Roger Allen, Principal Architect, GRID Architecture NVIDIA GRID & GAMESTREAM.

Roger Allen, Principal Architect, GRID Architecture

NVIDIA GRID & GAMESTREAM

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1 GRID & Gamestream Overview

2 System Walkthrough

3 Video Streaming & QoS

4 SHIELD Android TV Demo

AGENDA

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GRID & Gamestream Overview

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NVIDIA GAMESTREAM

High performance PC Gaming

Optimized SHIELD devices

Low latency streaming technology

Hundreds of Games

On your LAN or Roaming

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NVIDIA GRID

High performance PC Gaming

Optimized SHIELD devices

Low latency streaming technology

Scalable and reliable cloud service

60 games and growing

Free for now, paid service soon

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System Walkthrough

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SERVER

Your PC

-or for GRID-

Amazon Web Service g2.8xlarge Instances

2 GRID K520 Boards, 4 GK104 GPUs, 4GB/GPU

H.264 Video Hardware Encode (NVENC)

2 Intel Xeon E5-2670 (32 vCPU) 60GiB

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SERVER COMPARISON

Netflix, YouTube Gamestream

Server Load/Stream Low High

Stream Type Pre-recorded Interactive

Buffering Yes No

Reliable Network Protocols Yes No

Encoding Pre-encoded Realtime

Latency High Low

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SHIELD CLIENTS

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CONNECTING CLIENT & SERVER

Discovery

Control

Streaming

Select Conten

t

Start Game Start

Session

Stream Conten

t

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NETWORK

Benchmark Required Recommended

Bandwidth (Mbps) 1080p60

> 24.4 > 47.4

720p60 > 11.6 > 21.9

720p30 > 7.1 > 12.8

540p30 > 4.6 > 7.8

Frame loss (%) < 10 < 1

Jitter (ms) < 150 < 50

Ping (ms) < 150 < 60

Wireless 5GHz Wi-Fi 802.11AC/N Router List at http://shield.nvidia.com/routers

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OVERVIEW

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Video Streaming & Quality of Service

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Low Latency RenderingLow Latency Capture

NICFEC RTPProcessCapture H264 FEC-1RTP-1NIC H264-1 Render

VIDEO STREAM

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QOS: BANDWIDTHEstimate bandwidth and react to changes immediately

Predictive vs Reactive

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10

8

6

4

2

0

Mbps

Bandwidth W/O Estimator With Estimator

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QOS: JITTER

0 1 2 3 4 5 6 7 8Tx(server)

Rx(client)

Display(client)

time

delay = higher latency but smooth playback

0 1 2 3 4 5 6 7 8

0 1 2 3 4 5 6 7 8

no delay = low latency but stutters

0 1 2 3 4 5 6 7 8Display(client)

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QOS: FRAME LOSS

0 1 2 3 4 5 6 7 8Tx(server)

Rx(client)

time

0 1 3 4 5 6 7 8

0 1 6 7 8Display(client)

lost

concealed frames

3 4 5

micro-stutter

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VIDEO STREAM

Low Latency Rendering

QoS DataRecovery

Quality Control

Bandwidth Estimator

HandlingData Loss

Low Latency Capture

NICFEC RTPProcessCapture H264 FEC-1RTP-1NIC H264-1 Render

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SHIELD Android TV Demo

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SUMMARY

GRID & Gamestream Overview

System Walkthrough

Video Streaming & QoS

SHIELD Android TV Demo

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Thank you