, so that the agent can return log information stably and rapidly.
Description
Technical field
The present invention relates to network invasion monitoring field, particularly to a kind of service node selection method and device.
Background technology
Intrusion detection project (herein referring to open source projects ossec, referred to collectively below as intrusion detection) is mainly passed through
The information such as collection system daily record, process, port, the security strategy that coupling is preset, thus the behavior that notes abnormalities,
Report to the police and ensure the safety of server to safety manager.
At present, intrusion detection typically by master server (master), multiple service nodes (server node),
Multiple agencies (agent) form.The corresponding one or more agencies of each service node, the two is logical by setting up
Letter connection carries out log information transmission, and agency is arranged in the client needing monitoring, and agency collects client
Log information, returns this log information to corresponding service node, and service node is used for receiving corresponding agency back
The log information passed, and carry out arranging, analyze and registering, the log information then these processed is delivered
To master server, the security strategy that master server is preset according to these log informations processed coupling, find
Abnormal behaviour alarm is to safety manager, thus ensures the safety of server.Existing intrusion detection
In, for client deployment corresponding when acting on behalf of, pre-set the information such as service node, then will act on behalf of root
Being packaged into rpm bag according to configuration template and be installed in client, this agency is randomly in the service pre-set
Selecting a service node in node and set up communication connection with this service node, master server is initiated one and is awarded
Power process, acts on behalf of the information such as the IP to master server submission oneself and registers, and then complete to dispose.
Although batch disposes agency when the method for this agent selection service node can solve a large amount of server
Problem, but owing to service node and the operator of client may be different, agency corresponding to client to
Returning, even occurs in the poor stability of corresponding with service node passback log information, it may appear that delay phenomenon
Problem.
Summary of the invention
The embodiment of the invention discloses a kind of service node selection method and device, in order to solve as client end
The unreasonable agency caused of service node selected when administration is acted on behalf of is to corresponding service node passback log information
Poor stability, slow-footed problem.Technical scheme is as follows:
First aspect, embodiments provides a kind of service node selection method, is applied to client,
Including:
Obtain the first current outer net IP operator's informaiton and the C sector address of the first Intranet IP；
The C sector address of described first outer net IP operator's informaiton and described first Intranet IP is sent to controlling choosing
Select node interface, so that: control to select node interface according to the described first outer net IP operator's informaiton received
With the C sector address of described first Intranet IP, from the service node information being obtained ahead of time, determine that optimal service saves
Dot information, and described optimal service nodal information is returned to client；
Receive described optimal service nodal information, and according to described optimal service nodal information determine corresponding
Excellent service node, so that the agency that this locality is installed sets up communication connection with described optimal service node.
The service node information being obtained ahead of time described in it is also preferred that the left includes: outside the second of all preset service nodes
Net C sector address and all preset service joint of the second Intranet IP of IP operator's informaiton, all preset service nodes
The quantity of some correspondence agency.
It is also preferred that the left described control select node interface according to the described first outer net IP operator's informaiton received with
The C sector address of described first Intranet IP, determines optimal service node from the service node information being obtained ahead of time
Information particularly as follows:
Search from the second outer net IP operator's informaiton of all preset service nodes and described first outer net IP fortune
Target the second outer net IP operator's informaiton that battalion's business's information is identical；
The C with described first Intranet IP is searched from the C sector address of the second Intranet IP of all preset service nodes
The C sector address of target the second Intranet IP that sector address is identical；
If find described target the second outer net IP operator's informaiton and described target the second Intranet IP simultaneously
Preset service node correspondence agency that C sector address, relatively described target the second outer net IP operator's informaiton are corresponding and
The quantity of the preset service node correspondence agency that the C sector address of described target the second Intranet IP is corresponding, by correspondence generation
The service node information of the preset service node of the negligible amounts of reason is defined as described optimal service nodal information；
If looking only for described target the second outer net IP operator's informaiton and the C of described target the second Intranet IP
In sector address one, then by preset service corresponding for described target the second outer net IP operator's informaiton found
The service node information of node or default clothes corresponding to the C sector address of described target the second Intranet IP found
The service node information of business node is defined as described optimal service nodal information.
It is also preferred that the left a kind of service node selection method that the embodiment of the present invention provides can also include:
Without finding described target the second outer net IP operator's informaiton and described target the second Intranet IP
C sector address, then arrange a default service nodal information as described optimal service nodal information.
