- Release Notes and Announcements
- Announcements
- Announcement on Optimization of CSS Billing Method Following Policy
- Billing Content Adjustment for Cloud Streaming Services Standard Transcoding and Top Speed Codec Transcoding
- Announcement on the Price Adjustment of CSS Audio/Video Enhancement Feature
- Announcement on the Official Billing for CSS Standby Streams Feature
- CSS to Support H.265 8K and AV1 8K Transcoding
- CSS Adds Support for AV1 Codec and Audio/Video Enhancement
- Notice: CSS to Adjust Prices of Basic Services
- CSS to Adjust Pricing of Third-Party Relay
- Delayed Playback to Become Paid Feature
- Announcements
- User Guide
- Product Introduction
- Purchase Guide
- Billing Overview
- Basic Service Fee
- Value-Added Service Fee
- Live Transcoding (Watermarking, Stream Mixing, subtitles)
- Live Audio and Video Enhancement
- Live Recording
- Time Shifting (New)
- Live Screencapture
- Live Stream Moderation
- Intelligent Porn Detection
- Live Video Caster
- Relay
- Overview of Basic Fees for Value-Added Features
- Delayed Playback
- Standby Streams
- Real-Time Log Shipping
- DRM Encryption
- Prepaid plan
- Purchase Process
- Changing Billing Modes
- Refund Policy
- Viewing Bills
- Renewal
- Processing for Overdue Payments
- Billing FAQs
- Live Video Broadcasting (LVB)
- Live Event Broadcasting (LEB)
- Live Video Caster
- Console Guide
- Console Overview
- Overview
- Domain Management
- Adding Domain Names
- Managing Domain Names
- Push Domain Name Management
- Push Configuration
- Recording Configuration
- Time Shifting Configuration
- Screencapture and Porn Detection Configuration
- Watermark Configuration
- Callback Configuration
- Standby Stream Configuration
- Latency Control
- IP Blocklist/Allowlist Configuration
- Delayed Playback
- Moderation Configuration
- Remote Authentication Configuration
- Playback Domain Name Management
- Playback Configuration
- Playback Authentication Configuration
- Referer Configuration
- Template Configuration
- HTTPS Configuration
- Region Configuration
- Origin Server Configuration
- Bandwidth Cap Configuration
- IP Blocklist/Allowlist Configuration
- Blocking Playback by Protocol
- Latency Control
- HTTP Response Header Configuration
- Access Control by Region Configuration
- Remote Authentication Configuration
- Certificate Management
- Cost Allocation by Tag
- Stream Management
- Package Management
- Feature Configuration
- Relay
- Laboratory
- Billing Usage Statistics
- Monitoring
- Toolkit
- OOTB live
- CAM-Based Access Control
- Feature Guide
- Push and Playback
- Features
- Live Streaming Security
- Global CSS Service
- Callback Notifications
- How to Receive Event Notification
- Stream Pushing Notification
- Recording Event Notification
- Recording Status Event Notification
- Screencapturing Event Notification
- Live Broadcasting Image Audit Event Notification
- Live Streaming Audio Auditing Service Event Notification
- Push Error Event Notifications
- Relay Event Notification
- User Guides for Common Third-Party Tools
- SDK Guide
- API Documentation
- History
- Introduction
- API Category
- Making API Requests
- Monitoring Data Query APIs
- DescribeLiveTranscodeDetailInfo
- DescribeAllStreamPlayInfoList
- DescribeGroupProIspPlayInfoList
- DescribeHttpStatusInfoList
- DescribeLiveDomainPlayInfoList
- DescribeLiveStreamPushInfoList
- DescribePlayErrorCodeDetailInfoList
- DescribePlayErrorCodeSumInfoList
- DescribeProIspPlaySumInfoList
- DescribeProvinceIspPlayInfoList
- DescribeStreamDayPlayInfoList
- DescribeStreamPlayInfoList
- DescribeStreamPushInfoList
- DescribeTopClientIpSumInfoList
- DescribeVisitTopSumInfoList
- Billing Data Query APIs
- Live Transcoding APIs
- Delayed Playback Management APIs
- Domain Name Management APIs
- Watermark Management APIs
- Certificate Management APIs
- Live Stream Mix APIs
- Stream Pulling APIs
- Recording Management APIs
- Time Shifting APIs
- Live Callback APIs
- Screencapturing and Porn Detection APIs
- Authentication Management APIs
- Live Stream Management APIs
- Data Types
- Error Codes
- Ops Guide
- Troubleshooting
- About Pushing
- Playing Method
- Live Streaming Quiz
- FAQs
- SLA
- CSS Policy
- Glossary
- Release Notes and Announcements
- Announcements
- Announcement on Optimization of CSS Billing Method Following Policy
- Billing Content Adjustment for Cloud Streaming Services Standard Transcoding and Top Speed Codec Transcoding
- Announcement on the Price Adjustment of CSS Audio/Video Enhancement Feature
- Announcement on the Official Billing for CSS Standby Streams Feature
- CSS to Support H.265 8K and AV1 8K Transcoding
- CSS Adds Support for AV1 Codec and Audio/Video Enhancement
- Notice: CSS to Adjust Prices of Basic Services
- CSS to Adjust Pricing of Third-Party Relay
- Delayed Playback to Become Paid Feature
- Announcements
- User Guide
- Product Introduction
- Purchase Guide
- Billing Overview
- Basic Service Fee
- Value-Added Service Fee
- Live Transcoding (Watermarking, Stream Mixing, subtitles)
- Live Audio and Video Enhancement
- Live Recording
- Time Shifting (New)
- Live Screencapture
- Live Stream Moderation
- Intelligent Porn Detection
- Live Video Caster
- Relay
- Overview of Basic Fees for Value-Added Features
- Delayed Playback
- Standby Streams
- Real-Time Log Shipping
- DRM Encryption
- Prepaid plan
- Purchase Process
- Changing Billing Modes
- Refund Policy
- Viewing Bills
- Renewal
