University of Almeria

Displaying 1-38 of 38 results

  • White Papers // Aug 2013

    Black Holes Vs. Firewalls and Thermo-field Dynamics

    In this paper, the authors examine the implications of the ongoing black holes vs. firewalls debate for the thermo-field dynamics of black holes by analyzing a CFT in a thermal state in the context of AdS/CFT. They argue that the thermo-field doubled copy of the thermal CFT should be thought...

    Provided By University of Almeria

  • White Papers // Apr 2013

    On the Formulation of Performant SPARQL Queries

    The combination of the flexibility of RDF and the expressiveness of SPARQL provides a powerful mechanism to model, integrate and query data. However, these properties also mean that it is nontrivial to write performant SPARQL queries. Indeed, it is quite easy to create queries that tax even the most optimized...

    Provided By University of Almeria

  • White Papers // Feb 2013

    Defending Against DNS Reflection Amplification Attacks

    In this paper, the authors find out if the proposed mechanisms to defend against a DNS amplification attack are effective. The decision is made to focus on Response Rate Limiting (RRL) and determine the effectiveness of this mechanism against current and future attacks. In order to determine the effectiveness of...

    Provided By University of Almeria

  • White Papers // Feb 2013

    MGSim - Simulation Tools for Multi-Core Processor Architectures

    MGSim is an open source discrete event simulator for on-chip hardware components, developed at the University of Amsterdam. It is intended to be a research and teaching vehicle to study the fine-grained hardware/software interactions on many-core and hardware multithreaded processors. It includes support for core models with different instruction sets,...

    Provided By University of Almeria

  • White Papers // Jan 2013

    Intercloud Architecture Framework for Heterogeneous Cloud Based Infrastructure Services Provisioning On-Demand

    Clouds are widely used by both industry and research community; clouds provide an affordable access to powerful computing facilities for open public. This paper presents on-going research to develop the Inter-Cloud Architecture Framework (ICAF) that addresses problems in multi-provider multi-domain heterogeneous cloud based infrastructure services and applications integration and interoperability,...

    Provided By University of Almeria

  • White Papers // Jan 2013

    Brief Historical Perspective for Virtual Organizations

    Emergence of the virtual enterprise/virtual organization paradigm falls within the natural sequence of the restructuring processes in traditional industrial paradigms that is enabled by advances in information and communication technologies. In parallel with the outsourcing tendency, another transformation observed in large companies is their reorganization as a \"Federation\" of relatively...

    Provided By University of Almeria

  • White Papers // Dec 2012

    A Framework for Automated Service Composition in Collaborative Networks

    This paper proposes a novel framework for automated software service composition that can significantly support and enhance collaboration among enterprises in service provision industry, such as in tourism insurance and e-commerce Collaborative Networks (CNs). Sharing/integration of software services in CNs, as well as interoperation among implemented software services in this...

    Provided By University of Almeria

  • White Papers // Nov 2012

    Building the Network Infrastructure for the International Mathematics Olympiad

    In this paper, the authors describe the network infrastructure they designed, built and operated for the International Mathematics Olympiad in the Netherlands in 2011. The infrastructure was pragmatically designed around OpenVPN tunnels in a star topology between the various venues. VLANs were extensively used to separate functional groups and networks....

    Provided By University of Almeria

  • White Papers // Oct 2012

    Big Data Challenges for e-Science Infrastructure

    In this paper, the authors discuss the challenges that are imposed by the Big Data Science on the modern and future Scientific Data Infrastructure (SDI). The paper refers to different scientific communities to define requirements on data management, access control and security. The paper introduces the Scientific Data Lifecycle Management...

    Provided By University of Almeria

  • White Papers // Oct 2012

    Addressing Big Data Challenges for Scientific Data Infrastructure

    This paper discusses the challenges that are imposed by Big Data Science on the modern and future Scientific Data Infrastructure (SDI). The paper refers to different scientific communities to define requirements on data management, access control and security. The paper introduces the Scientific Data Lifecycle Management (SDLM) model that includes...

    Provided By University of Almeria

  • White Papers // Oct 2012

    Intercloud Architecture for Interoperability and Integration

    In this paper, the authors present on-going research to develop the InterCloud Architecture Framework (ICAF) that addresses problems in multi-provider multi-domain heterogeneous cloud based infrastructure services and applications integration and interoperability. The paper refers to existing standards in Cloud Computing, in particular, recently published NIST Cloud Computing Reference Architecture (CCRA)....

