RAC Remote Access Concentrator
RACH Random Access Channel
RAD Remote Antenna Driver
RADIUS Remote Authentication Dial-In Service
RAID Redundant Array of Inexpensive Disks
RAM Random Access Memory
RAS Remote Access Server
RASDL Rate Adaptive Digital Subscriber Line
RASP Remote Antenna Signal Processor
RBES Rule Based Expert Systems
RCU Remote Control Unit
RDBMS Relational Data Base Management System
RDSS Radio Determination Satellite Service
RED Random Early Detection
RECC Reverse Control Channel
RFC Request for Comment
RF Radio Frequency
RF Routing Field
RFI Radio Frequency Interference
RFI Request for Information
RFP Request For Proposal
RFQ Request for Quotation
RG/U Radio Guide/Utility
RI/RO Ring In/Ring Out
RIP Routing Information Protocol
RISC Reduced Instruction Set Computing
RJE Remote Job Entry
RJU Residential Junction Unit
RLL Run Length Limited
RMON Remote Monitoring
ROI Return on Investment
ROM Read Only Memory
RPC Remote Procedure Call
RSCN Registered State Change Notification
RSS Residential Service System
RSVP resource ReSerVation Protocol
RT Remote Terminal
RTNR Real Time Network Routing (AT&T)
RTP Rapid Transfer Protocol (IBM Corp.)
RTP Real-time Transfer Protocol
RX Receive
