With the iterative update of cloud computing technology, we have learned more about the cloud. Although we don't know what they mean, IaaS, PaaS, SaaS and even BaaS are still familiar. China's cloud computing market is still improving. In the future, China will completely dominate the cloud computing market. Today, let’s talk about why mobile app developers need PaaS instead of IaaS. Cloud services, today everyone can immediately think of "Aliyun", "UCloud", "Qingyun", "Tencent Cloud", etc. or foreign brands "Microsoft Azure" "AWS". These are all IaaS basic cloud services. These basic cloud services are important for your mobile app project, but the choice is not difficult, because the process of choosing an IaaS service provider is more like buying a server in the server era, you will choose to buy a certain brand of server hardware, or DELL or Lenovo Either IBM and so on. Although there are many IaaS service providers to choose from today, but the well-known brands of the public are also fixed 3 or 5, and the cost performance, service quality and technical indicators are fully compared. It is not difficult to make a choice. Choose the right PaaS service provider, just like the programmer who used to find the cow x Although IaaS solves the "hard" problem of servers, it is never the most important issue in the cloud service field. Even if you bought the wrong server before, you can change the brand, not to mention the brand switching cost is lower in the cloud era. Once the server is available, the above server program has been the biggest pain point for the mobile APP (or PC website) project. And there is a lot of uncertainty in this process. In the era of traditional Web sites, the most valuable programmers are server developers such as Java, .net, php, etc., because the core focus of a project is the cost of server-side program development, and the level of server developers is uneven. Failure to achieve goals as scheduled may even lead to a large number of project failures. The IaaS service does not solve this problem and pain points very well. Just a lot of PaaS cloud services have emerged, making the development of server-side programs simple and efficient. PaaS provides a lot of mature server-side functions, saving a lot of code development workload and making the mobile app project server-side development work more controllable. Quickly integrate many features you can't imagine before into your mobile app. The results of a certain PaaS cloud service provider can be shared by hundreds of mobile APP project teams that are not so highly developed. . Therefore, choosing the right PaaS service provider is like finding a programmer with a cow x. Take an e-commerce app for example. The required functions probably involve the following logic: user module (registration, login), product display module (product information, image resource storage), search (voice search, picture recognition), purchase system (payment) , advertising system (splash advertising, banner advertising), customer service system (instant messaging, robotic customer service) and so on. Before the popularity of PaaS services, these require programmers who have a lot of time and effort. Each item must be manually written by itself, but it may not be completed. Nowadays, in the cloud era, all of this has become extremely simple. Everyone has a very professional cloud service provider to help you realize your dreams. As a mobile APP project technology implementation itself, you only need to pay more attention to your own business logic and user experience. , market operations, technology is handed over to a more professional PaaS platform, low-cost and efficient and fast implementation. So the change in the popularity of PaaS cloud services is "to make entrepreneurs and innovators pay more attention to their own business, not technology." The IaaS service is selling servers, while the PaaS server is selling cattle x programmers. Some of the abilities that were once unimaginable are easily available in the form of cloud services. Similar to Ocr's formula recognition, it helps many math tutoring apps to go online quickly. Voice search and even picture matching make shopping more fun. As a CTO of any enterprise, I believe it is difficult to find cows who are proficient in these technologies. . Therefore, CTO technology has become less important, but the broadness of vision and vision has become an important indicator for examining a qualified CTO. The CTO of the cloud era is a "purchaser" of enterprise technology. Today, there are a large number of excellent PaaS cloud service providers in the Chinese market, and they cover various fields. Combined with the implementation of functions, how to choose does require accurate judgment and analysis. With these services, you can truly understand the "cloud". The PaaS service platform will give mobile APP projects far more value than IaaS, and make your entrepreneurial and innovative dreams come true quickly. So how do you use these services? The answer is simple, the three letters "API" PaaS cloud service, mainly in the form of API as a service carrier, chooses different PaaS service providers to choose different APIs, and more and more PaaS services are integrated in the same mobile APP. Not only are PaaS services, including IaaS services, and some SaaS services, starting with API output, but they are not as typical as the PaaS platform. For example, the customer service areas Udesk, Meicha, Wisdom, and Yi Chuangyun customer service provide mobile SDKs to support user and intrinsic systems for API docking. The trend of providing a large number of APIs based on the PaaS platform has led to the emergence of API aggregation requirements, including Baidu's APIstore, APICloud and data aggregation, which provide similar services to help mobile APP projects use third-party rich APIs faster. The value of API aggregation also allows developers to quickly combine business logic like building blocks when choosing PaaS platforms and API services, so that technology is no longer a bottleneck. So familiar APIs have become synonymous with PaaS cloud services. In the cloud era, the subversive value brought is not IaaS. PaaS services have become the main force of cloud services that promote the rapid development of the industry. KNL5-100 Residual Current Circuit Breaker
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