A brownfield deployment, in information technology, is the installation and configuration of new hardware or software that must coexist with legacy IT systems.
A channel extender is a device used with IBM's S/390 line of computers to increase the maximum communication distances between the S/390 channel-connected mainframe computers, or between an S/390 and peripheral devices such as workstations, printers, and storage devices.
DB2 is a family of relational database management system (RDBMS) products from IBM that serve a number of different operating system platforms.
Information technology (IT) is a general term that covers all forms of technology used to create, store, exchange, and use information in various forms.
Linux swappiness is the rate at which a Linux platform's kernel moves pages into and out of active memory.
Software-defined everything (SDE) is an umbrella term that describes how virtualization and abstracting workloads from the underlying hardware can be used to make information technology (IT) infrastructures more flexible and agile.