Welcome!

@DevOpsSummit Authors: Elizabeth White, Yeshim Deniz, Liz McMillan, Pat Romanski, Zakia Bouachraoui

Related Topics: @CloudExpo, Agile Computing

@CloudExpo: Blog Post

Should You Stay with HTTP/1 or Move to HTTP/2 ? | @CloudExpo [#Cloud]

You want an intermediary that's smart enough to translate SPDY or HTTP/2 to HTTP/1

Should You Stay with HTTP/1 or Move to HTTP/2 ?

Application experience aficionados take note: you have choices now. No longer are you constrained to just HTTP/1 with a side option of WebSockets or SPDY. HTTP/2 is also an option, one that like its SPDY predecessor brings with it several enticing benefits but is not without obstacles.

In fact, it is those obstacles that may hold back adoption according to IDG research, "Making the Journey to HTTP/2".  In the research, respondents indicated several potential barriers to adoption including backward compatibility with HTTP/1 and the "low availability" of HTTP/2 services.

In what's sure to noticed as a circular dependency, the "low availability" is likely due to the "lack of backward compatibility" barrier. Conversely, the lack of backward compatibility with HTTP/1 is likely to prevent the deployment of HTTP/2 services and cause low availability of HTTP/2 services. Which in turn, well, you get the picture.

http2-adoption-obstacles-idg-2014

This is not a phantom barrier. The web was built on HTTP/1 and incompatibility is harder to justify today than it was when we routinely browsed the web and were shut out of cool apps because we were using the "wrong" browser. The level of integration between apps and reliance on many other APIs for functionality pose a difficult problem for would-be adopters of HTTP/2 looking for the improved performance and efficacy of resource utilization it brings.

But it doesn't have to.

You can have your cake and eat it too, as the saying goes.

HTTP Gateways

What you want is some thing that sits in between all those users and your apps and speaks their language (protocol) whether it's version 1 or version 2. You want an intermediary that's smart enough to translate SPDY or HTTP/2 to HTTP/1 so you don't have to change your applications to gain the performance and security benefits without investing hundreds of hours in upgrading web infrastructure. What you want is an HTTP Gateway.

At this point in the post, you will be unsurprised to learn that F5 provides just such a thing. Try to act surprised, though, it'll make my day.

One of the benefits of growing up from a load balancing to an application delivery platform is that you have to be fluent in the languages (protocols) of applications. One of those languages is HTTP, and so it's no surprise that at the heart of F5 services is the ability to support all the various flavors of HTTP available today: HTTP/1, SPDY, HTTP/2 and HTTP/S (whether over TLS or SSL). http2-adoption-drivers-idg-2014

But more than just speaking the right language is the ability to proxy for the application with the user. Which means that F5 services (like SDAS) sit in between users and apps and can translate across flavors of HTTP. Is your mobile app speaking HTTP/2 or SPDY but your app infrastructure only knows HTTP/1? No problem. F5 can make that connection happen. That's because we're a full proxy, with absolute control over a dual-communication stack that lets us do one thing on the client side while doing another on the server side. We can secure the outside and speak plain-text on the inside. We can transition security protocols, web protocols, and network protocols (think IPv4 - IPv6).

That means you can get those performance and resource-utilization benefits without ripping and replacing your entire web application infrastructure. You don't have to reject users because they're not using the right browser protocol and you don't have to worry about losing visibility because of an SSL/TLS requirement.

You can learn more about F5's HTTP/2 and SDPY Gateway capabilities by checking out these blogs:

Read the original blog entry...

More Stories By Lori MacVittie

Lori MacVittie is responsible for education and evangelism of application services available across F5’s entire product suite. Her role includes authorship of technical materials and participation in a number of community-based forums and industry standards organizations, among other efforts. MacVittie has extensive programming experience as an application architect, as well as network and systems development and administration expertise. Prior to joining F5, MacVittie was an award-winning Senior Technology Editor at Network Computing Magazine, where she conducted product research and evaluation focused on integration with application and network architectures, and authored articles on a variety of topics aimed at IT professionals. Her most recent area of focus included SOA-related products and architectures. She holds a B.S. in Information and Computing Science from the University of Wisconsin at Green Bay, and an M.S. in Computer Science from Nova Southeastern University.

@DevOpsSummit Stories
In an era of historic innovation fueled by unprecedented access to data and technology, the low cost and risk of entering new markets has leveled the playing field for business. Today, any ambitious innovator can easily introduce a new application or product that can reinvent business models and transform the client experience. In their Day 2 Keynote at 19th Cloud Expo, Mercer Rowe, IBM Vice President of Strategic Alliances, and Raejeanne Skillern, Intel Vice President of Data Center Group and GM, discussed how clients in this new era of innovation can apply data, technology, plus human ingenuity to springboard to advance new business value and opportunities.
DXWorldEXPO LLC announced today that "IoT Now" was named media sponsor of CloudEXPO | DXWorldEXPO 2018 New York, which will take place on November 11-13, 2018 in New York City, NY. IoT Now explores the evolving opportunities and challenges facing CSPs, and it passes on some lessons learned from those who have taken the first steps in next-gen IoT services.
The current age of digital transformation means that IT organizations must adapt their toolset to cover all digital experiences, beyond just the end users’. Today’s businesses can no longer focus solely on the digital interactions they manage with employees or customers; they must now contend with non-traditional factors. Whether it's the power of brand to make or break a company, the need to monitor across all locations 24/7, or the ability to proactively resolve issues, companies must adapt to the new world.
"DevOps is set to be one of the most profound disruptions to hit IT in decades," said Andi Mann. "It is a natural extension of cloud computing, and I have seen both firsthand and in independent research the fantastic results DevOps delivers. So I am excited to help the great team at @DevOpsSUMMIT and CloudEXPO tell the world how they can leverage this emerging disruptive trend."
In this presentation, you will learn first hand what works and what doesn't while architecting and deploying OpenStack. Some of the topics will include:- best practices for creating repeatable deployments of OpenStack- multi-site considerations- how to customize OpenStack to integrate with your existing systems and security best practices.