    Provided By University of Almeria

  • White Papers // Sep 2012

    From Functions to Object-Orientation by Abstraction

    In previous paper, the authors developed a framework of computational models for functions and object execution. The models on a higher level of abstraction in this framework allow for concurrent execution of functions and objects. They show that the computational model for object execution complies with the fundamentals of object-orientation....

    Provided By University of Almeria

  • White Papers // Aug 2012

    Online Tracking: Questioning the Power of Informed Consent

    The paper aims to report the main findings of a paper for the Dutch Regulatory authority for the telecommunications sector OPTA to explore how the new European ''Cookie rules'' in the e-privacy directive impact on behavioral advertising practices via the storing and reading of cookies. The paper identifies the main...

    Provided By University of Almeria

  • White Papers // Aug 2012

    Toward a Dynamic Trust Establishment Approach for Multi-Provider Intercloud Environment

    In Cloud computing, the data are not only managed by the data owner but also by Cloud providers. Sophisticated Clouds collaboration scenarios require that these data objects can be accessed distributively among Cloud providers, while still being under the control of data owners. It brings security challenges for distributed authorization...

    Provided By University of Almeria

  • White Papers // May 2012

    Defining Inter-Cloud Architecture for Interoperability and Integration

    This paper presents an on-going research to develop the Inter-Cloud Architecture, which addresses the architectural problems in multi-provider multi-domain heterogeneous cloud based applications integration and interoperability, including integration and interoperability with legacy infrastructure services. Cloud technologies are evolving into a common way to virtualize infrastructure services and to offer on-demand...

    Provided By University of Almeria

  • White Papers // Mar 2012

    Distributed S-Net: Cluster and Grid Computing without the Hassle

    S-NET is a declarative coordination language and component technology primarily aimed at modern multi-core/ many-core chip architectures. It builds on the concept of stream processing to structure dynamically evolving networks of communicating asynchronous components. Components themselves are implemented using a conventional language suitable for the application domain. The authors present...

    Provided By University of Almeria

  • White Papers // Oct 2011

    Collaborative Networks in Support of Service-Enhanced Products

    The development and support of highly customized and service-enhanced products requires new organizational structures, involving the manufacturers, customers and local suppliers in a process of co-creation. This requires the implementation of the glocal enterprise notion with value creation from global networked operations and involving global supply chain management, product-service linkage,...

    Provided By University of Almeria

  • White Papers // May 2011

    Position-Based Quantum Cryptography: Impossibility and Constructions

    The aim of position-based cryptography is to use the geographical position of a party as its only credential. In this paper, the authors study position-based cryptography in the quantum setting. They show that if collaborating adversaries are allowed to pre-share an arbitrarily large entangled quantum state, then position-verification, and as...

    Provided By University of Almeria

  • White Papers // May 2011

    Energy Efficiency Considerations in Integrated IT and Optical Network Resilient Infrastructures

    The European Integrated Project GEYSERS - GEneralised Architecture for DYnamic Infrastructure SERvices - is concentrating on infrastructures incorporating integrated optical network and IT resources in support of the Future Internet with special emphasis on cloud computing. More specifically GEYSERS proposes the concept of Virtual Infrastructures over one or more interconnected...

    Provided By University of Almeria

  • White Papers // Apr 2011

    Extending and Implementing the Self-Adaptive Virtual Processor for Distributed Memory Architectures

    Many-core architectures of the future are likely to have distributed memory organizations and need fine grained concurrency management to be used effectively. The Self-adaptive Virtual Processor (SVP) is an abstract concurrent programming model which can provide this, but the model and its current implementations assume a single address space shared...

    Provided By University of Almeria

  • White Papers // Apr 2011

    Entrepreneurship and Role Models

    In the media role models are increasingly being acknowledged as an influential factor in explaining the reasons for the choice of occupation and career. Various conceptual studies have proposed links between role models and entrepreneurial intentions. However, empirical research aimed at establishing the importance of role models for (nascent) entrepreneurs...

    Provided By University of Almeria

  • White Papers // Mar 2011

    On-Demand Provisioning of Cloud and Grid Based Infrastructure Services for Collaborative Projects and Groups

    Effective use of existing network and IT infrastructure can be achieved by providing combined network and IT resources on-demand as infrastructure services that are capable of supporting complex technological processes, scientific experiments, and collaborative groups of researchers and applications. This paper provides a short overview of existing standards and technologies...

