asterisk
(1) Also called a star, a punctuation mark denoted by a 5- or 6-pointed snowflake shape (*). In many operating systems and applications, the asterisk is used as a wildcard symbol to represent any string of characters.
(2) When capitalized as , an open source PBX daemon that runs on Linux. Asterisk is a complete PBX contained within software and can interoperate with almost all standards-based telephony equipment using comparatively inexpensive hardware. Asterisk supports a wide range of TDM protocols for the handling and transmission of voice over traditional telephony interfaces and also supports US and European standard signalling types used in standard business phone systems.
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A slang term used to mean “artificial” blog buzz. In the blogosphere people may blog about a new product, which in turn prompts others to blog the product’s message. When the original blog(s) have been started by a PR company, it is called astroturfing.
- Asynchronous
)Not synchronized; that is, not occurring at predetermined or regular intervals. The term asynchronous is usually used to describe communications in which data can be transmitted intermittently rather than in a steady stream. For example, a telephone conversation is asynchronous because both parties can talk whenever they like. If the communication were synchronous, each party […]
- asynchronous groupware
Groupware that enables multiple participants to collaborate but not in real time, at the same time. Asynchronous groupware includes e-mail, version control systems, or collaborative writing systems. Contrast with synchronous groupware.
- asynchronous messaging
Asynchronous messaging describes communications that takes place between two applications or systems, where the system places a message in a message queue (called an Event Queue in enterprise messaging systems) and does not need to wait for a reply to continue processing. Contrast with synchronous messaging.
- asynchronous replication
A technology used in server and network storage. Once data has been written to the primary storage site, new writes to that site can be accepted, without having to wait for the secondary or remote storage site to also finish its writes. The downside to asynchronous replication is the possibility of data loss if the […]