CN107249038A - Business datum retransmission method and system - Google Patents
Business datum retransmission method and system Download PDFInfo
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- CN107249038A CN107249038A CN201710544524.0A CN201710544524A CN107249038A CN 107249038 A CN107249038 A CN 107249038A CN 201710544524 A CN201710544524 A CN 201710544524A CN 107249038 A CN107249038 A CN 107249038A
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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
- H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
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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
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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
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
- H04L67/1008—Server selection for load balancing based on parameters of servers, e.g. available memory or workload
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
This disclosure relates to a kind of business datum retransmission method and system.Coordination service device, forwarding server and service server are deployed in the server cluster of the business datum retransmission method, methods described includes：The coordination service device receives the business datum that client is sent；The coordination service device obtains candidate's forwarding server mark in the forwarding cluster set configured, and the forwarding cluster set stores the corresponding forwarding server mark of available forwarding server in the server cluster；The business datum is forwarded to candidate's forwarding server that candidate's forwarding server identifies instruction by the coordination service device；The business datum is forwarded to service server by candidate's forwarding server；The service server handles the business datum and met with a response data, and returns to the response data to the client.The availability of business datum forwarding can be effectively improved using the disclosure, and then improves the treatment effeciency of business datum.
Description
Technical field
This disclosure relates to Internet technical field, more particularly to a kind of business datum retransmission method and system.
Background technology
Client access service server where user, and during the service server accessed with it is interacted
Produced data are business datum.
With the fast development of Internet technology, number of users is increased rapidly, correspondingly, and service server needs to be processed
Business datum is also increased sharply therewith, and this necessarily causes the pressure of service server to exceed its scope that can bear.
Thus, solution of the prior art is to constitute server cluster by multiple service servers, and in the service
Coordination service device is disposed in device cluster, forwards different user corresponding by multiple service servers that are scheduling to of coordination service device
Business datum, alleviates the pressure of service server with this.
However, being limited by the disposal ability of coordination service device, easily there is business datum forwarding and interrupt and cause network to lose
Bag, causes business datum to send repeatedly, and then have impact on the treatment effeciency of business datum.
The content of the invention
In order to solve the above-mentioned technical problem, a purpose of the disclosure is to provide a kind of business datum retransmission method and is
System.
Wherein, the technical scheme that the disclosure is used for：
Coordination service device, forwarding server and business clothes are deployed in a kind of business datum retransmission method, server cluster
Business device, methods described includes：The coordination service device receives the business datum that client is sent；The coordination service device is by configuring
Forwarding cluster set in obtain candidate forwarding server mark, the forwarding cluster set is stored in the server cluster
The corresponding forwarding server mark of available forwarding server；The business datum is forwarded to the time by the coordination service device
The candidate's forwarding server for selecting forwarding server mark to indicate；The business datum is forwarded to industry by candidate's forwarding server
Business server；The service server handles the business datum and met with a response data, and returns to the response data to described
Client.
A kind of business datum repeater system, including be deployed in server cluster coordination service device, forwarding server and
Service server, wherein, the coordination service device is used for the business datum for receiving client transmission；The coordination service device is used for
Candidate's forwarding server mark is obtained in the forwarding cluster set configured, the forwarding cluster set stores the server
The corresponding forwarding server mark of available forwarding server in cluster；The coordination service device is used to turn the business datum
It is sent to candidate's forwarding server that candidate's forwarding server mark is indicated；Candidate's forwarding server is used for the industry
Data forwarding of being engaged in is to service server；The service server, which is used to handling the business datum, to meet with a response data, and returns
The response data is to the client.
Compared with prior art, the disclosure has the advantages that：
Coordination service device, forwarding server and service server are disposed in server cluster, is received by forwarding server
The business datum of coordination service device forwarding, then the business datum is forwarded to service server, turning for business datum is realized with this
Hair.
Specifically, coordination service device receives the business datum that client is sent, and in the forwarding cluster set configured
Candidate's forwarding server mark is obtained, and the candidate that business datum is forwarded into candidate's forwarding server mark instruction forwards and taken
Business device, is forwarded to service server, and then make it that service server processing should by business datum again by candidate's forwarding server
Business datum meets with a response data, and returns to response data to client, thus, in business datum repeating process, have passed through two
The one-level forwarding of level forwarding, i.e. coordination service device device and two grades of forwardings of forwarding server, while passing through candidate's forwarding server
The acquisition of mark has ensured the availability for the forwarding server for performing two grades of forwardings, and then ensure that two grades of forwardings of forwarding server
Smoothness, it is to avoid occur forwarding interrupt and cause Network Packet Loss, with this be effectively improved business datum forwarding availability,
So as to improve the treatment effeciency of business datum.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
The disclosure can be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the disclosure
Example, and be used in specification to explain the principle of the disclosure together.
