Cloud Computing terms starting with S

43 terms

  1. S3 (Amazon Simple Storage Service) Amazon Simple Storage Service (S3) is the distributed storage component of the AWS platform.
  2. SaaS (Software as a Service) refers to specialised companies who provide a very specific stack and support for that stack so as to get rid of the need for any technical headaches, e.g.
  3. sampling period A defined duration of time, such as one minute, over which CloudWatch computes a statistic.
  4. Sandbox A network or series of networks that are not connected to other networks.
  5. Scalability The capacity of a system to expand without requiring major reconfiguration or re-entry of data.
  6. scaling activity A process that changes the size, configuration, or makeup of an Auto Scaling group by launching or terminating instances.
  7. Secure Hash Algorithm (SHA) SHA1 is an earlier version of the algorithm, which AWS has deprecated in favor of SHA256.
  8. security group A named set of allowed inbound network connections for an instance. (Security groups in Amazon VPC also include support for outbound connections.
  9. self-healing In case of failure, there will be a hot backup instance of the application ready to take over without disruption (known as failover).
  10. Sender ID A Microsoft-controlled version of SPF. An email authentication and anti-spoofing system. For more information about Sender ID, go to http://wikipedia.
  11. Sender Policy Framework (SPF) A standard for authenticating email. See Also http://www.openspf.org.
  12. server-side signature verification Method used to validate Instant Payment Notification (IPN) and Return URL responses.
  13. Service See Services
  14. service endpoint See endpoint.
  15. service health dashboard A web page showing up-to-the-minute information about AWS service availability. The dashboard is located at http://status.aws.amazon.com.
  16. service-oriented The system allows composing applications out of discrete services that are loosely coupled (independent of each other).
  17. shared AMI An AMI that users other than the owner have launch permissions for.
  18. shared AMISHA An Amazon Machine Image that a developer builds and makes available for others to use.
  19. shutdown action A predefined bootstrap action that launches a script that executes a series of commands in parallel before terminating the job flow.
  20. Signature See Certificate.
  21. SIGNATURE file A file you copy to the root directory of your storage device. The file contains a job ID, manifest file, and a signature.
  22. Simple Storage Service (S3) A storage web service that provide storage through web services interfaces such as REST, SOAP and BitTorrent.
  23. SimpleDB A flexible distributed database writen in Erlang that stores data and serves users’ requests.
  24. Single-AZ DB Instance A standard (non-Multi-AZ) DB instance that is deployed in one Availability Zone, without a standby replica in another Availability Zone.
  25. SLA (Service Level Agreement) is the policy that a Cloud providing company will make to its clients to guarantee how their services will work.
  26. SLA-driven The system is dynamically managed by service-level agreements that define policies such as how quickly responses to requests need to be delivered.
  27. snapshot Amazon Elastic Block Store creates snapshots or backups of your volumes and stores them in Amazon S3.
  28. software VPN A software appliance-based VPN connection over the Internet.
  29. source/destination checking A 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…
  30. Spot Instance A 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…
  31. SSH Key When you launch an image through AWS, you will specify a particular SSH Key to associate with that image.
  32. Stack A group of 20 roulette chips.
  33. Standard button An HTML-coded button to offer Amazon Simple Pay as a standalone payment method for one-time purchases.
  34. statistic One of five functions of the values submitted for a given sampling period. These functions are "Maximum", "Minimum," "Sum," "Average," and "SampleCount."
  35. STEP Surveillance and Tracking Experiment Program.
  36. step type The 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…
  37. sticky session A 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…
  38. Storage Gateway A storage and content delivery service that connects an on-premise software applicance with cloud-based storage.
  39. streaming Amazon EMR: A utility that comes with Hadoop that enables you to develop MapReduce executables in languages other than Java.
  40. string-to-sign Before you calculate an HMAC signature, you first assemble the required components in a canonical order. The pre-encrypted string is the string-to-sign.
  41. subnet A segment of the IP address range of a VPC that EC2 instances can be attached to.
  42. Subscription button An HTML-coded button that enables an easy way to charge customers a recurring fee.
  43. supported AMI An 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.