It is also preferred that the left the C sector address tool of current the first outer net IP operator's informaiton of described acquisition and the first Intranet IP
Body is:
The first current outer net IP operator's informaiton and the C section of the first Intranet IP is obtained by internal queries interface
Address.
Second aspect, the embodiment of the present invention additionally provides a kind of service node and selects device, is applied to client,
Including:
Data obtaining module, for obtaining the first current outer net IP operator's informaiton and the C section of the first Intranet IP
Address；
Information sending module, for by described first outer net IP operator's informaiton and the C section of described first Intranet IP
Address sends to controlling and selects node interface, so that: control to select node interface according to described the received
One outer net IP operator's informaiton and the C sector address of described first Intranet IP, from the service node information being obtained ahead of time
In determine optimal service nodal information, and described optimal service nodal information is returned to client；
Optimal service node determines module, is used for receiving described optimal service nodal information, and according to described
Excellent service node information determines the optimal service node of correspondence so that the agency that installed of this locality with described
Excellent service node sets up communication connection.
The service node information being obtained ahead of time described in it is also preferred that the left includes: outside the second of all preset service nodes
Net C sector address and all preset service joint of the second Intranet IP of IP operator's informaiton, all preset service nodes
The quantity of some correspondence agency.
It is also preferred that the left described control select node interface according to the described first outer net IP operator's informaiton received with
The C sector address of described first Intranet IP, determines optimal service node from the service node information being obtained ahead of time
Information particularly as follows:
Search from the second outer net IP operator's informaiton of all preset service nodes and described first outer net IP fortune
Target the second outer net IP operator's informaiton that battalion's business's information is identical；
The C with described first Intranet IP is searched from the C sector address of the second Intranet IP of all preset service nodes
The C sector address of target the second Intranet IP that sector address is identical；
If find described target the second outer net IP operator's informaiton and described target the second Intranet IP simultaneously
Preset service node correspondence agency that C sector address, relatively described target the second outer net IP operator's informaiton are corresponding and
The quantity of the preset service node correspondence agency that the C sector address of described target the second Intranet IP is corresponding, by correspondence generation
The service node information of the preset service node of the negligible amounts of reason is defined as described optimal service nodal information；
If looking only for described target the second outer net IP operator's informaiton and the C of described target the second Intranet IP
In sector address one, then by preset service corresponding for described target the second outer net IP operator's informaiton found
The service node information of node or default clothes corresponding to the C sector address of described target the second Intranet IP found
The service node information of business node is defined as described optimal service nodal information.
It is also preferred that the left a kind of service node that the embodiment of the present invention provides selects device to include:
Default node arranges module, for not finding described target the second outer net IP operator's informaiton and institute
When stating the C sector address of target the second Intranet IP, a default service nodal information is set as described optimal service
Nodal information.
It is also preferred that the left described data obtaining module specifically for:
The first current outer net IP operator's informaiton and C of the first Intranet IP is obtained by internal queries interface
Sector address.
In a kind of service node selection method of this programme offer and device, client obtains the first current fortune
After the C sector address of battalion's business's information and the first Intranet IP, by described first operator's informaiton and described first Intranet IP
C sector address send to control select node interface, control select node interface according to described first received
Outer net IP operator's informaiton and the C sector address of described first Intranet IP, from the service node information being obtained ahead of time
Determine optimal service nodal information, and described optimal service nodal information is returned to client, client
According to described optimal service nodal information determine correspondence optimal service node so that locally-installed agency with
This optimal service node sets up communication connection.Due in this programme be not agency selected by random manner right
The service node answered, but believe according to the first operator's informaiton, the C sector address of the first Intranet IP and service node
Breath determines optimal service node, it is contemplated that the matching of the operator of service node and client, therefore, and generation
The good stability of reason passback log information, speed is fast.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The flow chart of a kind of service node selection method that Fig. 1 is provided by the embodiment of the present invention；
Fig. 2 selects the structural representation of device by a kind of service node that the embodiment of the present invention is provided.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
Network communication quality between service node and agency directly influences stablizing of agency's passback log information
Property, the unreasonable agency caused of service node selected during for solving and disposing and act on behalf of returns to corresponding service node
Pass the poor stability of log information, slow-footed problem, embodiments provide a kind of service node
System of selection and device.
