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RAM
Random Access Memory, a temporary storage area for the processor uses to execute programs and keep data.Once the RAM is full, it will remove the information to make space for performing the current mask.
Resolution
The number of pixels displayed on the screen. This is defined by two numbers that indicates the number of pixels displayed horizontally multiplied by the number of pixels displayed vertically.
Router
A router is a device, determines the next network point for a packet should be carried to its destination.
ROM
Read-Only Memory; is one kind of memory. The inside data could only be read but not written.
RS485
RS-485 is an electrical specification of a two-wire, half-duplex, multipoint serial connection.It supports high data transmission speeds and uses a different balanced line over twisted pair. It also spans large distances.
RTCP (Real-Time Control Protocol)
Real-Time Control Protocol; is used to monitor the session. It is mainly used to feed the streaming server with reception statistics from the client.The server may then decide to use these statistics (such as the numbers of lost packets, the delay from reception) to adapt its strategy.
RTP (Real-Time Transport Protocol)
Real-time Transport Protocol; is the protocol used to transport the multimedia stream to the client.It sends a packet to the network but cannot warrant that the packet will reach its destination.
RTSP (Real Time Streaming Protocol)
Real-Time Streaming Protocol; is mandated to manage the streaming session.
This is called the Internet Remote Control. It allows the client to know about available streams at a location, get stream parameters...etc. It also allows to PLAY, PAUSE, STOP, just what you generally expect from a remote control.