Data access method, device and system based on cloud storage system and storage medium
A cloud storage system and data access technology, applied in the network field, can solve the problem that the client cannot successfully access the cloud storage system, and achieve the effect of ensuring the success rate
Active Publication Date: 2020-05-05
HANGZHOU HIKVISION SYST TECH
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[0005] Embodiments of the present invention provide a data access method, device, system, and storage medium based on a cloud storage system, which can solve the problem that the client cannot successfully access the cloud storage system described in the related art
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[0054] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0055]Before introducing the data access method based on the cloud storage system provided by the embodiment of the present invention in detail, the application scenario and implementation environment involved in the embodiment of the present invention will be briefly introduced.
[0056] In some embodiments, when a client from the external network accesses the cloud storage system of the internal network, it needs to be forwarded through a network address translation device, for example, the network address translation device may be a NAT device. Specifically, the client sends a request data packet to the NAT device. The header of the request data packet generally includes source address information and destination address information....
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The invention discloses a data access method, device and system based on a cloud storage system and a storage medium, and belongs to the technical field of networks. The method comprises the followingsteps: receiving a request data packet from a client, wherein the load content of the request data packet comprises address information of a management node; and determining an intranet address of astorage node in a cloud storage system pre-accessed by the client, when determining that the client is an extranet client based on the address information of the management node, converting the intranet address of the storage node into an extranet address according to a stored intranet and extranet address relationship mapping table, and sending the extranet address to the client. The management node acquires address information of the management node from the load content, according to the address information, whether the client is from the extranet or the intranet can be judged, and when theclient is determined to be from the extranet, the intranet address of the storage node is converted into the extranet address and then sent to the client, so that the client can successfully access the corresponding storage node based on the extranet address, and the success rate of data access is ensured.
Description
technical field [0001] The embodiments of the present invention relate to the field of network technologies, and in particular to a data access method, device, system and storage medium based on a cloud storage system. Background technique [0002] A cloud storage system generally includes a storage node and a management node. The storage node can be used to store data, and the management node can be used to schedule storage device resources. When the client accesses the cloud storage system, it generally needs to send a request message to the management node. After receiving the request message, the management node allocates a storage node for the client according to a certain scheduling strategy, and sends the address information of the allocated storage node to to the client, so that the client can access the storage node based on the address information. [0003] At present, in order to save IP (Intent Protocol, network protocol) resources, when the client from the exte...
Claims
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IPC IPC(8): H04L29/08H04L29/12
CPCH04L67/1097H04L61/2514H04L61/2528
Inventor 韦云波
Owner HANGZHOU HIKVISION SYST TECH