Cloud computing vs. Data center : What is best nowadays

Feb07

Cloud computing is becoming the pro-choice for firms and industries over the more traditional counterparts in the form of IT data centers. With the advent of technology in cloud computing and the emergence of newer avenues of data security, more and more businesses are turning towards cloud computing. When it comes to storing and accessing huge amounts of data, that too in a safe and secure way, Cloud computing offers way more cost effectiveness than setting up and operating a full-fledged data center. Security along with cost effectiveness is much profitable for companies.

Confidentiality, Integrity and availability, these three are considered to be the security pillars of cloud computing. Upon contrasted with the data center based environment , these security pillars have different levels of efficiency than in cloud computing environment.

Confidentiality

Confidentiality is a tricky issue when considering both traditional data centers and clouds. In data center, personal information is stored in the servers physicals with a handful of people having access, also data centers are exclusive and are owned by the company itself. Whereas in cloud computing the entire storage is given to a third party to manage which gives them the access to the data, unless the organization owns the server confidentiality maybe compromised. But many vendors provide encryption which only the owner agency can decrypt, thus mitigating the compromise. In short the confidentiality of data in cloud computing depends upon the service provider or vendor.

Integrity

Integrity is a significant issue when it comes to data storage and security and must be maintained in order to ensure the seamless functioning of any organization. Data integrity ensures that the data collected are accurate, consistent and complete and in data center environment there is a high chance of maintaining data integrity. In traditional in-house data storages there is minimal chance that it get tampered while in transit. While in cloud computing where data needs to transferred via communication channels, there is high chance that the data might get lost or tampered with on the way thus resulting in corrupt and inaccurate data. In order to maintain data integrity in cloud storage regular checks needs to be performed on both the storage end and user end along with strong encryption to ensure zero interference.

Availability

Availability of data is the metric of how fast the data can be accessed by companies when needed. Reliability along with availability is some of major influencing factors when contrasting between physical data centers and cloud storages. As accessing data on cloud servers needs a strong and stable internet connection, the lack of both can cause disruption in availability; in case where internet is stable cloud storage works fine. Moreover cloud storage vendors provide multiple backup servers which is ensures that if any single server gets disrupted another takes in place. This is a far cry in traditional IT data centers where if one center fails or gets destroyed the whole operation comes crashing down.

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