CN103414582B - Synchronous method, device and the network equipment between standby usage process - Google Patents
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Abstract
The present invention provides synchronous method, device and the network equipment between a kind of standby usage process.Method includes: active process receives user's request；Asking to perform N number of step of response process according to described user, generate error correction information for i step therein, N is natural number, and i is the natural number less than or equal to N；Synchronizing information is sent to standby process, described synchronizing information includes that described user asks, and j error correction information in the error correction information that generates of described i step, so that described user request is responded by described standby process, and according to described j error correction information, the response process of described standby process is carried out error correction, and j is the natural number less than or equal to i.
Description
Technical field
The present invention relates to mechanics of communication, particularly relate to the synchronous method between a kind of standby usage process, device and
The network equipment.
Background technology
In data communication field, support in the network equipment of multi-process, often can be by starting service processes
Receive certain service request, process data and return response message.When the network equipment provides certain
During the process only one of which that item services, once this process breaks down, and may result in the interruption of service.
Therefore, the standby process backup as active process can usually be passed through.Active process and standby process it
Between need to carry out the synchronization of data, i.e. active process and state and data backuped to standby process, so
Just can accomplish that once active process breaks down, standby process replaces active process to provide service.
In prior art, batch backup can be passed through between active process and standby process, back up in realtime
Synchronize etc. mode.But batch backup is because the data volume of disposable transmission is very big, can easily affect
Service performance, therefore unsuitable high-frequency use, certain interval of time is carried out once.If but standby
The interior during this period of time active process at part interval breaks down, it would be possible to cause Backup Data to be lost.So,
One perfect standby system also needs to support and backs up in realtime, the shape that i.e. active process will change every time
State, configuration and data are all sent to backup process.
The current synchronization between standby usage process usually there will be error in data, mistake once occurs, just
Active process is needed to resend to standby process by whole states, configuration and data, in this case
The interaction times between standby usage process and data volume can be increased.
Summary of the invention
The present invention provides synchronous method, device and the network equipment between a kind of standby usage process, effectively reduces
Interaction times between standby usage process and mutual data volume.
First aspect, embodiments provides the synchronous method between a kind of standby usage process, including:
Active process receives user's request；
Ask to perform N number of step of response process according to described user, generate for i step therein and entangle
Wrong information, N is natural number, and i is the natural number less than or equal to N；
Sending synchronizing information to standby process, described synchronizing information includes that described user asks, Yi Jisuo
State j error correction information in the error correction information that i step generates, so that described standby process is to described user
Request responds, and according to described j error correction information, carries out the response process of described standby process
Error correction, j is the natural number less than or equal to i.
Second aspect, embodiments provides the synchronous method between a kind of standby usage process, including:
Standby process receives the synchronizing information that active process sends, and described synchronizing information includes that user asks
And j error correction information, j is natural number；
Ask to perform N number of step of response process according to described user, generate for i step therein and entangle
Wrong information, N is the natural number more than or equal to j, and i be less than or equal to N, more than or equal to oneself of j
So number；
In the error correction information that described j error correction information and described i step generate, obtain synchronised respectively
Rapid error correction information compares, and using steps different for comparative result as step of makeing mistakes, to makeing mistakes, step is entered
Row error correction；
After error correction success, described standby process performs the synchronizing process with described active process.
The third aspect, embodiments provides the synchronizer between a kind of standby usage process, including:
Receiver module, is used for receiving user's request；
Processing module, for asking to perform N number of step of response process, for therein according to described user
I step generates error correction information, and N is natural number, and i is the natural number less than or equal to N；
Sending module, for sending synchronizing information to standby process, described synchronizing information includes described use
Family is asked, and j error correction information in the error correction information of described i step generation, so that described standby
Described user request is responded by process, and according to described j error correction information, to described standby process
Response process carry out error correction, j is the natural number less than or equal to i.