    Provided By University of Almeria

  • White Papers // Mar 2011

    Access Control Infrastructure for On-Demand Provisioned Virtualised Infrastructure Services

    Cloud technologies are emerging as a new way of provisioning virtualised computing and infrastructure services on-demand for collaborative projects and groups. Security in provisioning virtual infrastructure services should address two general aspects: supporting secure operation of the provisioning infrastructure, and provisioning a dynamic access control infrastructure as part of the...

    Provided By University of Almeria

  • White Papers // Feb 2011

    Defining Generic Architecture for Cloud Iaas Provisioning Model

    Infrastructure as a Service (IaaS) is one of the provisioning models for Clouds as defined in the NIST Clouds definition. Although widely used, current IaaS implementations and solutions doesn't have common and well defined architecture model. The paper attempts to define a generic architecture for IaaS based on current research...

    Provided By University of Almeria

  • White Papers // Oct 2010

    Security Services Lifecycle Management in On-Demand Infrastructure Services Provisioning

    Modern e-Science and high technology industry require high-performance and complicated network and computer infrastructure to support distributed collaborating groups of researchers and applications that should be provisioned on-demand. The effective use and management of the dynamically provisioned services can be achieved by using the Service Delivery Framework (SDF) proposed by...

    Provided By University of Almeria

  • White Papers // Aug 2010

    Extending AAA Operational Model for Profile-Based Access Control in Ethernet-Based Neutral Access Networks

    Neutral Access Networks (NAN) have appeared as a new model to overcome some restrictions and lack of flexibility that are present currently in broadband access networks. NAN brings new business opportunities by opening this market to new stakeholders. Although the NAN model is accepted, there are some technical issues that...

    Provided By University of Almeria

  • White Papers // Aug 2010

    The Two-Way Relationship Between Entrepreneurship and Economic Performance

    In this paper, the authors examine the two-way relationship between entrepreneurship and economic performance, using a harmonized data sets, while the relation between entrepreneurship and economic performance has been investigated extensively, most papers in this research field suffer from one or more methodological flaws, so that the important question: \"Does...

    Provided By University of Almeria

  • White Papers // Mar 2010

    Security Assessment of Web Based Distributed Applications

    In this paper, the authors present an overview about the evaluation of risks and vulnerabilities in a web based distributed application by emphasizing aspects concerning the process of security assessment with regards to the audit field. In the audit process, an important activity is dedicated to the measurement of the...

    Provided By University of Almeria

  • White Papers // Mar 2010

    International Business, Corporate Social Responsibility and Sustainable Development

    While attention to the social and environmental impacts of International Business (IB) is not new, the past years have seen renewed interest due to pressing global problems such as climate change and poverty. Multi-National Enterprises (MNEs) are regarded as playing a specific role given their global influence and activities in...

    Provided By University of Almeria

  • White Papers // Jan 2010

    GIS System as a Decision Support Tool for Agricultural Planning in Arid Zones of Spain

    The province of Almeria, located in eastern Andalusia, Spain, presents a great diversity and particularity. It contains one of a few European dessert areas. Water plays the most important role in both natural and economic resources in the province of Almeria. Characterized by typical Mediterranean climate, with high temperatures, very...

    Provided By University of Almeria

  • White Papers // Dec 2009

    Creative Commons and Related Rights in Sound Recordings: Are the Two Systems Compatible?

    Modern technologies have made the dissemination of creative works over the internet child's play, while technological advancements have changed the face of even traditional methods of circulation. A multitude of innovative media, formats and infrastructure provide users with new ways of accessing cultural products, something which is especially evident in...

    Provided By University of Almeria

  • White Papers // Jul 2009

    Authorisation Infrastructure for On-Demand Grid and Network Resource Provisioning

    The paper presents the Authorisation (AuthZ) infrastructure for combined multi-domain on-demand Grid and network resource provisioning which the authors refer to as the Complex Resource Provisioning (CRP). The proposed CRP model provides a common abstraction of the resource provisioning process and is used as a basis for defining the major...

    Provided By University of Almeria

  • White Papers // May 2009

    XACML Policy Profile for Multidomain Network Resource Provisioning and Supporting Authorisation Infrastructure

    Policy definition is an important component of the consistent authorisation service infrastructure that could be effectively integrated with the general resource provisioning workflow and network control and management plane. The paper describes the proposed XACML-NRP policy and attributes profile for Network Resource Provisioning. In addition to specifying a set of...

