|By Lori MacVittie||
|February 4, 2014 01:45 PM EST||
Application development trends significantly impact the design of data center networks. Today there are two trends driving a variety of transformation in the network: API dominance and micro-architectures. Combined with a tendency for network operations to protect its critical infrastructure from potentially disruptive change, these trends are driving toward an emerging "app network" tier in the data center that is software-defined.
This "app network" can be realized in one of two ways: through the deployment of application proxies, or via an application service fabric. The choice comes down to how integrated devops and network teams really are, and whether or not you have a service fabric available. If you do, it's a good solution as it affords the same flexibility as application proxies while removing platform-level management from devops shoulders. Only services need be configured, managed and deployed. An application proxy, too, is a good option and gives devops and developers complete control over the platform and the network-hosted domain services.
Today we're going to dive into the application proxy-based architecture.
APPLICATION PROXY ARCHITECTURE
Application proxies are highly programmable, scalable and perform with the alacrity expected of a "network" element.
Application proxies provide devops and developers with the mean to rapidly provision domain services specific to a micro-service or API. By decomposing traditional ADC-hosted services into domain specific, application proxy-hosted services, each service can be containerized and their deployment subsequently automated to ensure CPR (consistent, predictable and repeatable) results. Successful continuous delivery is the end goal. As noted earlier, this can be achieved via an application services fabric as well as dedicated application proxies.
This architectural model is more efficient in terms of resource consumption. Decomposing services ensures they scale independently. When services are code-level integrated into applications, the overall application footprint is much larger and requires more storage and more compute to scale. Decomposition reduces demand for storage and compute overall by only requiring expansion of a subset of services at any given time.
When the application proxy is highly programmable, devops and developers receive added benefits in the form of being able to codify services and treat as part of the code base rather than as separation configuration files. For example, specifying simple URI rewrite rules in some proxies requires changes to a configuration file. Using a programmable application proxy, such rules are coded and treated like artifacts; they can leverage existing build systems like Jenkins. They became part of the overall application rather than separate configuration files that must be merged, replaced, or otherwise managed. Using programmatic means to implement domain specific services affords devops more opportunity to seamlessly integrate with existing application deployment processes and increase its success rates.
The transformation of application architectures is driving data center networks toward a need for programmable domain services. These services must match service velocity and change the economy of scale as the number of applications needing services increases with each new application and application version. Not doing so means organizations will respond with discrete services that introduce operational risk and inability to consistently deploy new applications.
Both application proxies and application service fabrics meet these requirements, and both models are equally capable in offering a more seamless, less disconnected continuous delivery experience.
This digest provides an overview of good resources that are well worth reading. We’ll be updating this page as new content becomes available, so I suggest you bookmark it. Also, expect more digests to come on different topics that make all of our IT-hearts go boom!
Jul. 28, 2016 12:30 AM EDT Reads: 3,674
Keeping pace with advancements in software delivery processes and tooling is taxing even for the most proficient organizations. Point tools, platforms, open source and the increasing adoption of private and public cloud services requires strong engineering rigor – all in the face of developer demands to use the tools of choice. As Agile has settled in as a mainstream practice, now DevOps has emerged as the next wave to improve software delivery speed and output. To make DevOps work, organization...
Jul. 28, 2016 12:15 AM EDT Reads: 2,221
SYS-CON Events announced today that Isomorphic Software will exhibit at DevOps Summit at 19th International Cloud Expo, which will take place on November 1–3, 2016, at the Santa Clara Convention Center in Santa Clara, CA. Isomorphic Software provides the SmartClient HTML5/AJAX platform, the most advanced technology for building rich, cutting-edge enterprise web applications for desktop and mobile. SmartClient combines the productivity and performance of traditional desktop software with the simp...
Jul. 27, 2016 10:30 PM EDT Reads: 1,146
Internet of @ThingsExpo, taking place November 1-3, 2016, at the Santa Clara Convention Center in Santa Clara, CA, is co-located with the 19th International Cloud Expo and will feature technical sessions from a rock star conference faculty and the leading industry players in the world and ThingsExpo Silicon Valley Call for Papers is now open.
Jul. 27, 2016 10:00 PM EDT Reads: 2,658
In his session at @DevOpsSummit at 19th Cloud Expo, Yoseph Reuveni, Director of Software Engineering at Jet.com, will discuss Jet.com's journey into containerizing Microsoft-based technologies like C# and F# into Docker. He will talk about lessons learned and challenges faced, the Mono framework tryout and how they deployed everything into Azure cloud. Yoseph Reuveni is a technology leader with unique experience developing and running high throughput (over 1M tps) distributed systems with extre...
Jul. 27, 2016 09:45 PM EDT Reads: 2,168
Sharding has become a popular means of achieving scalability in application architectures in which read/write data separation is not only possible, but desirable to achieve new heights of concurrency. The premise is that by splitting up read and write duties, it is possible to get better overall performance at the cost of a slight delay in consistency. That is, it takes a bit of time to replicate changes initiated by a "write" to the read-only master database. It's eventually consistent, and it'...
Jul. 27, 2016 08:15 PM EDT Reads: 2,200
There's a lot of things we do to improve the performance of web and mobile applications. We use caching. We use compression. We offload security (SSL and TLS) to a proxy with greater compute capacity. We apply image optimization and minification to content. We do all that because performance is king. Failure to perform can be, for many businesses, equivalent to an outage with increased abandonment rates and angry customers taking to the Internet to express their extreme displeasure.
