| Abbreviation/Acronym | Description |
|---|
| ABR | Adaptive Bit Rate |
| ACS | Auto-Configuration Server |
| ADSG | Advanced DOCSIS Settop Gateway |
| AES | Advanced Encryption Standard |
| AKE | Authentication and Key Exchange |
| ALG | Application Layer Gateway |
| AMS | Ad Management Service |
| APDU | Application Protocol Data Unit |
| ATSC | Advanced Television Systems Committee standards. A set of standards developed by the Advanced Television Systems Committee for digital television transmission over terrestrial, cable, and satellite networks. |
| AWG | Advanced Wireless Gateway |
| BSP | Board Support Package |
| CANH | Conditional Access Network Handler for OCAP |
| CAS | Conditional Access Server (or System) |
| CAT | Conditional Access Table |
| CCI | Copy Control Information |
| CCSP | Common Component Software Platform |
| CCTV | Closed Caption Television |
| CDC | Connected Device Configuration |
| CDN | Content Delivery Network (also known as Infinity Phase 2 and CCDN) |
| cDVR | Cloud Digital Video Recorder |
| CEDIA | Custom Electronic Design and Installation Association |
| CHILA | The CableCARD Host Interface Licensing Agreement (CHILA) restricts the technologies that CE companies may use for distributing video from host devices. |
| CIFS | Common Internet File System |
| CMTS | Cable Modem Termination Systems |
| COAM | Customer owned and maintained |
| COSA | Cisco Open Source Architecture |
| CPC | Client Platform Components |
| CR | Component Registrar |
| CWMP | CPE WAN Management Protocol |
| DAC | Digital-to-Analog converter |
| DES | Data Encryption Standard |
| DLNA | Digital Living Network Alliance |
| DLNA CVP-1 | DLNA Commercial Video Player |
| DLNA | Digital Living Network Alliance |
| DMCLI | Database Manager Command Line Interface |
| DMP | Digital Media Player. This is a DLNA-compliant client device. |
| DMS | Digital Media Server. This is a DLNA-compliant server device. |
| DNCS | Digital Network Control System - The Cisco Head End main component used by MSOs to provide network services to their customers. |
| DOCSIS | Data Over Cable Service Interface Specifications |
| DRM | Digital Rights Management - A system for ensuring that content owners' rights are protected for media that is streamed or delivered to clients. |
| DRM | Digital Rights Management |
| DTCP | Digital Transmission Content Protection |
| DTCP-IP | Digital Transmission Content Protection over IP. It provides authentication keys, encryption, copy and usage information to help protect digital assets as they are transmitted over IP networks. |
| DUT | Device Under Test |
| DVB | Digital Video Broadcast(ing) |
| DVR | Digital Video Recorder |
| EAS | Emergency/Electronic Alert System. A system designed to inform subscribers that a national emergency is taking place. Also used for local weather alerts. |
| ECM | Entitlement Control Message |
| EDID | Extended Display Identification Data |
| EMM | Entitlement Management Message. A message sent from the CASMR to a DTA to tell the DTA that a service is authorized or unauthorized. |
| EOS | End Of Stream |
| EPG | Electronic Program Guide |
| EPON | Ethernet Passive Optical Network |
| eSAFE | embeddedService/ApplicationFunctional Entities |
| FlashAccess™ | A technology for delivering secure, authorized and content-protected media across a network to a large number of devices. FlashAccess that can be licensed from Adobe Systems |
| FQDN | Fully Qualified Domain Name |
| G-Streamer | An open source pipeline-based multimedia framework |
| Gateway | A device that provides services between two networks. Typical RDK gateways are located in the customer premises, providing services to the devices within the home. |
| git | The git source code repository - see SVN |
| GLIB | An open source cross-platform library developed and maintain by the GNOME project that provides APIs for data structures, threaded programming primitives, and IO functions |
| GLIBC | A GNU Implementation of the standard C Library |
| GOP | Group of Picture used in MPEG2/4 Video data |
| G-Streamer | An open source pipeline-based multimedia framework |
| HDCP | High Definition Content Protection |
| HDMI | High Definition Multimedia Interface |
| Headless Gateway | A gateway device that does not provide local a UI. |
| HNAP | Home Network Administration Protocol |
| HTTP | Hypertext Trasmission Protocol - the protocol used by Web servers and Browsers on the Internet |
| HTTPS | HTTP over SSL - Secure transmission of HTTP that uses th Secure Sockets Layer. |
| IARM | Inter-Application Resource Manager. This is the main system bus for Events and Messages in the RDK platform. It implements a Publish-and-Subscribe metaphor. |
| ICC | Interface Controller Card |
| IGMP | Internet Group Management Protocol |
| IPPV | Impulse Pay-Per-View |
| ISP | Internet Service Provider |
| Java | A portable, object-oriented programming language originally developed by Sun MicroSystems. Java programs are executed inside a JVM. |
| JSON | JavaScript Object Notation |
| JVM | Java Virtual Machine. A software container for running Java programs. |
| LDAP | Lightweight Directory Access Protocol |
| LLID | Logical Link Identifier |
| LSA | Linear Segment Advertising |
| LTE | Long Term Evolution |
| LTSID | Local Transport Stream IDentifier |
| MDD | MAC Domain Descriptor |
| MIMO | MDD IP Mode Override |
