CN106550047B - Document fast access system and method based on content distribution mechanism - Google Patents
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- CN106550047B CN106550047B CN201611055392.7A CN201611055392A CN106550047B CN 106550047 B CN106550047 B CN 106550047B CN 201611055392 A CN201611055392 A CN 201611055392A CN 106550047 B CN106550047 B CN 106550047B
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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
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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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
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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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
- H04L67/56—Provisioning of proxy services
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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
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
- H04L67/5683—Storage of data provided by user terminals, i.e. reverse caching
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- Computer Networks & Wireless Communication (AREA)
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- Information Transfer Between Computers (AREA)
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Abstract
The present invention provides a kind of document fast access system and method based on content distribution mechanism, including the multiple document server client nodes being deployed in multiple regions respectively；Each document server client node includes archive server, Reverse Proxy and cache server；Multiple document server client nodes form a virtual document server cluster, and using one of document server client node affiliated area as center region；If the document to be accessed is not present in the document server client node of user's affiliated area, document access request is directed to the archive server of document affiliated area by the archive server of central area, it will be in the Reverse Proxy of the document distribution that accessed to other each regions by the Reverse Proxy of document affiliated area.The access efficiency of document fast access system and method raising document data under the premise of excessively not occupying network bandwidth based on content distribution mechanism of the invention.
Description
Technical field
The present invention relates to a kind of document access system and methods, more particularly to a kind of document based on content distribution mechanism
Fast access system and method.
Background technique
Currently, the document management product of domestic enterprise's grade user's deployment, mainly passes through following two mode:
(1) public cloud document product is directly bought.
It is not high for amount of user data and security requirement when user uses public cloud document product, relatively it is applicable in
In small business.
(2) purchase private clound product allocation is in local data center.
For medium-and-large-sized corporate client, what is be relatively applicable in is the document management platform of local privatization deployment.But this is flat
Platform is deployed in data center, general headquarters.It is total that remote access is required for branch office customer, when accessing document data every time
Portion's back end.Especially for employee on business trips, due to general headquarters' export abroad limited bandwidth resources, cause to access document
Speed is very slow.Higher enterprise is required to use Virtual Private Network (Virtual Private Information Security
Network, VPN) mode when, the user experience of remote access is excessively poor.
In addition, Some Enterprises possibly with the aid of third party content distribution network (Content Delivery Network,
CDN) manufacturer provides document access efficiency.Under this usage scenario, due to the requirement of the files timeliness such as document, video, picture
It is very high, therefore CDN dynamic accelerated mode can only be used, cause frequently to return source request, so that flow cost is very high.
Therefore, how to solve that trans-regional type conglomerate, the quick access of document data becomes country IT in vertical industry
Build the new issue faced.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of based on content distribution mechanism
It is virtual to form one by disposing the archive server of multiple nodes simultaneously in multizone for document fast access system and method
Archive server cluster is unified externally to provide document access service, and periodic synchronization between the archive server in each region
Hot spot data, to improve the access efficiency of document data under the premise of excessively not occupying network bandwidth.
In order to achieve the above objects and other related objects, it is quick to provide a kind of document based on content distribution mechanism by the present invention
Access method, including the multiple document server client nodes being deployed in multiple regions respectively；Each document server client node includes
Archive server, Reverse Proxy and cache server；Multiple document server client nodes form a virtual document service
Device cluster, and using one of document server client node affiliated area as center region；When needing to access document, first with
It is inquired in the document server client node of family affiliated area；If there is no to be visited in the document server client node of user's affiliated area
Document access request is directed to the document services of document affiliated area by the archive server of central area by the document asked
Device, by the Reverse Proxy of document affiliated area by the reverse proxy of the document distribution to be accessed to other each regions
In server, so be stored in the cache server of other each regions so that user affiliated area archive server section
Document access is realized in point.
In one embodiment of the invention, the archive server of each region only synchronizes metadata and number of users each other
According to.
In one embodiment of the invention, in document server client node, the Reverse Proxy is based on preset rules
Clear up the data in the cache server.
In one embodiment of the invention, the document data that user generates is stored in the document services of user's affiliated area nearby
In device.
In one embodiment of the invention, statelessization mode is used between the archive server of each region；When some area
When the archive server delay machine in domain, the document access request of area's intra domain user will be redirected to neighbouring archive server section
Point, to realize the access to the document in other regions.
