Welcome!

@CloudExpo Authors: Liz McMillan, Dana Gardner, Elizabeth White, PagerDuty Blog, Pat Romanski

Related Topics: Microservices Expo, @CloudExpo

Microservices Expo: Article

The Overlapping Worlds of SaaS and SOA

How SaaS and SOA will enable "IT as a Service"

Software as a Service (SaaS) is getting a lot of attention these days. The concept of SaaS is not new and has existed for a while. It has been referred to by other names such as Application Service Provider (ASP), Managed service provider (MSP), on-demand services, cloud computing, utility computing etc. SaaS involves exposing applications over the network on a subscription basis with the pay-as-you-go model. This model was earlier popular with only small businesses who didn't want to invest heavily in their own IT departments, but slowly, this model is making its way into medium and large enterprises. SaaS offerings from companies such as SalesForce.com and Cisco WebEx have made this move up the chain possible. SaaS value proposition is now pretty clear to companies of all sizes and SaaS has become a crucial component of IT strategy for all companies.

Similarly, Service Oriented Architecture (SOA) is getting a lot of attention these days. Again, the basic concept behind SOA is not new and has existed for a long time. SOA basically involves exposing functionality from distributed systems in the form of stateless functions; this is similar to other distributed system architectures such as CORBA and DCOM. What is making SOA much more popular and prevalent than CORBA or DCOM ever did is the web services standards such as SOAP, WSDL, UDDI etc. Similar standards existed with CORBA and DCOM as well but were not open enough and led to vendor or technology lock-in. With web services, all the major vendors are behind the same set of standards, so there is a higher chance of interoperability between various systems and hence a higher potential ROI for SOA.

SaaS deployments are revenue generating businesses targeted directly at end users, whereas SOA deployments are usually created within IT environments and the services are exposed to other applications as opposed to end users. What I intend to communicate through this article is the close relationship between SaaS and SOA. SaaS and SOA are very complementary in nature. In fact, they can't exist without each other.

What are the key elements of a SaaS platform? Every SaaS platform has to have a few core things in place, these are: multi-tenancy, ordering and provisioning, user authentication and authorization, service catalog and pricing, service monitoring, <st1:place w:st="on">SLA</st1:place> management, usage metering, billing, invoicing and payments. Besides these core components, a SaaS platform also needs to support the usual business functions such as marketing, lead tracking, sales, customer support, revenue and financial management, partner settlement, business intelligence etc.

Now, let's take a look at the key elements of a SOA platform. A typical SOA platform deployment consists of service producers and consumers from across the enterprise. Service producers publish services via the SOA platform, which get consumed by multiple service consumers. There has been a lot of focus on the technical aspects of a SOA platform e.g. service bus, communication protocols (e.g. SOAP), service interface definitions (e.g. WSDL), service discovery (e.g. UDDI) etc. The importance of service monitoring, management and governance is also well understood, but this is not enough. In a typical large enterprise, the service producers and consumers could be applications or systems belonging to different departments, organizations or even subsidiaries within the enterprise. In such environments, services cannot be produced and consumed informally without proper service management in place since there is a cost associated to hosting and exposing a service by the service producer. In order to derive this cost, the total cost of operations or ownership (TCO) needs to be taken into account besides the cost to create the service. Also, there are security concerns around publishing the services openly. This leads to the need for service catalog management, provisioning, authentication, authorization, usage metering and cross-department charging. As highlighted before, these are also the core elements of a SaaS platform. So as an enterprise SOA deployment matures, it is suddenly in need of the core functions of a SaaS platform.

Let's take a look at the flip side of this. Every SaaS platform needs to support the ability to add new service offerings and modify existing offerings in the service catalog with minimal changes to the core platform components. These additions or modifications should not lead to creation of a whole new SaaS platform for every service. Instead, all the basic functionalities of the SaaS platform such as ordering and provisioning, authentication and authorization, service catalog and pricing, metering, billing and invoicing, payments etc should be reused for multiple service offerings. Such reuse necessitates the need for a SOA platform. Further, use of a SOA platform enables other advantages such as a more flexible and plug-n-play architecture leading to lower overall cost of ownership.

It is probably quite intuitive that most complex architectures including SaaS architecture will benefit from SOA capabilities, but a SOA platform needing SaaS capabilities is not that intuitive. There has been a lot of hype around SOA for a while but most SOA deployments in large enterprises have either not been successful or have not provided the expected ROI because the SaaS elements are missing in these deployments. In order to realize the full benefits of large-scale SOA deployments, it is essential to have a SaaS like service management functionality in place. This is where SOA and SaaS together can enable the concept of "IT as a service" and help take IT to the next natural step in its evolution.

More Stories By Vinay Singla

Vinay Singla is a senior technology professional with extensive experience in the SaaS and SOA space.

