CN104917843B - Cloud storage and medical image seamless interfacing system - Google Patents
Cloud storage and medical image seamless interfacing system Download PDFInfo
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- CN104917843B CN104917843B CN201510336108.2A CN201510336108A CN104917843B CN 104917843 B CN104917843 B CN 104917843B CN 201510336108 A CN201510336108 A CN 201510336108A CN 104917843 B CN104917843 B CN 104917843B
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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
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0272—Virtual private networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
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- General Engineering & Computer Science (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The invention discloses a kind of cloud storages and medical image seamless interfacing system, equipment is acquired including medical image information, dept. of radiology's server, image center server, front server, store gateway, cloud storage, radiologist's work station, clinician's work station, tape backup equipment, the medical image information acquisition equipment is sent to the information of acquisition on dept. of radiology's server, and it is backed up by tape backup equipment, dept. of radiology's server connect with image center server and sends data to image center, image center server connect with front server and sends data to front server, front server transmits data to storage gateway again, it is stored the data in cloud storage by storing gateway.
Description
Technical field
The invention belongs to the storage of a large amount of medical datas and application method, especially a kind of cloud storage and medical image are seamless
Docking system.
Background technique
With the fast development of medical profession, clinical business datum, especially image data are more and more huger.For big-and-middle
The daily image document of type hospital is very big.Increasingly huger memory capacity is felt especially by hospital to be entangled with, and to increase storage every year
On the one hand equipment will put into a large amount of fund, on the other hand, be also stepped up to calculator room equipment management difficulty, and due to depositing
It is big to store up data volume, in addition the memory space of dependent image data is small, the effective time for causing clinician to consult patient information is got over
Come shorter, for example original clinic can find the image document in one month, can only find the image money in or so week at present
Material.
Summary of the invention
The purpose of the present invention is develop a kind of cloud storage and medical image seamless interfacing system.
The present invention is to solve existing large and medium-sized hospital it is daily image document it is very big, cause to be continuously increased and deposit
Store up equipment, the difficulty that at high cost and management is difficult, while the effective time for solving clinician's access patient information is shorter and shorter
Problem.
The technical scheme is that the present invention includes medical image information acquisition equipment, dept. of radiology's server, in image
Central server, front server, storage gateway, cloud storage, radiologist's work station, clinician's work station, tape backup
Equipment, the medical image information acquisition equipment is sent to the information of acquisition on dept. of radiology's server, and passes through tape magnetic
Band alternate device is backed up, and dept. of radiology's server connect with image center server and sends data, image to image center
Central server connect with front server and sends data to front server, and front server transmits data to storage again
Gateway is stored the data in cloud storage by storing gateway；Radiologist's work station respectively with dept. of radiology server, image
Central server, storage gateway and cloud storage connection, clinician's work station respectively with image center server, storage gateway and
Cloud storage connection.
Radiologist's work station is clear from radiology service device, image center server, storage gateway and each node in cloud
Look at imaged image；Clinician's work station browses striograph from image center server, storage gateway and each node of cloud storage
Picture, surfing can reach second grade.
It is equipped with the first PC equipment in radiologist's work station, the first PC equipment is respectively and in dept. of radiology server, image
Central server, storage gateway and cloud storage connection, are equipped with the 2nd PC equipment in clinician's work station, the 2nd PC equipment respectively with
Image center server, storage gateway and cloud storage connection.
First PC equipment includes at least one of computer, notebook, tablet device, mobile phone etc..
2nd PC equipment includes at least one of computer, notebook, tablet device, mobile phone etc..
The cloud storage uses following framework: it includes object storage system, and internet special line stores gateway, object
Storage system stores gateway by internet private line access, and storage gateway connects hospital's front server.
Storing gateway includes two servers and a storage disk, and described two servers one is application service
Device, one is database server.
It is equipped with object storage system in cloud storage, stores and is equipped with storage resource management mould in the application server in gateway
Block, the storage resource management module are managed collectively object storage system.
The invention has the advantages that making full use of the resource of mobile data quotient by using cloud storage, solution amount of storage is big,
Guarantee the safe and stable, reliable of data, and can achieve the purpose that from cloud image browsing.The present invention is deposited by control module
It stores up gateway and the image document of hospital is sent to telecom cloud resource pool, while doing remote backup again beyond the clouds.
Detailed description of the invention
Fig. 1 is medical image and cloud storage seamless interfacing flow chart.
Fig. 2 is cloud storage configuration diagram.
Fig. 3 is key assignments algorithm principle figure.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is further illustrated.
