A network performance improvement method for multi-cloud architecture
A technology of network performance and architecture, applied in the field of cloud computing, can solve the problem of not considering the performance difference of cloud storage servers, and achieve the effect of shortening download time, high reliability, and avoiding drag.
Active Publication Date: 2018-01-05
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology
[0014] The present invention provides a multi-cloud architecture-oriented network performance improvement method, which solves the problem that the traditional multi-cloud architecture system does not consider the performance difference between different cloud storage servers, so as to improve network performance
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[0064] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.
[0065] In the embodiment of the present invention, the client integrates 5 cloud storage servers,
[0066] Such as figure 1 Shown, the embodiment of the present invention comprises the following steps:
[0067] (1) The client collects the local change record e of the local synchronization folder, including the increase, modification and deletion records of the file; the increase, modification and deletion records respectively include the file path and the time of occurrence;
[0068] (2) Apply the local change record e to the locally cached local metadata V o , so as to get the local new metadata V l ;
[0069] (3) Download cloud metadata V from multiple cloud storage servers c , and through cloud metadata V c The addition or modification time of the cloud metadata V is judged c Whether it has been updated by other clients, if so, go to...
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A network performance improvement method oriented to a multi-cloud architecture, belonging to the field of cloud computing, solves the problem that the traditional multi-cloud architecture system does not consider the performance difference between different cloud storage servers, so as to improve network performance. The present invention adopts a multi-cloud architecture, redundantly stores user files in multiple cloud storage servers after being coded with erasure codes, each cloud storage server can only obtain part of the data of the files, and can transmit files according to the actual The network environment uses cloud storage servers with good performance as much as possible, and at the same time avoids being dragged down by cloud storage servers with poor performance, so that the network performance of the system is better than the traditional multi-cloud architecture system and any cloud storage server. The present invention can dynamically adapt to the heterogeneous network performance of different cloud storage servers while ensuring high reliability, high security and low operator lock-in risk of the multi-cloud architecture system, and greatly improves the network performance of the system.
Description
technical field [0001] The invention belongs to the field of cloud computing, and in particular relates to a method for improving network performance oriented to a multi-cloud architecture. Background technique [0002] With the rapid development of Internet technology, the number of network terminal devices owned by users is also increasing. As a cloud storage product that provides users with multi-device file storage and synchronization, network disks have gradually become popular. Through the client installed on the user's device, the files in the user's local synchronization folder can be automatically stored in the cloud storage server and synchronized to other devices owned by him. Cloud storage, a new cloud storage product, immediately attracted a large number of users as soon as it was launched. The typical representative Dropbox had more than 300 million users in May 2014. IT giants like Google and Microsoft have also joined the competition and launched similar clo...
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IPC IPC(8): H04L29/08
CPCH04L67/101H04L67/1095H04L67/1097H04L67/10H04L67/5651H04L67/5682
Inventor 刘方明唐皓文金海
Owner HUAZHONG UNIV OF SCI & TECH