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Glossary of Terms
Chapter 4 53
A token pool contains a number of tokens belonging to some organization
and having a given name. These tokens may be shared among one or more
realms.
Tunneling
A secure connection between a client workstation and an intranet or other
network, that provides a VPN to a user. This connection may be a voluntary
tunnel initiated by the client or a compulsory tunnel initiated during
authentication by a server or other dedicated network equipment.
TLS (Transport Layer Security)
Uses TLS (also known as SSL) to authenticate the client using its digital
certificate. Note: some wireless supplicants require specific extensions to
support certificates for EAP. TLS features include: Dynamic Key Exchange;
Mutual Authentication; Digital Certificate/Token Card-based
Authentication; and, Encrypted Tunnelling.
TTLS (Tunnelled-Transport Layer Security)
Can carry additional EAP or legacy authentication methods like PAP and
CHAP. Integrates with the widest variety of password storage formats and
existing password-based authentication systems. Wireless supplicants
available for a large number of clients. TTLS features include: Dynamic Key
Exchange; Mutual Authentication; Password-based Authentication; and,
Encrypted Tunnelling.
Users
Individuals whom the AAA server must authenticate and authorize before
by they can access an organization’s service, such as Internet access through
an ISP.
VPN
See Virtual Private Network.
Virtual Private Network
A network service offered by public carriers in which the user is provided a
network that in many ways appears as if it is a private network
(user-unique addressing, network management capabilities, dynamic
reconfiguration, etc.) but which, in fact, is provided over the carrier's public
network facilities, abbreviated as VPN.