Fig. 1 is the schematic diagram of the implementation environment according to involved by the disclosure；
Fig. 2 is a kind of block diagram of server according to an exemplary embodiment；
Fig. 3 is a kind of flow chart of business datum retransmission method according to an exemplary embodiment；
Fig. 4 is that Fig. 3 corresponds to flow chart of the step 330 in one embodiment in embodiment；
Fig. 5 is that Fig. 3 corresponds to flow chart of the step 350 in one embodiment in embodiment；
Fig. 6 is the flow chart of another business datum retransmission method according to an exemplary embodiment；
Fig. 7 is that Fig. 3 corresponds to flow chart of the step 370 in one embodiment in embodiment；
Fig. 8 is that another business datum retransmission method implements schematic diagram in an application scenarios；
Fig. 9 is a kind of block diagram of data forwarding system according to an exemplary embodiment；
Figure 10 is that Fig. 9 corresponds to block diagram of the coordination service device 700 in one embodiment in embodiment；
Figure 11 is that Fig. 9 corresponds to block diagram of the coordination service device 700 in another embodiment in embodiment；
Figure 12 is that Fig. 9 corresponds to block diagram of the forwarding server 800 in one embodiment in embodiment；
Figure 13 is that Fig. 9 corresponds to block diagram of the forwarding server 800 in another embodiment in embodiment.
Pass through above-mentioned accompanying drawing, it has been shown that the clear and definite embodiment of the disclosure, will hereinafter be described in more detail, these accompanying drawings
It is not intended to limit the scope that the disclosure is conceived by any mode with word description, but is by reference to specific embodiment
Those skilled in the art illustrate the concept of the disclosure.
Embodiment
Here explanation will be performed to exemplary embodiment in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended
The example of the consistent system and method for some aspects be described in detail in claims, the disclosure.
Fig. 1 is a kind of schematic diagram of the implementation environment involved by business datum retransmission method.The implementation environment includes user
Client 173, the server where equipment and server cluster, client 171 where the user equipment includes user and user
Coordination service device 110, forwarding server 130, service server 150 and domain name resolution server 190 are deployed in cluster 100.
The IP that wherein, client 171 passes through the corresponding destination server of the acquisition of domain name resolution server 190 business datum
Location, and sent the business datum to corresponding coordination service device 110 based on the IP address.
Coordination service device 110 can receive the business datum of the transmission of client 171 as the front end access point of client 171,
And the business datum is forwarded to forwarding server 130 as one-level forwarding server.
Forwarding server 130 receives the business datum of the forwarding of coordination service device 110, and should as two grades of forwarding servers
Business datum is forwarded to service server 150.
On the one hand, service server 150 receives the business datum that forwarding server 130 is forwarded, and handles the business datum
The data that meet with a response return to client 171；On the other hand, service server 150, can as the front end access point of client 173
Receive client 173 send business datum, and handle the business datum meet with a response data return client 173.
Optionally, between coordination service device 110 and forwarding server 130 can (solid line as shown in Figure 1) by interior
Net realizes the forwarding of business datum, and is deployed in same Virtual Server Cluster.Forwarding server 130 and service server
The forwarding of business datum can be then realized between 150 by public network network (dotted line as shown in Figure 1).
Optionally, client 171 and client 173 can use same business, and service server 150 is to support
The server of the business.
Optionally, client 171 is located at first area, and client 173, service server 150 are located at second area.This
When, the business datum that client 171 is sent to service server 150 belongs to the business datum of trans-regional transmission.
Fig. 2 is a kind of block diagram of server 200 according to an exemplary embodiment.It should be noted that the service
Device 200 is an example for adapting to the disclosure, it is impossible to be considered any limitation there is provided use scope of this disclosure.
The server 200 can not be construed to need to rely on or must have in the exemplary server 200 shown in Fig. 2
One or more component.
The hardware configuration of the server 200 can produce larger difference because of the difference of configuration or performance, such as Fig. 2 institutes
Show, server 200 includes：Power supply 210, interface 230, at least a storage medium 250 and an at least central processing unit (CPU,
Central Processing Units)270。
Wherein, power supply 210 is used to provide operating voltage for each hardware device on server 200.
Interface 230 includes at least one wired or wireless network interface 231, at least a string and translation interface 233, at least one defeated
Enter output interface 235 and at least USB interface 237 etc., be used for and external device communication.
