The development of cloud computing is getting stronger and stronger, and serverless computing will become its next hotspot. Now Amazon, Google, Microsoft and IBM have provided serverless computing platforms. I believe that it will take us long to see a new entrepreneurial ecosystem.
Serverless computing is the next phase of IaaS (Infrastructure as a Service) evolution. It separates the underlying infrastructure from the developer, essentially virtualizing the runtime (a type of virtual machine, generally referred to as a process-level virtual machine) and operations management. This is often referred to as FaaS (Function as a Service), and the serverless architecture allows you to perform a given task without worrying about servers, virtual machines, or underlying computing resources.
There are several distinct advantages to using serverless computing:Agile - Because developers don't deploy, manage, or scale servers when they use servers, organizations can abandon infrastructure management. This greatly reduces the operational overhead. Serverless and microservice architectures are highly compatible, which also brings significant agility benefits.
Scalability - One of the big advantages of no server is the scalability it supports, and the upgrade and add computing resources are no longer dependent on the DevOps team. Applications without servers can be quickly, seamlessly, and automatically scaled to accommodate peak traffic; conversely, when the number of concurrent users decreases, these applications are automatically scaled down.
Billing Mode - When using a serverless platform, you only pay for the computing resources you need. The serverless architecture introduces a true pay-per-view model where customers pay only when they perform a function. The serverless billing model makes it ideal for microservers with smaller load requirements and applications with "spikey" traffic patterns. Unlike traditional environments, there is no need to pay for virtual machines or containers that are often idle.
Security - The serverless architecture provides security. Because the organization no longer manages servers, DDoS attacks are much less threatening, and the automatic extension of serverless features helps reduce the risk of such attacks.
Serverless computing is not just a niche solution for cutting-edge technology companies. It is changing the way developers deploy and manage complex software, and it has a huge impact on how companies deliver applications. One interesting area is the IoT application, which involves billions of terminal devices using computing resources simultaneously. With cost savings and increased efficiency, serverless computing will be the key to large-scale adoption of such technologies.
Amazon, Google, Microsoft and IBM have provided serverless computing platforms. Like many other cloud computing capabilities, Amazon is a pioneer and launched AWS Lambda in 2014, and it looks like the company is very optimistic about this area. In April of this year, at the ServerlessConf conference held in AusTIn, TIm Wagner, general manager of AWS Lambda Services, said that AWS is seeing more and more companies adopting AWS Lambda services.
Other cloud service providers are also looking at the future from the same perspective. For example, Jason McGee, vice president and chief technology officer of IBM Cloud, said that IBM analysts predict that the FaaS market will grow sevenfold by 2021. This statement was supported by the Markets and Markets report. The report predicts that the market size of serverless computing will grow from $1.88 billion in 2016 to $7.72 billion in 2021.
The public statements we hear from these vendors indicate that they are investing heavily in servers, but this is not just the interest of well-known cloud service providers; we have seen a whole new entrepreneurial ecosystem.
The serverless computing ecosystem shown above is growing in two ways:
Platforms - Along with large cloud service providers, a large number of platforms and open source frameworks have emerged, giving developers the ability to host, deploy and run their serverless applications.
One example is Iron.io, which has so far raised $17 million to provide a serverless application platform that allows businesses to run applications in public, private, and even direct applications.
Another interesting player is Auth0's Webtask. It provides an organization that supports multiple integrations for IdenTIty-as-a-Service companies, allowing developers to develop applications without considering infrastructure.
Technology facilitators—These solutions support the adoption of serverless platforms and frameworks by providing simpler use and integration with serverless environments. The launcher includes development and monitoring tools as well as specialized network security solutions.
An example of an interesting development tool is the open source solution Serverless, a provider-agnosTIc framework that allows developers to build, deploy, and run a serverless architecture on top of all leading cloud providers.
Stackery is an operational management platform and is another adoption driver for serverless technology. It provides the infrastructure for customers developing serverless applications and achieves visibility and control throughout the serverless application management lifecycle.
Another thing worth mentioning is IOpipe, which provides tools for monitoring and debugging the performance of serverless applications.
Although we do see the security benefits of adopting a serverless architecture, like all emerging technologies, new security vulnerabilities will emerge and need to be addressed. In this area, Twistlock is a growing company that provides cloud-based native security services. A $30 million financing has been completed to provide a secure solution for serverless applications using machine learning and advanced threat intelligence.
Early users without server computing
With serverless computing, company developers can focus more on writing code than on managing application tasks. Netflix is ​​a good example. Imagine the infrastructure, storage costs, and scale management of computing resources that serve more than 100 million users worldwide. Netflix is ​​a well-known cloud computing user, and in 2016, the company announced that it has completed the migration; the company's current cloud computing foundation is 100%. Netflix is ​​an outspoken supporter of AWS Lambda, which is leveraging serverless computing technology to transport media files, backups, instance deployments and monitoring solutions. Other well-known institutions such as Expedia, Coca-Cola and Adobe have joined the wave of serverless computing.
Biggest opportunity"Serverless computing" is not without operation. The operation is not just about managing and expanding the server; it is also monitoring, packaging, security, deployment, and more. Although the above outlines a very exciting area, it is still in its infancy and it presents some inherent challenges. These challenges offer startups a huge opportunity to create new and exciting solutions—for example, to innovate and solve the following problems:
Lack of tools—monitoring, logging, development, and debugging tools are not yet mature.
Vendor lock-in - There are different functions between cloud providers. In addition, each vendor has its own integration points, configuration and other features. In order to change suppliers, customers may need to change their code, their operating tools, and may even need to change the software architecture.
Performance - Service Level Agreements do not guarantee performance, and features can take a long time to respond, especially if they have been there for a while. For many applications, this can be a destructive factor.
"Serverless Computing" has been adopted by established companies around the world and will be an area that offers many interesting investment opportunities. It is expected that in the next few years, there will be a significant expansion of the “serverless†map, which will promote a new wave of innovation.
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