As shown, the present invention include medical image information acquisition equipment, dept. of radiology's server, image center server,
Front server, storage gateway, cloud storage, radiologist's work station, clinician's work station, tape backup equipment, it is described
Medical image information acquisition equipment the information of acquisition is sent on dept. of radiology's server, and by tape backup equipment progress
Backup, dept. of radiology's server connect with image center server and send data to image center, and image center server is with before
It sets server connection and sends data to front server, front server transmits data to storage gateway again, passes through storage
Gateway stores the data in cloud storage.
Radiologist's work station connects with dept. of radiology server, image center server, storage gateway and cloud storage respectively
It connects, clinician's work station is connect with image center server, storage gateway and cloud storage respectively.Radiologist's work station from
Radiology service device, image center server, each node of storage gateway and cloud browse imaged image；Clinician's work station from
Image center server, storage gateway and each node of cloud storage browse imaged image, and surfing can reach second grade.
It is equipped with the first PC equipment in radiologist's work station, the first PC equipment is respectively and in dept. of radiology server, image
Central server, storage gateway and cloud storage connection, are equipped with the 2nd PC equipment in clinician's work station, the 2nd PC equipment respectively with
Image center server, storage gateway and cloud storage connection.First PC equipment includes computer, notebook, tablet device, mobile phone etc.
At least one of.2nd PC equipment includes at least one of computer, notebook, tablet device, mobile phone etc..
Cloud storage effect is defined as image remote backup, realizes and supports to have access to online, so that it is never offline to reach image
Effect.
The cloud storage uses following framework: it includes object storage system, and internet special line stores gateway, object
Storage system stores gateway by internet private line access, and storage gateway connects hospital's front server.
Hospital's disk is connected on storage gateway, hospital's disk distributes the disk of certain capacity using storage gateway,
And the NFS/CIFS interface for providing standard makes original application/data that can store gateway packet with object storage system seamless interfacing
Two servers and a storage disk are included, described two servers one is application server, and one is database service
Device, storage disk capacity are 10T, and wherein 9T gives application server, and 1T gives database server.
It is equipped with object storage system in cloud storage, stores and is equipped with storage resource management mould in the application server in gateway
Block, the storage resource management module are managed collectively object storage system；The storage resource management module includes following
Submodule realizes unified management by these submodules:
1) cloud storage gateway management module
The module is by web management interface to projects such as every system parameter of storage gateway, user right, query analysis
It is operated；
The module realizes the pipe of administrator, hospital internal user basic information and authorization role by user authority management
Reason, distributes the specific management function of administrator；Essential information to each authorized user include user name, password modify,
It deletes, to the specific access authority of resource and each resource that each user distribution allows to access；
The module can be carried out device configuration: the basic parameter of configuration storage gateway；
The module can be carried out query statistic: carry out inquiry system to the user's service condition, memory capacity, network state of gateway
Meter；
The module can be carried out authentication configuration: authentication information configuration of the cloud storage gateway to object storage system；
The module can be carried out system backup: by the way that backup tasks are arranged, realize the regular of gateway local state configuration information
The function of similar system snapshot reduction is realized in backup；
The module can be carried out space management: administrator can be newly-built in administrative center and modifies memory space, and sky is arranged
Between local cache size, be arranged user and space relationship.
2) from services portal module
Resource management, rights management, log management, resource service condition statistics, son are mainly provided from services portal module
Key management functions, user can be operated by carrying out upload, downloading, movement, the duplication of file from service door.
3) data access control strategy and authentication module
The module object storage system provides a variety of data access control strategies；When the access strategy for selecting privately owned rank
When, all requests must all pass through Access Key(AK) and Secret Key (SK) progress authentication；AK be it is disclosed,
For one user of unique identification, SK is used for calculate the signature as key, and user needs to keep properly SK, cannot be disclosed to it
Other people；
When client (radiologist's work station, clinician's work station) send operation requests in carry user AK with
And the signature being calculated with the SK of the user, object storage system receive request, search the corresponding SK of AK, are calculated and signed with SK
Name is compared, if unanimously, the authentication is passed with the signature in user's request；
Object storage system also provides multi-key cipher authentication mechanism simultaneously, and each client creates multiple AK/SK, new AK/SK
It has no effect on old key after generation to use, user periodically changes key to increase the safety of data access.
4) transmission security module
When client is by storage gateway access object storage system, storage gateway can be stored with object automatically is the module
A VPN connection is stood in construction in a systematic way, and all data will all pass through this channel transfer；When storage gateway is established with server-side for the first time
Before connection, it can first start VPN Handshake Protocol automatically, both sides exchange certificate, symmetric key, until vpn tunneling success；It connects down
Come, storage gateway carries out exchanging for business datum with server-side；After the connection of storage gateway and server-side is disconnected, next time
VPN connection can be established when reconnect automatically again.In short, storage gateway and object storage system between data be all by
Encryption.