The carrier that storage medium 250 is stored as resource, can be random storage medium, disk or CD etc., thereon
The resource stored includes operating system 251, application program 253 and data 255 etc., storage mode can be of short duration storage or
Permanently store.Wherein, operating system 251 is used to managing and controlling each hardware device and the application program on server 200
253, to realize calculating and processing of the central processing unit 270 to mass data 255, it can be Windows ServerTM, Mac
OS XTM, UnixTM, LinuxTM, FreeBSDTM etc..Application program 253 is to be based on completing at least one on operating system 251
The computer program of item particular job, it can include an at least module (not shown in Fig. 2), and each module can be wrapped respectively
Contain the sequence of operations instruction to server 200.Data 255 can be stored in photo in disk, picture etc..
Central processing unit 270 can include the processor more than one or more, and be set to storage be situated between by bus
Matter 250 communicates, for computing and the mass data 255 in processing storage medium 250.
As described in detail above, storage Jie will be read by central processing unit 270 by being applicable the server 200 of the disclosure
The form of the sequence of operations instruction stored in matter 250 carries out data forwarding.
In addition, also can equally realize the disclosure by hardware circuit or hardware circuit combination software instruction, therefore, realize
The disclosure is not limited to any specific hardware circuit, software and both combinations.
Referring to Fig. 3, in one exemplary embodiment, a kind of business datum retransmission method is applied to implement ring shown in Fig. 1
The server cluster 100 in border, this kind of business datum retransmission method can be by the He of coordination service device 110 in server cluster 100
Forwarding server 130, which coordinates, to be performed, and may comprise steps of：
Step 310, coordination service device receives the business datum that client is sent.
As it was previously stated, business datum is client access service server, and interacted with the service server that it is accessed
During produce.
Business datum is corresponding with client, including video data, image data, speech data etc..For example, video data
It can correspond to video class client.Image data can correspond to map class client.
The business that service server would generally be provided for it sets corresponding access entrance, and phase is provided as client
Pass business.For example, access entrance can be a network address.
For client, the access entrance access service server that will be provided according to service server, and then by industry
Business server provides related business to the client.For example, when access entrance is a network address, then client will be to domain name mapping
Server submits the network address, and then obtains the IP address of service server returned by domain name resolution server.
In the present embodiment, coordination service device provides access entrance as the front end access point of client to client, and then
So that client accesses coordination service device, i.e. client by the access entrance sends business datum to coordination service device.
Further, coordination service device obtains business datum actually corresponding business clothes by the list of gateways being pre-configured with
Business device, and then realize that business datum is forwarded to service server.Wherein, associated storage coordination service device and industry in list of gateways
The relevant information of business server, for example, relevant information can be IP address.
Step 330, coordination service device obtains candidate's forwarding server mark in the forwarding cluster set configured.
Wherein, forwarding cluster set stores the corresponding forwarding server mark of available forwarding server in server cluster
Know.For example, forwarding cluster set is the form of list.
Thus, candidate's forwarding server is identified for indicating the available forwarding server of some in server cluster.Should
Available forwarding server refers to the server in normal operating condition.For example, the server of deadlock or failure is to be in
Abnormal operating condition.
Further, the set of forwarding cluster can be with real-time update, for example, the forwarding server of abnormal operating condition is corresponding
Forwarding server mark by services sets cluster conjunction in reject, or, will recover normal operating condition forwarding server correspondence
Forwarding server mark again added to forwarding cluster set in.
Further, coordination service device can carry out the choosing of candidate's forwarding server mark according to default candidate rule
Take.The default candidate rule can be that forwarding server load capacity is most light, forwarding server packet loss is minimum, forwarding server
CPU usage is minimum, the highest priority of forwarding server etc..Correspondingly, the forwarding clothes of the default candidate rule are met
The corresponding forwarding server mark of business device is considered as candidate's forwarding server mark.
By being arranged such, the fairness of business datum forwarding is realized, that is, forwards each forwarding server in cluster
Have an opportunity to turn into candidate's forwarding server, and then be effectively improved the utilization of the network bandwidth in forwarding data forwarding process
Rate.
In addition, coordination service device can also carry out load balancing to forwarding server, with this ensure forwarding server can
With property, and then effectively ensure that the forwarding of forwarding server is smooth.
Step 350, business datum is forwarded to candidate's forwarding clothes that candidate's forwarding server mark is indicated by coordination service device
Business device.
The business datum forwarding that coordination service device is carried out can be carried out by Intranet special line, can also be real by public network network
Apply.
More preferably, if business datum forwarding belongs to trans-regional, i.e., client is located at different zones with service server, this
When, the business datum carried out by Intranet special line, which is forwarded, can be achieved network acceleration, and network packet loss rate is advantageously reduced with this, and then
Improve the network experience of user.
Step 370, business datum is forwarded to service server by candidate's forwarding server.
Wherein, the business datum forwarding that candidate's forwarding server is carried out passes through public network network implementation.
