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Understanding WebRTC Protocol

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Questions and Answers

What is Response Delay (RD) in the context of cloud gaming?

Response delay is the time difference between a user submitting a command and the corresponding in-game action appearing on the screen.

Explain Playout Delay (OD) in the context of cloud gaming.

Playout delay refers to the time required for the client to receive, decode, and render a frame on the display.

How is WebRTC (Web Real-Time Communication) beneficial in cloud gaming?

WebRTC enables audio and video communication to work inside web pages via direct peer-to-peer communication using JavaScript and HTML.

What is the formula for calculating Response Delay (RD) in cloud gaming?

RD = PD + OD + ND, where PD is the processing delay, OD is the playout delay, and ND is the network delay. Signup and view all the answers

Why is minimizing lag important in cloud gaming?

Minimizing lag is essential to enhance the Quality of Experience (QoE) for gamers. Signup and view all the answers

Explain the purpose of RTP Control Protocol (RTCP) in a streaming multimedia session.

RTCP is used to gather statistics on the media connection such as bytes sent, packets sent, lost packets, jitter, feedback, and round trip delay. Signup and view all the answers

What are the components of Mouth-to-Ear (M2E) delay in VoIP?

M2E delay components include sender delays (packetisation, encoding), network delays (propagation, queuing), and receiver delays (NIC, decoding). Signup and view all the answers

How does sender-based RTCP feedback with adaptive codecs improve quality of service in VoIP?

If loss or delay is excessive, it allows switching to a lower bandwidth codec for better performance. Signup and view all the answers

What is the role of jitter buffer in VoIP?

Jitter buffer helps in smoothing out the variation in packet arrival times to reduce jitter during transmission. Signup and view all the answers

Explain the purpose of packet loss strategies in cloud gaming.

Packet loss strategies aim to minimize the impact of lost packets on gameplay by implementing techniques like retransmission or forward error correction. Signup and view all the answers

How does RTCP contribute to improving the quality of service in multimedia streaming?

RTCP gathers data on media connection performance and provides feedback on quality, enabling applications to adjust parameters for better service. Signup and view all the answers

What factors contribute to Mouth-to-Ear (M2E) delay in VoIP calls?

Sender, network, and receiver delays collectively contribute to M2E delay in VoIP communication. Signup and view all the answers

How does jitter impact the quality of VoIP calls?

Jitter causes variations in packet arrival times, leading to disruptions in audio quality and call stability. Signup and view all the answers

Why is adaptive codec selection important in VoIP systems?

Adaptive codecs allow dynamic adjustments based on network conditions, ensuring optimal audio quality even in varying bandwidth situations. Signup and view all the answers

Explain the significance of packet loss mitigation in cloud gaming.

Packet loss mitigation techniques help in preserving the integrity of game data transmission, reducing disruptions and ensuring smooth gameplay. Signup and view all the answers

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