Lasting data management module is equipped in object storage system of the present invention, which realizes that data are automatically superfluous
Remaining, in data storage layer face, all upload data, which are fragmented, is stored in different nodes, different disks, any node or magnetic
Disk failure, non-service affecting normal operation；Object storage system provides the redundant fashion of different stage for user, for weight
Point protection data select high-grade data redundancy mode to guarantee the safety of data, of less demanding for data protection level
Data use common redundant fashion.
Object storage system supports more copy redundancies and correcting and eleting codes redundancy, and individually specifies to each object；In addition, secondary
The M+N of this number or correcting and eleting codes can be carried out it is customized, very flexibly；Including for reading and writing frequently and the data that cannot lose can be with
Using three replication policies, the long-term cold data set are used with the strategy of correcting and eleting codes 9+3.
The module is able to achieve data and restores automatically, since data use distributed storage technology, is fragmented and is stored in difference
In disk, the damage of single disk not will lead to loss of data, and system is automatic by data by internal reconfiguration technique after low-quality disk
Restored from other nodes.
The module is able to achieve strange land redundancy, and object storage system carries out strange land redundancy to data as needed；Strange land redundancy
There are two types of modes, and one is same city modes, and one is modes transprovincially.
Under same city mode, the fragment of an object, which will disperse, to be stored among multiple same city data centers, passes through finger
Parameter is determined to specify and how many fragments are at least written just be counted as function.
Under mode transprovincially, object will realize higher level by asynchronous another farther away resource pool that copies to
Redundancy ability.
The object storage system of cloud storage of the present invention realizes that it has based on key assignments (Key-Value) algorithm
Very low read-write delay and virtually limitless big scalability.
The key assignments algorithm is that a hashed value is calculated using the ID of object as Key, then according to the hashed value
By inquiring a routing table, corresponding virtual disk ID is obtained, one virtual disk → object of inquiry is then passed through according to virtual disk ID
The mapping table of reason disk obtains final physical disks；Since routing table and virtual disk → physical disks mapping table are very small, and
It is completely stored in memory, therefore the above process is completed in a computer-internal by local computing memory-based, because
This position fixing process is very quick.Once being positioned, then the target physical disk that goes directly operates data, therefore reads and writes delay very
It is low.Key assignments algorithm principle is as shown in Figure 3.
The hashed value is obtained by MD5 or SHA1 algorithm, and Value space reaches 128bit, virtually limitless big, because
The object that this object storage can accommodate is almost unlimited.
Cloud storage of the present invention uses holosymmetric node, and each node plays identical function, and client will ask
It asks and is sent on any one node, all obtain identical answer.
Cloud storage of the present invention can support an infinite number of object, the inside of object storage system using single container
It realizes and container name and object name is merged into an entirety, handled as a Key；Therefore, container is only object
Prefix, a not entity, so the corresponding unlimited object of a container is a matter of course feelings.
Cloud storage of the present invention uses the other redundancy strategy of object level, and object storage system is specified to each object single
Only redundancy strategy or N copy, N can specify or the correcting and eleting codes of M+N, M and N are specified, very flexibly；Flexible benefit
It is, even the same application or container, different protection levels is provided for different objects, including, it is backed up at one
In, the data of personage use the redundancy strategy of higher level, to improve security level.
Cloud storage of the present invention uses variable object redundancy strategy: the redundancy strategy to modify any object.
Cloud storage of the present invention, which uses, may specify that minimum is successfully written number.When use more replication policies or correcting and eleting codes
When tactful, specified minimum is write as write-in number come the availability for reducing write delay, improving write operation；Including when selection correcting and eleting codes
When an object is written in 10+6 mode, it is 10 that specified minimum, which is write as write-in number, then once 10 fragments are written successfully, the object
It is treated as being written successfully, and returns immediately, the write-in that other 6 fragments will be asynchronous；This mode can be greatly reduced pair
As the delay of write-in, the availability of write operation is effectively improved.
Cloud storage of the present invention uses adjustable read and write rate, and when issuing write request, specified one simultaneously
Send out number；After the server-side of object storage system receives request data stream, the data of receiving can be sliced, then parallel
These slices are written on different disks；Therefore, in client, although only one writes thread, object is deposited
It is actually inside storage system while writes multiple physical disks, therefore writes bandwidth and be possible to writing in bandwidth more than single disk
Limit；Read procedure is similar with process is write.
