idle session

A session that is running on a Sun Ray server but to which no user (identified by a smart card token or a pseudo-token) is logged in.

IKE

Internet Key Exchange, a component of IPSec.

intranet

Any network that provides similar services within an organization to those provided by the Internet but which is not necessarily connected to the Internet.

IP address lease

The assignment of an IP address to a computer system for a specified length of time, rather than permanently. IP address leasing is managed by the Dynamic Host Configuration Protocol (DHCP). The IP addresses of Sun Ray Clients are leased.

IPSec

The Internet Protocol (Security) set of protocols seeks to secure IP communications by encoding data packets through authentication headers (AH) and encapsulating security payloads (ESP) and by providing a key exchange mechanism (IKE).