Further, one services sets cluster of configuration is closed in candidate's forwarding server, wherein storing in server cluster
The corresponding service server mark of available service server, the available service server refers in normal operating condition
Server.For example, the server of deadlock or failure is in abnormal operating condition.
Further, the conjunction of services sets cluster can be with real-time update, for example, the service server of abnormal operating condition is corresponding
Service server mark by services sets cluster conjunction in reject, or, will recover normal operating condition service server correspondence
Service server mark again added to services sets cluster close in.
Further, multiple available service servers are included in server cluster, correspondingly, during services sets cluster is closed
Store the corresponding service server mark of multiple available service servers, then can be according to default candidate rule by business
Service server mark is selected in cluster set as candidate Traffic server identification, is referred to by the candidate Traffic server identification
The candidate Traffic server shown carries out business data processing.
The default candidate rule can be that service server load capacity is most light, service server packet loss is minimum, business
Server CPU usage is minimum, the highest priority of service server etc..
Step 390, service server processing business data meet with a response data, and return to response data to client.
By process as described above, in business datum repeating process, the one of two level forwarding, i.e. coordination service device device have passed through
Level forwarding and two grades of forwardings of forwarding server, while the acquisition identified by candidate's forwarding server has ensured that two grades of execution turns
The availability of the forwarding server of hair, and then ensure that the smoothness of two grades of forwardings of forwarding server, it is to avoid there is forwarding and interrupt
And Network Packet Loss is caused, the availability of business datum forwarding is effectively improved with this, so as to improve the processing of business datum
Efficiency.
Referring to Fig. 4, in one exemplary embodiment, step 330 can be performed by coordination service device, it can include following
Step：
Step 331, by the operation conditions of forwarding server in monitoring server cluster, forwarding cluster set transfer is obtained
Send out the corresponding load information of server identification.
In the present embodiment, the principle based on load balancing, the acquisition identified using load information as candidate's forwarding server
Foundation.
Wherein, load information reflects the connection number for the forwarding server that forwarding server mark is indicated.That is, negative
The connection number of forwarding server is contained in information carrying breath, is the connection number that would know that forwarding server according to load information, that is,
The load for knowing forwarding server is light or again, and then judges whether to can continue to the forwarding server forwarding service number
According to.
Because the operation conditions of forwarding server can be by connecting the shapes such as number, CPU usage, network rate, packet loss
Formula is represented.Based on this, the acquisition of load information can be monitored realization by the operation conditions to forwarding server.
Specifically, the connection number of the forwarding server indicated forwarding server identification in forwarding cluster set is supervised
Control, you can obtain the connection number of forwarding server, and corresponding load information is identified as forwarding server.
Step 333, load information is screened, obtains connecting the minimum load information of number.
Step 335, it is used as candidate's forwarding server to connect the corresponding forwarding server mark of the minimum load information of number
Mark.
In other words, the connection number for candidate's forwarding server that candidate's forwarding server mark is indicated is minimum, coordination service
Device will be selected to candidate's forwarding server forwarding service data.
It should be appreciated that the selection result of load information may be different every time, correspondingly, coordination service device will be more
The forwarding of business datum is carried out between individual forwarding server in turn, and then realizes the load balancing between multiple forwarding servers,
So as to be conducive to alleviating network congestion, the delay of data forwarding is reduced, and then effectively improves the treatment effeciency of business datum.
By process as described above, realize coordination service device and balance the load of forwarding server, and then be conducive to protecting
The forwarding for demonstrate,proving forwarding server is smooth, reduces network delay, further improves the treatment effeciency of business datum.
Further, in one exemplary embodiment, method as described above can also comprise the following steps：
Coordination service device is by the operation conditions of forwarding server in monitoring server cluster, and triggering, which forward, collects cluster
The renewal of server identification is forwarded in conjunction.
It should be appreciated that during business datum forwarding is carried out, exception may occur at any time for forwarding server, such as extremely
Machine, failure etc., if excluding abnormal forwarding server not in time, may cause the forwarding of business datum to be interrupted, and then
Influence the treatment effeciency of business datum.
Accordingly, it would be desirable to be updated forwarding server identification in forwarding cluster set, ensure to forward cluster set with this
The forwarding server that middle forwarding server identification is indicated is available.
As it was previously stated, the operation conditions of forwarding server can be by connecting number, CPU usage, network rate, packet loss
Represented etc. form.Thus, just can be in real time by being monitored to connection number, CPU usage, network rate, packet loss etc.
Know whether forwarding server there occurs exception.
If for example, the packet loss for monitoring forwarding server remains high, showing that the forwarding server there may be
It is abnormal.
Based on this, in the present embodiment, according to the operation conditions of the forwarding server monitored, forwarding is taken in cluster set
Forwarding server mark be updated.