After cloud storage of the present invention uses data distribution and long-distance disaster, client to open strange land push function, newly write
The object entered can also be automatically pushed to while native object storage pool (pond A) stores a and be pre-configured with strange land object
Storage pool (two pond B/C) carries out redundant storage, realizes the function of data distribution and long-distance disaster.
After client's unlatching strange land pulls function, when client requests some object to native object storage pool (pond A), such as
This object of fruit is not present, then can obtain the object from strange land object storage pool (two places B/C) according to preconfigured sequence, then
Client is returned to, which is sightless to client；Time-out time is set to the object pulled, but super more than this
When the time after, which can be automatically left out；In conjunction with above-mentioned two function, object storage is used for data distribution and data strange land
Disaster tolerance.
Cloud storage of the present invention is living using support dual-active and mostly, pulls function by strange land push and strange land, in conjunction with
DNS intelligent scheduling technology, object storage system provide the function of reading and writing nearby for client, i.e. realization strange land is mostly living, i.e., locally
It is simultaneously provided in the read-write service of line with the data of strange land storage, i.e., will be automatically duplicated towards the pond A/C to the object that the pond B is written
Pond, the object being written to the pond C will be automatically duplicated towards the pond A/pond B.
Ensure final consistency between the resource pool of multiple object storage systems；When the request for having two or more while writing same
When one object, the object being ultimately written will become final object and be present in multiple object memory resource pools.
Multi version function is supported in object storage, if opening this function, client sees the multiple of the above-mentioned same object
Different editions.
Cloud storage of the present invention uses smooth expansion, and there are two types of situations for dilatation: one is increase disk, another kind is
Increase memory node.
When increasing disk, system meeting automatic identification to the disk newly increased, administrator only needs to make phase in console
Should act can be added system for disk；When increasing memory node, then needs to carry out new memory node into certain configuration, make
Its unified management for being included in original system；It is included in after management, all disks in new node can be identified as by system automatically
The disk newly increased, administrator, which only needs that corresponding actions will be made in console, system is added by disk.
After new disk addition system, system can automatically by a part of Data Migration into the disk being newly added so that
The disk size of whole system is relatively uniform；In the process, object storage ensures that the total amount of data of migration is by algorithm
It is the smallest, it is not in Re-partition storm；In addition, migrating processes are slow using lowest priority in transition process
Progress, to ensure will not influence normal read-write.
Cloud storage of the present invention uses the rapidly self-healing based on network DNC, and object storage is based on network DNC skill
Art greatly shortens the time-consuming of data self-healing.
And network DNC restores data using node and disk all in cluster, therefore the self-healing time can be significantly
Shorten.
Claims (8)
1. a kind of cloud storage and medical image seamless interfacing system, it is characterised in that described system includes medical image information
Acquire equipment, dept. of radiology's server, image center server, front server, storage gateway, cloud storage, radiologist's work
It stands, clinician's work station, tape backup equipment, the medical image information acquisition equipment is sent to the information of acquisition
It on dept. of radiology's server, and is backed up by tape backup equipment, dept. of radiology's server is connect simultaneously with image center server
Data are sent to image center, image center server connect with front server and sends data to front server, preposition
Server transmits data to storage gateway again, is stored the data in cloud storage by storing gateway；Radiologist's work
Stand and connect respectively with dept. of radiology server, image center server, storage gateway and cloud storage, clinician's work station respectively with
Image center server, storage gateway and cloud storage connection；Radiologist's work station is from radiology service device, image center service
Device, each node of storage gateway and cloud browse imaged image；Clinician's work station from image center server, storage gateway
And each node of cloud storage browses imaged image, surfing can reach second grade.
2. cloud storage according to claim 1 and medical image seamless interfacing system, it is characterised in that the dept. of radiology
Be equipped with the first PC equipment in doctor workstation, the first PC equipment respectively with dept. of radiology server, image center server, storage net
It closes and cloud storage connects；Be equipped with the 2nd PC equipment in clinician's work station, the 2nd PC equipment respectively with image center server,
Store gateway and cloud storage connection；First PC equipment includes at least one of computer, notebook, tablet device, mobile phone；Second
PC equipment includes at least one of computer, notebook, tablet device, mobile phone.
3. cloud storage according to claim 1 and medical image seamless interfacing system, it is characterised in that the cloud storage
The framework of use are as follows: object storage system, object storage system store gateway, storage gateway connection by internet private line access
Front server.
4. cloud storage according to claim 1 and medical image seamless interfacing system, it is characterised in that the storage net
Closing includes two servers and a storage disk, and described two servers one is application server, and one is database
Server.
