CN106790544A - Reduce the method and device of amount of communication data between Terminal Server Client and data center - Google Patents

Abstract

The invention discloses a kind of method for reducing amount of communication data between Terminal Server Client and data center, Terminal Server Client first is asked to data center server transmission content；Secondly data center server generates content information according to the content of request, and sends to Terminal Server Client, and whether Terminal Server Client judges the content of request in local memory device according to content information；The content of last Terminal Server Client read requests from local memory device.The invention also discloses a kind of device for reducing amount of communication data between Terminal Server Client and data center server, including：Content requests sending module, content information generation module, judge module, request content writing module and request content read module.When the present invention solves multiple Terminal Server Clients and obtains identical content, network broadband occupancy between Terminal Server Client and data center server problem high.

Description

Method and device for reducing communication data volume between remote client and data center

technical field

The invention relates to the technical field of distributed storage, in particular to a method and a device for reducing the amount of communication data between a remote client and a data center.

Background technique

With more and more remote office models, a situation of one headquarters and multiple branches has formed. In order to improve office efficiency, a data center will be established at the headquarters, and multiple branches will share the data. When a remote client in a branch obtains data, it needs to connect to the data center server through a public or private network, and then send a request, and the data center server will transmit the required data to the remote client. When each remote client in the branch office obtains the same data, these processes need to be repeated. If multiple remote clients obtain the same data at the same time, the data center server needs to transmit multiple copies of the same data. This will cause a high network bandwidth occupancy rate between the branch office and the data center, and increase the data processing pressure of the data center server. In severe cases, the data center network will be paralyzed, affecting the normal operation of other businesses.

Contents of the invention

The purpose of the present invention is to provide a method and device for reducing the amount of communication data between a remote client and a data center, which solves the problem of network broadband occupancy between the remote client and the data center server when multiple remote clients acquire the same content high question.

In order to solve the above problems, the present invention adopts the following technical solutions:

A method for reducing the amount of communication data between a remote client and a data center, comprising the steps of:

A. The remote client sends a content request to the data center server;

B. The data center server generates content information according to the requested content and sends it to the remote client;

C. The remote client judges whether the requested content is in the local storage device according to the content information; if yes, then go to step D; if not, then go to step E;

D. The remote client reads the requested content from the local storage device;

E. The data center server writes the requested content to the local storage device.

Preferably, the content information includes a hash value that matches the requested content and is calculated using a hash algorithm.

Preferably, the local storage device includes a server and/or a client computer.

The present invention also provides a device for reducing the amount of communication data between the remote client and the data center, including:

The content request sending module is used for the remote client to send the content request to the data center server;

The content information generation module is used for the data center server to generate content information according to the requested content and send it to the remote client;

A judging module, used for the remote client to judge whether the requested content is in the local storage device according to the content information;

The request content writing module is used for the data center server to write the requested content into the local storage device;

The request content reading module is used for the remote client to read the requested content from the local storage device.

Preferably, the content information includes a hash value that matches the requested content and is calculated using a hash algorithm.

Compared with the prior art, the present invention has the following advantages:

1. The remote client of the branch of the present invention sends a content request to the data center server, the data center server generates content information according to the requested content, and sends it to the remote client, and the remote client judges whether the requested content is stored locally according to the content information device, and then perform read and write operations on the local storage device. The data center server of the present invention writes the requested content into the local storage device, so that the remote client can access the content from the affiliated branch instead of requesting access from the data center, thereby reducing repeated data transmission and bandwidth occupation of the dedicated network rate, optimize bandwidth, improve data transmission efficiency, and reduce delay.

2. The present invention improves the user's work efficiency, reduces the data flow between the remote client and the data center server, and improves network performance by improving the query response time for the remote client to obtain content from the data center server.

