Virtualization

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Synopsis: Ict: Computer: Computer simulation: Virtual reality: Virtualization:

%The consolidation or extreme virtualization of equipment makes it possible to â€oedo more with lessâ€,

pooling and outsourcing 14 The Innovation Biosphere of resources, development of outpatient medicine and telemedicine, rapid growth in secure storage needs, secure data processing and sharing, patient modeling and virtualization, personalized

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•Cloud computing as a virtualisation infrastructure that offers unique opportunities to reduce the costs of

•Cloud computing as a virtualisation infrastructure that offers unique opportunities to reduce the costs of

-tions with the real world through sensor/actuator networks, network virtualization and cloud computing, enhanced privacy and security features and advanced multimedia

•Higher degree of virtualisation for all systems: applications, services, networks storage, content, resources and smart objects

-tectural co-existence of new and legacy services and networks, via virtualisation of connectivity and computation resources and self management capabilities, by fully

of new and legacy services and networks, via virtualisation of connectivity and computation resources and self management capabilities, by fully integrating

In-Network Clouds, Virtualisation of Resources, Self management Service plane, Orchestration plane and Knowledge plane 1 Introduction

-vices and networks, via virtualisation of resources and self management capabilities by fully integrating networking 4, 8, 10,15 with cloud computing 6, 7, 9 in order

-Network virtualisation provides flexibility, promotes diversity, and promises security and increased manageability We define In-Network clouds as an integral part of the differentiated Future Inter

2. 3 Virtualisation Plane Overview Virtualisation hides the physical characteristics 14,16 of the computing and net

-working resources being used, from its applications and users. This paper uses system virtualisation to provide virtual services and resources.

System virtualisation separates an operating system from its underlying hardware resources; resource virtualisation abstracts physical resources into manageable units of functionality.

For example, a single physical resource can appear as multiple virtual resources (e g.,, the concept of

a virtual router, where a single physical router can support multiple independent rout -ing processes by assigning different internal resources to each routing process;

Virtualisation enables optimisation of resource utilisation. However, this optimisation is confined to inflexible configurations within a single administrative

This paper extends contemporary virtualisation approaches and aims at build -ing an infrastructure in which virtual machines can be relocated dynamically to any

The virtualisation plane consists of software mechanisms to abstract physical re -sources into appropriate sets of virtual resources that can be organised by the Orches

the vspi and the vcpi (Virtualisation System Programming interface and Virtualisa -tion Component Programming interface, respectively. A set of control loops is

Fig. 2. Virtualisation Control Loop Virtualisation System Programmability Interface (vspi. The vspi is used to enable the Orchestration Plane

(and implicitly the AMS and DOC that are part of a given Orchestration Plane) to govern virtual resources,

Virtualisation Component Programming interface (vcpi. Each physical resource has associated an and distinct vcpi. The vcpi is fulfilling two main functions:

physical resource by the vcpi of the Virtualisation Plane. The AMS sends abstract i e.,, device-independent) commands via the vcpi,

information retrieval is handled by the Virtualisation Plane The reader collects the raw measurement data from all of the sensors of a CCP

add powerful and flexible monitoring facilities to system clouds (virtualisation of networks and services. Lattice has a minimal runtime footprint

and service resources provided by an virtualisation environment. We have described also the management architectural and system model

Virtualisation Plane (VP), Management Plane (MP), Knowledge Plane (KP), Service Plane (SP) and Orchestration Plane

and relevant analysis on network virtualisation and service deployments were carried out on a large-scale testbed

A vital component of such a virtualisation approach is a common management and monitoring interface of virtualised resources.

Using System Virtualization to Create Virtualized Net -works. Electronic communications of the EASST 17, 1†12 (2009

-ships between Network Virtualisation and Federation 16 21 22 23 and the rela -tionship between Service virtualisation (service clouds) and federation 17 are the

support of a new world of solutions defining the Future Internet Next generation networks and services 3 4 24 can not be conceived without

Future Internet architecture, Cognitive networks, Virtualization, In -teroperation 1 Introduction Already in 2005, there was the feeling that the architecture and protocols of the Inter

-sources, computing resources, device characteristics) via virtualization and data min -ing functionalities; the metadata produced in this way are then input of intelligent

the Semantic Virtualization Enablers and the Cognitive Enablers. The Cognitive Enablers represent the core of the Cognitive

Semantic Virtualization Enablers The Semantic Virtualization Enablers are in charge of virtualizing the heterogene -ous Actors, Resources and Applications by describing them by means of properly

selected, dynamic, homogeneous, context-aware and semantic aggregated metadata The Cognitive Enablers consist of a set of modular, technology-independent, interop

-tic Virtualization Enablers, take consistent control and management decisions concern -ing the best way to exploit

-dled by the Semantic Virtualization Enablers, in order to be actuated involving the proper Resources, Applications and Actors

Semantic Virtualization Enablers Cognitive Enablers Identity, Privacy Confidentiality Preferences, Profiling, Context Multimedia Content Analysis and Delivery

-tionalities are embedded in the Semantic Virtualization Enablers, while the Elabora -tion functionalities are embedded in the Cognitive Enablers.

their virtualization, obtained thanks to the introduction of Semantic Virtualization En -ablers. At the same time, the Cognitive Enablers,

One important development in telecoms is virtualisation. Although the basic idea is longstanding, it has recently come to much greater practical importance with the rise

Virtualisation is not suitable for all types of software, for instance new transport layer functionality, such as MPTCP and CONEX, needs to be on the actual devices

Virtualisation should similarly lower the cost of distribution †in other words, it eases deployment Another aspect is the interaction of a new protocol with existing protocols.

