Cloud Computing as an Enterprise Application Service Reordering the economics of software, cloud computing is alleviating many of the capital expenses (CAPEX), inflexibility of previous-generation software platforms, and inability of on-premise applications to be customized on an ongoing basis to evolving customer needs. These are the three top factors of many that are driving the adoption of cloud computing technologies in enterprises today. Implicit in the entire series of critical success factors that are forcing the migration of on-premise to cloud computing platforms is the greater agility and speed the latter platform offers. Line-of-business executives today are increasingly defining the priorities of IT departments, often also defining budgeting cycles as well. Their primary concern is ability able to quickly get up and running on a new enterprise application, integrating its workflows into existing legacy and 3rd party systems, databases and applications, while also getting the performance gains of the new software (Bentley, 2008). Due to these factors cloud computing is evolving rapidly, changing the economics of enterprise software especially. Large-scale systems are most often purchased using Capital Expense (CAPEX) budgeting processes that often take several months ot over a year to complete. Often CAPEX-based spending on enterprise software also requires the board of directors for a company to authorize spending large amounts on new systems. The greatest cost benefit of cloud computing applications is that they don't require this level of funding approvals, as cloud-based applications are often expensed. The operating expense (OPEX)-based approach to buying that cloud computing applications in general and Software-as-a-Service (SaaS) specifically create due to their scalability and use models are leading to line-of-business managers paying for them out of their operating budgets, no longer going to the Chief Information Officer (CIO) for approvals (Aljabre, 2012). This has also completely changed the balance of power in how software is purchased and used in enterprises today as well. Throughout this analysis, these dynamics will be analyzed in the context of the strategic importance and objectives of cloud computing, while also reviewing the operations management concepts of cloud-based applications as well. This analysis concludes with a series of recommendations for improving cloud computing operations as well.

Strategic Importance and Objectives of Cloud Computing

Unifying legacy, 3rd party and enterprise-wide systems while at the same time significantly improving time-to-market of new product development strategies are two of the many strategic priorities that drive enterprises to adopt cloud computing platforms. The economics of this platform however are pervasive across all enterprise systems, with the most immediate impact being seen online-of-business applications that can be easily replicated onto a cloud computing platform. Due to cloud computing's economics favoring OPEX-based purchasing models where enterprises only pay for the computing power, processing and storage time needed, Customer Relationship Management (CRM), accounting, finance, Human Resource Management (HRM) and most recently Enterprise Resource Planning (ERP) systems are being migrated from costly in-premise-based licensing models to cloud-based pricing models that are more oriented towards OPEX-based pricing models (Dihal, Bouwman, de Reuver, Warnier, Carlsson, 2013). The strategic performance objectives of cloud computing include providing enterprises with greater cost efficiencies with regard to their use of computing systems (as they only pay for as much as they use on a cloud computing model) in addition to accelerating how quickly an organization can integrate legacy systems and accomplish their long-term strategies over time. These strategies include more efficiently orchestrating new product introductions, which are by definition highly integrative and synchronized in nature. Another aspect of the strategic importance of cloud computing includes transitioning IT infrastructure-centric assets to a more solution-centric role in the organization (Bowers, 2011). The migration of IT infrastructure-centric computing to solution-centric is also serving to re-order all of enterprise computing, with cloud computing being the most disruptive of catalysts forcing the redefinition of the enterprise software market. Figure 1, Heat Map Analysis of Cloud Computing Services Provider Levels illustrates this market dynamics shift.

Figure 1 also illustrates the technology structure of cloud computing with Cloud Services Enablement being at the foundation. This is also referred to as Infrastructure-as-a-Service (IaaS) and is the foundation of cloud computing platforms. The Mgmt. And Security Services shown with System Infrastructure Services, App. Infrastructure Services are the Platform-as-a-Service (PaaS) layers of the cloud computing architecture. The Software-as-a-Service (SaaS) level of the model is Application Services and Business & Information Services. Taken together the IaaS, PaaS and SaaS stacks combined create the cloud computing stack (Dihal, Bouwman, de Reuver, Warnier, Carlsson, 2013). Cost efficiencies are created...

