Welcome!

@CloudExpo Authors: Pat Romanski, Tim Hinds, Xenia von Wedel, William Schmarzo, Elizabeth White

Related Topics: @CloudExpo, Java IoT, Microservices Expo, Containers Expo Blog, @DXWorldExpo, SDN Journal

@CloudExpo: Blog Feed Post

CIO Outlook: Dealing with Legacy Applications

What is the path of least resistance for legacy apps in the cloud?

Legacy apps are surely the albatross of the modern cloud-enabled IT department – you put them there, and now you have to live with them.

Short of scrapping millions of dollars of worth of investments, something needs to be done with these apps, especially when cloud adoption is altering the efficiency and cost landscape for IT.

The first thing is to consider is why the move needs to take place. The reality for most companies is that there is a finite amount of space they can utilize in the data center. Companies have certain apps that they want to run locally, which is often the most mission critical aspects of their business. If its healthcare that’s EMR, if tis retail that’s the point of sale platform. These applications need as  low latency as possible since there will always be someone in the organization that’s doing something very important and needs that data as quickly as possible.

old/new sign

What is the path of least resistance for legacy apps in the cloud?

Most orgs have a pile of legacy apps that are really more like little pieces of things that the business can’t function without. They’re tiny old systems, inventory, products, websites: all this stuff that on any given day is too onerous to rebuild so most businesses leave them where they are in the data center. As a CIO, when considering moving legacy apps to the cloud, simply being able to take all that stuff and get it somewhere is only part of the deal. Doesn’t have to be super high performance (manhattan mini storage of it)

Here are a few other important considerations for legacy apps in the cloud:

1) Compatibility: Is the app in question running on X86 right now? If so, it’s probably ok. If its mainframe, some old programming language, or IBM AIX, its probably not going to be ok. There are tools that help with this (porting old apps into X86 and Linux) in development from VMware, among other providers, so if your MSP is a VMware shop, ask them about this.

2) Reverse engineering: You might be able to easily move the app itself, but can you also pickup and move all the little dependencies and tie in to that app everywhere else in your infrastructure? If its sitting on a network and is hardcoded into who knows what, are you going to spend more time going back through its footprint and understanding what will happen if you pick that app up to move it to a new IP address and new data center location? Most likely the time/money issues associated with this process are more easily dealt with by not dealing with the legacy app. If you knew the app well enough you could just rewrite it, but short of the time and resources a rewrite would take, moving the app into a cloud environment requires a certain level of confidence that the move will work, as well as a lot of attention paid to ensuring that the process is well thought out ahead of time.

3) Licensing issues:  If the app is not something that you’ve designed, like an old accounting dynamics system or point of sales system, or any other platform you bought a million years ago, there are potential issues around moving the app relative to licensing issues. If you move it are you going to have to pay for licensing again? Is the licensing you have going to apply? You may have a data center enterprise global license and transitioning the app on a bunch of VMs will cause your bill to go up.

The cloud can deliver real benefits to an organization’s legacy applications including cost efficiencies, increased performance, reduced latency, as well as improved facility and upkeep. But it’s important to know what has to be handled before a legacy app can be transitioned to a cloud environment.

Thoughts? Let us know on Twitter @CloudGathering.

By Jake Gardner

Read the original blog entry...

More Stories By Gathering Clouds

Cloud computing news, information, and insights. Powered by Logicworks.

