This chapter is focused on presenting the different aspects of wireless virtualization such that the readers can acquire a better understanding of the context in which it is applied. In this form of virtualization all hardware and software in the virtual network appear as a single collection. Network virtualization inspired by the success of virtualization in the area of computing 1, 7, 1922, virtualization has become an important research topic in communication networks. In contrast to the geni initiative 16, our goal is not to provide an experimental infrastructure but to see which players are necessary to offer virtual network based services to everyone. No, there are a bunch of unprivileged instructions that can read from processor state registers, or can impact physicaltovirtual memory.
Virtual network migration on the geni widearea sdnenabled. A network virtualization layer rob sherwood, glen gibb y, kokkiong yap, guido appenzeller y, martin casado, nick mckeown, guru parulkary deutsche telekom inc. The goal of network virtualization is to provide systems and users with efficient, controlled, and secure sharing of the networking resources. Network virtualization has long been a goal of of the network research community. We found that the geni infrastructure provides unique capabilities for student training, and combining it with lab exercises that use public clouds such as amazon web services can provide an overall rich set of handson learning. Scalable network virtualization in software defined networks. Overview of network virtualization using virtual networks. Historical perspective virtual lan vlan virtual service network vsn. Opens the door for network virtualization economics inheritance of architectural attributes promotes valueaddition revisitation of virtual nodes simplifies network operation and management wednesday, may 14, 2008 9 university of waterloo envy hierarchy of roles service provider 0 infrastructure provider 0 infrastructure provider 1. Enablinginnovationthrough networkvirtualization ericboyd,internet2. Overview of geni geni, the global environment for network innovations, is a. We identify four main playersroles, namely the physical infrastructure providers pips, virtual network providers vnps, virtual network. Desktop virtualization a desktop system with multiple operating systems example. Network virtualization is designed to allow network optimization of data transfer rates, flexibility, scalability, reliability and security.
Geni requirements multiple simultaneous experiments, isolated or interconnected virtualization generality. Wireless platforms flexible wireless networking platforms to be designed for geni enduserclient devices including laptops, mobile handsets and sensors internal network devices including radio access point, wireless router and sensor gateway. The global environment for network innovations geni 2 researchers as part of spiral 1 participation, awards were made to 29 academicindustrial teams for various projects to build, integrate, and operate early prototypes of the geni virtual laboratory. Network virtualization is the process of combining hardware network resources and software network resources into a single administrative unit. But testing application performance in your lab doesnt tell you what users will experience when you deploy the app over the production network. Network virtualization refers to the management and monitoring of an entire computer network as a single administrative entity from a single softwarebased administrators console. Network virtualization also may include storage virtualization, which involves managing all storage as a single resource. Introduction pervasive virtualization at the edge and in the network. Geni laboratory exercises for a cloud computing course. Network virtualization is a networking environment that allows multiple service providers to dynamically compose multiple heterogeneous virtual networks that coexist together in isolation from each other, and to deploy customized endtoend services onthefly as well as manage them on those virtual networks for. Geni wired networks virtualization where supported by radio platform e. Assistant professor, department of computer science nsf workshop on geni in education, october 26th 20. Applications need the flexibility to move across data centers. We propose to undertake a development effort to allow futuregrid resources and capabilities to be leveraged using geni federation mechanisms as well as orca topology embedding and network virtualization.
Federate a network, equipment or software with geni infrastructure become a partner learn more for additional information, please visit. Network virtualization node collaborating with nict in japan programmability onto openflow network infrastructure. Softwaredefined networking offers a standard interface between controller applications and switchforwarding tables, and is thus a natural platform for network virtualization. In computing, network virtualization or network virtualisation is the process of combining hardware and software network resources and network functionality into a single, softwarebased administrative entity, a virtual network. Network management and monitoring general terms management, measurement, experimentation keywords geni, testbed, virtualization, instrumentation 1. In a realworld genilike substrate, slicing would be used to isolate commercial network providers sharing the same physical substrate. Geni the global environment for network innovations geni is a suite of network research infrastructure now in its design and prototyping phase. Geni cloud federation slice exchange point accommodation. Virtualization virtualization typically refers to the creation of virtual machine that can virtualize all of the hardware resources, including processors, memory, storage, and network connectivity 7.
