Changes between Version 43 and Version 44 of ExperimenterPortal

03/11/11 17:20:04 (11 years ago)
Vic Thomas



  • ExperimenterPortal

    v43 v44  
    77  * Your experiment requires non-IP connectivity across resources.  Some GENI aggregates allow you to set up Layer 2 connections between resources within the aggregate.  Experimenters may install and run their own Layer 3 and above protocols on these resources.  It is also possible to setup Layer 2 connections between many GENI aggregates that connect to GENI backbone networks (Internet2 and NLR).  You can even set up your network to route through experimenter programmable switches in the GENI backbone.
    88  * Your experiment requires requires geographically distributed resources.  Some GENI aggregates include resources distributed around the world.
    1011== 2.0 An Experimenter's View of GENI ==
    2122You will also need to know about GENI ''slices''.  A slice holds a collection of computing and communications resources capable of running an experiment or a wide area service.  An experiment is a researcher-defined use of resources in a slice; an experiment runs in a slice.  A researcher may run multiple experiments using resources in a slice, concurrently or over time.
    2325== 3.0 GENI Aggregates ==
    225227  * The degree of control you need over your experiment.  Do you need to tightly control the resources (CPU, bandwidth, etc.) allocated to your experiment or will best-effort suffice.  If you need a tightly controlled environment you might want to consider the U. of Utah ProtoGENI aggregate that allocate entire PCs that can be connected in arbitrary topologies.
    226228  * The desired network topology.  Does your experiment have to be geographically distributed?  What kinds of connectivity do you need between these geographically distributed locations.  Almost all aggregates can connect using IP connectivity over the Internet.   Many aggregates connect to one of the GENI backbones and allow you to set up IP connections with other resources on the backbone.  This will give you a bit more control over the network.   Some aggregates provide Layer 2 connectivity over a GENI backbone i.e. you can set up vlans between these aggregates and other resources on the backbone network.  This allows you to run non-IP protocols across between the aggregate and other resources.
     229  * The desired control over network flows.  If you need to manage network traffic to/from an aggregate you might want to use aggregates that connect to a GENI backbone using OpenFlow switches.
    227230  * The number of resources you need from an aggregate.  Aggregates vary from small installations such as the GPO Lab ProtoGENI aggregate that consists of eleven nodes to the PlanetLab and ProtoGENI aggregates that consist of hundreds of nodes.
    229 To help you pick resources for your  experiment, the following table shows examples of GENI aggregates that provide computing resources and the type of connectivity to these resources:
    230      [[Image(ResourceTable.png, 40%)]]
    233233== 4.0 Experimenter Tools ==
    240240=== 4.2 Instrumentation and Measurement Tools ===
     241GENI instrumentation tools are currently aggregate specific.  Examples of such tools include [ Instrumentation Tools] for the Kentucky ProtoGENI aggregate, [ Owl] for the !PlanetLab aggregate and [ OMF/OML] for the ORBIT aggregate.
    242244== 5.0 Getting Access to GENI ==
    243245To use GENI for experimentation please contact [ Mark Berman].
    245248== 6.0 Tutorials ==