ln -s /usr/timtimmah /usr/kevinstanonik

So what is this “Cloud”?

 National Institute of Standards and Technology  “Cloud computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction.“

So what is this “Cloud”?  National Institute of Standards and Technology  “Cloud computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction.“

So what is this “Cloud”?  If your computer doesn’t have to do any work for it to work, it’s likely a cloud.

A few examples  Any service you can check on the web  Dropbox  Google anything  Microsoft Office Live  Meebo  Flickr/Picassa/Photobucket  HoboVPS, linode  Amazon EC2  clamav

These are not cloud services  Microsoft Office 20[03|04|07|08|10|11]  Adobe CS[2|3|4|5]  Trillian  iTunes, iPhoto, ietc  Your shitputer sitting in a corner at home  You sitting in a corner at home  Steam

Characteristics of a cloud  It’s just up there somewhere.  All the work is shunted to an external source for processing  Interesting examples:  Onlive  Quake via the web

The good things  You can access your stuff from anywhere.  It’s cheap, usually free for personal use.  You don’t have to host hardware  No upkeep costs, noise, heat, freaking out when it crashes because you don’t know what three short beeps on POST

Downsides  Is your data really yours anymore?  Read the TOS if you’re worried.  Or don’t use the cloud.  Oh no, someone can see my data!  Encrypt it.  Have to manipulate the data when it’s encrypted?  Homomorphic Encryption  No Internet, no luck.

dem_examples  ets/ / ets/ /     