Virtual network migration on the geni widearea sdn. Initially, network virtualization was conceived to slice a given physical network infrastructure into multiple virtual networks, also. A virtual network vn is a collection of virtual nodes and virtual links. Network virtualization is a technology which enables combining computer network resources into a single platform appearing as a single network. Amd virtualization amdv technology was first announced in 2004 and added to amds pacifica 64bit x86 processor designs. As virtualization turns a hard resource into a soft one, most of the operations associated with its lifecycle are transformed from manual tasks to. Flowvisor architecture like the virtualization layer on a computer, flowvi. Network virtualization played an important role throughout the historical evolution of sdn, substantially predating sdn yet taking root as one of the. Network virtualization allows creation of logical network partitions with a programmable control plane so that users can use protocols, network topologies, and functions as per their requirements. In an environment using network virtualization, the virtual machine implements virtual network adapters on a system with a host network adapter. Ilia baldine, yufeng xin, anirban mandal, chris heermann renci, uncch jeff chase, varun marupadi, aydan yumerefendi department of computer science, duke university david irwin university of massachusetts, amherst i.
Aug 29, 20 this chapter is focused on presenting the different aspects of wireless virtualization such that the readers can acquire a better understanding of the context in which it is applied. We discuss network virtualization and its relationship to sdn in section 3. Data virtualization software gives the impression that data is integrated and stored in a database when in fact it is not. Network virtualization involves platform virtualization, often combined with resource virtualization network virtualization is categorized as either external. We propose to undertake a development effort to allow futuregrid resources and capabilities to be leveraged using geni federation mechanisms as well as orca topology embedding and. Similar to computer virtualization, flowvisor is a network virtualization layer that resides between the hardware and software architectural components.
Essentially, a virtual network is a subset of the underlying physical network resources a network environment supporting virtualization allows the coexistence of multiple virtual networks on the same physical substrate. Openroads, plugnserve, and openpipes are examples of virtual network controllers built on noxx6. Network function virtualization openflow based nat openflow based firewall switch. Network virtualization involves platform virtualization, often combined with resource virtualization. Geni laboratory exercises development for a cloud computing. Data virtualization flexible technology for the agile. Futuregrid and identity federation and network virtualization in exogeniorca. Network virtualization gives each tenant in a data center its own network topology and control over its traffic flow. Paravirtualized network paravirtualized console bootup and memory allocation still happens under bt. Each aggregate contributes resources to the geni user community, but maintains its. By 2006, amds athlon 64 x2 and athlon 64 fx processors appeared with amdv. Product highlights micro focus network virtualization software.
It can be divided into storage device based storage virtualization eg raid and network based storage virtualization eg nas, san. It is sponsored by the national science foundation to support experimental research in network science and engineering netse. Highprecision network measurement system network platform for flexiblyprogrammable advanced service composition toyblock networking another nw virt. In a realworld geni like substrate, slicing would be used to isolate commercial network providers sharing the same physical substrate. Network virtualization environment allows the creation of multiple virtual networks on same substrate. Pointers to other network resources and tools provided by geni can be found in section 5. The global environment for network innovations geni.
Softwaredefined networking offers a standard interface between controller. Assistant professor, department of computer science nsf workshop. Provide an abstract logical view of physical storage device, so the user can access the integrated storage resources through unified logical interface of this view. Network virtualization and data center networks 263382500 sdn network virtualization qin yin fall semester 20 1 network virtualization history. Network security needs to move faster than cybercriminals do. Survey on network virtualization hypervisors for software. An introduction to software defined networking and openflow. Networkbased virtualization yields greater availability because the uptime no longer depends on an individual physical component. Data virtualization flexible technology for the agile enterprise by mike ferguson intelligent business strategies white paper february 2014 intelligent business. It can be divided into storage device based storage virtualizationeg raid and network based storage virtualizationeg nas, san. Key features of network virtualization some of the key features of network virtualization are given below. Network virtualization implemented through flowspace firewall hypervisor august 2014.
Mac os x and windows at the same time parallels desktop for mac hypervisor type 1 similar to server virtualization useful for testing software on multiple os reduced hardware cost this is local desktop virtualization hypervisor type 1. Technologies, perspectives, and frontiers article pdf available in journal of lightwave technology 314. So your mobile and web apps have to work rightand perform well. University of waterloo envy wednesday, may 14, 2008 14 network virtualization is a networking environment that allows multiple service providers to dynamically compose multiple heterogeneous virtual networks that coexist together in isolation. Geni laboratory exercises for a cloud computing course prasad calyam, ph. Network virtualization your business depends on your applications. This can be an application using openflow technologies.
936 774 1053 457 1028 1138 945 98 92 363 1504 505 582 464 945 640 674 1555 405 1002 1228 1383 1079 260 1556 706 459 1289 1080 1 90 1294 400 1065 310 1282 561 129 356 1494 539 1031 867 1244 905