Sponsored by the National Science Foundation www.geni.net GENI Terminology.

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Presentation transcript:

Sponsored by the National Science Foundation GENI Terminology

Sponsored by the National Science Foundation slice project aggregate experimenter resource

Sponsored by the National Science Foundation An experimenter is a researcher who uses GENI resources Different types of experimenters have different roles and permissions: Advisor vs Grad Student Teacher vs TA vs Student Experimenter

Sponsored by the National Science Foundation Creating an Account GENI Portal is at:

Sponsored by the National Science Foundation GENI User Authentication For many experimenters: no new passwords familiar login screens The GENI Portal leverages InCommon for single sign-on authentication Students from 518 educational and research institutions have InCommon accounts GENI Project Office runs a federated IdP to provide accounts for non-federated organizations.

Sponsored by the National Science Foundation Projects organize research in GENI Project Lead Members Slice Projects contain both people and their experiments A project is led by a single responsible individual: the project lead

Sponsored by the National Science Foundation A slice is a container of resources used in an experiment. A slice can contain resources from one or more aggregates A slice is in a single project A slice has an expiration Slice names are public, reusable and unique (within a project)

Sponsored by the National Science Foundation A resource is a piece of infrastructure A resource can be real or virtual. Resource specifications (aka. RSpecs) are used to describe and request resources. Examples: Compute: computer vs virtual machine (VM) Wireline Network: VLAN or OpenFlow Wireless: WiMAX

Sponsored by the National Science Foundation An aggregate manages a set of reservable resources Aggregates include: GENI racks OpenFlow WiMAX InstaGENI Rack ExoGENI Rack

Sponsored by the National Science Foundation Experimenter (aka Student) slice aggregate project Member: Lead: Experimenter (aka Professor) Layer 2 resource

How SSH With a Private Key Works Sponsored by the National Science Foundation

Sponsored by the National Science Foundation SSH with a password Sponsored by the National Science Foundation ssh local> ssh password: ######## Welcome to remote! exit local> ssh password: ######## Hash of password stored on each remote machine User enters password once for each connection to each machine *nix-based system (Windows behavior may vary)

Sponsored by the National Science Foundation SSH with a private key Sponsored by the National Science Foundation local> ssh-add ~/.ssh/id_rsa Enter passphrase for ~/.ssh/id_rsa: ######## local> ssh Welcome to remote! exit local> ssh Welcome to remote2! exit local> ssh Welcome to remote3! exit local> ssh-add –D ssh Public key is stored on each remote machine User enters passphrase to unlock private key for all connections to all machines Private key is stored only on local machine *nix-based system (Windows behavior may vary)

Sponsored by the National Science Foundation SSH with a private key Sponsored by the National Science Foundation local> ssh-add ~/.ssh/id_rsa Enter passphrase for ~/.ssh/id_rsa: ######## local> ssh Welcome to remote! exit local> ssh Welcome to remote2! exit local> ssh Welcome to remote3! exit local> ssh-add –D ssh Public key is stored on each remote machine User enters passphrase to unlock private key for all connections to all machines Private key is stored only on local machine *nix-based system (Windows behavior may vary) ✔

Sponsored by the National Science Foundation SSH with a private key is both easier to use and more secure Sponsored by the National Science Foundation

Sponsored by the National Science Foundation You should never be prompted for a password to log into a GENI compute node. If you are, something has always gone wrong. Sponsored by the National Science Foundation

Sponsored by the National Science Foundation GENI Expiration and Renewal

Sponsored by the National Science Foundation slice expiration time ≤ project expiration time each resource expiration time ≤ slice expiration time each resource expiration time ≤ aggregate’s max expiration project slice resource (optional) project expiration time slice expiration time resource expiration time now To extend the lifetime of your resource reservation, you must renew the slice and all resources resource