Shulou(Shulou.com)06/02 Report--

"Cloud application" is a subset of the concept of "cloud computing" and the embodiment of cloud computing technology in the application layer. The biggest difference between cloud applications and cloud computing is that cloud computing exists as a macro concept of technological development, while cloud applications are products that solve practical problems directly to customers.

Cloud computing features:

1. Take on demand

Consumers can use all kinds of cloud services on demand at any time, deliver them quickly, and through self-help, without the manual participation of providers.

2. Expand at any time

Through virtualization technology, cloud service providers provide a large pool of resources that can be expanded and shrunk at any time as needed.

3. Pay by use

Different from the traditional way of purchasing software and hardware, cloud computing adopts a pay-per-use model, which makes the enterprise IT change from capital investment to more flexible operating expenses.

With the increase of Internet of things business, the demand for data storage and computing will lead to the demand for "cloud computing" capabilities:

1. Cloud computing: from the computing center to the data center in the initial stage of the Internet of things, PoP can meet the demand

two。 In the advanced stage of the Internet of things, there may be MVNO/MMO operators (which have existed abroad for many years), which need the combination of virtual cloud computing technology, SOA and other technologies to achieve Internet ubiquitous services: TaaS (everyTHING As A Service).

two。 Cloud Security

Cloud Security (Cloud Security) is a new term evolved from "cloud computing". The strategic idea of cloud security is: the more users, the more secure each user, because such a large user base is enough to cover every corner of the Internet, as soon as a website is linked to a horse or a new Trojan virus appears, it will be intercepted immediately.

Through the abnormal monitoring of the software behavior in the network by a large number of clients, Cloud Security obtains the latest information of Trojans and malicious programs in the Internet, pushes them to the server for automatic analysis and processing, and then distributes the solutions of viruses and Trojans to each client.

3. Cloud Stora

Cloud storage is a new concept extended and developed from the concept of cloud computing (cloud computing). It refers to a system that integrates a large number of different types of storage devices in the network through application software to provide data storage and business access functions through cluster applications, grid technology or distributed file systems. When the core of the operation and processing of the cloud computing system is the storage and management of a large amount of data, the cloud computing system needs to be configured with a large number of storage devices, then the cloud computing system will be transformed into a cloud storage system. So cloud storage is a cloud computing system with data storage and management as the core.

4. Private cloud

Private cloud (Private Cloud) is the creation of cloud infrastructure and hardware and software resources in a firewall for organizations or departments within the enterprise to share resources in the data center. To create a private cloud, in addition to hardware resources, there are generally cloud device (IaaS) software. At present, commercial software includes VMware's vSphere and Platform Computing's ISF, and open source cloud device software mainly includes Eucalyptus and OpenStack.

5. Cloud game

Cloud games are games based on cloud computing. In the operation mode of cloud games, all games run on the server side, and the rendered game pictures are compressed and transmitted to users through the network. On the client side, users' game devices do not need any high-end processors and graphics cards, just basic video decompression capabilities. As far as today is concerned, cloud games have not yet become a networking mode in the home phone and handset world, because X360 is still using LIVE,PS is PS NETWORK and wii is wi-fi. But a few years later or more than a decade later, it is very likely that cloud computing will replace these things as the ultimate direction of its network development. If this idea can come true, then mainframe manufacturers will become network operators, they do not need to constantly invest huge costs in the research and development of new hosts, but only a small portion of the money to upgrade their own servers, but the results are pretty much the same. For users, they can save the cost of buying a host, but get a really top-notch game screen (of course, the hardware for video output must be excellent.) . You can imagine that a handheld phone and a home phone have the same picture. The home phone is as simple as the set-top box we use today. Even the home phone can replace the TV set-top box and become the next-era TV viewing mode.

6. Cloud education

An example of the application of video cloud computing in the education industry: the streaming media platform is deployed with a distributed architecture, which is divided into web server, database server, live broadcast server and stream server. If necessary, a collection workstation can be set up in the information center to build network television or live broadcast applications. Streaming media function components have been deployed in the classrooms of the recording system or live broadcast system in various schools. In this way, the live recording can be transmitted to the global live broadcast server of the streaming media platform management center in real time, and at the same time, the recorded school courseware can also be uploaded and stored on the streaming storage server of the information center of Jinshan District Education Bureau. It is convenient for future retrieval, on-demand, evaluation and other applications.

7. Cloud conferenc

Cloud conference is an efficient, convenient and low-cost meeting form based on cloud computing technology. Users only need to perform simple and easy-to-use operations through the Internet interface to share voice, data files and videos with teams and customers around the world quickly and efficiently. Cloud conferencing service providers help users operate complex technologies such as data transmission and processing in meetings.

At present, the domestic cloud conference is mainly focused on the service content based on SAAS (Software as a Service) mode, including telephone, network, video and other service forms. Video conference based on cloud computing is called cloud conference. Cloud conferencing is the perfect combination of video conferencing and cloud computing, bringing the most convenient remote conferencing experience. Just-in-time mobile cloud teleconference is a perfect integration of cloud computing technology and mobile Internet technology, which provides efficient convening and management of meetings anytime, anywhere, through simple operation of mobile terminals.

8. Cloud social networking

Cloud social networking (Cloud Social) is a virtual social application model for the interactive application of the Internet of things, cloud computing and mobile Internet, which aims to establish a famous "resource sharing relationship graph". The main feature of cloud social networking is to integrate and evaluate a large number of social resources to form an effective pool of resources to provide services to users on demand. The more users participate in sharing, the more useful value can be created.

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