Meanwhile the present invention also provides a kind of document quick access method based on content distribution mechanism, it is applied to based on interior
Hold the document fast access system of distribution mechanisms, the document fast access system based on content distribution mechanism includes difference portion
Affix one's name to multiple document server client nodes in multiple regions；Each document server client node includes archive server, reverse proxy
Server and cache server；Multiple document server client nodes form a virtual document server cluster, and with one of them
Document server client node affiliated area is center region；
The document quick access method based on content distribution mechanism the following steps are included:
According to the document access request of user, access request is directed to the archive server of user's affiliated area；
Whether inquire in the archive server of user's affiliated area includes requested document；If it exists, then it directly returns
Document is to user；If it does not exist, then it is inquired in the Reverse Proxy of user's affiliated area；If user's affiliated area
Reverse Proxy there are requested documents, then return to document to user, otherwise to the archive server of central area
Issue document access request；
According to the affiliated area information of requested document, the archive server of central area redirects document access request
To the archive server of document affiliated area；
The cache server of document to document affiliated area is downloaded in the archive server of document affiliated area；
The Reverse Proxy of document affiliated area by the Reverse Proxy of document distribution to other each regions,
The cache server of respective affiliated area is transferred to by other each Reverse Proxies again；
Document is returned to user by the reversed server of user's affiliated area.
In one embodiment of the invention, the archive server of each region only synchronizes metadata and number of users each other
According to.
In one embodiment of the invention, further includes: Reverse Proxy according to predetermined period, periodic cleaning one's respective area
Data in cache server.
In one embodiment of the invention, further includes: the document data that user generates is stored in user's affiliated area nearby
In archive server.
In one embodiment of the invention, further includes: use statelessization mode between the archive server of each region；When
When the archive server delay machine in some region, the document access request of area's intra domain user will be redirected to neighbouring document services
Device node, to realize the access to the document in other regions.
As described above, the document fast access system and method for the invention based on content distribution mechanism, has with following
Beneficial effect:
(1) data are stored and is read nearby according to area attribute, to mitigate middle part server storage pressure；
(2) implement synchronous user information and document metadata information between the archive server of each region, to protect
The user for demonstrate,proving each region can carry out document access in same document views plane and cooperate with data sharing, without long-range
It accesses into the archive server of each region；
(3) statelessization mode is used between the archive server of each region, when the archive server delay machine in some region
Afterwards, user's request in the region is automatically transferred in the archive server in other regions, only in the archive server in delay machine region
Document data can not access；
(4) when needing transregional domain browsing document, which is identified as hot spot data automatically by system, passes through reverse proxy
Server timing is pushed in each region in the Reverse Proxy in document server client node；When user accesses the hot spot
When data, Reverse Proxy in access one's respective area is redirected.
Detailed description of the invention
Fig. 1 is shown as the structure of one embodiment of the document fast access system of the invention based on content distribution mechanism
Schematic diagram；
Fig. 2 is shown as the flow chart of the document quick access method of the invention based on content distribution mechanism.
Component label instructions
1 archive server
2 Reverse Proxies
3 cache servers
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that in the absence of conflict, following embodiment and implementation
Feature in example can be combined with each other.
It should be noted that illustrating the basic structure that only the invention is illustrated in a schematic way provided in following embodiment
Think, only shown in schema then with related component in the present invention rather than component count, shape and size when according to actual implementation
Draw, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its assembly layout kenel
It is likely more complexity.
Of the invention document fast access system and method based on content distribution mechanism can log in simultaneously in multizone,
Under the premise of network bandwidth is limited, meet the quick access of document data.
As shown in Figure 1, the document fast access system of the invention based on content distribution mechanism is more including being deployed in respectively
Multiple document server client nodes on a region.Each document server client node includes archive server 1, Reverse Proxy
2 and cache server 3.Multiple document server client nodes form a virtual document server cluster, and with one of document
Server node affiliated area is center region.The archive server of each region only synchronizes metadata and user each other
Data.
When needing to access document, inquired in the document server client node of user's affiliated area first；If belonging to user
The document to be accessed is not present in the document server client node in region, by the archive server of central area by document access
Request is directed to the archive server of document affiliated area, and the Reverse Proxy by document affiliated area will be accessed
Document distribution is stored in the cache server of other each regions into the Reverse Proxy of other each regions
So that user realizes document access in the document server client node of affiliated area.
In the present invention, the concept in region is increased.User is under the jurisdiction of some region, and the document that user generates also has area
The attribute in domain.Since network bandwidth is limited, therefore it can not be achieved data real-time synchronization in the archive server of each region.Respectively
The archive server default in a region is exchanged without document data each other, between the archive server of each region only
Synchronous metadata and user data are identical with the file view for guaranteeing that the user for being dispersed in each region can be seen
's.Wherein, metadata (Metadata) is to describe the data of other data, or perhaps be used to provide the related letter of certain resource
The structured data of breath.Variation, the realization of resource, evaluation resource, tracking resource in use are simple for identification for metadata
Efficiently manage a large amount of networked datas, the effective discovery for realizing information resources, lookup, integration organization and to using resource
Effectively management.In this way, it can guarantee the user of each region it can be seen that identical user information and document information.