5. cloud storage according to claim 1 or 4 and medical image seamless interfacing system, it is characterised in that described in cloud
Storage is equipped with object storage system, stores and is equipped with storage resource management module, storage resource in the application server in gateway
Management module is managed collectively object storage system；The storage resource management module includes following submodule, is passed through
These submodules realize unified management；1) cloud storage gateway management module, the module is by web management interface to storage gateway
Every system parameter, user right, query analysis project operated；The module can be carried out device configuration, query statistic, row
Authentication configuration, system backup, space management；2) from services portal module, resource management, power are mainly provided from services portal module
Limit management, log management, resource service condition statistics, sub-key management function；3) data access control strategy and authentication module,
The module provides a variety of data access control strategies for object storage system；4) transmission security module, the module are logical in client
When crossing storage gateway access object storage system, storage gateway can establish a VPN with object storage system automatically and connect, and own
Data will all pass through this channel transfer；Before storage gateway establishes connection with server-side for the first time, can first it start automatically
VPN Handshake Protocol, both sides exchange certificate, symmetric key, until vpn tunneling success；Next, storage gateway and server-side carry out
The exchange of business datum；After the connection of storage gateway and server-side is disconnected, next time can build automatically again when reconnecting
Vertical VPN connection；In short, the data between storage gateway and object storage system are all by encryption.
6. cloud storage according to claim 5 and medical image seamless interfacing system, it is characterised in that the object is deposited
Be equipped with lasting data management module in storage system, the module realize the automatic redundancy of data, data restore automatically, strange land redundancy.
7. cloud storage according to claim 5 and medical image seamless interfacing system, it is characterised in that the cloud storage
Object storage system be to be realized based on key assignments algorithm, it has very low read-write delay and virtually limitless big scalability；Institute
The key assignments algorithm stated is that a hashed value is calculated using the ID of object as Key, then passes through inquiry one according to the hashed value
Routing table obtains corresponding virtual disk ID, then passes through the mapping table of one virtual disk of inquiry to physical disks according to virtual disk ID
Obtain final physical disks；The mapping table of routing table and virtual disk to physical disks is very small, is completely stored in memory, above-mentioned
Process is completed in a computer-internal by local computing memory-based, and position fixing process is very quick；Once it is positioned,
The target physical disk that then goes directly operates data, therefore it is very low to read and write delay；The hashed value passes through MD5 or SHA1 algorithm
It obtaining, Value space reaches 128bit, and it is virtually limitless big, therefore the object that object storage can accommodate is almost unlimited.
8. cloud storage according to claim 1 and medical image seamless interfacing system, it is characterised in that the cloud storage
The other redundancy strategy of an infinite number of object, object level, variable object can be supported superfluous using holosymmetric node, single container
Remaining strategy may specify that minimum is successfully written number, adjustable read and write rates, data distribution and long-distance disaster, supports dual-active and more
Work, smooth expansion, the rapidly self-healing based on network DNC.
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| CN105278877A (en) * | 2015-09-30 | 2016-01-27 | 成都华为技术有限公司 | Object storage method and device |
| CN105260142B (en) * | 2015-11-03 | 2018-09-18 | 宁波市科技园区明天医网科技有限公司 | A kind of cloud storage area medical device for image and operation method |
| CN105404560B (en) * | 2015-11-05 | 2019-01-04 | 华中科技大学 | Safety certifying method based on RAID5 in a kind of object storage system |
| CN105872046A (en) * | 2016-03-30 | 2016-08-17 | 东北大学 | Cloud virtual machine control system and method of CT device |
| CN106845075B (en) * | 2016-12-20 | 2021-07-20 | 杭州联众医疗科技股份有限公司 | Centralized diagnosis report system |
| CN109872802A (en) * | 2017-12-05 | 2019-06-11 | 深圳市易特科信息技术有限公司 | Region medical image storage system and storage method |
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| CN112671594A (en) * | 2021-02-21 | 2021-04-16 | 新疆医科大学第一附属医院 | Medical image data cloud storage filing monitoring system |
| CN114301931B (en) * | 2022-03-11 | 2022-07-08 | 上海凯翔信息科技有限公司 | Data synchronization system based on cloud NAS |
| CN116149558B (en) * | 2023-02-21 | 2023-10-27 | 北京志凌海纳科技有限公司 | Copy allocation strategy system and method in distributed storage dual-active mode |
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| 医院PACS 云存储系统建设;吴艳艳等;《医院管理论坛》;20141130;第31卷(第11期);第59页-第61页 |
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