| MoCA | Multimedia over Coax Alliance, MoCA is a standards organization that supports a technology to provide the backbone for home digital entertainment networks. |
| MPEG-TS | Motion Pictures Expert Group Transport Stream |
| MPTS | Multi Program Transport Stream |
| MSO | Multiple Service Operators |
| NAT | Network address translation |
| NCS | Network Call Signalling |
| nDVR | Network-Based Digital Video Recording |
| NIT | Network Information Table. The Table ID extension is used to identify the available transmission networks together with a directory listing of transport streams and their originating network operator with descriptors listing the modulation and source of those streams. |
| NTT | Network Text Table |
| NVOD | Near Video On Demand |
| NVRAM | Non-Volatile Random Access Memory |
| OAM | Operations, Administration and Maintenance |
| OCAP | Open Cable Application Platform for delivering applications and services on an RF network. |
| OCAP-RI | OpenCable Application Platform Reference Implementation |
| OEM | Original Equipment Manufacturer. An OEM manufactures devices that may be sold in the market under a variety of brand names. |
| ONU | Optical Network Unit |
| ONUID | Unique physical ONU identification number |
| OOB | Out-Of-Band |
| Open GL | Open Graphics Library - A low-level graphics toolkit that allows lines, shapes, text and other basic graphics elements to be rendered on screen. |
| Open GL/ES | OpenGL for Embedded Systems- a subset of OpenGL designed for embedded systems. |
| OSD | On Screen Display/Diagnostic |
| OSS | Open-Source Software |
| OTA | Over the Air |
| OTT | Over The Top |
| PA | Protocol Agent as in Snmp PA and TR069 PA |
| PAN | Personal Area Network as specified in IEEE 802.15.4 |
| PandM | Provisioning And Management |
| PAT | Program Association Table |
| PCR | Program Clock Reference |
| PES | Packetized Elementary Stream per [ISO/IEC 13818-1] |
| PID | Program (or Packet) Identifier per [ISO/IEC 13818-1] |
| PlayReady™ | A DRM technology framework that can be licensed from Microsoft for streaming media using Digital Rights Management. |
| PMT | Program Map Table |
| POD | Password Of the Day |
| PoE | Power over Ethernet |
| PPV | Pay-Per-View |
| PSI | Program Specific Information |
| PSM | Persistent Storage Manager |
| PTS | Presentation Time Stamp |
| PVR | Personal Video Recorder |
| QAM | Quadrature Amplitute Modulation - a QAM is used to convert a digital singal into an analog RF (radio Frequency) signal for transmission on a cable network. |
| Qt ("Cute") | An open source, widely used windowing famework used by the RDK |
| RDK | Reference Design Kit |
| RDK Central | The publicly available website for RDK |
| RDK Wiki | A wiki for RDK developers to access RDK related information, support, forums and content. |
| REST | Representational State Transfer |
| RF4CE | Radio Frequency for Consumer Electronics |
| RFC | Request For Comments |
| RIP | Routing Information Protocol |
| RMF | RDK Media Framework |
| RMF Media Streamer | Component of RMF |
| RPD | Routing protocol process |
| RSSI | Relative Signal Strength Indicator |
| RTCP | Real Time Control Protocol |
| RTE | Real Time Encoding |
| RTP | Real-Time Transport Protocol as specified by [RFC 3550] |
| RTSP | Real Time Streaming Protocol |
| S-VCT | Short-form Virtual Channel Table |
| SDV | Switched Digital Video |
| SM | Service Manager |
| SNMP | Simple Network Management Protocol is an Internet-standard protocol for managing devices on IP networks. |
| SoC | System On Chip - A chipset that provides much of what is needed for a complete computer system packaged on a single chip. |
| SPTS | Single Program Transport Stream |
| SSH | Secure Shell - a UNIX-like command shell that uses SSL to encrypt all the network traffic for secure access to a command line on a remote server. |
| SSID | Service Set Identifier |
| SSL | Secure Sockets Layer - A common technology used to encrypt network traffic for tramsission over TCP/IP networks. |
| SSP | Synchronous Serial Port |
| Stable Release | As RDK develops, quarterly releases will branch. Each release branch will be designated into release candidates. |
| STB | Set-Top Box |
| STC | System Time Clock |
| STT | System Time Table |
| STUN | Session Traversal Utilities through Network Address Translators (NATs) |
| S-VCT | Short-form Virtual Channel Table |
| SVN | The Subversion (Source Code Repository) - see git |
| TAD | Test And Diagnostic |
| TDM | Test And Diagnostic Manager/Time Division Multiplexing |
| Title VI | Title Six calls for Closed Captioning of Public Service announcements. This is typically a transcription of the audio portion of a program. |
| TR-69 | Defines an application layer protocol for remote management of end-user devices. |
| Tru2Way | Interactive digital cable services delivered over the cable video network. Tru2way is sometimes called OCAP. |
| TSB | Time Shift Buffer |
| UPnP | Universal Plug and Play. This is a network protocol for broadcasting and discovering services on the network. It allows devices to find services or ro announce that they are providing services. |
| USG | UniFi Security Gateway |
| VBR | Variable Bit Rate |
| VLAN | Virtual Local Area Network |
| WDS | Wireless Distribution System |
| WEBPA | Web-based Protocol Agent |
| WEP | Wired Equivalent Privacy |
| WPA | Wi-Fi Protected Access |
| WPS | WiFi Protected Setup |
| WRP | Web Routing Protocol |
| YAJI | Yet Another JSON Iterator - an Open Source JSON parser used in the RDK Stack. |