It is exchanged between archive server in each document server client node without document data.Document data is only stored
In the archive server of user's affiliated area for uploading document.In most cases, user can access in one's respective area
Document.The thus less generation of scene of trans-regional downloading data.Since network bandwidth resources are limited, in order to reduce trans-regional number
According to access, Reverse Proxy and cache server are disposed in the document server client node in each region.When what is accessed
When data are not present in the archive server of one's respective area, user accesses the data in the Reverse Proxy of one's respective area；If institute
When the data of access are also not present in Reverse Proxy, then in the archive server that remotely accesses document affiliated area
Document data, while the Reverse Proxy of document affiliated area is automatically by the reversed of the document data-pushing to other regions
Proxy server.Reverse Proxy caches the document automatically, and is distributed to the cache server in other regions, it is subsequent its
When the user in his region accesses the document, the Reverse Proxy for being deployed in each region directly returns to this article file data, and
Data are obtained without directly returning source document server every time.Wherein, the data for being distributed to cache server are defaulted as hot spot data.
Hot spot data expired in cache server is cleared up according to preset rules Reverse Proxy.For example, in each document services
In device node, at interval of a predetermined period, Reverse Proxy clears up the data in cache server.
In an embodiment, the document data that the user in some region generates is stored in the text of user's affiliated area nearby
In shelves server.Under the usage scenario of branched structure, data access and the scene of interaction are occupied between the inside of each region
Most ratios, only a small amount of business datum need transregional domain browsing.Therefore, the mode that data access nearby is especially suitable
For the lesser application scenarios of network bandwidth.When user needs to access other area datas, access one's respective area is reversed first
Proxy server.
In an embodiment, statelessization mode is used between the archive server of each region.For server exception, net
The scenes such as network interruption can guarantee certain by statelessization between each archive server in virtual document server cluster
When the archive server exception in region, owning user is still able to access that document data.Specifically, when the document in some region takes
Business device, including when the archive server delay machine of center, the user access request in the region will be redirected to neighbouring document services
Device node.At this point, the document data in other still accessible regions of user, without the archive server because of affiliated area
Delay machine and lead to not access entire virtual document server cluster.
It is of the invention based on interior based on the document fast access system of the invention based on content distribution mechanism referring to Fig. 2
Hold distribution mechanisms document quick access method the following steps are included:
Step S1, according to the document access request of user, which is directed to the document of user's affiliated area
Server.
Step S2, whether inquire in the archive server of user's affiliated area includes requested document；If it exists, then directly
It connects and returns to the document to user；If it does not exist, then it is inquired in the Reverse Proxy of user's affiliated area；If user
There are requested documents for the Reverse Proxy of affiliated area, then return to the document to user, otherwise to central area
Archive server issues document access request.
Specifically, when the access request reaches the archive server of user's affiliated area, the document of affiliated area is inquired
It whether include requested document in server.
Step S3, according to the affiliated area information of requested document, the archive server of central area asks document positioning
Seek the archive server for being redirected to document affiliated area.
Step S4, the cache server of document to document affiliated area is downloaded in the archive server of document affiliated area.
Step S5, the Reverse Proxy of document affiliated area is by the reverse proxy of document distribution to other each regions
Server, then it is transferred to by other each Reverse Proxies the cache server of respective affiliated area.
Step S6, document is returned to user by the reversed server of user's affiliated area.
Specifically, when the Reverse Proxy of the document distribution of user's request to user's affiliated area, the user's
Request will automatically go to the Reverse Proxy of user's affiliated area, return data to user by Reverse Proxy.
Preferably, further includes: Reverse Proxy is according to predetermined period, in the cache server of periodic cleaning one's respective area
Data.
In an embodiment, the document data that the user in some region generates is stored in the text of user's affiliated area nearby
In shelves server.Under the usage scenario of branched structure, data access and the scene of interaction are occupied between the inside of each region
Most ratios, only a small amount of business datum need transregional domain browsing.Therefore, the mode that data access nearby is especially suitable
For the lesser application scenarios of network bandwidth.When user needs to access other area datas, access one's respective area is reversed first
Proxy server.
In an embodiment, statelessization mode is used between the archive server of each region.For server exception, net
The scenes such as network interruption can guarantee certain by statelessization between each archive server in virtual document server cluster
When the archive server exception in region, owning user is still able to access that document data.Specifically, when the document in some region takes
Business device, including when the archive server delay machine of center, the user access request in the region will be redirected to neighbouring document services
Device node.At this point, the document data in other still accessible regions of user, without the archive server because of affiliated area
Delay machine and lead to not access entire virtual document server cluster.