Specifically, when the operation conditions for monitoring forwarding server is abnormal, then by the forwarding server of abnormal operating condition
Corresponding forwarding server mark is deleted in forwarding cluster set.
When the operation conditions for monitoring forwarding server is switched to normally by abnormal, then the forwarding of normal operational condition is taken
The corresponding forwarding server mark of device of being engaged in is added in forwarding cluster set.
In the presence of above-described embodiment, the real-time update that server identification is forwarded in forwarding cluster set is realized, it is complete
The full forwarding for avoiding business datum is interrupted, and is conducive to further improving service availability.
In one exemplary embodiment, method as described above can be performed by coordination service device, can also be included following
Step：
Coordination service device configures an IPIP tunnels at its own between forwarding server.
Wherein, IPIP tunnels are used for the IP that encapsulation is transmitted between the coordination service device and forwarding server of different IP addresses
Packet, the IP packets of the encapsulation are that the business datum progress packet encapsulation that coordination service device is sent to client is obtained
's.
IPIP tunnels be preconfigured in during server cluster deployment coordination service device and forwarding server it
Between.Specifically, the configuration in IPIP tunnels is the IP address that coordination service device is bound on forwarding server, so forwarding clothes
Business device can judge whether the destination of business datum in the IP packets encapsulated closes after receiving the IP packets of encapsulation
Method, and then it is advantageously implemented the IP address by IPIP tunnels transparent transmission client.
More preferably, the transmission of Intranet special line is implemented in IPIP tunnels, so that when advantageously reducing transregional domain business data forwarding
Network packet loss rate.
Correspondingly, referring to Fig. 5, step 350 is performed by coordination service device, it may comprise steps of：
Step 351, packet encapsulation is carried out to business datum.
In order that the business datum that client is sent can be forwarded by IPIP tunnels, and before forwarding, the business
Data need to carry out packet encapsulation.
Specifically, business datum is encapsulated into a new IP packet, the source address of the new IP packets is association
The IP address of server is adjusted, destination address is then the IP address of candidate's forwarding server.
Complete after encapsulation, the new IP packets just can be forwarded to candidate by IPIP tunnels according to destination address and turn
Send out server.
It should be noted that the business datum that client is sent is also to exist in the form of IP packets in itself, area herein
Not be defined as old IP packets in foregoing new IP packets, the source address of the old IP packets is client
IP address, destination address is then the IP address of coordination service device.
Step 353, the business datum after encapsulation is forwarded to by candidate's forwarding server by IPIP tunnels.
Further, referring to Fig. 6, in one exemplary embodiment, before step 370, method as described above may be used also
To comprise the following steps：
Step 410, candidate's forwarding server receives business datum by IPIP tunnels.
Step 430, business datum is carried out extracting client in resolve packet, and business datum after parsing
IP address.
Step 450, the business datum by the IP address of client added to after parsing.
As it was previously stated, business datum can carry out packet encapsulation in order to be forwarded in IPIP tunnels.
Correspondingly, what candidate's forwarding server was received is the business datum by packet encapsulation, thus, candidate's forwarding
Server carries out resolve packet, i.e., carried business datum in new IP packets first after business datum is received
Take out.
Now, the business datum extracted is that client is sent to coordination service device, the source of the business datum
Location is the IP address of client, and destination address is the IP address of coordination service device.
During due to IPIP tunnel configurations, the IP address of coordination service device has been bound in forwarding server, therefore, forwarding service
Device confirms that the destination address of the business datum extracted is legal, and then before just being forwarded to the business datum
Pretreatment.That is, the IP address of the client is added in business datum, so that service server is obtained.
For example, the kernel module for viewing client-side IP address that addition manner can be supported based on service server,
The IP address of client is added i.e. in other fields of the corresponding IP packets of business datum.
In said process, because the source address in the business datum that extracts is the IP address of client, with this reality
The transparent transmission of client ip address in one-level repeating process is showed.
Further, in one exemplary embodiment, step 370 is performed by candidate server, can include following step
Suddenly：
The business datum of IP address comprising client is forwarded to service server.
Correspondingly, method as described above can also comprise the following steps：
Service server obtains the IP address of the client in the business datum received.
For service server, after the business datum of the IP address comprising client is received, just it can adjust
The kernel module supported with it carries out checking for client ip address, i.e., by other words of the corresponding IP packets of business datum
The IP address of client is obtained in section.
By the cooperation of above-described embodiment, the transparent transmission of client ip address in two grades of repeating process is realized, and then favorably
Client ip address is counted and verified in service server, so as to ensure the security in business datum repeating process.
Referring to Fig. 7, in one exemplary embodiment, step 370 is performed by candidate's forwarding server, it can include following
Step：
Step 371, candidate Traffic server identification is obtained in the services sets cluster conjunction configured.