@CloudExpo Stories
There is growing need for data-driven applications and the need for digital platforms to build these apps. In his session at 19th Cloud Expo, Muddu Sudhakar, VP and GM of Security & IoT at Splunk, will cover different PaaS solutions and Big Data platforms that are available to build applications. In addition, AI and machine learning are creating new requirements that developers need in the building of next-gen apps. The next-generation digital platforms have some of the past platform needs a...
SYS-CON Events announced today Telecom Reseller has been named “Media Sponsor” of SYS-CON's 19th International Cloud Expo, which will take place on November 1–3, 2016, at the Santa Clara Convention Center in Santa Clara, CA. Telecom Reseller reports on Unified Communications, UCaaS, BPaaS for enterprise and SMBs. They report extensively on both customer premises based solutions such as IP-PBX as well as cloud based and hosted platforms.
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...
Internet of @ThingsExpo, taking place November 1-3, 2016, at the Santa Clara Convention Center in Santa Clara, CA, is co-located with 19th 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 - comp...
SYS-CON Events announced today that eCube Systems, a leading provider of middleware modernization, integration, and management solutions, 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. eCube Systems offers a family of middleware evolution products and services that maximize return on technology investment by leveraging existing technical equity to meet evolving business needs. ...
StarNet Communications Corp has announced the addition of three Secure Remote Desktop modules to its flagship X-Win32 PC X server. The new modules enable X-Win32 to safely tunnel the remote desktops from Linux and Unix servers to the user’s PC over encrypted SSH. Traditionally, users of PC X servers deploy the XDMCP protocol to display remote desktop environments such as the Gnome and KDE desktops on Linux servers and the CDE environment on Solaris Unix machines. XDMCP is used primarily on comp...
Traditional on-premises data centers have long been the domain of modern data platforms like Apache Hadoop, meaning companies who build their business on public cloud were challenged to run Big Data processing and analytics at scale. But recent advancements in Hadoop performance, security, and most importantly cloud-native integrations, are giving organizations the ability to truly gain value from all their data. In his session at 19th Cloud Expo, David Tishgart, Director of Product Marketing ...
DevOps at Cloud Expo, taking place Nov 1-3, 2016, at the Santa Clara Convention Center in Santa Clara, CA, is co-located with 19th Cloud Expo and will feature technical sessions from a rock star conference faculty and the leading industry players in the world. The widespread success of cloud computing is driving the DevOps revolution in enterprise IT. Now as never before, development teams must communicate and collaborate in a dynamic, 24/7/365 environment. There is no time to wait for long dev...
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...
Aspose.Total for .NET is the most complete package of all file format APIs for .NET as offered by Aspose. It empowers developers to create, edit, render, print and convert between a wide range of popular document formats within any .NET, C#, ASP.NET and VB.NET applications. Aspose compiles all .NET APIs on a daily basis to ensure that it contains the most up to date versions of each of Aspose .NET APIs. If a new .NET API or a new version of existing APIs is released during the subscription peri...
Data is the fuel that drives the machine learning algorithmic engines and ultimately provides the business value. In his session at Cloud Expo, Ed Featherston, a director and senior enterprise architect at Collaborative Consulting, will discuss the key considerations around quality, volume, timeliness, and pedigree that must be dealt with in order to properly fuel that engine.
SYS-CON Events announced today that StarNet Communications 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. StarNet Communications’ FastX is the industry first cloud-based remote X Windows emulator. Using standard Web browsers (FireFox, Chrome, Safari, etc.) users from around the world gain highly secure access to applications and data hosted on Linux-based servers in a central data center. ...
SYS-CON Events announced today that Hitrons Solutions 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. Hitrons Solutions Inc. is distributor in the North American market for unique products and services of small and medium-size businesses, including cloud services and solutions, SEO marketing platforms, and mobile applications.
As the world moves toward more DevOps and Microservices, application deployment to the cloud ought to become a lot simpler. The Microservices architecture, which is the basis of many new age distributed systems such as OpenStack, NetFlix and so on, is at the heart of Cloud Foundry - a complete developer-oriented Platform as a Service (PaaS) that is IaaS agnostic and supports vCloud, OpenStack and AWS. Serverless computing is revolutionizing computing. In his session at 19th Cloud Expo, Raghav...
Pulzze Systems was happy to participate in such a premier event and thankful to be receiving the winning investment and global network support from G-Startup Worldwide. It is an exciting time for Pulzze to showcase the effectiveness of innovative technologies and enable them to make the world smarter and better. The reputable contest is held to identify promising startups around the globe that are assured to change the world through their innovative products and disruptive technologies. There w...
Today we can collect lots and lots of performance data. We build beautiful dashboards and even have fancy query languages to access and transform the data. Still performance data is a secret language only a couple of people understand. The more business becomes digital the more stakeholders are interested in this data including how it relates to business. Some of these people have never used a monitoring tool before. They have a question on their mind like “How is my application doing” but no id...
Personalization has long been the holy grail of marketing. Simply stated, communicate the most relevant offer to the right person and you will increase sales. To achieve this, you must understand the individual. Consequently, digital marketers developed many ways to gather and leverage customer information to deliver targeted experiences. In his session at @ThingsExpo, Lou Casal, Founder and Principal Consultant at Practicala, discussed how the Internet of Things (IoT) has accelerated our abil...
With so much going on in this space you could be forgiven for thinking you were always working with yesterday’s technologies. So much change, so quickly. What do you do if you have to build a solution from the ground up that is expected to live in the field for at least 5-10 years? This is the challenge we faced when we looked to refresh our existing 10-year-old custom hardware stack to measure the fullness of trash cans and compactors.
Extreme Computing is the ability to leverage highly performant infrastructure and software to accelerate Big Data, machine learning, HPC, and Enterprise applications. High IOPS Storage, low-latency networks, in-memory databases, GPUs and other parallel accelerators are being used to achieve faster results and help businesses make better decisions. In his session at 18th Cloud Expo, Michael O'Neill, Strategic Business Development at NVIDIA, focused on some of the unique ways extreme computing is...
The emerging Internet of Everything creates tremendous new opportunities for customer engagement and business model innovation. However, enterprises must overcome a number of critical challenges to bring these new solutions to market. In his session at @ThingsExpo, Michael Martin, CTO/CIO at nfrastructure, outlined these key challenges and recommended approaches for overcoming them to achieve speed and agility in the design, development and implementation of Internet of Everything solutions wi...