Description of drawings

Fig. 1 is a schematic structural diagram of a device for reducing the amount of communication data between a remote client and a data center according to the present invention;

Fig. 2 is a schematic flowchart of a method for reducing the amount of communication data between a remote client and a data center according to the present invention.

detailed description

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the present invention is described in further detail:

Embodiment 1: a device of the present invention that reduces the amount of communication data between a remote client and a data center is shown in FIG. And request content reading module 15. The content request sending module 11 is sequentially connected with the content information generating module 12 , the judging module 13 and the request content reading module 15 , and the request content writing module 14 is connected in parallel with the request content reading module 15 .

The content request sending module 11 is used for the remote client to send a content request to the data center server, and the data center server receives the sent content request; the content information generation module 12 is used for the data center server to generate content information according to the requested content, and send it to the remote Client; judging module 13 is used for remote client to judge whether the content of request is in local storage device according to content information; Request content writing module 14 is used for data center server to write the content of request into local storage device; Request content read Module 15 is used for the remote client to read the requested content from the local storage device.

Embodiment 2: A method of reducing the amount of communication data between a remote client and a data center in the present invention is shown in FIG. 2 , comprising the following steps:

In step S201, one or more remote clients in the branch office send a content request to the data center server.

Step S202, the data center server receives the content request, generates corresponding content information according to the requested content, and sends it to the remote client.

The content information includes a hash value that matches the requested content and is calculated using a hash algorithm using all original content, and the hash value is extremely small compared with the original content. In this example, the hash algorithm preferably adopts the fifth edition of MD5 (Message-Digest Algorithm 5).

Step S203, the remote client judges whether the requested content is in the local storage device according to the content information, if yes, go to step S205; if not, go to step S204.

Step S204, the data center server writes the requested content into a local storage device, and the local storage device includes a server and/or a client computer of a branch office.

Step S205, the remote client reads the requested content from the local storage device.

The invention overcomes the defect that the network broadband occupancy rate between the remote clients and the data center server is high when multiple remote clients in the same branch obtain the same content. In order to optimize the bandwidth when the remote client accesses the content of the server in the data center, the remote client can access the content from the local storage device of the branch office without requesting access from the data center, which avoids the remote client getting the same content. Repeated transmission of content between the terminal and the data center server, reducing the bandwidth occupancy rate of the private network, optimizing bandwidth, improving data transmission efficiency and content query response time.

What is shown above is only a preferred embodiment of the present invention. It should be pointed out that for those of ordinary skill in the art, some improvements and modifications can also be made without departing from the principles of the present invention. It should be regarded as the protection scope of the present invention.

Claims (5)

1. a kind of method for reducing amount of communication data between Terminal Server Client and data center, it is characterised in that comprise the following steps：

A. Terminal Server Client is asked to data center server transmission content；

B. data center server generates content information according to the content of request, and sends to Terminal Server Client；

C. whether Terminal Server Client judges the content of request in local memory device according to content information；If it is, turning step Rapid D；If it is not, then going to step E；

D. the content of Terminal Server Client read requests from local memory device；

E. the content that data center server will be asked writes local memory device.

2. the method for reducing amount of communication data between Terminal Server Client and data center according to claim 1, its feature exists In the content information calculates the cryptographic Hash of the matching institute request content for obtaining using hash algorithm.

3. the method for reducing amount of communication data between Terminal Server Client and data center server according to claim 1, its It is characterised by, the local memory device includes server and/or client computer.

4. a kind of device for reducing amount of communication data between Terminal Server Client and data center, it is characterised in that including：

Content requests sending module, asks for Terminal Server Client to data center server transmission content；

Content information generation module, generates content information, and send to remote for data center server according to the content of request Journey client；

Whether judge module, judge the content of request in local memory device for Terminal Server Client according to content information；

Request content writing module, the content that will be asked for data center server writes local memory device；

Request content read module, for the content of Terminal Server Client read requests from local memory device.

5. the device for reducing amount of communication data between Terminal Server Client and data center according to claim 4, its feature exists In the content information calculates the cryptographic Hash of the matching institute request content for obtaining using hash algorithm.