The cost comparison between the use of cloud server and physical server by start-up companies

Cloud computing is powerful, flexible and cheap, well, maybe not very cheap. In fact, sometimes cloud computing is also very expensive. But it all depends on your opinion, your needs and your situation. I recently read an article on this topic about startups stopping using cloud hosts because the cloud hosts are expensive, and standard physical server performance, memory, and storage are significantly stronger than before. This is undoubtedly true. Cloud computing services, especially large-line cloud computing, such as AWS, Rackspace, SoftLayer, and Aliyun, are powerful and have other added value in addition to the low cost of CPU, RAM and disk. At the same time, for a specific cloud server, its configuration cost is not much less than the physical server, for example, we usually buy 64-128GB 32 core (with Hyper-threading function, possibly equivalent to 20-24 entity core), 6-12TB disk server, the price is about 5000 U.S. dollars. Of course, you'll also need to buy data center space, bandwidth, and many other operational support systems. To achieve a similar configuration, if you are using AWS, you need two QUADXL, 1.6 dollars per hour or 1150 dollars per month, plus storage and so on, so building such a system will soon use 3000 dollars per month. Rackspace is similar, but the cost is very different, if you have 5 such systems, it will cost 25, 000 dollars, plus 2500 dollars per month (data center and other costs), and use AWS only 15,000 dollars. In addition, the cloud server has many other benefits, such as geographical advantages, special performance features, additional services such as DBMS, load balancer, and the most important flexibility. After all, once you've spent 25,000 dollars on a server, it's hard to get the money back. Not to mention that AWS can retain examples and other methods, and can help you reduce your spending by 50% or more, on an appropriate scale and on a demand basis. So, on the whole, your money is worth it, you just need to be clear about your needs and focus on what the cloud actually offers, especially when it comes to startups or small to medium systems where the cloud can be of real value. All of this will make you want to use a private cloud, of course, where you can compare the costs of cloud and physical hardware. At the same cost, the private cloud is more powerful than the public cloud, but, in the long run, because of the above public cloud, and as the workload increases, these companies will develop to use the public cloud. In the future, we expect to see a lot of hybrid systems, which are likely to be based on OpenStack, because you can combine the advantages of both: Physical physics servers are cheap and scalable, the public cloud is highly flexible, powerful, diverse in service, and has great potential for development. In this area, AWS and Rackspace develop very quickly because customers likeThese hybrid systems, because of their low cost, good security, and many other advantages. In short, the cloud is good, and most of the time is very cheap. For many people, consider all the features, flexibility, and cost of building a real system to decide whether to use the cloud. In some cases, it is reasonable to use a private cloud or a mixed cloud, and the customer needs to take into account all of their needs and all the options available before they can start building, expanding, and maturing the platform.