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There has been much debate lately on what exactly WSDL's purpose is, and much of that debate has focused on whether WSDL is an interface definition language (IDL), or whether WSDL is better used to specify message-level contracts (without any associated operational semantics). In this article we present an argument that dealing with WSDL as a message-level contract description language is the right way to go for building loosely coupled Web services. Interfaces and Contracts Before we delve into the specifics of how WSDL should be used, we need to understand the difference between a classic interface and a contract. By understanding the different problems that each solve we can begin to form a picture of when it is appropriate to use one or the other. Let's start by briefly recalling exactly what is meant by an interface. In an object-oriented view of the world, appli... (more)

Inducing Behavioral Adaptations Within SOA and Web Services

Web services have evolved from plain application-integration enablers to value-added stand-alone functionality providers such as getting a quote to a comprehensive business function like processing orders. Enterprises are exploiting this new revenue model by offering such business functions as services on usage basis. Information sharing instances such as Amazon's e-commerce services have helped in the creation of new powerful solutions using business functions as services. Why Do We Need Adaptation in Web Services? In the vision of e-business, it becomes important to address the dynamic nature of business environments. As third parties access more and more business functions, the richness of Web services offered should be adequately addressed. With Web services having to participate and cooperate in a networked system, they may need to frequently join or leave a pro... (more)

The Top 150 Players in Cloud Computing

Cloud Expo Early Bird Savings A robust ecosystem of solutions providers is emerging around cloud computing. Here, SYS-CON's Cloud Computing Journal expands its list of most active players in the fast-emerging Cloud Ecosystem, from the 'mere' 100 we identified back in January of this year, to half as many again - testimony, if any further were needed, to the fierce and continuing growth of the "Elastic IT" paradigm throughout the world of enterprise computing. Editorial note: The words in quotation marks used to describe the various services and solutions in this round-up are in every case taken from the Web sites cited. As ever we encourage software engineers, developers, IT operations managers, and new/growing companies in every case to "suck it and see" by downloading or otherwise sampling the offering in question for themselves. (Omissions to this Top 150 list sh... (more)

Oracle to Present on Java in the Cloud at Cloud Expo 2011 New York

Cloud Expo 2011 New York $800 Savings here! GlassFish, the Reference Implementation of Java EE 6, can easily run on multiple cloud infrastructures. Learn how to create a simple Java EE 6 sample application and deploy them on GlassFish v3 running locally and then deploy it using Amazon, RightScale, Joyent, and Elastra cloud infrastructures. In his session at the 8th International Cloud Expo, Arun Gupta, Java EE and GlassFish evangelist at Oracle, will provide a brief introduction to Java EE 6 and GlassFish v3. In addition he will talk about what Java EE currently offers for the cloud and the future directions in Java EE 7 in relation to cloud. Explore Cloud Expo Sponsorship & Exhibit Opportunities ! Speaker Bio: Arun Gupta is a Java EE and GlassFish evangelist working at Oracle. He has over 14 years of experience in the software industry working in the Java platform... (more)

Where Cloud Computing Takes Us

The next edition of the HP Discover Performance podcast series brings together two top cloud evangelists from the recent HP Discover 2012 Conference to discuss the specific concepts around converged cloud, information clouds, and hybrid services delivery. We’re joined by Paul Muller, the Chief Software Evangelist at HP, and Christian Verstraete, Chief Technologist for Cloud Strategy at HP. The discussion is moderated by Dana Gardner, Principal Analyst at Interarbor Solutions. [Disclosure: HP is a sponsor of BriefingsDirect podcasts.] Here are some excerpts: Gardner: You’ve separated the notion of hybrid computing and hybrid delivery. Can you help me understand better why they're different, and what HP means by hybrid delivery? Verstraete: Hybrid computing typically is combining private and public clouds. We feel that many of our customers still have a traditional env... (more)

The Top 250 Players in the Cloud Computing Ecosystem

In the run-up to the next Cloud Expo, 7th Cloud Expo (November 1–4, 2010) being held at the Santa Clara Convention Center in Silicon Valley, it's time to give my earlier list a complete overhaul. Here, accordingly, is an expanded list of the most active players in the Cloud Ecosystem. I have increased it from the 'mere' 150 I identified back in January of this year, to 250, testimony – as if any were needed! – to the fierce and continuing growth of the "Elastic IT" paradigm throughout the world of enterprise computing. Editorial note: The words in quotation marks used to describe the various services and solutions in this round-up are in every case taken from the Web sites of the companies themselves. Omissions to this Top 250 list should be sent to me via Twitter (twitter.com/jg21) and I will endeavor to include them in any future revision of this newly expanded rou... (more)