Step 373, business datum is forwarded to the service server of candidate Traffic server identification instruction.
Wherein, services sets cluster, which is closed, stores the corresponding service server mark of available service server in server cluster
Know.It is to be pre-configured in during server cluster deployment on candidate's forwarding server that services sets cluster, which is closed,.For example, business
Cluster set is the form of list.
Thus, candidate Traffic server identification is used to indicate the available service server of some in server cluster.
Further, candidate's forwarding server can carry out candidate Traffic server identification according to default candidate rule
Choose.The default candidate rule can be that service server load capacity is most light, service server packet loss is minimum, business service
Device CPU usage is minimum, the highest priority of service server etc..Correspondingly, the business of the default candidate rule is met
The corresponding service server mark of server is considered as candidate Traffic server identification.
By being arranged such, the fairness of business datum forwarding, i.e. each service server in business cluster are realized
Have an opportunity to turn into candidate Traffic server, and then be effectively improved the utilization of the network bandwidth in business datum repeating process
Rate.
In one exemplary embodiment, method as described above can also comprise the following steps：
Candidate's forwarding server is by the operation conditions of monitoring business server, business in triggering progress services sets cluster conjunction
The renewal of server identification.
It should be appreciated that during business data processing, exception may occur for service server, such as deadlock, failure etc.,
If excluding abnormal service server not in time, the treatment effeciency of business datum may be influenceed.
Accordingly, it would be desirable to be updated to service server mark in business group set, in ensureing that services sets cluster is closed with this
The service server that service server mark is indicated is available.
As it was previously stated, the operation conditions of service server can also be by connecting number, CPU usage, network rate, packet loss
The forms such as rate represent, and then by being monitored to connection number, CPU usage, network rate, packet loss etc., just can be real-time
Ground knows whether service server there occurs exception.
Based on this, in the present embodiment, according to the operation conditions of the service server monitored, in being closed to services sets cluster
Service server mark is updated.
Specifically, when the operation conditions for monitoring service server is abnormal, then by the service server of abnormal operating condition
Corresponding service server mark is deleted in the conjunction of services sets cluster.
When the operation conditions for monitoring service server is switched to normally by abnormal, then the business of normal operational condition is taken
During the corresponding service server mark of device of being engaged in is closed added to services sets cluster.
In the presence of above-described embodiment, the real-time update that service server is identified during services sets cluster is closed is realized, is kept away
The processing for having exempted from business datum is interrupted, and is conducive to further improving service availability.
In addition, candidate's forwarding server can also be that service server realizes load balancing by default dispatching algorithm,
Alleviate the pressure of service server, and then effectively ensure the processing reliability of business datum.For example, default dispatching algorithm is
WRR (Weighted Round Robin, weighted round-robin scheduling) algorithm.
Fig. 8 is that a kind of business datum retransmission method implements schematic diagram in an application scenarios.
In the application scenarios, client where user is located at regional, and service server is located at overseas region.
When client is intended to the business that access service server is provided where user, obtained first by domain name resolution server
One IP address, and sent business datum to corresponding coordination service device according to the IP address.
The forwarding of one-level Intranet special line and two grades of public network forwardeds of forwarding server by coordination service device, business
Server handles the data that meet with a response to the business datum progress received, and response data is back into client.
Forwarded by business datum as described above, network packet loss rate is substantially reduced, as shown in table 1.
Table 1
Following is disclosure system embodiment, can be used for performing the business datum retransmission method involved by the disclosure.It is right
The details not disclosed in disclosure system embodiment, refer to the business datum retransmission method embodiment involved by the disclosure.
Referring to Fig. 9, in one exemplary embodiment, a kind of data forwarding system includes being deployed in server cluster
Coordination service device 700, forwarding server 800 and service server 900.
Wherein, coordination service device 700 is used for the business datum for receiving client transmission.
Coordination service device 700 is used to obtain candidate's forwarding server mark in the forwarding cluster set configured.Forwarding collection
Cluster, which is closed, stores the corresponding forwarding server mark of available forwarding server in server cluster.
Coordination service device 700 is used to business datum being forwarded to candidate's forwarding service that candidate's forwarding server mark is indicated
Device.
Candidate's forwarding server 800 is used to business datum being forwarded to service server.
Service server 900 meets with a response data for processing business data, and returns to response data to client.
Referring to Fig. 10, in one exemplary embodiment, coordination service device 700 includes but is not limited to：Load information is obtained
Module 710, load information screening module 730 and forwarding identifier acquisition module 750.
Wherein, load information acquisition module 710 is used for the operation conditions for passing through forwarding server in monitoring server cluster,
Obtain the corresponding load information of forwarding server identification in forwarding cluster set.Load information reflects forwarding server mark and referred to
The connection number of the forwarding server shown.
