ACL - Access Control List ADSL - Asymmetric Digital Subscriber Line AfriNIC - African Network Information Centre AM - Amplitude Modulation APNIC - Asia-Pacific Network Information Centre ARIN - American Registry for Internet Numbers ARP - Address Resolution Protocol ARPANET - Advanced Research Projects Agency Network ARQ - Automatic Repeat Request AS - Autonomous System ASK - Amplitude-Shift Keying ASN.1 - Abstract Syntax Notation One X.690 ATM - Asynchronous Transfer Mode BCP - Best Current Practice BER - Basic Encoding Rules BGP - Border Gateway Protocol Bluetooth - Bluetooth BOOTP - Bootstrap Protocol BPL - Broadband over Power Line BSC - Base Station Controller BSS - Base Station Subsystem BTS - Base Transceiver Station CATV - Community Antenna Television CDMA - Code-Division Multiple Access CESNET - Czech Education and Scientific Network CIDR - Classless Inter-Domain Routing CMTS - Cable Modem Termination System CP - Customer Premise CRC - Cyclic Redundancy Check CSMA/CA - Carrier Sense Multiple Access with Collision Avoidance CSMA/CD - Carrier Sense Multiple Access with Collision Detection DAB - Digital Audio Broadcasting DHCP - Dynamic Host Configuration Protocol DiffServ - Differentiated Services DMZ - Demilitarized Zone DNS - Domain Name System DOCSIS - Data Over Cable Service Interface Specification Dot1q - IEEE 802.1q DSH - Synchronous Digital Hierarchy DSL - Digital Subscriber Line DSLAM - DSL Access Multiplexer DVB - Digital Video Broadcasting EDGE - Enhanced Data rates for GSM Evolution EGP - Exterior Gateway Protocol EOOL - End of Option List Ethernet - Ethernet IEEE 802.3 EUI - Extended Unique Identifier EuroDOCSIS - European DOCSIS FDDI - Fiber Distributed Data Interface FireWire - FireWire IEEE 1394 FM - Frequency Modulation FR - Frame Relay FSK - Frequency-Shift Keying FTP - File Transfer Protocol FTTB - Fiber to the Building FTTC - Fiber to the Curb FTTH - Fiber to the Home FTTN - Fiber to the Node FTTx - Fiber to the X FUP - Fair Use Policy FWA - Fixed Wireless Access FYI - For Your Information GERAN - GSM EDGE Radio Access Network GSM - Global System for Mobile Communications HDLC - High-Level Data Link Control HDMI - High-Definition Multimedia Interface HFC - Hybrid Fiber-Coaxial HomePlug - HomePlug HTTP - Hypertext Transfer Protocol IAB - Internet Architecture Board IANA - Internet Assigned Numbers Authority ICANN - Internet Corporation for Assigned Names and Numbers ICMP - Internet Control Message Protocol IEEE - Institute of Electrical and Electronics Engineers IEEE RA - IEEE Registration Authority IETF - Internet Engineering Task Force IGMP - Internet Group Management Protocol IGP - Interior Gateway Protocol IHL - Internet Header Length IMAP - Internet Message Access Protocol IntServ - Integrated Services IP - Internet Protocol IPSEC - Internet Protocol Security IrDA - Infrared Data Association IRI - Internationalized Resource Identifier ISBN - International Standard Book Number ISDN - Integrated Services Digital Network ISL - Inter-Switch Link ISO - International Organization for Standardization ISOC - Internet Society ISP - Internet Service Provider ISSN - International Standard Serial Number ITU - International Telecommunication Union IXP - Internet Exchange Point JDBC - Java Database Connectivity LAA - Locally Administered Addresses LACNIC - Latin America and Caribbean Network Information Centre LAN - Local Area Network LIR - Local Internet Registry LLC - Logical Link Control LSR - Loose Source Route LTE - Long-Term Evolution MAC - Media Access Control MAN - Metropolitan Area Network MEPNET - Metropolitan Prague Network MPLS - Multiprotocol Label Switching MSC - Mobile Switching Center MTU - Maximum Transmission Unit MVRP - Multiple VLAN Registration Protocol IEEE 802.1ak NAP - Network Access Point NAPT - Network Address and Port Translation NAT - Network Address Translation NFC - Near-Field Communication NIC - Network Interface Controller NIR - National Internet Registry NIX.cz - Neutral Internet eXchange NRZ - Non-Return-To-Zero NSFNET - National Science Foundation Network NSS - Network Switching Subsystem OSI - Open Systems Interconnection Model OSPF - Open Shortest Path First OUI - Organizationally Unique Identifier OWL - Web Ontology Language P2MP - Point-to-MultiPoint P2P - Peer-to-Peer Network P2P - Point-to-Point PAN - Personal Area Network PASNET - Prague Academic and Scientific Network PDU - Protocol Data Unit PLC - Power-Line Communication PM - Phase Modulation PMTUD - Path MTU Discovery PON - Passive Optical Network PoP - Point of Presence POP3 - Post Office Protocol 3 POTS - Plain Old Telephone Service PPP - Point-to-Point Protocol PSK - Phase-Shift Keying PSTN - Public Switched Telephone Network QAM - Quadrature Amplitude Modulation QoS - Quality of Service RARP - Reverse Address Resolution Protocol RFC - Request for Comments RIP - Routing Information Protocol RIPE - Réseaux IP Européens Network Coordination Centre RIR - Regional Internet Registry RPC - Remote Procedure Call RPF - Reverse Path Forwarding RR - Record Route RSU - Remote Subscriber Unit RSVP - Resource Reservation Protocol RTP - Real-Time Transport Protocol RTT - Round Trip Time RZ - Return-To-Zero SATA - Serial AT Attachment SCTP - Stream Control Transmission Protocol SIP - Session Initiation Protocol SLIP - Serial Line Internet Protocol SMTP - Simple Mail Transfer Protocol SNCF - Sequence Number Controlled Flooding SNMP - Simple Network Management Protocol SONET - Synchronous Optical Networking SSH - Secure Shell SSR - Strict Source Route STA - Spanning Tree Algorithm STD - Internet Standard STP - Spanning Tree Protocol TCP - Transmission Control Protocol TCP/IP - Internet Protocol Suite ToS - Type of Service TS - Time Stamp TTL - Time To Live UAA - Universally Administered Addresses UDP - User Datagram Protocol UMTS - Universal Mobile Telecommunications Systém URC - Uniform Resource Characteristics URI - Uniform Resource Identifier URL - Uniform Resource Locator URN - Uniform Resource Name USB - Universal Serial Bus VCI - Virtual Circuit Identifier VDSL2 - Very High-Speed Digital Subscriber Line 2 VID - VLAN Identifier VLAN - Virtual Local Area Networks VoIP - Voice over Internet Protocol X.680 VTP - VLAN Trunking Protocol W3C - World Wide Web Consortium WAN - Wide Area Network Wi-Fi - Wi-Fi IEEE 802.11 WiMAX - Worldwide Interoperability for Microwave Access WLL - Wireless Local Loop X.25 - X.25