Programmable Video Limits
概要
The Programmable Video service operates within certain limits that ensure a smooth and consistent operation. Some of these limits are account based and can be increased on request, whereas others are system wide and independent of the account.
Room and Participant System Limits
The following table illustrates the standard limits of the different Twilio Rooms:
| Go Room | P2P Room | Small Group Room | (Regular) Group Room | |
|---|---|---|---|---|
| Max Participants | 2 | 31 | 4 | 50 |
| Max Participant Duration | 4 hours | 4 hours | 4 hours | 4 hours |
| Max Room Duration | 24 hours | 24 hours | 24 hours | 24 hours |
| TURN usage | Limited2 | 無制限 | 無制限 | 無制限 |
1Can support up to 10 audio-only participants, but max 3 participants recommended when video is published
2Participant minutes are FREE and 25 GB of TURN server usage per month is included
The following limits are independent of the Room type:
| 値 | |
|---|---|
| Max Room Name | 128 characters |
| Max Participant Identity | 128 characters |
| Max Track Name | 128 characters |
Room and Participant Account based limits
WebRTC Go rooms are limited to 100 concurrent rooms or participants per account.
The following table describes the default values for account based limits for all other room types:
| Default Value1 | 注釈 | |
|---|---|---|
| Max Concurrent Rooms | 2000 | Maximum Rooms that can be in-flight at the same time |
| Max Concurrent Participants | 2000 | Maximum Participants that can be connected to your Rooms at the same time |
| Max REST API Read Requests per second | 80 | Maximum Read requests, e.g get Room, get list of Participants, etc. |
| Max REST API Write Requests per second | 20 | Maximum Write requests, e.g create Room, update Participant, etc. |
1Contact sales for more information or to request an override.
Room Track Limits
Participant Bandwidth Limits
The following describes bandwidth limits for each Participant in a Room:
| Go Room | P2P Room | Small Group Room | (Regular) Group Room | |
|---|---|---|---|---|
| Publisher Bandwidth per Participant | ∞ | ∞ | 20,000 Kbps | 20,000 Kbps |
| Subscription Bandwidth per Participant | ∞ | ∞ | 4,000 Kbps | 4,000 Kbps |
Recommended Track Limits per Room
The following describes the recommended limit of total tracks by media type per Room:
| Go Room | P2P Room | Small Group Room | (Regular) Group Room | |
|---|---|---|---|---|
| Max Audio Track Publications per Room | 4 | 6 | 6 | 60 |
| Max Video Track Publications per Room | 4 | 6 | 8 | 60 |
| Max Data Track Publications per Room | 2 | 3 | 4 | 50 |
Recommended Track Limits per Participant
The following describes the recommended limit of subscribed tracks per Participant:
| Go Room | P2P Room | Small Group Room | (Regular) Group Room | |
|---|---|---|---|---|
| Max Audio Track Subscriptions per Participant | 2 | 4 | 6 | 60 |
| Max Video Track Subscriptions per Participant | 4 | 8 | 81 | 601 |
| Max Data Track Subscriptions per Participant | 1 | 2 | 3 | 49 |
1While it is possible to subscribe to many video tracks it is recommended that you limit the number of subscribed video tracks that receive media by specifying maxTracks when connecting to a Room using the network bandwidth profile.
The following describes the recommended limit of published tracks per Participant:
| Go Room | P2P Room | Small Group Room | (Regular) Group Room | |
|---|---|---|---|---|
| Max Audio Track Publications per Participant | 2 | 2 | 2 | 2 |
| Max Video Track Publications per Participant | 4 | 4 | 6 | 6 |
| Max Data Track Publications per Participant | 1 | 1 | 1 | 1 |
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