Load information screening module 730 is used to screen load information, obtains connecting the minimum load information of number.
Forwarding identifier acquisition module 750 be used for using connect the corresponding forwarding server mark of the minimum load information of number as
Candidate's forwarding server is identified.
Further, in one exemplary embodiment, coordination service device 700 includes but is not limited to：Forwarding mark updates mould
Block.
Wherein, forwarding mark update module is used for the operation conditions for passing through forwarding server in monitoring server cluster, touches
Hair forwarded in forwarding cluster set the renewal of server identification.
In one exemplary embodiment, coordination service device 700 includes but is not limited to：Tunnel configuration module.
Wherein, tunnel configuration module is used to configure an IPIP tunnels between forwarding server at its own.
Correspondingly, Figure 11 is referred to, coordination service device 700 also includes but is not limited to：Packet encapsulation module 770 and data
Bag transport module 790.
Wherein, packet encapsulation module 770 is used to carry out packet encapsulation to business datum.
Packet transport module 790 is used to the business datum after encapsulation is forwarded into candidate's forwarding service by IPIP tunnels
Device.
Figure 12 is referred to, in one exemplary embodiment, candidate's forwarding server 800 includes but is not limited to：Packet connects
Receive module 810, resolve packet module 830 and address add module 850.
Wherein, packet-receiving module 810 is used to receive business datum by IPIP tunnels.
Resolve packet module 830 is used to carry out business datum resolve packet, and in the business datum after parsing
Extract the IP address of client.
Address add module 850 is used for the business datum added to after parsing by the IP address of client.
In one exemplary embodiment, candidate's forwarding server 800 also includes but is not limited to：Data forwarding module.
Wherein, data forwarding module is used to the business datum of the IP address comprising client being forwarded to service server.
Correspondingly, service server 900 includes but is not limited to：
Address acquisition module, the IP address for obtaining client in the business datum by receiving.
Figure 13 is referred to, in one exemplary embodiment, candidate's forwarding server 800 also includes but is not limited to：Business mark
Know acquisition module 870 and forwarding indicating module 890.
Wherein, service identification acquisition module 870 is used to obtain candidate Traffic server in the services sets cluster conjunction configured
Mark.Services sets cluster, which is closed, stores the corresponding service server mark of available service server in server cluster.
Forwarding indicating module 890 is used for the business service that business datum is forwarded to the instruction of candidate Traffic server identification
Device.In one exemplary embodiment, candidate's forwarding server 800 also includes but is not limited to：Service identification update module.
Wherein, service identification update module is used for the operation conditions for passing through service server in monitoring server cluster, touches
Hair carries out the renewal that service server is identified in services sets cluster conjunction.
It should be noted that the data forwarding system that above-described embodiment is provided is when carrying out data forwarding, only with above-mentioned
The division progress of each functional module is for example, in practical application, as needed can distribute above-mentioned functions by different
Functional module is completed, i.e., the internal structure of data forwarding system will be divided into different functional modules, described above to complete
All or part of function.
In addition, data forwarding system and the embodiment of business datum retransmission method that above-described embodiment is provided belong to same
The concrete mode that design, wherein modules perform operation is described in detail in embodiment of the method, herein no longer
Repeat.
The preferable examples embodiment of the above, the only disclosure, the embodiment for being not intended to limit the disclosure, this
Field those of ordinary skill can very easily carry out corresponding flexible or repair according to the central scope and spirit of the disclosure
Change, therefore the protection domain of the disclosure should be defined by the protection domain required by claims.
Claims (15)
1. a kind of business datum retransmission method, it is characterised in that coordination service device, forwarding server are deployed in server cluster
And service server, methods described includes：
The coordination service device receives the business datum that client is sent；
The coordination service device obtains candidate's forwarding server mark, the forwarding collection cluster in the forwarding cluster set configured
Conjunction stores the corresponding forwarding server mark of available forwarding server in the server cluster；
The business datum is forwarded to candidate's forwarding clothes that candidate's forwarding server identifies instruction by the coordination service device
Business device；
The business datum is forwarded to service server by candidate's forwarding server；
The service server handles the business datum and met with a response data, and returns to the response data to the client
End.
2. the method as described in claim 1, it is characterised in that the coordination service device is obtained in the forwarding cluster set configured
Candidate's forwarding server is taken to identify, including：
By monitoring the operation conditions of forwarding server in the server cluster, obtain in the forwarding cluster set and forward clothes
The corresponding load information of device mark of being engaged in, the load information reflects the connection for the forwarding server that forwarding server mark is indicated
Number；
The load information is screened, obtains connecting the minimum load information of number；
Candidate's forwarding server mark is used as to connect the corresponding forwarding server mark of the minimum load information of number.