A kind of service node selection method provided the embodiment of the present invention first below is introduced.
It should be noted that a kind of server node system of selection that the embodiment of the present invention is provided is applied to visitor
Family end, in actual applications, this client can be: smart mobile phone, notebook computer, desktop computer,
Panel computers etc., this is all rational.Moreover, it is achieved that a kind of service node that the embodiment of the present invention is provided
The functional software of system of selection can be special client software, it is also possible to in existing customer's end software
Plug-in unit, this is all rational.
As it is shown in figure 1, a kind of service node selection method, may include that
S101, it is thus achieved that the first current outer net IP operator's informaiton and the C sector address of the first Intranet IP；
Concrete, the first current outer net IP operator's informaiton and the can be obtained by internal queries interface
The C sector address of one Intranet IP.Wherein, Intranet IP refers to LAN IP, and the C sector address of Intranet IP is interior
The 128-196.0.0.0C class address of net IP.
It is understood that client obtains the first current outer net IP operator's informaiton and the first Intranet IP
The specific implementation of C sector address can use any one implementation of the prior art, does not limits at this
Fixed.
S102, sends the C sector address of described first outer net IP operator's informaiton and described first Intranet IP
To controlling selection node interface, so that: control to select node interface according to the described first outer net IP received
Operator's informaiton and the C sector address of described first Intranet IP, determine from the service node information being obtained ahead of time
Go out optimal service nodal information, and described optimal service nodal information is returned to client；
It should be noted that this control selects node interface to be the api interface (Application pre-set
Programming Interface, application programming interface), can communicate with client.Receiving
After first outer net IP operator's informaiton of client transmission and the C sector address of the first Intranet IP, this control is selected
Select node interface and can determine optimal service nodal information from the service node information being obtained ahead of time.Wherein,
The service node information that this is obtained ahead of time may include that the second outer net IP operator of all preset service nodes
Information, the C sector address of the second Intranet IP of all preset service nodes and all preset service node correspondence generations
The quantity of reason.In actual application, after pre-setting all service nodes, system can be by all service nodes
The second outer net IP operator's informaiton, the C sector address of the second Intranet IP, the quantity of corresponding agency, ID letter
The information such as breath and ownership place are automatically saved in specified database, and this control selection node interface can be from this
Database obtains part or all of above-mentioned information as service node information.
Further, if the second outer net IP operator of the first outer net IP operator of client and service node
Identical, then the stability of the information transmission between agency and this service node of being installed in client is best；
The C sector address of the first Intranet IP of client is identical with the C sector address of the second Intranet IP of service node,
Information transmission speed between agency and this service node of then being installed in client is the fastest, good stability.
So selecting node interface to receive the first outer net IP operator's informaiton and first that client sends in this control
After the C sector address of Intranet IP, following steps can be performed:
First search and above-mentioned first outer net from the second outer net IP operator's informaiton of all preset service nodes
Target the second outer net IP operator's informaiton that IP operator's informaiton is identical；
Search and above-mentioned first Intranet IP from the C sector address of the second Intranet IP of all preset service nodes again
The C sector address of identical target the second Intranet IP of C sector address；
Find the C section ground of this target the second outer net IP operator's informaiton and this target the second Intranet IP at the same time
In the case of location, compare this target the second outer net IP operator's informaiton corresponding preset service node correspondence agency and
The quantity of the preset service node correspondence agency that the C sector address of this target the second Intranet IP is corresponding, acts on behalf of correspondence
The service node information of preset service node of negligible amounts be defined as this optimal service nodal information；
Due to service node correspondence, to act on behalf of quantity the most, and the operating pressure of analysis and arrangement log information is the biggest, institute
With so select service node can on the basis of the stability ensureing agency's passback log information and speed,
The operating pressure of each service node of mean allocation, it is to avoid occur that individual service node pressure is excessive, causes sending out
Raw mistake or the problem that cannot normally work.
On the C section ground looking only for this target the second outer net IP operator's informaiton and this target the second Intranet IP
In the case of in location one, in order to ensure the stability of agency's passback log information, this mesh that will find
The service node information marking preset service node corresponding to the second outer net IP operator's informaiton or this mesh found
The service node information marking preset service node corresponding to the C sector address of the second Intranet IP is defined as described optimum
Service node information.