9th Cloud Expo | Speaker Faculty A–Z

With Cloud Expo Silicon Valley (9th Cloud Expo) beginning its final two days at the Santa Clara Convention Center, CA, let's remind you in greater detail about all the the distinguished individuals in our incredible Speaker Faculty for the technical program at the conference... We have technical and strategy sessions for you dealing with every nook and cranny of Cloud Computing, but what of those who are presenting? Who are they, where do they work, what else have they written and/or said about the Cloud that is transforming the world of Enterprise IT? Just click on the speaker name of your choice to go straight to the relevant Cloud Expo Speaker Profile. Brett Adam - CTO at rPath Michael Adams - GPM at VMware Brian Adler - Sr. Professional Services Architect at RightScale Rahul Akolkar - Services Cloud Platform  team at IBM Allen Allison - Chief Security Officer at NaviS... (more)

Internet Of @ThingsExpo Sponsorship Opportunities Announced (#IoT)

@ThingsExpo billboard is viewed by more than 1.3 million motorists per week on Highway 101, in the heart of Silicon Valley Join Over 7,000 IoT Delegates at The World's Largest 'Internet of Things' Event! Internet of @ThingsExpo, taking place Nov 4-6, 2014, at the Santa Clara Convention Center in Santa Clara, CA, is co-located with 15th Cloud Expo and will feature technical sessions from a rock star conference faculty and the leading industry players in the world. The Internet of Things (IoT) is the most profound change in personal and enterprise IT since the creation of the Worldwide Web more than 20 years ago. All major researchers estimate there will be tens of billions devices - computers, smartphones, tablets, and sensors - connected to the Internet by 2020. This number will continue to grow at a rapid pace for the next several decades. With major technology co... (more)

For Valentine's Day | @CloudExpo #DevOps #BigData #IoT #ML #Microservices

For Valentine's Day, here's a lighthearted look at the "relationship" between two complementary technologies: service virtualization and cloud dev/test labs. Dear Service Virtualization, Hey, I know it's been a while since we started being "a thing." When we met, everyone said you were just mocking, and that I wasn't real enough to make a living, with my head in the clouds. Yet, here we are, a few years later. Service Virtualization, you complete me. As a young Dev/Test Cloud, I always wanted to try new things. And what better use for Cloud than experimenting with software for startup companies? I was flexible, I thought I had the capacity to handle anything. I'd stay up all night studying or partying, but sometimes I'd crash. So what if some college kid's cloud-based photo-sharing site experiment goes down? It wasn't going to impact anyone's life. But when it came... (more)

ITIL vs. DevOps | @DevOpsSummit #DevOps #ITIL #FedRAMP #Microsevices

Earlier this week, we hosted our Continuous Discussion video podcast, this time discussing ITIL and DevOps. The episode featured expert panelists Jan-Joost Bouwman (ING), Kaimar Karu (AXELOS), Jeff Sussna (DevOps writer and speaker) and Simon Morris (ServiceNow). During our discussion, we uncovered the similarities and differences between ITIL and DevOps, and discussed tips for how to align the two methodologies in an organization. Read on for the top highlights, best practices and key takeaways from this week's expert discussion. Want more #c9d9? Join us every other Tuesday at 10 a.m. PST for free, live episodes of Continuous Discussions video podcast. In the meantime, you can watch every single Continuous Discussion here or on our Youtube playlist. Also, be sure to join us on Tuesday, March 22nd for a special episode of #c9d9 at 5 p.m. PST, live from Mobile Deliv... (more)

Reference Architecture for #Microservices | @CloudExpo #Serverless #DevOps

The goal of Microservices is to improve software delivery speed and increase system safety as scale increases. Microservices being modular these are faster to change and enables an evolutionary architecture where systems can change, as the business needs change. Microservices can scale elastically and by being service oriented can enable APIs natively. Microservices also reduce implementation and release cycle time and enables continuous delivery. This paper provides a logical overview of the Microservices Reference Architecture that highlights various sub systems needed to support Microservices deployment and execution. Introduction Switch over to Microservices is an hour of need in web application development and delivery and is crucial for the success of Enterprises today. Of late, enterprises are adopting technologies like analytics, mobility, social media, IoT... (more)