In conclusion the document fast access system and method for the invention based on content distribution mechanism is by data according to area
Domain Properties are stored and are read nearby, to mitigate middle part server storage pressure；Between the archive server of each region
Implement synchronous user information and document metadata information, to guarantee that the user of each region can be in same document views
Plane carries out document access and cooperates with data sharing, without remotely accessing into the archive server of each region；
Statelessization mode, after the archive server delay machine in some region, the region are used between the archive server of each region
User request be automatically transferred in the archive server in other regions, only the document data in the archive server in delay machine region without
Method access；When needing transregional domain browsing document, which is identified as hot spot data automatically by system, passes through reverse proxy service
Device timing is pushed in each region in the Reverse Proxy in document server client node；When user accesses the hot spot data
When, redirect Reverse Proxy in access one's respective area.So the present invention effectively overcome it is in the prior art various
Disadvantage and have high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (8)
1. a kind of document fast access system based on content distribution mechanism, it is characterised in that: including being deployed in multiple areas respectively
Multiple document server client nodes on domain；Each document server client node includes that archive server, Reverse Proxy are gentle
Deposit server；Multiple document server client nodes form a virtual document server cluster, and with one of archive server
Node affiliated area is center region；
When needing to access document, inquired in the document server client node of user's affiliated area first；If user's affiliated area
Document server client node in the document to be accessed is not present, by the archive server of central area by document access request
It is directed to the archive server of document affiliated area, by the Reverse Proxy document that will be accessed of document affiliated area
Be distributed in the Reverse Proxy of other each regions, so be stored in the cache server of other each regions so that
User realizes document access in the document server client node of affiliated area；
The archive server of each region only synchronizes metadata and user data each other.
2. the document fast access system according to claim 1 based on content distribution mechanism, it is characterised in that: in document
In server node, the Reverse Proxy clears up the data in the cache server based on preset rules.
3. the document fast access system according to claim 1 based on content distribution mechanism, it is characterised in that: user produces
Raw document data is stored in nearby in the archive server of user's affiliated area.
4. the document fast access system according to claim 1 based on content distribution mechanism, it is characterised in that: Ge Gequ
Statelessization mode is used between the archive server in domain；When the archive server delay machine in some region, area's intra domain user
Document access request will be redirected to neighbouring document server client node, to realize the access to the document in other regions.
5. a kind of document quick access method based on content distribution mechanism, it is characterised in that: be applied to be based on content distribution machine
The document fast access system of system, the document fast access system based on content distribution mechanism are multiple including being deployed in respectively
Multiple document server client nodes on region；Each document server client node include archive server, Reverse Proxy and
Cache server；Multiple document server client nodes form a virtual document server cluster, and with one of document services
Device node affiliated area is center region；
The document quick access method based on content distribution mechanism the following steps are included:
According to the document access request of user, access request is directed to the archive server of user's affiliated area；
Whether inquire in the archive server of user's affiliated area includes requested document；If it exists, then it directly returns to document
To user；If it does not exist, then it is inquired in the Reverse Proxy of user's affiliated area；If user's affiliated area is anti-
To proxy server, there are requested documents, then return to document to user, otherwise issue to the archive server of central area
Document access request；
According to the affiliated area information of requested document, document access request is redirected to text by the archive server of central area
The archive server of shelves affiliated area；
The cache server of document to document affiliated area is downloaded in the archive server of document affiliated area；
The Reverse Proxy of document affiliated area by the Reverse Proxy of document distribution to other each regions, then by
Other each Reverse Proxies are transferred to the cache server of respective affiliated area；
Document is returned to user by the reversed server of user's affiliated area；
The archive server of each region only synchronizes metadata and user data each other.
6. the document quick access method according to claim 5 based on content distribution mechanism, it is characterised in that: also wrap
It includes: data of the Reverse Proxy according to predetermined period, in the cache server of periodic cleaning one's respective area.
7. the document quick access method according to claim 5 based on content distribution mechanism, it is characterised in that: also wrap
Include: the document data that user generates is stored in nearby in the archive server of user's affiliated area.
8. the document quick access method according to claim 5 based on content distribution mechanism, it is characterised in that: also wrap
It includes: using statelessization mode between the archive server of each region；When the archive server delay machine in some region, the area
The document access request of intra domain user will be redirected to neighbouring document server client node, to realize to the document in other regions
Access.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108984553B (en) * | 2017-06-01 | 2022-02-01 | 北京京东尚科信息技术有限公司 | Caching method and device |
| CN109151032B (en) * | 2018-08-29 | 2021-04-06 | 深圳市瑞驰信息技术有限公司 | Novel network disk system based on distributed storage |
| CN111371824B (en) * | 2018-12-26 | 2024-08-23 | 北京奇虎科技有限公司 | Resource synchronization method and device |
| CN109831486A (en) * | 2019-01-02 | 2019-05-31 | 技创智能科技(上海)有限公司 | The background data server system and data processing method of multi-client |
| CN114363358B (en) * | 2021-12-30 | 2024-03-12 | 南京中孚信息技术有限公司 | Document distribution method, device, electronic equipment and storage medium |
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