Fourth aspect, embodiments provides the synchronizer between a kind of standby usage process, including:
Receiver module, for receiving the synchronizing information that active process sends, described synchronizing information includes using
Family request and j error correction information, j is natural number；
Respond module, for asking to perform N number of step of response process, for therein according to described user
I step generates error correction information, and N is the natural number more than or equal to j, and i is less than or equal to N, greatly
In or equal to the natural number of j；
Correction module, in the error correction information in described j error correction information and described i step generation,
The error correction information obtaining same steps respectively compares, using steps different for comparative result as step of makeing mistakes,
To makeing mistakes, step carries out error correction；
Synchronization module, after error correction success, described standby process performs synchronization with described active process
Process.
5th aspect, embodiments provides a kind of network equipment, including: two kinds as above
Synchronizer.
The scheme that the present invention provides, generates in N number of step process of active process response user's request and entangles
Wrong information, and user's request and error correction information are sent to standby process so that standby process can to
Family request responds, and the response process generated standby process according to error correction information carries out error correction.This
The scheme that inventive embodiments provides effectively prevent the diffusion of mistake in standby process so that between active and standby process
Interaction times and quantity can be reduced, and reach the most hot standby effect.
Accompanying drawing explanation
Synchronous method flow chart between the standby usage process that Fig. 1 provides for the embodiment of the present invention one；
Synchronous method flow chart between the standby usage process that Fig. 2 provides for the embodiment of the present invention two；
Synchronous method flow chart between the standby usage process that Fig. 3 provides for the embodiment of the present invention three；
Synchronous method flow chart between the standby usage process that Fig. 4 provides for the embodiment of the present invention four；
Synchronizer structural representation between the standby usage process that Fig. 5 provides for the embodiment of the present invention five；
Synchronizer structural representation between the standby usage process that Fig. 6 provides for the embodiment of the present invention six；
The another structural representation of the synchronizer between the standby usage process that Fig. 7 provides for the embodiment of the present invention six
Figure；
The structural representation of a kind of network equipment that Fig. 8 provides for the embodiment of the present invention.
Detailed description of the invention
Synchronous method flow chart between the standby usage process that Fig. 1 provides for the embodiment of the present invention one, such as Fig. 1
Shown in, the method includes:
101, active process receives user's request.
Process is that the basis of operating system configuration is it can be understood as a program example being carrying out.And
Program is the collection of the command sequence write with computer language for realizing specific objective or solve particular problem
Close.One program can include the description to data and the description to operation.Description to data refers to
The type of data to be specified and the type of organization of data, i.e. data structure (Data structure).
Description i.e. operating procedure to operation, namely algorithm (Algorithm).Therefore, for user not
With request, response process also has identical or different operating procedures.The division of step be also have multiple can
Energy property, such as, will compare main logic individual path as a step.
102, active process is asked according to user, performs N number of step of response process, and is i therein
Individual step generates error correction information, and wherein, N is natural number, and i is the natural number less than or equal to N.
The generating mode of error correction information can be, but not limited to include: check code (or check bit), verification and
((Cyclic Redundancy Check is referred to as: CRC) for Checksum, such as cyclic redundancy check (CRC)
Algorithm), the hashed value (such as Message Digest Algorithm 5 (Message-Digest of raw information
Algorithm5, referred to as: MD5/ SHA (Secure Hash Algorithm, referred to as:
SHA) etc..
Active process can generate the situation of the error correction information of Overall Steps, i.e. i=N；Can also generating unit
Error correction information step by step, i.e. the situation of i ＜ N, this i step can be the step made an appointment, also
It can be the step that randomly chooses of active process.
103, active process sends synchronizing information to standby process, and this synchronizing information includes that user asks,
And j error correction information in the error correction information (follow-up referred to as i error correction information) of i step generation,
So that user's request is responded by standby process, and according to j the error correction information sound to standby process
Answering process to carry out error correction, j is the natural number less than or equal to i.