    Provided By University of Almeria

  • White Papers // Mar 2009

    Authorisation Session Management in On-Demand Resource Provisioning in Collaborative Applications

    Effective use of the resources in modern collaborative environment suggests their sharing between collaborating organisations and user groups and on-demand provisioning for the specific tasks and projects that may involve distributed resources and users from different administrative and security domains. The proposed in earlier authors' work the general Complex Resource...

    Provided By University of Almeria

  • White Papers // Jan 2009

    Dynamic Security Context Management in Grid-Based Applications

    This paper summarizes ongoing research and recent results on the development of flexible access control infrastructure for complex resource provisioning in Grid-based collaborative applications and on-demand network services provisioning. The paper analyses the general access control model for Grid based applications and discusses what mechanisms can be used for expressing...

    Provided By University of Almeria

  • White Papers // Oct 2008

    Re-Thinking Grid Security Architecture

    The security models used in Grid systems today strongly bear the marks of their diverse origin. Historically retrofitted to the distributed systems they are designed to protect and control, the security model is usually limited in scope and applicability, and its implementation tailored towards a few specific deployment scenarios. A...

    Provided By University of Almeria

  • White Papers // Oct 2008

    Extending XACML Authorisation Model to Support Policy Obligations Handling in Distributed Application

    The paper summarizes the recent developments and discussions in the Grid and networking security community to build interoperable and scalable authorisation infrastructure for distributed applications. The paper provides a short overview of the XACML policy format and policy obligations definition in the XACML specification. The paper analyses the basic use...

    Provided By University of Almeria

  • White Papers // Sep 2008

    Authorisation Infrastructure for On-Demand Network Resource Provisioning

    High performance Grid applications require high speed network infrastructure that should be capable to provide network connectivity service on-demand. This paper presents results of the development of the AuthoriZation (AuthZ) infrastructure for on-demand multi-domain Network Resource Provisioning (NRP). The authors propose a general Complex Resource Provisioning (CRP) model that can...

    Provided By University of Almeria

  • White Papers // Nov 2012

    Building the Network Infrastructure for the International Mathematics Olympiad

    In this paper, the authors describe the network infrastructure they designed, built and operated for the International Mathematics Olympiad in the Netherlands in 2011. The infrastructure was pragmatically designed around OpenVPN tunnels in a star topology between the various venues. VLANs were extensively used to separate functional groups and networks....

    Provided By University of Almeria

  • White Papers // May 2011

    Energy Efficiency Considerations in Integrated IT and Optical Network Resilient Infrastructures

    The European Integrated Project GEYSERS - GEneralised Architecture for DYnamic Infrastructure SERvices - is concentrating on infrastructures incorporating integrated optical network and IT resources in support of the Future Internet with special emphasis on cloud computing. More specifically GEYSERS proposes the concept of Virtual Infrastructures over one or more interconnected...

    Provided By University of Almeria

  • White Papers // Mar 2012

    Distributed S-Net: Cluster and Grid Computing without the Hassle

    S-NET is a declarative coordination language and component technology primarily aimed at modern multi-core/ many-core chip architectures. It builds on the concept of stream processing to structure dynamically evolving networks of communicating asynchronous components. Components themselves are implemented using a conventional language suitable for the application domain. The authors present...

    Provided By University of Almeria

  • White Papers // Oct 2012

    Big Data Challenges for e-Science Infrastructure

    In this paper, the authors discuss the challenges that are imposed by the Big Data Science on the modern and future Scientific Data Infrastructure (SDI). The paper refers to different scientific communities to define requirements on data management, access control and security. The paper introduces the Scientific Data Lifecycle Management...

    Provided By University of Almeria

  • White Papers // Aug 2013

    Black Holes Vs. Firewalls and Thermo-field Dynamics

    In this paper, the authors examine the implications of the ongoing black holes vs. firewalls debate for the thermo-field dynamics of black holes by analyzing a CFT in a thermal state in the context of AdS/CFT. They argue that the thermo-field doubled copy of the thermal CFT should be thought...