3. the method as described in claim 1, it is characterised in that methods described also includes：
The coordination service device carries out described turn by monitoring the operation conditions of forwarding server in the server cluster, triggering
Send out the renewal that server identification is forwarded in cluster set.
4. the method as described in claim 1, it is characterised in that methods described also includes：
The coordination service device configures an IPIP tunnels at its own between forwarding server；
Correspondingly, the business datum is forwarded to the candidate that candidate's forwarding server identifies instruction by the coordination service device
Forwarding server, including：
Packet encapsulation is carried out to the business datum；
Business datum after encapsulation is forwarded to by candidate's forwarding server by the IPIP tunnels.
5. method as claimed in claim 4, it is characterised in that the business datum is forwarded to by candidate's forwarding server
Before service server, methods described also includes：
Candidate's forwarding server receives the business datum by the IPIP tunnels；
With to the business datum extract the IP of the client in resolve packet, and business datum after parsing
Location；
By business datum of the IP address of the client added to after parsing.
6. method as claimed in claim 5, it is characterised in that the business datum is forwarded to by candidate's forwarding server
Service server, including：
The business datum of IP address comprising the client is forwarded to the service server；
Correspondingly, methods described also includes：
The service server obtains the IP address of the client in the business datum received.
7. the method as described in claim 1 or 6, it is characterised in that candidate's forwarding server turns the business datum
Service server is sent to, including：
Candidate Traffic server identification is obtained in the services sets cluster conjunction configured, the services sets cluster is closed and stores the clothes
It is engaged in the corresponding service server mark of available service server in device cluster；
The business datum is forwarded to the service server that the candidate Traffic server identification is indicated.
8. method as claimed in claim 7, it is characterised in that methods described also includes：
Candidate's forwarding server carries out institute by monitoring the operation conditions of service server in the server cluster, triggering
State the renewal that service server is identified during services sets cluster is closed.
9. a kind of business datum repeater system, it is characterised in that including be deployed in server cluster coordination service device, forwarding
Server and service server, wherein,
The coordination service device is used for the business datum for receiving client transmission；
The coordination service device is used to obtain candidate's forwarding server mark in the forwarding cluster set configured, the forwarding collection
Cluster, which is closed, stores the corresponding forwarding server mark of available forwarding server in the server cluster；
The coordination service device is used to the business datum being forwarded to the candidate turn that candidate's forwarding server identifies instruction
Send out server；
Candidate's forwarding server is used to the business datum being forwarded to service server；
The service server, which is used to handling the business datum, to meet with a response data, and returns to the response data to the visitor
Family end.
10. system as claimed in claim 9, it is characterised in that the coordination service device includes：
Load information acquisition module, for the operation conditions by monitoring forwarding server in the server cluster, obtains institute
The corresponding load information of forwarding server identification in forwarding cluster set is stated, the load information reflects forwarding server mark
The connection number of the forwarding server of instruction；
Load information screening module, for screening the load information, obtains connecting the minimum load information of number；
Identifier acquisition module is forwarded, for being waited to connect the corresponding forwarding server mark of the minimum load information of number as described
Forwarding server is selected to identify.
11. system as claimed in claim 9, it is characterised in that the coordination service device includes：
Forwarding mark update module, for the operation conditions by monitoring forwarding server in the server cluster, trigger into
The renewal of server identification is forwarded in the row forwarding cluster set.
12. system as claimed in claim 9, it is characterised in that the coordination service device includes：
Tunnel configuration module, for configuring an IPIP tunnels between forwarding server at its own；
Correspondingly, the coordination service device also includes：
Packet encapsulation module, for carrying out packet encapsulation to the business datum；
Packet transport module, takes for the business datum after encapsulation to be forwarded into candidate's forwarding by the IPIP tunnels
Business device.
13. system as claimed in claim 12, it is characterised in that candidate's forwarding server includes：
Packet-receiving module, for receiving the business datum by the IPIP tunnels；
Resolve packet module, for being carried in the business datum to business datum progress resolve packet, and after parsing
Take out the IP address of the client；
Address add module, for the business datum by the IP address of the client added to after parsing.
14. system as claimed in claim 13, it is characterised in that candidate's forwarding server also includes：
Data forwarding module, for the business datum of the IP address comprising the client to be forwarded into the service server；
Correspondingly, the service server includes：
Address acquisition module, the IP address for obtaining the client in the business datum by receiving.
15. the system as described in claim 9 or 14, it is characterised in that candidate's forwarding server also includes：
Service identification acquisition module, candidate Traffic server identification, the industry are obtained in being closed for the services sets cluster by configuring
Business cluster set stores the corresponding service server mark of available service server in the server cluster；
Indicating module is forwarded, for the business datum to be forwarded into the business service that the candidate Traffic server identification is indicated
Device.
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