How is Google and Facebook storing data in the location working?

Two "technology giants" host servers in many countries of the world but only have more than 10 big data centers. Google owns and operates data centers all over the world, helping to keep the internet humming 24/7. Learn how our relentless focus on innovation has made our data centers some of the most high-performing, secure, reliable, and efficient data centers in the world.

Data processing centers are always a big problem and need to be regularly optimized with technology companies, especially large user data storage companies like Facebook and Google. According to the BBC, in 2017, Facebook had to handle billions of "likes" every day and trillions of messages sent from more than 2 billion users. Meanwhile, Google's data processing center must also handle an average of 40 million searches per second or 3.5 billion searches per day.

Google owns and operates data centers all over the world, helping to keep the internet humming 24/7. Learn how our relentless focus on innovation has made ... Google Data Centers are the large data center facilities Google uses to provide their services, which combine large amounts of digital storage (mainly hard drives and solid-state drives), compute nodes organized in aisles of racks, internal and external networking, environmental controls

Owning a large number of users, data and data access times, but neither Facebook nor Google have set the Data Center in too many places. Most of them are even in the US.

By the end of 2017, Facebook announced there were 11 data centers around the globe, but six of these were in US states. Only two data centers in Asia are located in Hong Kong and Singapore. Google has more, with a total of 15 data centers, including 8 located in the US, one in South America, 4 in Europe and two in Asia, Taiwan and Singapore.

However, to improve user experience, faster and more stable data access time, these companies use Content Delivery Network (CDN). In order to reduce the distance from the user to the server, the CDN network stores the cache content at servers in many different locations, often called PoP (Point of Presence). Each PoP will include caching servers, responsible for transferring content to the nearest users.

Unlike the very few Data Center, Google and Facebook set up PoP-type servers around the world. Vietnam is also one of such countries. In April 2017, Mr. Truong Minh Tuan, Minister of Information and Communications, said that many domestic enterprises had Facebook and Google (Youtube) set up servers in Vietnam.

In particular, VNPT leases 608 servers to Google, Facebook has 120 servers. Viettel leases 334 servers to Google, Facebook has 96 servers. According to the latest statistics of the Ministry of Public Security, as of January 2018, Google has hired nearly 1,800 servers, Facebook has hired 441 servers of Vietnamese businesses.

According to a network infrastructure expert, Vietnamese Internet providers often create conditions for Google and Facebook to set up servers in the country. There are even units that do not even charge hosting services of these companies. The reason is that hosting servers in Vietnam will reduce the international bandwidth of these network providers, thereby saving their costs to international partners.

According to this person, the data is usually located on the server in the CDN network as it is located in Vietnam, mainly storing images and videos with large capacity. These types of data occupy high bandwidth and access time is longer. Meanwhile, the user information data is still located in its big data centers. In a specific example with Facebook, he said the image is based on information obtained from a server with IP in Vietnam, and when retrieving data at News Feed, an IP server in Hong Kong.

Facebook and Google both plan to expand their Data Centers each year, but their top conditions are all about cutting costs. In Europe, these companies often choose countries in Northern Europe because of cold weather, good power and highly qualified workers. Facebook once explained the reason to choose Lulea (Sweden) to set the data center because the temperatures are always low, sometimes down to minus 25 degrees Celsius, reducing the cost of cooling the machine. The region also has an abundance of hydroelectric power and it is not difficult to find IT professionals here.

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