J can be equal to i, and i the error correction information that also will generate all is sent to standby process；J can also be little
In i, part error correction information is i.e. selected to be sent to standby carrying out in i error correction information.This j error correction letter
Breath can be the error correction information that active process is corresponding with the step that standby process is made an appointment, it is also possible to be
The error correction information that j step randomly choosing from i step is corresponding.Therefore, synchronizing information is also needed
It is noted that in synchronizing information the step mark that can also include that j error correction information is corresponding, so that
Standby process is it is recognized that active process have sent the error correction information which step is corresponding.Step mark
Effect may refer to show that standby process generates the error correction information of corresponding steps, or, instruction standby process from
The error correction information generated obtains the error correction information of corresponding steps.
Can be to use interprocess communication mode (such as Unix domain between active process and standby process
Socket) interact.Standby process through initializing, has been effectively ensured standby process starting point when creating
State is consistent with active process.
The scheme that the embodiment of the present invention provides, in N number of step process of active process response user's request
Generate error correction information, and user's request and error correction information are sent to standby process so that standby process can
To respond user's request, and the response process generated standby process according to error correction information entangles
Wrong.The scheme that the embodiment of the present invention provides effectively prevent the diffusion of mistake in standby process so that active and standby
Interaction times and quantity can be reduced between process, and reach the most hot standby effect.
On the basis of above-mentioned embodiment, embodiment two as shown in Figure 2, in the enforcement shown in Fig. 1
On the basis of example one, the method can also include:
104, active process receives the synchronization request that standby process sends, and in this synchronization request, carrying about standby enters
Journey asks to perform the mark of the unsuccessful step of error correction in response process according to user.
If standby process cannot carry out successful correction to some step, will be somebody's turn to do to active process request
The correct Step Information that the unsuccessful step of error correction is relevant, at this moment, standby process will be sent out to active process
Send synchronization request, and the mark of unsuccessful for error correction step is carried in synchronization request.
105, according to the mark of the unsuccessful step of error correction, by unsuccessful for this error correction preserved in active process
The step data of step be sent to standby process so that standby process can be according to above-mentioned steps data pair
The unsuccessful step of error correction carries out error correction.
Owing to only carrying the relevant Step Information of the unsuccessful step of error correction rather than full detail, have
Effect decreases the data exchange capacity between standby usage process.Moreover, it is also possible to be effectively ensured in standby process
Existing mistake is effectively corrected.
Synchronous method flow chart between the standby usage process that Fig. 3 provides for the embodiment of the present invention three, Fig. 1 and
The scheme that this method is all provided by Fig. 2 from active process side is described, and carries in the present embodiment three
The method of confession is the description carried out from standby process side, as it is shown on figure 3, the method includes:
301, standby process receives the synchronizing information that active process sends, and this synchronizing information includes that user please
Ask, and j error correction information, j is natural number.
302, standby process asks to perform N number of step of response process according to user, for i step therein
Suddenly generating error correction information, N is the natural number more than or equal to j, and i is less than or equal to N, more than or etc.
Natural number in j.
303, in the error correction information that above-mentioned j error correction information and above-mentioned i step generate, obtain respectively
The error correction information of same steps compares, using steps different for comparative result as step of makeing mistakes, to makeing mistakes
Step carries out error correction.
The method that step of makeing mistakes carries out error correction has a lot, such as with the code element number of redundancy in synchronizing information
According to, after specific rule and formula calculate, a small amount of mistake can be corrected, conventional has error correcting code etc.
Deng.
304, after error correction success, standby process performs the synchronizing process with active process.
Under a kind of above-mentioned embodiment, j the error correction information that active process sends can be active process and
The error correction information of standby process commitment step, then i the step mentioned in 302 at least can include
That states in commitment step is one or more.
Under another embodiment, the synchronizing information mentioned in 301 can also include j error correction information pair
The step mark answered, then i the step mentioned in 302 at least includes in the step that step mark is corresponding
One or more.
Above two embodiment can be implemented simultaneously or implement respectively, and the application does not limits.
On the basis of above-mentioned embodiment, embodiment four as shown in Figure 4, in the enforcement shown in Fig. 3
On the basis of example one, the method can also include:
If 305 error correction are unsuccessful, then standby process sends to active process transmission active process and synchronizes to ask
Ask, this synchronization request is carried the mark of the unsuccessful step of error correction.
