Software as a service

About: Software as a service is a research topic. Over the lifetime, 8514 publications have been published within this topic receiving 136177 citations. The topic is also known as: Service as a Software Substitute & SaaSS.

Identifying Key Challenges in Performance Issues in Cloud Computing

Abstract: Cloud computing is a harbinger to a newer era in the field of computing where distributed and centralized services are used in a unique way. In cloud computing, the computational resources of different vendors and IT services providers are managed for providing an enormous and a scalable computing services platform that offers efficient data processing coupled with better QoS at a lower cost. The on-demand dynamic and scalable resource allocation is the main motif behind the development and deployment of cloud computing. The potential growth in this area and the presence of some dominant organizations with abundant resources (like Google, Amazon, Salesforce, Rackspace, Azure, GoGrid), make the field of cloud computing more fascinating. All the cloud computing processes need to be in unanimity to dole out better QoS i.e., to provide better software functionality, meet the tenant's requirements for their desired processing power and to exploit elevated bandwidth.. However, several technical and functional e.g., pervasive access to resources, dynamic discovery, on the fly access and composition of resources pose serious challenges for cloud computing. In this study, the performance issues in cloud computing are discussed. A number of schemes pertaining to QoS issues are critically analyzed to point out their strengths and weaknesses. Some of the performance parameters at the three basic layers of the cloud — Infrastructure as a Service, Platform as a Service and Software as a Service — are also discussed in this paper.

Identity Federation Broker for Service Cloud

Abstract: As the wide adoption of in-cloud services (e.g., software-as-a-service), some major identity related issues are brought up. For enterprises, it usually introduces additional cost and risk to manage identities in services. For service providers, typical pairwise identity federation solutions are not scalable to support single sign-on, service composition, etc. among services for large environment like service cloud. This paper proposes an identity federation broker that introduces a trusted third party as a trust broker to simplify the management of identity federation in a user centric manner. With this solution, the cost and risk of federated identity management for both enterprises and service providers could be significantly reduced. A detailed scenario implementation is given to demonstrate the feasibility of the solution. Moreover, the vulnerability analysis shows how the solution can resist the typical security attacks.

Governance, Risk & Compliance (GRC) Software - An Exploratory Study of Software Vendor and Market Research Perspectives

Abstract: The integration of governance, risk, and compliance (GRC) activities has recently witnessed increased attention. Many organizations have deployed integrated GRC software. In this paper scientific research examines state-of-the-art GRC software for the first time in answering two questions: What is state-of-the-art GRC software according to the software industry, and how should scientific research deal with it? Through a survey among GRC software vendors and a comparison with existing GRC software frameworks from market research we derived eight findings. While software vendors share a common basis in their GRC understanding, they deliver diverse functionality. Market research frameworks have different scopes and they do not match the vendors' perceptions. The products' technology architectures mainly differ in their degree of integration, which is a key topic in future developments. Due to the lack of congruence, industry perspectives and existing stateof-the-art GRC software should only very cautiously be applied in research.

Systems and methods for software distribution and management

Abstract: A method and system for obtaining service from a management server is presented. A client sends a request for service to a management agent. The management agent forwards the request for service to a management server via Hypertext Transfer Protocol (HTTP). The management server sends service information via HTTP to the management agent. The management agent then forwards the service information to the client. As such, the client may obtain service even where network nodes, such as switches and routers, intervene between the client and the management server.

Infrastructure as a Service

Abstract: This chapter describes an important cloud service model called “Infrastructure as a Service” type (IaaS), that enables computing and storage resources to be delivered as a service. The chapter takes popular cloud platforms as case studies, describes their key features and programming APIs with examples. To provide an insight into the trade-offs that the developer can make to effectively use the system, the chapter also contains a high level description of the technology behind the platforms. A more detailed internal systems view of the technology challenges and possible approaches to solve them are detailed in Chapter 6 .