Parallel Computing terms starting with S

76 terms

S3 (Amazon Simple Storage Service) Amazon Simple Storage Service (S3) is the distributed storage component of the AWS platform.
SAAJ For more information, see http://www.apache.org.
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.
sampling period A defined duration of time, such as one minute, over which CloudWatch computes a statistic.
SAN (Storage Area Network) A high-speed subnetwork of shared storage devices. A storage device is a machine that contains nothing but a disc or discs for storing data.
Sandbox A network or series of networks that are not connected to other networks.
SASL See definition for: Simple Authentication and Security Layer (SASL)
Scalability The capacity of a system to expand without requiring major reconfiguration or re-entry of data.
Scale Out Scale Out is the term usually applied to scaling an application or service through the use of multiple service component instances, which typically…
Scale Up Conversion of a process, such as fermentation of a micro-organism, from a small laboratory scale to a larger industrial scale.
scaling activity A process that changes the size, configuration, or makeup of an Auto Scaling group by launching or terminating instances.
scheduler Term used to describe a job scheduler mechanism to which GRAM interfaces. It is a networked system for submitting, controlling, and monitoring the…
scheduler adapter The interface used by GRAM to communicate/interact with a job scheduler mechanism. In GT 4.x, this is both the perl submission scripts and the SEG program.
Scheduler Event Generator (SEG) The Scheduler Event Generator (SEG) is a program which uses scheduler-specific monitoring modules to generate job state change events.
Secure Hash Algorithm (SHA) SHA1 is an earlier version of the algorithm, which AWS has deprecated in favor of SHA256.
Secure Interface The physical layer connection between a gateway and a secure network.
Secure Network A logical portion of a network that client computers can access if they either meet corporate health policy or are exempt from meeting corporate health…
security group A named set of allowed inbound network connections for an instance. (Security groups in Amazon VPC also include support for outbound connections.
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).
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.
Sender Policy Framework (SPF) A standard for authenticating email. See Also http://www.openspf.org.
Server Any computer on a network that contains data or applications shared by users of the network on their client PCs.
Server Provisioning The allocation of servers for use for application software and users.
server-config.wsdd Axis server-side WSDD configuration file. It contains information about the services, the type mappings and various handlers.
server-side signature verification Method used to validate Instant Payment Notification (IPN) and Return URL responses.
Service See Services
service certificate A EEC for a specific service (e.g. FTP or LDAP). When using GSI this certificate is typically stored in /etc/grid-security/<service>/<service>cert.pem.
Service Characterization The process by which the composition or pattern of a service and the relationships with its dependencies is derived.
service credentials The combination of a service certificate and its corresponding private key.
service endpoint See endpoint.
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.
Service Level Management Managing system performance (i.e. response time, compute power, storage space) by a contract in which a Service Provider agrees to deliver an agreed-upon…
Service Sizing The process by which the number, performance, scaling, availability and security attributes of grid components is derived.
service-oriented The system allows composing applications out of discrete services that are loosely coupled (independent of each other).
servlet For more information, see http://www.apache.org.
shared AMI An AMI that users other than the owner have launch permissions for.
shared AMISHA An Amazon Machine Image that a developer builds and makes available for others to use.
shutdown action A predefined bootstrap action that launches a script that executes a series of commands in parallel before terminating the job flow.
Signature See Certificate.
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.
Simple Storage Service (S3) A storage web service that provide storage through web services interfaces such as REST, SOAP and BitTorrent.
SimpleDB A flexible distributed database writen in Erlang that stores data and serves users’ requests.
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.
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-driven The system is dynamically managed by service-level agreements that define policies such as how quickly responses to requests need to be delivered.
SLO (Service Level Objective) The specific quantifiable and measurable attributes of a service that form the basis of a Service Level Agreement. See also: Service Level Agreement
SMP (Symmetric Multiprocessing) A computer architecture that utilizes multiple CPUs to complete individual processes simultaneously.
snapshot Amazon Elastic Block Store creates snapshots or backups of your volumes and stores them in Amazon S3.
SOA (Service-Oriented Architecture) Principles and practices for sharing, reusing, and orchestrating business logic represented as services or components.
SOAP SOAP provides a standard, extensible, composable framework for packaging and exchanging XML messages between a service provider and a service requester.
SOAP (Simple Object Access Protocol) Simple Object Access Protocol is a means of sending messages between a service requester and provider.
Software Provisioning Installing, configuring, and making software available for applications and users.
software VPN A software appliance-based VPN connection over the Internet.
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…
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…
SSH Key When you launch an image through AWS, you will specify a particular SSH Key to associate with that image.
SSL/TLS (Secure Socket Layer / Transport Layer Security) Secure Socket Layer / Transport Layer Security is a security protocol that provides communication privacy.
Stack A group of 20 roulette chips.
standalone container A simple HTTP server that passes requests to the SOAP engine and it can only serve .wsdl and .xsd files.
Standard button An HTML-coded button to offer Amazon Simple Pay as a standalone payment method for one-time purchases.
statistic One of five functions of the values submitted for a given sampling period. These functions are "Maximum", "Minimum," "Sum," "Average," and "SampleCount."
STEP Surveillance and Tracking Experiment Program.
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…
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…
Storage Element A physical grid component that is a storage component, such as a disk or array. See also: Grid Component
Storage Gateway A storage and content delivery service that connects an on-premise software applicance with cloud-based storage.
Storage Provisioning The allocation of storage for use for applications (including databases) and users.
stream mode (MODE S) The only mode normally implemented for FTP is MODE S. This is simply sending each byte, one after another over the socket in order, with no application…
streaming Amazon EMR: A utility that comes with Hadoop that enables you to develop MapReduce executables in languages other than Java.
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.
striping When speaking about GridFTP transfers, striping refers to having multiple network endpoints at the source, destination, or both participating in the…
subnet A segment of the IP address range of a VPC that EC2 instances can be attached to.
subscription aggregator source An aggregator source (included in WS MDS) that collects data from a WSRF service via WSRF subscription/notification.
Subscription button An HTML-coded button that enables an easy way to charge customers a recurring fee.
superuser do (sudo) Allows a system administrator to give certain users (or groups of users) the ability to run some (or all) commands as root or another user while logging…
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.