306, standby process receives the step data of the unsuccessful step of error correction that active process sends, according to
Step data step unsuccessful to error correction carries out error correction, and performs standby process and master after error correction success
By the synchronizing process of process.
Synchronizer structural representation between the standby usage process that Fig. 5 provides for the embodiment of the present invention five, as
Shown in Fig. 5, this device includes: receiver module 501, processing module 502 and sending module 503.Its
In, receiver module 501 is used for receiving user's request；Processing module 502 is for asking according to described user
Seeking the N number of step performing response process, generate error correction information for i step therein, N is natural number,
I is the natural number less than or equal to N；Sending module 503 is used for sending synchronizing information to standby process,
Described synchronizing information includes that described user asks, and the j in the error correction information of described i step generation
Individual error correction information, so that described user request is responded by described standby process, and according to described j
Error correction information, carries out error correction to the response process of described standby process, and j is the natural number less than or equal to i.
Under another embodiment, described receiver module 501 is additionally operable to: receives described standby process and sends
Synchronization request, described synchronization request is carried described standby process and asks to perform response according to described user
During the mark of the unsuccessful step of error correction；Described sending module 503 is additionally operable to: according to described error correction
The mark of unsuccessful step, by the step of the unsuccessful step of described error correction of preservation in described active process
Rapid data are sent to described standby process so that described standby process is entangled described according to described step data
Wrong unsuccessful step carries out error correction.
On the basis of above-mentioned embodiment, described synchronizing information also includes described j error correction information pair
The step mark answered, described step mark generates the error correction letter of corresponding steps for indicating described standby process
Breath, or, described step mark is for indicating described standby process to obtain from the error correction information generated
The error correction information of corresponding steps.
The scheme that the embodiment of the present invention provides, in N number of step process of active process response user's request
Generate error correction information, and user's request and error correction information are sent to standby process so that standby process can
To respond user's request, and the response process generated standby process according to error correction information entangles
Wrong.The scheme that the embodiment of the present invention provides effectively prevent the diffusion of mistake in standby process so that active and standby
Interaction times and quantity can be reduced between process, and reach the most hot standby effect.
Synchronizer structural representation between the standby usage process that Fig. 6 provides for the embodiment of the present invention six, as
Shown in Fig. 6, this device includes: receiver module 601, respond module 602, correction module 603 and with
Step module 604.Wherein, receiver module 601 is for receiving the synchronizing information that active process sends, described
Synchronizing information includes that user asks and j error correction information, and j is natural number；Respond module 602 is used for
Ask to perform N number of step of response process according to described user, generate error correction letter for i step therein
Breath, N is the natural number more than or equal to j, and i is less than or equal to N, more than or equal to the natural number of j；
Correction module 603 is for, in the error correction information that described j error correction information and described i step generate, dividing
The error correction information not obtaining same steps compares, using steps different for comparative result as step of makeing mistakes,
To makeing mistakes, step carries out error correction；Synchronization module 604 after error correction success, described standby process perform with
The synchronizing process of described active process.
Under a kind of embodiment, described j error correction information be described active process and described standby process about
Determining the error correction information of step, it is one or more that the most described i step at least includes in described commitment step.
Under another embodiment, described synchronizing information also includes the step that described j error correction information is corresponding
Rapid mark, it is one or more that the most described i step at least includes in the step of described step mark correspondence.
Above two embodiment can be implemented to implement respectively simultaneously, and the application does not limits.
Further, as it is shown in fig. 7, described device can also include: sending module 605, for such as
Really error correction is unsuccessful, to described active process send synchronization request, described synchronization request is carried described in entangle
The mark of wrong unsuccessful step；The most described receiver module 601 is additionally operable to: receives described active process and sends out
The step data of the unsuccessful step of described error correction sent；Described correction module 603 is additionally operable to: according to institute
State step data step unsuccessful to described error correction and carry out error correction.
