FAQ

What are join.me bandwidth requirements?

Issue

Objective

Environment

Procedure

Answer

join.me bandwidth requirements are discussed in detail in the join.me Architecture Whitepaper.

Actual bandwidth requirements for high-quality screen sharing vary with screen resolution and the content being shared. As a general rule, we recommend at least 1Mbps of bandwidth on both the viewer and presenter side for sustained full-screen animation and shared control (when a participant is remotely controlling the presenter’s screen). Content that changes infrequently (such as a PowerPoint presentation) can be usefully shared on links as weak as a GPRS connection.

This table provides estimates of bandwidth consumption in various scenarios:

What’s being shared

Example

Details

Bandwidth

Small Video

YouTube

360p movie clip, minimal screen block fragmentation

~800kbps

Fullscreen Video

 

1080p movie clip, minimal screen block fragmentation

~2500kbps

Website with various content

Facebook

Heavy scrolling

~800kbps

Website with mostly text

News Site

Mild scrolling

~400kbps

Presentation

PowerPoint

Many images, colors, animations

~800kbps

Presentation

PowerPoint

Mainly bullet points and solid background

~400kbps


Video conference bandwidth considerations

For meetings using video conferencing, this table provides an estimate of bandwidth consumption in various scenarios:

What’s being shared

Resolution

Bandwidth (at 30 FPS)

Screen shared

320 x 240

100 - 500 Kbps

Screen paused (2 participants)

1280 x 720

1.0 - 2.0 Mbps

Screen paused (>2 participants)

640 x 480

0.5 - 1.0 Mbps

VoIP bandwidth considerations

For best results, VoIP (internet calling) needs at least 100kbps of sustained bandwidth available, preferably on a stable, low-latency connection. Network congestion may result in progressively larger audio dropouts until the link is restored.

Cause

Resolution

Additional Information