name: RTCP
full_form: Real-time Transport Control Protocol
context: IMS is considered to be crucial for the development of multimedia-based 3G networks. In order to make the deployment of IP based multimedia services economically viable in a 3G environment, it is necessary to ensure that the Radio Access Bearers used to support these services are optimized. RABs for IMS support are already defined in 3GPP Rel5 [7]. However, these RABs may need to be optimized, in order to ensure a commercially viable deployment of IMS services. In general, IMS offers one of or combinations of, Real Time and Non Real Time Services e.g. Gaming, Voice, Video streaming, Audio Streaming, Instant Messaging, Chat, Web browsing etc. In order to support these services, IMS requires one or combinations of the following RABs towards the PS domain: Conversational PS RABs for Voice & Video Services Streaming PS RABs for PS Streaming Services Interactive/Background PS RABs for Data Services Signalling RABs for SIP While it can be argued that IMS can make use of most of the
description: The Real-time Transport Control Protocol (RTCP) is a protocol used to monitor and control the quality of real-time data transmission over IP networks. It provides feedback on the quality of the data transmission, such as packet loss and delay, and is used in conjunction with the Real-time Transport Protocol (RTP). In the context of 3GPP TS 25.862, RTCP is discussed in relation to its separation from RTP flows on different PDP contexts, which requires changes to CN/NAS specifications but not RAN standards.
explanation: RTCP is classified as a protocol because it defines rules and procedures for controlling and monitoring real-time data transmission. The text explicitly states that RTCP is used to monitor and control the quality of data transmission.
section_title: 5.3	RTCP flow and RTP flow separated on different PDP contexts
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