    Provided By University of Almeria

  • White Papers // Feb 2013

    Defending Against DNS Reflection Amplification Attacks

    In this paper, the authors find out if the proposed mechanisms to defend against a DNS amplification attack are effective. The decision is made to focus on Response Rate Limiting (RRL) and determine the effectiveness of this mechanism against current and future attacks. In order to determine the effectiveness of...

    Provided By University of Almeria

  • White Papers // Jan 2013

    Intercloud Architecture Framework for Heterogeneous Cloud Based Infrastructure Services Provisioning On-Demand

    Clouds are widely used by both industry and research community; clouds provide an affordable access to powerful computing facilities for open public. This paper presents on-going research to develop the Inter-Cloud Architecture Framework (ICAF) that addresses problems in multi-provider multi-domain heterogeneous cloud based infrastructure services and applications integration and interoperability,...

    Provided By University of Almeria

  • White Papers // May 2011

    Position-Based Quantum Cryptography: Impossibility and Constructions

    The aim of position-based cryptography is to use the geographical position of a party as its only credential. In this paper, the authors study position-based cryptography in the quantum setting. They show that if collaborating adversaries are allowed to pre-share an arbitrarily large entangled quantum state, then position-verification, and as...

    Provided By University of Almeria

  • White Papers // Apr 2013

    On the Formulation of Performant SPARQL Queries

    The combination of the flexibility of RDF and the expressiveness of SPARQL provides a powerful mechanism to model, integrate and query data. However, these properties also mean that it is nontrivial to write performant SPARQL queries. Indeed, it is quite easy to create queries that tax even the most optimized...

    Provided By University of Almeria

  • White Papers // Feb 2013

    MGSim - Simulation Tools for Multi-Core Processor Architectures

    MGSim is an open source discrete event simulator for on-chip hardware components, developed at the University of Amsterdam. It is intended to be a research and teaching vehicle to study the fine-grained hardware/software interactions on many-core and hardware multithreaded processors. It includes support for core models with different instruction sets,...

    Provided By University of Almeria

  • White Papers // Apr 2011

    Extending and Implementing the Self-Adaptive Virtual Processor for Distributed Memory Architectures

    Many-core architectures of the future are likely to have distributed memory organizations and need fine grained concurrency management to be used effectively. The Self-adaptive Virtual Processor (SVP) is an abstract concurrent programming model which can provide this, but the model and its current implementations assume a single address space shared...

    Provided By University of Almeria

  • White Papers // Jan 2010

    GIS System as a Decision Support Tool for Agricultural Planning in Arid Zones of Spain

    The province of Almeria, located in eastern Andalusia, Spain, presents a great diversity and particularity. It contains one of a few European dessert areas. Water plays the most important role in both natural and economic resources in the province of Almeria. Characterized by typical Mediterranean climate, with high temperatures, very...

    Provided By University of Almeria

  • White Papers // Dec 2009

    Creative Commons and Related Rights in Sound Recordings: Are the Two Systems Compatible?

    Modern technologies have made the dissemination of creative works over the internet child's play, while technological advancements have changed the face of even traditional methods of circulation. A multitude of innovative media, formats and infrastructure provide users with new ways of accessing cultural products, something which is especially evident in...

    Provided By University of Almeria

  • White Papers // Jan 2013

    Brief Historical Perspective for Virtual Organizations

    Emergence of the virtual enterprise/virtual organization paradigm falls within the natural sequence of the restructuring processes in traditional industrial paradigms that is enabled by advances in information and communication technologies. In parallel with the outsourcing tendency, another transformation observed in large companies is their reorganization as a \"Federation\" of relatively...

    Provided By University of Almeria

  • White Papers // Oct 2011

    Collaborative Networks in Support of Service-Enhanced Products

    The development and support of highly customized and service-enhanced products requires new organizational structures, involving the manufacturers, customers and local suppliers in a process of co-creation. This requires the implementation of the glocal enterprise notion with value creation from global networked operations and involving global supply chain management, product-service linkage,...

    Provided By University of Almeria

  • White Papers // Dec 2012

    A Framework for Automated Service Composition in Collaborative Networks

    This paper proposes a novel framework for automated software service composition that can significantly support and enhance collaboration among enterprises in service provision industry, such as in tourism insurance and e-commerce Collaborative Networks (CNs). Sharing/integration of software services in CNs, as well as interoperation among implemented software services in this...