@CloudExpo Stories
While some developers care passionately about how data centers and clouds are architected, for most, it is only the end result that matters. To the majority of companies, technology exists to solve a business problem, and only delivers value when it is solving that problem. 2017 brings the mainstream adoption of containers for production workloads. In his session at 21st Cloud Expo, Ben McCormack, VP of Operations at Evernote, discussed how data centers of the future will be managed, how the p...
Sometimes I write a blog just to formulate and organize a point of view, and I think it’s time that I pull together the bounty of excellent information about Machine Learning. This is a topic with which business leaders must become comfortable, especially tomorrow’s business leaders (tip for my next semester University of San Francisco business students!). Machine learning is a key capability that will help organizations drive optimization and monetization opportunities, and there have been some...
"Storpool does only block-level storage so we do one thing extremely well. The growth in data is what drives the move to software-defined technologies in general and software-defined storage," explained Boyan Ivanov, CEO and co-founder at StorPool, in this SYS-CON.tv interview at 16th Cloud Expo, held June 9-11, 2015, at the Javits Center in New York City.
A strange thing is happening along the way to the Internet of Things, namely far too many devices to work with and manage. It has become clear that we'll need much higher efficiency user experiences that can allow us to more easily and scalably work with the thousands of devices that will soon be in each of our lives. Enter the conversational interface revolution, combining bots we can literally talk with, gesture to, and even direct with our thoughts, with embedded artificial intelligence, whic...
As DevOps methodologies expand their reach across the enterprise, organizations face the daunting challenge of adapting related cloud strategies to ensure optimal alignment, from managing complexity to ensuring proper governance. How can culture, automation, legacy apps and even budget be reexamined to enable this ongoing shift within the modern software factory? In her Day 2 Keynote at @DevOpsSummit at 21st Cloud Expo, Aruna Ravichandran, VP, DevOps Solutions Marketing, CA Technologies, was jo...
As Marc Andreessen says software is eating the world. Everything is rapidly moving toward being software-defined – from our phones and cars through our washing machines to the datacenter. However, there are larger challenges when implementing software defined on a larger scale - when building software defined infrastructure. In his session at 16th Cloud Expo, Boyan Ivanov, CEO of StorPool, provided some practical insights on what, how and why when implementing "software-defined" in the datacent...
Blockchain. A day doesn’t seem to go by without seeing articles and discussions about the technology. According to PwC executive Seamus Cushley, approximately $1.4B has been invested in blockchain just last year. In Gartner’s recent hype cycle for emerging technologies, blockchain is approaching the peak. It is considered by Gartner as one of the ‘Key platform-enabling technologies to track.’ While there is a lot of ‘hype vs reality’ discussions going on, there is no arguing that blockchain is b...
Blockchain is a shared, secure record of exchange that establishes trust, accountability and transparency across business networks. Supported by the Linux Foundation's open source, open-standards based Hyperledger Project, Blockchain has the potential to improve regulatory compliance, reduce cost as well as advance trade. Are you curious about how Blockchain is built for business? In her session at 21st Cloud Expo, René Bostic, Technical VP of the IBM Cloud Unit in North America, discussed the b...
You know you need the cloud, but you’re hesitant to simply dump everything at Amazon since you know that not all workloads are suitable for cloud. You know that you want the kind of ease of use and scalability that you get with public cloud, but your applications are architected in a way that makes the public cloud a non-starter. You’re looking at private cloud solutions based on hyperconverged infrastructure, but you’re concerned with the limits inherent in those technologies.
Is advanced scheduling in Kubernetes achievable?Yes, however, how do you properly accommodate every real-life scenario that a Kubernetes user might encounter? How do you leverage advanced scheduling techniques to shape and describe each scenario in easy-to-use rules and configurations? In his session at @DevOpsSummit at 21st Cloud Expo, Oleg Chunikhin, CTO at Kublr, answered these questions and demonstrated techniques for implementing advanced scheduling. For example, using spot instances and co...
The cloud era has reached the stage where it is no longer a question of whether a company should migrate, but when. Enterprises have embraced the outsourcing of where their various applications are stored and who manages them, saving significant investment along the way. Plus, the cloud has become a defining competitive edge. Companies that fail to successfully adapt risk failure. The media, of course, continues to extol the virtues of the cloud, including how easy it is to get there. Migrating...
The use of containers by developers -- and now increasingly IT operators -- has grown from infatuation to deep and abiding love. But as with any long-term affair, the honeymoon soon leads to needing to live well together ... and maybe even getting some relationship help along the way. And so it goes with container orchestration and automation solutions, which are rapidly emerging as the means to maintain the bliss between rapid container adoption and broad container use among multiple cloud host...
Imagine if you will, a retail floor so densely packed with sensors that they can pick up the movements of insects scurrying across a store aisle. Or a component of a piece of factory equipment so well-instrumented that its digital twin provides resolution down to the micrometer.
In his keynote at 18th Cloud Expo, Andrew Keys, Co-Founder of ConsenSys Enterprise, provided an overview of the evolution of the Internet and the Database and the future of their combination – the Blockchain. Andrew Keys is Co-Founder of ConsenSys Enterprise. He comes to ConsenSys Enterprise with capital markets, technology and entrepreneurial experience. Previously, he worked for UBS investment bank in equities analysis. Later, he was responsible for the creation and distribution of life settle...
The need for greater agility and scalability necessitated the digital transformation in the form of following equation: monolithic to microservices to serverless architecture (FaaS). To keep up with the cut-throat competition, the organisations need to update their technology stack to make software development their differentiating factor. Thus microservices architecture emerged as a potential method to provide development teams with greater flexibility and other advantages, such as the abili...
Product connectivity goes hand and hand these days with increased use of personal data. New IoT devices are becoming more personalized than ever before. In his session at 22nd Cloud Expo | DXWorld Expo, Nicolas Fierro, CEO of MIMIR Blockchain Solutions, will discuss how in order to protect your data and privacy, IoT applications need to embrace Blockchain technology for a new level of product security never before seen - or needed.
Leading companies, from the Global Fortune 500 to the smallest companies, are adopting hybrid cloud as the path to business advantage. Hybrid cloud depends on cloud services and on-premises infrastructure working in unison. Successful implementations require new levels of data mobility, enabled by an automated and seamless flow across on-premises and cloud resources. In his general session at 21st Cloud Expo, Greg Tevis, an IBM Storage Software Technical Strategist and Customer Solution Architec...
Nordstrom is transforming the way that they do business and the cloud is the key to enabling speed and hyper personalized customer experiences. In his session at 21st Cloud Expo, Ken Schow, VP of Engineering at Nordstrom, discussed some of the key learnings and common pitfalls of large enterprises moving to the cloud. This includes strategies around choosing a cloud provider(s), architecture, and lessons learned. In addition, he covered some of the best practices for structured team migration an...
In his general session at 21st Cloud Expo, Greg Dumas, Calligo’s Vice President and G.M. of US operations, discussed the new Global Data Protection Regulation and how Calligo can help business stay compliant in digitally globalized world. Greg Dumas is Calligo's Vice President and G.M. of US operations. Calligo is an established service provider that provides an innovative platform for trusted cloud solutions. Calligo’s customers are typically most concerned about GDPR compliance, application p...
Coca-Cola’s Google powered digital signage system lays the groundwork for a more valuable connection between Coke and its customers. Digital signs pair software with high-resolution displays so that a message can be changed instantly based on what the operator wants to communicate or sell. In their Day 3 Keynote at 21st Cloud Expo, Greg Chambers, Global Group Director, Digital Innovation, Coca-Cola, and Vidya Nagarajan, a Senior Product Manager at Google, discussed how from store operations and ...