SIGNATURE fileA file you copy to the root directory of your storage device. The file contains a job ID, manifest file, and a signature.
Simple Storage Service (S3)(S3)A storage web service that provide storage through web services interfaces such as REST, SOAP and BitTorrent.
SimpleDBA flexible distributed database writen in Erlang that stores data and serves users’ requests.
Single-AZ DB InstanceA standard (non-Multi-AZ) DB instance that is deployed in one Availability Zone, without a standby replica in another Availability Zone.
SLA (Service Level Agreement)is the policy that a Cloud providing company will make to its clients to guarantee how their services will work.
SLA-drivenThe system is dynamically managed by service-level agreements that define policies such as how quickly responses to requests need to be delivered.
snapshotAmazon Elastic Block Store creates snapshots or backups of your volumes and stores them in Amazon S3.
software VPNA software appliance-based VPN connection over the Internet.
source/destination checkingA security measure to verify that an EC2 instance is the origin of all traffic that it sends and the ultimate destination of all traffic that it receives…
Spot InstanceA purchase option available to AWS users. In essense, users can bid on spare Amazon EC2 instances and purchase them if their bid exceeds the current Spot…
SSH KeyWhen you launch an image through AWS, you will specify a particular SSH Key to associate with that image.
Standard buttonAn HTML-coded button to offer Amazon Simple Pay as a standalone payment method for one-time purchases.
statisticOne of five functions of the values submitted for a given sampling period. These functions are "Maximum", "Minimum," "Sum," "Average," and "SampleCount."
step typeThe type of work done in a step. There are a limited number of step types, such as moving data from Amazon S3 to Amazon EC2 or from Amazon EC2 to Amazon…
sticky sessionA feature of the load balancer that binds a user's session to a specific application instance so that all requests coming from the user during the session…
Storage GatewayA storage and content delivery service that connects an on-premise software applicance with cloud-based storage.
streamingAmazon EMR: A utility that comes with Hadoop that enables you to develop MapReduce executables in languages other than Java.
string-to-signBefore you calculate an HMAC signature, you first assemble the required components in a canonical order. The pre-encrypted string is the string-to-sign.
subnetA segment of the IP address range of a VPC that EC2 instances can be attached to.
Subscription buttonAn HTML-coded button that enables an easy way to charge customers a recurring fee.
supported AMIAn Amazon Machine Image similar to a paid AMI, except that the owner charges for additional software or a service that customers use with their own AMIs.
task nodeAn EC2 instance that runs Hadoop map and reduce tasks, but does not store data.
tebibyteA contraction of tera binary byte, a tebibyte is 2^40 bytes or 1,099,511,627,776 bytes. A terabyte is 10^12 or 1,000,000,000,000 bytes.
template format versionThe version of an AWS CloudFormation template design that determines the available features.
template validationThe process of confirming the use of JSON code in an AWS CloudFormation template.
The Cloudis 'the Internet', or 'the Grid', or 'Utility Computing' or 'the Information Superhighway', or any other buzz word you can think of for the latest…
The Stacka stack is made up of various computing components which provide different functionality.
time series dataData provided as part of a metric. The time value is assumed to be when the value occurred.
topicA communication channel to send messages and subscribe to notifications. It provides an access point for publishers and subscribers to communicate with…
Transport Layer Security (TLS)(TLS)A cryptographic protocol that provides security for communication over the Internet. Its predecessor is Secure Sockets Layer (SSL).
tuningSelecting the number and type of AMIs to run a Hadoop job flow most efficiently.
TunnelCovered portion of spillway between the gate or crest structure and the terminal structure, where open channel flow and/or pressure flow conditions may…
unboundedThe number of potential occurrences is not limited by a set number. This value is often used when defining a data type that is a list (for example…
usage reportAn AWS report giving details of your usage of a particular AWS service. You can generate and download usage reports from http://aws.amazon.
utility computingWhile utility computing often requires a cloud-like infrastructure, its focus is on the business model on which providing the computing services are based.
Validationis the process of performing a set of experiments that establish the efficacy and reliability of a technique or procedure or modification thereof.
versioningDocument and picture versioning creates a backup copy of a file whenever it is saved to the library.
Vertical CloudA cloud computing environment optimized for use in a particular vertical -- i.e., industry -- or application use case.
virtualIs a process by which multiple operating systems (servers) run on a single piece of hardware or physical server
Virtual Machine Import/ExportA feature offered by AWS that users can use to import virtual machine images from their existing environment to Amazon EC2 instances and export them back…
Virtual Private Cloud (VPC)(VPC)A term coined by Reuven Cohen, CEO and founder of Enomaly. The term describes a concept that is similar to, and derived from, the familiar concept of a…
virtual private gateway (VPG)(VPG)Virtual private gateway. The Amazon side of a VPN connection that maintains connectivity.
virtualizedApplications are decoupled from the underlying hardware. Multiple applications can run on one computer (virtualization a la VMWare) or multiple computers…
visibility timeoutThe period of time that a message is invisible to the rest of your application after an application component gets it from the queue.
VPN connectionAlthough VPN connection is a general term, we specifically mean the IPsec connection between a VPC and some other network, such as a corporate data…
Web Services Description Language (WSDL)(WSDL)A language used to describe the actions that a web service can perform, along with the syntax of action requests and responses.
WorkloadThe amount of processing that a computer is given to perform in under certain time frame.