Glossary of Terms 275
IPC: Inter-process Communications (Vines)
IPL: Initial program load
IPSec: Internet Protocol Security
IPX: Internet packet exchange
IRB: Integrated routing and bridging
IS: Intermediate system
(ISC)
2
: International Information Systems Security Certification Consor-
tium
ISDN BRI: Integrated Services Digital Network — Basic Rate Interface
ISDN PRI: Integrated Services Digital Network — Primary Rate Interface
ISIS: Intermediate System Intermediate System (OSI standard routing
protocol)
ISO: International Organization for Standardization
ISP: Internet service provider
ISSA: Information Systems Security Association
ITL: Information Technology Laboratory
ITSEC: Information Technology Security Evaluation Criteria
ITU: International Telecommunications ...