The scheme that the embodiment of the present invention provides, in N number of step process of active process response user's request
Generate error correction information, and user's request and error correction information are sent to standby process so that standby process can
To respond user's request, and the response process generated standby process according to error correction information entangles
Wrong.The scheme that the embodiment of the present invention provides effectively prevent the diffusion of mistake in standby process so that active and standby
Interaction times and quantity can be reduced between process, and reach the most hot standby effect.
The structural representation of a kind of network equipment that Fig. 8 provides for the embodiment of the present invention, as shown in Figure 8,
This network equipment may include that at least one as in embodiment five provide the first synchronizer 801, with
And, at least one is such as the second synchronizer 802 provided in embodiment six.
For above-mentioned whole embodiments it should be noted that method, device and network that the present invention provides set
In Bei, between active process and standby process, be not limited to man-to-man mode, it is also possible to be one-to-many or
Person's many-one or the form of multi-to-multi.Corresponding relation between active process and standby process can be pre-
The most knowable, it is also possible to be subsequent configuration.There is provided in present aspect embodiment all corresponds to each other
Active process and standby process, the most not corresponding relation between certain illustrated, but it is not limiting as this
Bright claimed scope.
One of ordinary skill in the art will appreciate that: realize all or part of step of above-mentioned each method embodiment
Suddenly can be completed by the hardware that programmed instruction is relevant.Aforesaid program can be stored in a computer can
Read in storage medium.This program upon execution, performs to include the step of above-mentioned each method embodiment；And
Aforesaid storage medium includes: ROM, RAM, magnetic disc or CD etc. are various can store program code
Medium.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, rather than right
It limits；Although the present invention being described in detail with reference to foregoing embodiments, this area common
Skilled artisans appreciate that the technical scheme described in foregoing embodiments still can be modified by it,
Or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, and
The essence not making appropriate technical solution departs from the scope of various embodiments of the present invention technical scheme.
Claims (13)
1. the synchronous method between a standby usage process, it is characterised in that including:
Active process receives user's request；
Ask to perform N number of step of response process according to described user, generate for i step therein and entangle
Wrong information, N is natural number, and i is the natural number less than or equal to N；Described step refers to operation
Describe；
Sending synchronizing information to standby process, described synchronizing information includes that described user asks, Yi Jisuo
State j error correction information in the error correction information that i step generates, so that described standby process is to described user
Request responds, and according to described j error correction information, carries out the response process of described standby process
Error correction, j is the natural number less than or equal to i.
Method the most according to claim 1, it is characterised in that described method also includes:
Receive the synchronization request that described standby process sends, described synchronization request is carried described standby process
Ask to perform the mark of the unsuccessful step of error correction in response process according to described user；
According to the mark of described step of makeing mistakes, by unsuccessful for the described error correction preserved in described active process
The step data of step are sent to described standby process so that described standby process is according to described step data
Step unsuccessful to described error correction carries out error correction.
Method the most according to claim 1 and 2, it is characterised in that also wrap in described synchronizing information
Including the step mark that described j error correction information is corresponding, described step mark is used for indicating described standby process
Generate the error correction information of corresponding steps, or, described step mark is used for indicating described standby process from
The error correction information generated obtains the error correction information of corresponding steps.
4. the synchronous method between a standby usage process, it is characterised in that including:
Standby process receives the synchronizing information that active process sends, and described synchronizing information includes that user asks
And j error correction information, j is natural number；
Ask to perform N number of step of response process according to described user, generate for i step therein and entangle
Wrong information, N is the natural number more than or equal to j, and i be less than or equal to N, more than or equal to oneself of j
So number；Described step refers to the description to operation；
In the error correction information that described j error correction information and described i step generate, obtain synchronised respectively
Rapid error correction information compares, and using steps different for comparative result as step of makeing mistakes, to makeing mistakes, step is entered
Row error correction；
After error correction success, described standby process performs the synchronizing process with described active process.
Method the most according to claim 4, it is characterised in that described j error correction information is described
The error correction information of active process and described standby process commitment step, the most described i step include described about
That determines in step is one or more；And/or, described synchronizing information also includes described j error correction information pair
The step mark answered, the most described i step includes or many in the step that described step mark is corresponding
Individual.