Jul. 27, 2016 03:30 PM EDT Reads: 1,604
Right off the bat, Newman advises that we should "think of microservices as a specific approach for SOA in the same way that XP or Scrum are specific approaches for Agile Software development". These analogies are very interesting because my expectation was that microservices is a pattern. So I might infer that microservices is a set of process techniques as opposed to an architectural approach. Yet in the book, Newman clearly includes some elements of concept model and architecture as well as p...
Jul. 27, 2016 02:30 PM EDT Reads: 9,722
No matter how well-built your applications are, countless issues can cause performance problems, putting the platforms they are running on under scrutiny. If you've moved to Node.js to power your applications, you may be at risk of these issues calling your choice into question. How do you identify vulnerabilities and mitigate risk to take the focus off troubleshooting the technology and back where it belongs, on innovation? There is no doubt that Node.js is one of today's leading platforms of ...
Jul. 27, 2016 11:15 AM EDT Reads: 302
SYS-CON Events announced today that LeaseWeb USA, a cloud Infrastructure-as-a-Service (IaaS) provider, will exhibit at the 19th International Cloud Expo, which will take place on November 1–3, 2016, at the Santa Clara Convention Center in Santa Clara, CA. LeaseWeb is one of the world's largest hosting brands. The company helps customers define, develop and deploy IT infrastructure tailored to their exact business needs, by combining various kinds cloud solutions.
Jul. 27, 2016 10:30 AM EDT Reads: 1,234
Adding public cloud resources to an existing application can be a daunting process. The tools that you currently use to manage the software and hardware outside the cloud aren’t always the best tools to efficiently grow into the cloud. All of the major configuration management tools have cloud orchestration plugins that can be leveraged, but there are also cloud-native tools that can dramatically improve the efficiency of managing your application lifecycle. In his session at 18th Cloud Expo, ...
Jul. 27, 2016 10:30 AM EDT Reads: 1,091
Ovum, a leading technology analyst firm, has published an in-depth report, Ovum Decision Matrix: Selecting a DevOps Release Management Solution, 2016–17. The report focuses on the automation aspects of DevOps, Release Management and compares solutions from the leading vendors.
Jul. 27, 2016 10:00 AM EDT Reads: 1,758
SYS-CON Events announced today that Venafi, the Immune System for the Internet™ and the leading provider of Next Generation Trust Protection, will exhibit at @DevOpsSummit at 19th International Cloud Expo, which will take place on November 1–3, 2016, at the Santa Clara Convention Center in Santa Clara, CA. Venafi is the Immune System for the Internet™ that protects the foundation of all cybersecurity – cryptographic keys and digital certificates – so they can’t be misused by bad guys in attacks...
Jul. 27, 2016 09:15 AM EDT Reads: 1,383
Let's just nip the conflation of these terms in the bud, shall we?
"MIcro" is big these days. Both microservices and microsegmentation are having and will continue to have an impact on data center architecture, but not necessarily for the same reasons. There's a growing trend in which folks - particularly those with a network background - conflate the two and use them to mean the same thing.
They are not.
One is about the application. The other, the network. T...
Jul. 27, 2016 04:30 AM EDT Reads: 3,596
This is a no-hype, pragmatic post about why I think you should consider architecting your next project the way SOA and/or microservices suggest. No matter if it’s a greenfield approach or if you’re in dire need of refactoring. Please note: considering still keeps open the option of not taking that approach. After reading this, you will have a better idea about whether building multiple small components instead of a single, large component makes sense for your project. This post assumes that you...
Jul. 27, 2016 03:45 AM EDT Reads: 4,207
DevOps at Cloud Expo – being held November 1-3, 2016, at the Santa Clara Convention Center in Santa Clara, CA – announces that its Call for Papers is open. Born out of proven success in agile development, cloud computing, and process automation, DevOps is a macro trend you cannot afford to miss. From showcase success stories from early adopters and web-scale businesses, DevOps is expanding to organizations of all sizes, including the world's largest enterprises – and delivering real results. Am...
Jul. 27, 2016 02:45 AM EDT Reads: 2,306
The 19th International Cloud Expo has announced that its Call for Papers is open. Cloud Expo, to be held November 1-3, 2016, at the Santa Clara Convention Center in Santa Clara, CA, brings together Cloud Computing, Big Data, Internet of Things, DevOps, Digital Transformation, Microservices and WebRTC to one location. With cloud computing driving a higher percentage of enterprise IT budgets every year, it becomes increasingly important to plant your flag in this fast-expanding business opportuni...
Jul. 27, 2016 02:15 AM EDT Reads: 2,623
If you are within a stones throw of the DevOps marketplace you have undoubtably noticed the growing trend in Microservices. Whether you have been staying up to date with the latest articles and blogs or you just read the definition for the first time, these 5 Microservices Resources You Need In Your Life will guide you through the ins and outs of Microservices in today’s world.
Jul. 27, 2016 01:15 AM EDT Reads: 4,076
Before becoming a developer, I was in the high school band. I played several brass instruments - including French horn and cornet - as well as keyboards in the jazz stage band. A musician and a nerd, what can I say? I even dabbled in writing music for the band. Okay, mostly I wrote arrangements of pop music, so the band could keep the crowd entertained during Friday night football games. What struck me then was that, to write parts for all the instruments - brass, woodwind, percussion, even k...
Jul. 27, 2016 12:45 AM EDT Reads: 2,248
Jul. 26, 2016 06:45 PM EDT Reads: 3,908