Microservices Articles
Modern software design has fundamentally changed how we manage applications, causing many to turn to containers as the new virtual machine for resource management. As container adoption grows beyond stateless applications to stateful workloads, the need for persistent storage is foundational - something customers routinely cite as a top pain point. In his session at @DevOpsSummit at 21st Cloud Expo, Bill Borsari, Head of Systems Engineering at Datera, explored how organizations can reap the bene...
"NetApp's vision is how we help organizations manage data - delivering the right data in the right place, in the right time, to the people who need it, and doing it agnostic to what the platform is," explained Josh Atwell, Developer Advocate for NetApp, in this SYS-CON.tv interview at 20th Cloud Expo, held June 6-8, 2017, at the Javits Center in New York City, NY.
The Jevons Paradox suggests that when technological advances increase efficiency of a resource, it results in an overall increase in consumption. Writing on the increased use of coal as a result of technological improvements, 19th-century economist William Stanley Jevons found that these improvements led to the development of new ways to utilize coal. In his session at 19th Cloud Expo, Mark Thiele, Chief Strategy Officer for Apcera, compared the Jevons Paradox to modern-day enterprise IT, examin...
In his session at 20th Cloud Expo, Mike Johnston, an infrastructure engineer at Supergiant.io, discussed how to use Kubernetes to set up a SaaS infrastructure for your business. Mike Johnston is an infrastructure engineer at Supergiant.io with over 12 years of experience designing, deploying, and maintaining server and workstation infrastructure at all scales. He has experience with brick and mortar data centers as well as cloud providers like Digital Ocean, Amazon Web Services, and Rackspace. H...
Skeuomorphism usually means retaining existing design cues in something new that doesn’t actually need them. However, the concept of skeuomorphism can be thought of as relating more broadly to applying existing patterns to new technologies that, in fact, cry out for new approaches. In his session at DevOps Summit, Gordon Haff, Senior Cloud Strategy Marketing and Evangelism Manager at Red Hat, will discuss why containers should be paired with new architectural practices such as microservices ra...
In his session at 20th Cloud Expo, Scott Davis, CTO of Embotics, discussed how automation can provide the dynamic management required to cost-effectively deliver microservices and container solutions at scale. He also discussed how flexible automation is the key to effectively bridging and seamlessly coordinating both IT and developer needs for component orchestration across disparate clouds – an increasingly important requirement at today’s multi-cloud enterprise.
The Software Defined Data Center (SDDC), which enables organizations to seamlessly run in a hybrid cloud model (public + private cloud), is here to stay. IDC estimates that the software-defined networking market will be valued at $3.7 billion by 2016. Security is a key component and benefit of the SDDC, and offers an opportunity to build security 'from the ground up' and weave it into the environment from day one. In his session at 16th Cloud Expo, Reuven Harrison, CTO and Co-Founder of Tufin, ...
DevOps is often described as a combination of technology and culture. Without both, DevOps isn't complete. However, applying the culture to outdated technology is a recipe for disaster; as response times grow and connections between teams are delayed by technology, the culture will die. A Nutanix Enterprise Cloud has many benefits that provide the needed base for a true DevOps paradigm. In their Day 3 Keynote at 20th Cloud Expo, Chris Brown, a Solutions Marketing Manager at Nutanix, and Mark Lav...
Many organizations are now looking to DevOps maturity models to gauge their DevOps adoption and compare their maturity to their peers. However, as enterprise organizations rush to adopt DevOps, moving past experimentation to embrace it at scale, they are in danger of falling into the trap that they have fallen into time and time again. Unfortunately, we've seen this movie before, and we know how it ends: badly.
TCP (Transmission Control Protocol) is a common and reliable transmission protocol on the Internet. TCP was introduced in the 70s by Stanford University for US Defense to establish connectivity between distributed systems to maintain a backup of defense information. At the time, TCP was introduced to communicate amongst a selected set of devices for a smaller dataset over shorter distances. As the Internet evolved, however, the number of applications and users, and the types of data accessed and...