    Provided By University of Almeria

  • White Papers // Apr 2011

    Entrepreneurship and Role Models

    In the media role models are increasingly being acknowledged as an influential factor in explaining the reasons for the choice of occupation and career. Various conceptual studies have proposed links between role models and entrepreneurial intentions. However, empirical research aimed at establishing the importance of role models for (nascent) entrepreneurs...

    Provided By University of Almeria

  • White Papers // Aug 2010

    The Two-Way Relationship Between Entrepreneurship and Economic Performance

    In this paper, the authors examine the two-way relationship between entrepreneurship and economic performance, using a harmonized data sets, while the relation between entrepreneurship and economic performance has been investigated extensively, most papers in this research field suffer from one or more methodological flaws, so that the important question: \"Does...

    Provided By University of Almeria

  • White Papers // Mar 2010

    International Business, Corporate Social Responsibility and Sustainable Development

    While attention to the social and environmental impacts of International Business (IB) is not new, the past years have seen renewed interest due to pressing global problems such as climate change and poverty. Multi-National Enterprises (MNEs) are regarded as playing a specific role given their global influence and activities in...

    Provided By University of Almeria

  • White Papers // Mar 2010

    Security Assessment of Web Based Distributed Applications

    In this paper, the authors present an overview about the evaluation of risks and vulnerabilities in a web based distributed application by emphasizing aspects concerning the process of security assessment with regards to the audit field. In the audit process, an important activity is dedicated to the measurement of the...

    Provided By University of Almeria

  • White Papers // Oct 2012

    Addressing Big Data Challenges for Scientific Data Infrastructure

    This paper discusses the challenges that are imposed by Big Data Science on the modern and future Scientific Data Infrastructure (SDI). The paper refers to different scientific communities to define requirements on data management, access control and security. The paper introduces the Scientific Data Lifecycle Management (SDLM) model that includes...

    Provided By University of Almeria

  • White Papers // Oct 2012

    Intercloud Architecture for Interoperability and Integration

    In this paper, the authors present on-going research to develop the InterCloud Architecture Framework (ICAF) that addresses problems in multi-provider multi-domain heterogeneous cloud based infrastructure services and applications integration and interoperability. The paper refers to existing standards in Cloud Computing, in particular, recently published NIST Cloud Computing Reference Architecture (CCRA)....

    Provided By University of Almeria

  • White Papers // Aug 2012

    Toward a Dynamic Trust Establishment Approach for Multi-Provider Intercloud Environment

    In Cloud computing, the data are not only managed by the data owner but also by Cloud providers. Sophisticated Clouds collaboration scenarios require that these data objects can be accessed distributively among Cloud providers, while still being under the control of data owners. It brings security challenges for distributed authorization...

    Provided By University of Almeria

  • White Papers // Feb 2011

    Defining Generic Architecture for Cloud Iaas Provisioning Model

    Infrastructure as a Service (IaaS) is one of the provisioning models for Clouds as defined in the NIST Clouds definition. Although widely used, current IaaS implementations and solutions doesn't have common and well defined architecture model. The paper attempts to define a generic architecture for IaaS based on current research...

    Provided By University of Almeria

  • White Papers // Mar 2011

    On-Demand Provisioning of Cloud and Grid Based Infrastructure Services for Collaborative Projects and Groups

    Effective use of existing network and IT infrastructure can be achieved by providing combined network and IT resources on-demand as infrastructure services that are capable of supporting complex technological processes, scientific experiments, and collaborative groups of researchers and applications. This paper provides a short overview of existing standards and technologies...

    Provided By University of Almeria

  • White Papers // Mar 2011

    Access Control Infrastructure for On-Demand Provisioned Virtualised Infrastructure Services

    Cloud technologies are emerging as a new way of provisioning virtualised computing and infrastructure services on-demand for collaborative projects and groups. Security in provisioning virtual infrastructure services should address two general aspects: supporting secure operation of the provisioning infrastructure, and provisioning a dynamic access control infrastructure as part of the...

    Provided By University of Almeria

  • White Papers // May 2012

    Defining Inter-Cloud Architecture for Interoperability and Integration

    This paper presents an on-going research to develop the Inter-Cloud Architecture, which addresses the architectural problems in multi-provider multi-domain heterogeneous cloud based applications integration and interoperability, including integration and interoperability with legacy infrastructure services. Cloud technologies are evolving into a common way to virtualize infrastructure services and to offer on-demand...