6. according to the method described in claim 4 or 5, it is characterised in that described method also includes:
If error correction is unsuccessful, described standby process sends synchronization request to described active process, described same
Step request is carried the mark of the unsuccessful step of error correction；
Receive the step data of the unsuccessful step of described error correction that described active process sends, according to described
Step data step unsuccessful to described error correction carries out error correction.
7. the synchronizer between a standby usage process, it is characterised in that including:
Receiver module, is used for receiving user's request；
Processing module, for asking to perform N number of step of response process, for therein according to described user
I step generates error correction information, and N is natural number, and i is the natural number less than or equal to N；Described step
Refer to the description to operation；
Sending module, for sending synchronizing information to standby process, described synchronizing information includes described use
Family is asked, and j error correction information in the error correction information of described i step generation, so that described standby
Described user request is responded by process, and according to described j error correction information, to described standby process
Response process carry out error correction, j is the natural number less than or equal to i.
Device the most according to claim 7, it is characterised in that described receiver module is additionally operable to: connect
Receive the synchronization request that described standby process sends, described synchronization request is carried described standby process according to institute
State user to ask to perform the mark of the unsuccessful step of error correction in response process；
Described sending module is additionally operable to: according to the mark of the unsuccessful step of described error correction, by described primary
The step data of the unsuccessful step of described error correction preserved in process are sent to described standby process so that
Described standby process carries out error correction according to described step data step unsuccessful to described error correction.
9. according to the device described in claim 7 or 8, it is characterised in that described synchronizing information is also wrapped
Including the step mark that described j error correction information is corresponding, described step mark is used for indicating described standby process
Generate the error correction information of corresponding steps, or, described step mark is used for indicating described standby process from
The error correction information generated obtains the error correction information of corresponding steps.
10. the synchronizer between a standby usage process, it is characterised in that including:
Receiver module, for receiving the synchronizing information that active process sends, described synchronizing information includes using
Family request and j error correction information, j is natural number；
Respond module, for asking to perform N number of step of response process, for therein according to described user
I step generates error correction information, and N is the natural number more than or equal to j, and i is less than or equal to N, greatly
In or equal to the natural number of j；Described step refers to the description to operation；
Correction module, in the error correction information in described j error correction information and described i step generation,
The error correction information obtaining same steps respectively compares, using steps different for comparative result as step of makeing mistakes,
To makeing mistakes, step carries out error correction；
Synchronization module, after error correction success, described standby process performs synchronization with described active process
Process.
11. devices according to claim 10, it is characterised in that described j error correction information is institute
Stating the error correction information of active process and described standby process commitment step, the most described i step includes described
One or more in commitment step；
And/or, described synchronizing information also includes the step mark that described j error correction information is corresponding, then institute
That states that i step include in the step that described step mark is corresponding is one or more.
12. according to the device described in claim 10 or 11, it is characterised in that
Described device also includes:
Sending module, if unsuccessful for described correction module error correction, sends same to described active process
Step request, carries the mark of the unsuccessful step of described error correction in described synchronization request；
Described receiver module is additionally operable to: receive the unsuccessful step of described error correction that described active process sends
Step data；
Described correction module is additionally operable to: carry out according to described step data step unsuccessful to described error correction
Error correction.
13. 1 kinds of network equipments, it is characterised in that including:
At least one synchronizer as described in arbitrary in claim 7 to 9, and, at least one is such as
Arbitrary described synchronizer in claim 10 to 12.
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| CN1404264A (en) * | 2001-09-04 | 2003-03-19 | 三星电子株式会社 | Unified intra-process communication |
| CN101631044A (en) * | 2009-08-24 | 2010-01-20 | 中兴通讯股份有限公司 | Smooth upgrading method and smooth upgrading system of communication equipment |
| CN102945195A (en) * | 2012-11-26 | 2013-02-27 | 国电南瑞科技股份有限公司 | Master-standby redundancy replication method based on SQLite databases |
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