-strates the practical usefulness of federation and virtualisation in heterogeneous testbeds These multipath routing slice experiments were performed over multiple federated

In such an environment federation and virtualization of resources are key features that should be supported in a future Internet.

Network Virtualization (NV) techniques 5, 17 allow the establishment of such separate slices on top of a joint physical infrastructure (substrate.

known as Transport Virtualization (TV) 23,24. These concepts have roots in the work on active networks, where the control plane of a router enabled applica

-passe through virtualization. IEEE Computer, 34†41 (April 2005 6. Anerousis, N.,Hjlmtysson, G.:Service level routing on the Internet.

Network virtualization: Breaking the performance barrier. ACM Queue,(Jan./Feb. 2008 18. Santos, T.,Henke, C.,Schmoll, C.,Zseby.

Virtualization. In: Proc. of the 16. Kivs 2009, Kassel, Germany (Mar. 2009 24. Zinner, T.,Tutschku, K.,Nakao, A.,Tran-Gia, P.:

Transmission for Transport Virtualization: Analyzing Path Selection. In: Proceed -ings of the 22nd International Teletraï c Congress (ITC), Amsterdam, Netherlands

providing a natural complement to the virtualization of resources -by setting up and tearing down composed services, based on negotiated SLAS.

-ment, virtualization of systems and network resources, advanced and cognitive net -working of information objects), have to â€oere-define†the overall FI network architec

Future Internet, Virtualization, Dynamic Provisioning, Vir -tual Infrastructures, Convergence, Iaas, Optical Network, Cloud 1 Introduction

-sioning and the virtualization paradigm with dynamic network provisioning as a way towards such a sustainable future Internet.

-virtualization layer, the enhanced control plane, that corresponds to the network management layer, and the service middleware layer.

Central to this novel architecture is the infrastructure virtualization layer which abstracts, partitions and interconnects infrastructure resources

-acting with the virtualization layer 3. Finally, a service middleware layer is introduced to fully decouple the

-virtualization layer is implemented as the Logical Infrastructure Composition Layer (LICL) and the enhanced control plane as the NCP+.

the infrastructure-virtualization layer, in order to trigger the procedures for the Virtual Infrastructure†s dynamic replanning on the network side, besides the IT

A Novel Architecture for Virtualization and Co-Provisioning of Dynamic Optical Networks and IT Services.

We assume a virtualisation-enabled data centre style configura -tion of server capacity, and a broad range of services in terms of relative priority

Management and Virtualisation planes), presented in 3, to better monitor the networks, as the semantic information can directly be handled by the Net

the Session Broker and the Virtualisation Broker. There are many others but these are essentials. As the communication between the Autoi modules is done

Based on virtualization, the network can offer enhanced transport and adaptation-capable services This chapter will introduce

The virtualisation as a powerful tool to overcome the Internet ossification by creating overlays is discussed in 10-11.

radical approach can also be envisaged towards full virtualization (i e. independent management and control per VCAN

Overcoming the Internet Impasse through Virtualization. Com -puter 38 (4), 34†41 (2005 11. Chowdhury, N m.,Boutaba, R.:

Network Virtualization: State of the art and Research Challenges. IEEE Communications Magazine 47 (7), 20†26 (2009 12.

will be developed to leverage virtualization, which helps to migrate virtual infrastruc -ture resources from one site to another based on power availability.

a convergence of server and network virtualizations as virtual infrastructure manage -ment. The GSN as a network architecture is built with multiple layers, resulting in a

converges server and network virtualizations. Whilst most of cloud management solu -tions in the market focus particularly on computing resources, Iaas Framework compo

GSN takes advantage of the virtualization to link virtual resources together to span multiple cloud and substrate types.

Virtualization techniques are shown to be the most appropriate solution to manage such a network and to migrate data cen

5. 5. 3 Virtualization Strategy...103 5. 5. 4 Bring Your Own Device BYOD Strategy...

multilevel virtualization and abstraction by integrating many IT resources. The key features of cloud computing can be summarized in the following list 1

Virtualization can be important for cloud com -puting by enabling virtual machine migration to balance the load throughout the

4. Virtualization issues Virtualization is very important in the cloud computing to achieve its goal of

sharing resources. This can be accomplished by using hypervisor, which also called Virtual machine Monitor (VMM. It is a platform that allows multiple OS

Virtualization of enterprise servers introduces considerable security concerns. Associating multiple servers with one host removes the physical separation between servers,

application virtualization. Indeed, they are basically an on-demand service dis -tribution, which kept applications on corporate servers with only core parts or a

Finally, Mobile device Virtualization solutions are a kind of hardware virtu -alization, allowing, e g.,, the use of two or more operating systems on the same

virtualization •The device can be used safely even for personal purposes without being subject to corporate policies

•using virtualization to reduce application deployment costs by reducing testing efforts and decreasing the time that is needed to deploy apps

which is desktop virtualization that separates the desktop environment and associated application software from the

5. 5. 3 Virtualization Strategy This strategy enables enterprises to quickly achieve business benefits gained from

using virtualization technologies that include desktop virtualization and applica -tion streaming, and finally, delivering the required applications to privately owned

-based virtualization for application streaming and user state virtualization for a great cross-device experience 16.

Companies that provide desktop virtualization solutions include information technology giants. One example of these companies is Cisco,

which provides Desktop Virtualization with collaboration with Citrix Xendesktop solution and desktop virtualization with cooperation with VMWARE

View solution. Another example of those information technology pioneers is Dell which provided Virtual desktop infrastructure (VDI) solution that provides new

Remote apps Apps virtualization Apps virtualization VDI Roaming environment Roaming environment Data synchronization Data synchronization

5. 5. 3 Virtualization Strategy 5. 5. 4 Bring Your Own Device BYOD Strategy 5. 6†Enterprise Drivers Behind the Consumerization of IT

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