Multitenancy is often considered the best practice in terms of attaining higher levels of profitability over time as a single instance of a given application can be used across multiple customer accounts (Corbett, 2009). While security considerations are significant, cloud computing platform providers including Amazon, Google, IBM, Microsoft and others continually invest in research & development to further strengthen their cloud platforms. All of these factors taken together lead to more secured, scalable, and cost-effective cloud computing platforms enterprises are increasingly relying on for manage their suites of applications.
Operations Management Concepts of Cloud Computing

Cloud computing's initial adoption was more oriented towards the development of applications that streamlined easily replaced workflows in enterprises. This included the more basic forms of CRM, sales management and partner relationship management. In many cases these workflows had been manually completed less than a decade before enterprise software was designed to automate them, so enterprises were accustomed to thinking of them as having the potential for cost reduction from automation. This mindset of moving from highly manual processes to automated workflows has continually progressed over the last five years, accelerating into the more complex areas of the enterprise (Dhar, 2012). Where five years ago and advanced and more complex workflow for CRM would have been quite challenging to implement, today more complex procurement workflows including source-to-pay, contract to resolution and order-to-cash are being implemented. The following recent survey illustrates the distribution of applications, infrastructure, business processes and analytics currently in use, planned for implementation, and the percentage of respondents who have no plans to implement cloud services in each specific category. Of specific interest is the area of Business Processes that has the called out percentages showing relative uses and plans for cloud computing. Over the last five years they have continued to become more complex and intricate, illustrating the increase functionality and nature of cloud computing's ability to scale into a viable enterprise platform.

Figure 2: Adoption of Cloud Computing By Application, Infrastructure, Business Processes and Analytics

Source: Gartner

The progression of cloud computing at the enterprise level has also led to greater acceptance and adoption of large-scale Enterprise Resource Planning (ERP) systems as well (Yoo, 2011). These systems are designed to ensure that the many inbound supply chain, pricing, services, logistics, production, distribution and selling systems all stays synchronized with each other. ERP systems are an outgrowth of the traditional material Requirements Planning (MRP) systems that were pervasively used for managing single-instance production environments. Now with much greater variation in production centers, sourcing contracts and the advent of two-tier ERP deployment strategies that are capitalize on cloud computing, adoption of cloud-based ERP system is continually increasing. This is especially the case for companies whose supply chains, production centers and markets are in diverse geographic regions. Olympus relies on a widely distributed operating model which is shown in Figure 3. This graphic illustrates how diverse their enterprise systems are, and how they are using NetSuite, a cloud-based ERP system to unify these diverse global systems together.

Figure 3: Olympus and their SaaS ERP Implementation -- Unifying Many Cloud-based Global Subsidiaries on a Common Platform

Source: Analysis of filings and presentations by Olympus senior management on ERP initiatives: Olympus Investor Relations, 2012

Olympus chose to implement a SaaS-based ERP system as the operating costs were significantly lower compared to using a series of SAP-based on-premise ERP systems alone. The decision to standardized on NetSuite and eventually consolidate the SAP-based ERP systems saved Olympus millions of dollars a year in maintenance charges and led to greater production efficiencies as information was shared in real-time. One of the major benefits of relying on a cloud-based ERP system was also the ability to trim back the incremental dollars being spent on additional models as Olympus continued to expand over time. This helped to also streamline the reporting systems lag times, which on SAP ERP systems, was batch-mode and often took two to three weeks to get a full activity or costing report. Using a cloud-based reporting platform Olympus was able to create real-time reporting based on analytics applications that linked back to production centers in Asia and report sales results in the Untied States all within the same timer period with no information latency. The result was that Olympus was able to be much more competitive and over time deliver products on or before schedule to their many resellers and channel partners globally. They were also able to significantly improve overall new product introduction performance as well. All of these…