S103, receives described optimal service nodal information, and determine according to described optimal service nodal information right
The optimal service node answered, so that the agency that this locality is installed sets up communication link with described optimal service node
Connect.
Concrete, after receiving described optimal service nodal information, according in this optimal service nodal information
Second outer net IP operator's informaiton, the C sector address of the second Intranet IP, the quantity of corresponding agency determine this
Optimal service node；Certainly, this optimal service nodal information can also include the ID of this optimal service node
Information, can determine this optimal service node according to this id information, and this is also rational.This optimal service
After node determines, the local agency installed then by the way of foundation communicates to connect with this optimal service node
Set up association, in order to during follow-up intrusion detection, return log information to this optimal service node.
It should be noted that a kind of service node selection method that the embodiment of the present invention is provided, it is also possible to bag
Include:
Do not finding above-mentioned target the second outer net IP operator's informaiton and the C of above-mentioned target the second Intranet IP
In the case of sector address, a default service nodal information is set as described optimal service nodal information, with
Ensure that agency can normally complete deployment.The default service node that this default service nodal information is corresponding can be
Certain supports the IP resource of the whole network operating line, so can ensure that different agencies can save with this default service
Point communicates, naturally it is also possible to the service node service node by default certain preset, it is possible to ensure
Intruding detection system can normally work, and is not specifically limited at this.
Visible, in a kind of service node selection method that this programme provides, client obtains the first current fortune
After the C sector address of battalion's business's information and the first Intranet IP, by described first operator's informaiton and described first Intranet IP
C sector address send to control select node interface, control select node interface according to described first received
Outer net IP operator's informaiton and the C sector address of described first Intranet IP, from the service node information being obtained ahead of time
Determine optimal service nodal information, and described optimal service nodal information is returned to client, client
According to described optimal service nodal information determine correspondence optimal service node so that locally-installed agency with
This optimal service node sets up communication connection.Compared with prior art, due in this programme be not agency pass through
Random manner selects corresponding service node, but according to the first operator's informaiton, the C section of the first Intranet IP
Address and service node information determine optimal service node, it is contemplated that the operator of service node and client
Matching, therefore, agency's passback reliability of log information, integrality are high, and good stability, speed is fast.
Corresponding to said method embodiment, the embodiment of the present invention additionally provides a kind of service node and selects device,
It is applied to client, as in figure 2 it is shown, described device, may include that
Data obtaining module 210, for obtaining the first current outer net IP operator's informaiton and the first Intranet IP
C sector address；
Information sending module 220, for by described first outer net IP operator's informaiton and described first Intranet IP
C sector address sends to controlling selection node interface, so that: control to select node interface according to receive
First outer net IP operator's informaiton and the C sector address of described first Intranet IP, from the service node letter being obtained ahead of time
Breath is determined optimal service nodal information, and described optimal service nodal information is returned to client；
Optimal service node determines module 230, is used for receiving described optimal service nodal information, and according to described
Optimal service nodal information determines the optimal service node of correspondence, so that the agency that this locality is installed is with described
Optimal service node sets up communication connection.
Visible, a kind of service node that this programme provides selects in device, and client obtains the first current fortune
After the C sector address of battalion's business's information and the first Intranet IP, by described first operator's informaiton and described first Intranet
The C sector address of IP sends to controlling selection node interface, controls to select node interface according to receive
First outer net IP operator's informaiton and the C sector address of described first Intranet IP, from the service joint being obtained ahead of time
Dot information is determined optimal service nodal information, and described optimal service nodal information is returned to client,
Client determines the optimal service node of correspondence according to described optimal service nodal information so that locally-installed
Agency sets up communication connection with this optimal service node.Compared with prior art, owing to this programme not being generation
Manage and select corresponding service node by random manner, but according to the first operator's informaiton, the first Intranet
C sector address and the service node information of IP determine optimal service node, it is contemplated that service node and client
The matching of operator, therefore, the good stability of agency's passback log information, speed is fast.
Concrete, this data obtaining module 210 specifically for: obtain current by internal queries interface
First outer net IP operator's informaiton and the C sector address of the first Intranet IP.
