In the end, what kind of charm does cloud computing attract the attention of so many people? In our impression, almost no other IT innovation technology has caused such high enthusiasm, anger, confusion and complete misunderstanding.
Cloud computing technology is not a panacea, nor a disaster. It is neither a savior nor a sinner. Cloud computing is just a new tool for solving new problems. Just like a new hammer in your hand, you can nail everything as a nail.
In this article we will unlock the mystery of cloud computing, including good, bad or even misunderstanding.
1. Compatibility issues
Veil: Cloud computing is too privatized
At present, no two cloud computing are exactly the same, both in nature and in IT. Amazon's cloud platform is completely different from Google's, and Google's cloud platform is different from Microsoft's, and completely different from other vendors.
However, "privatization" has not proven to be "useless" for at least some time.
Recall that in the early days of personal computers, the first PCs came from different manufacturers, used different hardware, and were not remotely cross-compatible. Programs written for the Apple II are not compatible with Atari, Amiga, or even IBM computers.
The few commonly used platforms exist are basically used to connect and run existing applications connected to those platforms, rather than establishing a compatibility bridge between those platforms. But these are not the development of these platforms, these different platforms can fully use their differences to compete with each other.
Obviously, the current situation is completely different. People want more compatibility, including compatibility between applications, platforms, and environments. The biggest privatization feature of the cloud platform is not the way they run internally. For each cloud computing, the way data enters and exits the cloud and the management functions of each cloud computing are implemented in different ways.
The privatization feature of the initial development of cloud computing platforms is an inevitable process. Maybe not all platforms are privatized in the early days. When you visit a platform like Linux and use a language like Python, you will find that they are also very compatible. Between cloud computing and cloud computing, it can be less privatized. Cloud computing will establish compatibility standards based on the problems found in people's actual operations, rather than abstract theoretical standards.
2. Privacy issues
Veil: Cloud computing is the privacy terminator
The concern about privacy issues in cloud computing stems from the general concern about privacy issues, but cloud computing is now at the forefront. Still, we have good reason to doubt privacy issues in cloud computing, or if you are a manufacturer of cloud services, you should be more cautious about it.
What is the reason for cloud computing to be the main target of privacy advocates? This is not just because it is a new technology, because every freshly released technology will become a “suspect of privacyâ€. This is also because cloud computing, on the surface, will bring a lot of convergence in many IT fields. When there are many different things coming together, it's as dangerous as putting all the eggs in one basket. The data in cloud computing is no longer your own data, but other people's data. In your contract with the cloud service provider, there may not even be data security.
It's hard to think of this privacy concern as a delusion, especially when most data breaches and theft occur inside the enterprise, not external attacks. To make matters worse, when privacy involves legal issues, people who store data on other vendor systems may not be protected by law.
Cloud providers need to take the initiative to address privacy issues, especially early in the cloud service lifecycle. Suppliers should spare no effort to explain to customers, even customers, that their data and program security will be protected from external attacks and internal theft, and they will be protected by law when necessary. As detailed as possible in the Terms of Service).
Providing security for user data is not the hardest part, and there are many examples to help you solve this problem. Network backup service provider Mozy protects customer privacy by allowing customers to provide high-level encryption keys for their data. The backup data will not be visible to others, even the supplier Mozy itself. If you log out of the cloud service, you can take the key, then the data will never be readable by default.
Even more difficult is to develop a forward-looking policy for privacy that clarifies the data security you can guarantee in cloud computing. The more clear the policy is, the easier it will be to do things later.
3. Reliability
Veil: Cloud computing is not reliable
This can be called a "no guilty verdict." Cloud computing has long been considered unreliable. Recently, T-Mobile's Sidekick service crash has caused a large amount of user data to be lost, and criticism of cloud computing has been surging. However, the accident was finally solved satisfactorily, and everyone's data was retrieved, but the impression of unreliable cloud computing has been deeply rooted in the hearts of the people.
Because no two cloud services are of the same nature, people will soon find that "clouds" are not automatically equal to "reliable" or "safe." More importantly, no customer cares about why data is lost, and the memory of a failure is far more than 500 days of perfect operation.
The biggest drawback of cloud computing is not the normal operation problem, but the data protection problem. This shows that only one type of data protection (most end user or vendor backup service) is not enough. Cloud computing requires multiple data protections, from single disk mirroring, powerful file systems, to differential remote backups (disk or tape), all protections work together, and data is guaranteed to be portable. Next question.
4. Migration
Veil: Cloud computing is a one-way street
When you invest in cloud computing services, you will find that there are many problems that need to be solved. You'll get a lot of complaints about cloud services, mainly from those who trust cloud services to protect their data. Months of cloud services use them to find that when migrating data to other locations, the choice is very limited, which is obviously a A completely reasonable complaint. Any enterprise deploying a cloud service system should consider at the outset how customer data will migrate to or migrate out of cloud services.
Outward migration involves not only data format issues, but customers may need to transfer their data to other physical carriers such as tape and hard drives. There has been a debate about whether the cost of migrating data should be borne by customers or suppliers. But the debate itself should exist, which can help suppliers to make clear that cloud services should be to serve customers, not to oppress customers.
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