Fastly launches a new era of highly secure serverless JavaScript with zero cold starts


Compute @ Edge’s unique isolation sandbox technology enables fast and secure JavaScript experience as developers continue to enter the growing landscape of serverless computing

SAN FRANCISCO, July 21, 2021– (BUSINESS WIRE) – Fastly, Inc. (NYSE: FSLY), a global edge cloud platform provider, today announced the availability of JavaScript in Compute @ Edge, allowing developers to build with more more flexibility in Fastly’s serverless compute environment. With more JavaScript developers in the world than there are for any other development language, the availability of a faster and more secure way to build with JavaScript brings the security benefits of Compute @ Edge and runtime fast to more workloads in the world.

“When we launched Compute @ Edge with a language independent view, JavaScript was not one of the languages ​​we evaluated for support because at the time it couldn’t compile to WebAssembly, which means that we would not have been happy with the security of JavaScript within our serverless compute environment, ”said Tyler McMullen, CTO at Fastly.“ However, since we released Compute @ Edge, JavaScript has been the language most requested to add, so it was high on our priority list once WebAssembly took over. Today, we’re excited to open a serverless, cold-start-free JavaScript offering with a reduced attack surface, compared to similar offerings on the market. With the rise of serverless computing, we hope it will motivate the continued adoption of powerful technology for businesses as they create modern digital experiences.

For years, JavaScript developers have had to go through about 250 milliseconds of boot latency in serverless environments. Known as cold starts, this latency delays the processing of requests, slowing down time-sensitive applications and websites. To compensate for these delays, the developers tried adding more functions in a single serverless deployment, which increased security risks due to a larger blast radius for attacks. Combined with the lack of proper sandboxing of some alternative platforms between instances, serverless JavaScript fell prey to attackers, and developers either avoided serverless technology or had to accept the shortcomings in security and speed. .

Quickly addresses both of these challenges with key architectural decisions made during the initial creation of Compute @ Edge. Instead of relying on existing technologies for serverless compute – like reusable containers – Compute @ Edge quickly built using WebAssembly. This high-performance technology enables Compute @ Edge to scale with boot times 100 times faster than other serverless offerings on the market, so customers can now run JavaScript code without having to worry about boot times. Cold. For the sake of security, Fastly has developed a unique and highly secure isolation technology that creates and destroys a sandbox for each individual JavaScript request compiled through WebAssembly.

“JavaScript is by far the most popular programming language today, continuing to develop and find new niches,” said James Governor, analyst and co-founder of RedMonk. “Serverless platforms are a natural hotbed for new JavaScript workloads. Performance and security remain key concerns, and speed is a killer feature. A small attack surface and no cold starts are likely to be attractive to modern web developers. “

Fastly has laser-focused on improving the developer experience for Compute @ Edge and also recently announced its local test environment, allowing developers to run test code with production level parity in order to they can quickly find and fix problems while building scalability and performance in a compute environment.

To try serverless JavaScript with more speed and security, sign up to Compute @ Edge for more information.

About Fastly

Fastly helps people stay better connected with the things they love. Fastly’s cloud edge platform enables customers to create great digital experiences quickly, securely and reliably by servicing, serving and securing our customers’ applications as close to their end users as possible, on the edge of the Internet. Fastly’s platform is designed to take advantage of the modern Internet, to be programmable, and to support agile software development with unmatched visibility and minimal latency, enabling developers to innovate in performance and security. Fastly’s clients include many of the world’s largest companies, including Pinterest, The New York Times, and GitHub.

Forward-looking statements

This press release contains “forward-looking” statements which are based on Fastly’s beliefs and assumptions and on information currently available to Fastly as of the date of this press release. Forward-looking statements may involve known and unknown risks, uncertainties and other factors that may cause its actual results, performance or achievements to differ materially from those expressed or implied by forward-looking statements. These statements include, but are not limited to, those regarding the benefits and functionality expected from the availability of JavaScript in Compute @ Edge, including enabling faster and more secure execution. Except as required by law, Fastly assumes no obligation to publicly update these forward-looking statements or to update the reasons why actual results could differ materially from those anticipated in the forward-looking statements, even if new information become available in the future. Important factors that could cause Fastly’s actual results to vary materially are detailed from time to time in reports that Fastly files with the Securities and Exchange Commission (SEC), including in Fastly’s annual report on Form 10-K. for the year ended December 31. 2020, and our quarterly reports on Form 10-Q. Copies of reports filed with the SEC are posted on Fastly’s website and are available free of charge from Fastly.

Source: Fastly, Inc.

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