    Provided By University of Almeria

  • White Papers // Sep 2012

    From Functions to Object-Orientation by Abstraction

    In previous paper, the authors developed a framework of computational models for functions and object execution. The models on a higher level of abstraction in this framework allow for concurrent execution of functions and objects. They show that the computational model for object execution complies with the fundamentals of object-orientation....

    Provided By University of Almeria

  • White Papers // Aug 2012

    Online Tracking: Questioning the Power of Informed Consent

    The paper aims to report the main findings of a paper for the Dutch Regulatory authority for the telecommunications sector OPTA to explore how the new European ''Cookie rules'' in the e-privacy directive impact on behavioral advertising practices via the storing and reading of cookies. The paper identifies the main...

    Provided By University of Almeria

  • White Papers // Jan 2009

    Dynamic Security Context Management in Grid-Based Applications

    This paper summarizes ongoing research and recent results on the development of flexible access control infrastructure for complex resource provisioning in Grid-based collaborative applications and on-demand network services provisioning. The paper analyses the general access control model for Grid based applications and discusses what mechanisms can be used for expressing...

    Provided By University of Almeria

  • White Papers // Sep 2008

    Authorisation Infrastructure for On-Demand Network Resource Provisioning

    High performance Grid applications require high speed network infrastructure that should be capable to provide network connectivity service on-demand. This paper presents results of the development of the AuthoriZation (AuthZ) infrastructure for on-demand multi-domain Network Resource Provisioning (NRP). The authors propose a general Complex Resource Provisioning (CRP) model that can...

    Provided By University of Almeria

  • White Papers // Oct 2008

    Extending XACML Authorisation Model to Support Policy Obligations Handling in Distributed Application

    The paper summarizes the recent developments and discussions in the Grid and networking security community to build interoperable and scalable authorisation infrastructure for distributed applications. The paper provides a short overview of the XACML policy format and policy obligations definition in the XACML specification. The paper analyses the basic use...

    Provided By University of Almeria

  • White Papers // Oct 2008

    Re-Thinking Grid Security Architecture

    The security models used in Grid systems today strongly bear the marks of their diverse origin. Historically retrofitted to the distributed systems they are designed to protect and control, the security model is usually limited in scope and applicability, and its implementation tailored towards a few specific deployment scenarios. A...

    Provided By University of Almeria

  • White Papers // Mar 2009

    Authorisation Session Management in On-Demand Resource Provisioning in Collaborative Applications

    Effective use of the resources in modern collaborative environment suggests their sharing between collaborating organisations and user groups and on-demand provisioning for the specific tasks and projects that may involve distributed resources and users from different administrative and security domains. The proposed in earlier authors' work the general Complex Resource...

    Provided By University of Almeria

  • White Papers // May 2009

    XACML Policy Profile for Multidomain Network Resource Provisioning and Supporting Authorisation Infrastructure

    Policy definition is an important component of the consistent authorisation service infrastructure that could be effectively integrated with the general resource provisioning workflow and network control and management plane. The paper describes the proposed XACML-NRP policy and attributes profile for Network Resource Provisioning. In addition to specifying a set of...

    Provided By University of Almeria

  • White Papers // Jul 2009

    Authorisation Infrastructure for On-Demand Grid and Network Resource Provisioning

    The paper presents the Authorisation (AuthZ) infrastructure for combined multi-domain on-demand Grid and network resource provisioning which the authors refer to as the Complex Resource Provisioning (CRP). The proposed CRP model provides a common abstraction of the resource provisioning process and is used as a basis for defining the major...

    Provided By University of Almeria

  • White Papers // Aug 2010

    Extending AAA Operational Model for Profile-Based Access Control in Ethernet-Based Neutral Access Networks

    Neutral Access Networks (NAN) have appeared as a new model to overcome some restrictions and lack of flexibility that are present currently in broadband access networks. NAN brings new business opportunities by opening this market to new stakeholders. Although the NAN model is accepted, there are some technical issues that...

    Provided By University of Almeria

  • White Papers // Oct 2010

    Security Services Lifecycle Management in On-Demand Infrastructure Services Provisioning

    Modern e-Science and high technology industry require high-performance and complicated network and computer infrastructure to support distributed collaborating groups of researchers and applications that should be provisioned on-demand. The effective use and management of the dynamically provisioned services can be achieved by using the Service Delivery Framework (SDF) proposed by...

    Provided By University of Almeria