Cloud storage is a new concept extended and developed in the concept of cloud computing. It is an emerging network storage technology, which refers to a large number of different networks in the network through cluster applications, network technologies or distributed file systems. A type of storage device works together by application software to jointly provide a system for data storage and service access functions.

When the core of computing and processing of cloud computing systems is the storage and management of large amounts of data, cloud computing systems need to be configured with a large number of storage devices, then the cloud computing system is transformed into a cloud storage system, so cloud storage is a data storage system. And management as the core of the cloud computing system. Simply put, cloud storage is an emerging solution for putting storage resources on the cloud for people to access. Users can easily access data at any time, anywhere, by connecting to the cloud via any networkable device.

Network disk, also known as network U disk, network hard disk, is an online storage service launched by Internet companies. The server room divides a certain amount of disk space for users, and provides file storage, access, backup, sharing and other file management for users free or charge. And other features, and has advanced disaster recovery backups around the world. Users can think of the network disk as a hard disk or USB flash drive on the network. Whether you are at home, in the unit or anywhere else, you can manage and edit the files in the network disk as long as you are connected to the Internet. You don't need to carry it with you, you don't have to worry about losing it.

The traditional network disk stopped the personal storage business in 2016. On the one hand, due to the high operating costs of traditional network disks, there is no profit model, on the other hand, the government departments have rectified them, and even some founders have been sentenced, such as MEGAUPLOAD.

Personal cloud storage gives users a very good experience, so they have made huge investments, so that users get a stable service and are guaranteed by more and more people.

So the question is coming, what is the difference between the two?

Different storage technologies

The data uploaded by the traditional network disk is in a one-to-one relationship with the server space. This means that every time a user uploads 1g of data, the server must provide 1g of storage space, which brings higher bandwidth and storage space requirements for operators.

The cloud storage server compares the size and content of the data we upload with other data on the server when we upload the data. Once we find the exact same information, our upload operation will succeed immediately and will not reoccupy the server space. Therefore, the data uploaded by the cloud storage and the space of the server have both one-to-one and many-to-one relationships. But it also greatly reduces the server space - one-to-one data is a large amount of personal data, but a single file is small, accounting for small server space; many to one is public information such as movies, music, and large server space. It is worth mentioning that the many-to-one information will still occupy the personal space of each user.

Data storage security is different

In order to save costs, the traditional network disk often stores the user's data only on a single server. Once the server is hacked, the data is lost and there is no possibility of recovery.

Cloud storage, such as Baidu Cloud, does a great job in security. The user data is broken and encrypted and stored on different storage units on the server. Secondly, the ssl protocol is used to connect individual users to the remote cloud server to ensure the user's The operation is not illegally monitored by a third party. Fully protect the privacy of users and make it easier to recover data.

Product function difference

Traditional network disks only had the lowest storage capacity at the beginning, and later they gradually had sharing functions, which could not cope with the needs of user data migration and management.

Cloud storage not only has the functions of traditional network disk, but also the function of synchronization, which is the personal data demand of the multi-screen era. This allows personal data to travel through all smart terminals such as mobile phones, PCs, notebooks, tablets, smart TVs, and truly synchronized storage.

Someone on the mother's summary is very good: the traditional network disk needs more servers, cloud storage needs more people.

Many network storages now use cloud storage, such as Baidu Cloud Disk, Cloud Exchange Box and so on.

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