Concrete, the above-mentioned service node information being obtained ahead of time may include that the of all preset service nodes
Two outer net IP operator's informaitons, the C sector address of the second Intranet IP of all preset service nodes and all pre-
If the quantity of service node correspondence agency.
Further, above-mentioned control select node interface according to this first outer net IP operator's informaiton received with
The C sector address of this first Intranet IP, determines that optimal service node is believed from the service node information being obtained ahead of time
Breath particularly as follows:
Search from the second outer net IP operator's informaiton of all preset service nodes and run with this first outer net IP
Target the second outer net IP operator's informaiton that business's information is identical；
The C section with this first Intranet IP is searched from the C sector address of the second Intranet IP of all preset service nodes
The C sector address of target the second Intranet IP that address is identical；
If find the C section of this target the second outer net IP operator's informaiton and this target the second Intranet IP simultaneously
Address, compares preset service node correspondence agency corresponding to this target the second outer net IP operator's informaiton and this target
The quantity of the preset service node correspondence agency that the C sector address of the second Intranet IP is corresponding, the quantity that correspondence is acted on behalf of
The service node information of less preset service node is defined as this optimal service nodal information；
If looking only for the C section ground of this target the second outer net IP operator's informaiton and this target the second Intranet IP
In location one, then by preset service node corresponding for this target the second outer net IP operator's informaiton found
Service node information or preset service node corresponding to the C sector address of this target the second Intranet IP found
Service node information is defined as this optimal service nodal information.
Further, a kind of service node that the embodiment of the present invention is provided selects device, it is also possible to including:
Default node arranges module, specifically for do not find this target the second outer net IP operator's informaiton and
In the case of the C sector address of this target the second Intranet IP, a default service nodal information is set and takes as optimum
Business nodal information.
It should be noted that in this article, the relational terms of such as first and second or the like be used merely to by
One entity or operation separate with another entity or operating space, and not necessarily require or imply these
Relation or the order of any this reality is there is between entity or operation.And, term " includes ", " comprising "
Or its any other variant is intended to comprising of nonexcludability, so that include the mistake of a series of key element
Journey, method, article or equipment not only include those key elements, but also other including being not expressly set out
Key element, or also include the key element intrinsic for this process, method, article or equipment.Do not having
In the case of more restrictions, statement " including ... " key element limited, it is not excluded that including described wanting
Process, method, article or the equipment of element there is also other identical element.
Each embodiment in this specification all uses relevant mode to describe, phase homophase between each embodiment
As part see mutually, what each embodiment stressed is the difference with other embodiments.
For device embodiment, owing to it is substantially similar to embodiment of the method, so the comparison described
Simply, relevant part sees the part of embodiment of the method and illustrates.
One of ordinary skill in the art will appreciate that all or part of step realizing in said method embodiment
The program that can be by completes to instruct relevant hardware, and described program can be stored in computer-readable
Take in storage medium, the storage medium obtained designated herein, such as: ROM/RAM, magnetic disc, CD etc..
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention.
All any modification, equivalent substitution and improvement etc. made within the spirit and principles in the present invention, are all contained in
In protection scope of the present invention.
Claims (10)
1. a service node selection method, it is characterised in that be applied to client, including:
Obtain the first current outer net IP operator's informaiton and the C sector address of the first Intranet IP；
The C sector address of described first outer net IP operator's informaiton and described first Intranet IP is sent to controlling choosing
Select node interface, so that: control to select node interface according to the described first outer net IP operator's informaiton received
With the C sector address of described first Intranet IP, from the service node information being obtained ahead of time, determine that optimal service saves
Dot information, and described optimal service nodal information is returned to client；
Receive described optimal service nodal information, and according to described optimal service nodal information determine corresponding
Excellent service node, so that the agency that this locality is installed sets up communication connection with described optimal service node.
2. the method for claim 1, it is characterised in that described in the service node information that is obtained ahead of time
Including: the second outer net IP operator's informaiton of all preset service nodes, all preset service nodes second in
The C sector address of net IP and the quantity of all preset service node correspondences agency.
