Push-to-talk Over Cellular (POC) is the push to talk (PTT) voice service for mobile communications. It provides direct one-to-one and one-to-many voice communication service in the cellular network. It is based on half-duplex VoIP technology over mobile networks which allows PTT service to use cellular access resources.
An interpreted, object-oriented programming language developed by Guido van Rossum. The name comes from one of van Rossum’s favorite television shows, Monty Python’s Flying Circus. Python is very portable since Python interpreters are available for most operating system platforms. Although Python is copyrighted, the source code is open source, and unlike GNU software, it can […]
Short for Point-to-Multipoint, it is typically used in wireless Internet and IP telephony networks. Point-to-Multipoint is a communications network that provides a path from one location to multiple locations.
- packed file
A file in a compressed format. Many operating systems and applications contain commands that enable you to pack a file so that it takes up less memory. For example, suppose you have a text file containing ten consecutive space characters. Normally, this would require ten bytes of storage. However, a program that packs files would […]
Short for parallel Network File System, pNFS is a protocol extension of NFS 4.1, the first major performance upgrade to the widely deployed NFS in more than a decade. pNFS provides parallel I/O to file systems accessible over NFS to eliminate performance bottlenecks. With pNFS clients can directly access storage devices in parallel. metadata processing. […]
(pak´it) (n.) A piece of a message transmitted over a packet-switching network. See under packet switching. One of the key features of a packet is that it contains the destination address in addition to the data. In IP networks, packets are often called datagrams.