3. method as claimed in claim 2, it is characterised in that described control selects node interface according to connecing
The described first outer net IP operator's informaiton received and the C sector address of described first Intranet IP, from be obtained ahead of time
Service node information is determined optimal service nodal information particularly as follows:
Search from the second outer net IP operator's informaiton of all preset service nodes and described first outer net IP fortune
Target the second outer net IP operator's informaiton that battalion's business's information is identical；
The C with described first Intranet IP is searched from the C sector address of the second Intranet IP of all preset service nodes
The C sector address of target the second Intranet IP that sector address is identical；
If find described target the second outer net IP operator's informaiton and described target the second Intranet IP simultaneously
Preset service node correspondence agency that C sector address, relatively described target the second outer net IP operator's informaiton are corresponding and
The quantity of the preset service node correspondence agency that the C sector address of described target the second Intranet IP is corresponding, by correspondence generation
The service node information of the preset service node of the negligible amounts of reason is defined as described optimal service nodal information；
If looking only for described target the second outer net IP operator's informaiton and the C of described target the second Intranet IP
In sector address one, then by preset service corresponding for described target the second outer net IP operator's informaiton found
The service node information of node or default clothes corresponding to the C sector address of described target the second Intranet IP found
The service node information of business node is defined as described optimal service nodal information.
4. method as claimed in claim 3, it is characterised in that also include:
Without finding described target the second outer net IP operator's informaiton and described target the second Intranet IP
C sector address, then arrange a default service nodal information as described optimal service nodal information.
5. the method as described in any one of claim 1-4, it is characterised in that described acquisition current first outside
Net IP operator's informaiton and the first Intranet IP C sector address particularly as follows:
The first current outer net IP operator's informaiton and the C section of the first Intranet IP is obtained by internal queries interface
Address.
6. a service node selects device, it is characterised in that be applied to client, including:
Data obtaining module, for obtaining the first current outer net IP operator's informaiton and the C section of the first Intranet IP
Address；
Information sending module, for by described first outer net IP operator's informaiton and the C section of described first Intranet IP
Address sends to controlling and selects node interface, so that: control to select node interface according to described the received
One outer net IP operator's informaiton and the C sector address of described first Intranet IP, from the service node information being obtained ahead of time
In determine optimal service nodal information, and described optimal service nodal information is returned to client；
Optimal service node determines module, is used for receiving described optimal service nodal information, and according to described
Excellent service node information determines the optimal service node of correspondence so that the agency that installed of this locality with described
Excellent service node sets up communication connection.
7. device as claimed in claim 6, it is characterised in that described in the service node information that is obtained ahead of time
Including: the second outer net IP operator's informaiton of all preset service nodes, all preset service nodes second in
The C sector address of net IP and the quantity of all preset service node correspondences agency.
8. device as claimed in claim 7, it is characterised in that described control selects node interface according to connecing
The described first outer net IP operator's informaiton received and the C sector address of described first Intranet IP, from be obtained ahead of time
Service node information is determined optimal service nodal information particularly as follows:
Search from the second outer net IP operator's informaiton of all preset service nodes and described first outer net IP fortune
Target the second outer net IP operator's informaiton that battalion's business's information is identical；
The C with described first Intranet IP is searched from the C sector address of the second Intranet IP of all preset service nodes
The C sector address of target the second Intranet IP that sector address is identical；
If find described target the second outer net IP operator's informaiton and described target the second Intranet IP simultaneously
Preset service node correspondence agency that C sector address, relatively described target the second outer net IP operator's informaiton are corresponding and
The quantity of the preset service node correspondence agency that the C sector address of described target the second Intranet IP is corresponding, by correspondence generation
The service node information of the preset service node of the negligible amounts of reason is defined as described optimal service nodal information；
If looking only for described target the second outer net IP operator's informaiton and the C of described target the second Intranet IP
In sector address one, then by preset service corresponding for described target the second outer net IP operator's informaiton found
The service node information of node or default clothes corresponding to the C sector address of described target the second Intranet IP found
The service node information of business node is defined as described optimal service nodal information.
9. device as claimed in claim 8, it is characterised in that also include:
Default node arranges module, for not finding described target the second outer net IP operator's informaiton and institute
When stating the C sector address of target the second Intranet IP, a default service nodal information is set as described optimal service
Nodal information.
10. the device as described in any one of claim 6-9, it is characterised in that described data obtaining module has
Body is used for:
The first current outer net IP operator's informaiton and the C section of the first Intranet IP is obtained by internal queries interface
Address.
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