- Processing for Overdue Payments
- Billing FAQs
- Live Video Broadcasting (LVB)
- Live Event Broadcasting (LEB)
- Live Video Caster
- Console Guide
- Console Overview
- Overview
- Domain Management
- Adding Domain Names
- Managing Domain Names
- Push Domain Name Management
- Push Configuration
- Recording Configuration
- Time Shifting Configuration
- Screencapture and Porn Detection Configuration
- Watermark Configuration
- Callback Configuration
- Standby Stream Configuration
- Latency Control
- IP Blocklist/Allowlist Configuration
- Delayed Playback
- Moderation Configuration
- Remote Authentication Configuration
- Playback Domain Name Management
- Playback Configuration
- Playback Authentication Configuration
- Referer Configuration
- Template Configuration
- HTTPS Configuration
- Region Configuration
- Origin Server Configuration
- Bandwidth Cap Configuration
- IP Blocklist/Allowlist Configuration
- Blocking Playback by Protocol
- Latency Control
- HTTP Response Header Configuration
- Access Control by Region Configuration
- Remote Authentication Configuration
- Certificate Management
- Cost Allocation by Tag
- Stream Management
- Package Management
- Feature Configuration
- Relay
- Laboratory
- Billing Usage Statistics
- Monitoring
- Toolkit
- OOTB live
- CAM-Based Access Control
- Feature Guide
- Push and Playback
- Features
- Live Streaming Security
- Global CSS Service
- Callback Notifications
- How to Receive Event Notification
- Stream Pushing Notification
- Recording Event Notification
- Recording Status Event Notification
- Screencapturing Event Notification
- Live Broadcasting Image Audit Event Notification
- Live Streaming Audio Auditing Service Event Notification
- Push Error Event Notifications
- Relay Event Notification
- User Guides for Common Third-Party Tools
- SDK Guide
- API Documentation
- History
- Introduction
- API Category
- Making API Requests
- Monitoring Data Query APIs
- DescribeLiveTranscodeDetailInfo
- DescribeAllStreamPlayInfoList
- DescribeGroupProIspPlayInfoList
- DescribeHttpStatusInfoList
- DescribeLiveDomainPlayInfoList
- DescribeLiveStreamPushInfoList
- DescribePlayErrorCodeDetailInfoList
- DescribePlayErrorCodeSumInfoList
- DescribeProIspPlaySumInfoList
- DescribeProvinceIspPlayInfoList
- DescribeStreamDayPlayInfoList
- DescribeStreamPlayInfoList
- DescribeStreamPushInfoList
- DescribeTopClientIpSumInfoList
- DescribeVisitTopSumInfoList
- Billing Data Query APIs
- Live Transcoding APIs
- Delayed Playback Management APIs
- Domain Name Management APIs
- Watermark Management APIs
- Certificate Management APIs
- Live Stream Mix APIs
- Stream Pulling APIs
- Recording Management APIs
- Time Shifting APIs
- Live Callback APIs
- Screencapturing and Porn Detection APIs
- Authentication Management APIs
- Live Stream Management APIs
- Data Types
- Error Codes
- Ops Guide
- Troubleshooting
- About Pushing
- Playing Method
- Live Streaming Quiz
- FAQs
- SLA
- CSS Policy
- Glossary
CSS allows you to set a bandwidth cap for your playback domain. In the acceleration region of your domain, if the peak downstream bandwidth in a reference period hits the cap you set, a 403 error will be returned to playback requests. This feature is disabled by default.
Note:
If the bandwidth cap configuration is enabled, the scanning granularity is 5 minutes. If there is a sudden increase in usage within a short period of time, the previous scan may not have triggered the threshold, and the next scan may directly exceed the threshold. In this scenario, there will be a certain delay (approximately 5 minutes) in the access interception operation, and the consumption during this period will be billed normally.
Prerequisites
You have logged in to the CSS console.
You have added a playback domain name.
Limits
Acceleration Region | Default Bandwidth Capping Region | Remarks |
Chinese mainland | Chinese mainland | You can only set a cap for the Chinese mainland. |
Outside the Chinese mainland | Outside the Chinese mainland | You can only set a cap for outside the Chinese mainland. |
Global acceleration | Global acceleration | You can set different caps for inside and outside the Chinese mainland. You can also set a global cap. |
Configuring Bandwidth Cap
1. Go to Domain Management. Click the name of your playback domain or Manage on the right.
2. Select Advanced Configuration > Bandwidth cap configuration to view the Bandwidth cap configuration tab.
3. Click Edit in the upper-right corner of the tab to enter the bandwidth cap configuration page.
4. Click 
Note:
After the bandwidth threshold for global acceleration is configured, it will take effect preferentially.
4.1 After the bandwidth cap is enabled, proceed with the following configuration:
Bandwidth Threshold
Valid Region is determined based on the acceleration region type of the playback domain name. For related configuration rules, refer to Limits.
Fill in the bandwidth threshold based on your actual business needs. Choose the threshold unit as Mbps, Gbps, or Tbps.
5. Click 
5.1 After the alert threshold is enabled, set the alert threshold percentage based on your actual business needs. When the access bandwidth/bandwidth threshold reaches the alert threshold, the system will alert you through the Message Center and other methods.
6. Click Save.
Note:
The conversion factor between the bandwidth units is 1,000: 1 Tbps = 1,000 Gbps; 1 Gbps = 1,000 Mbps.
If you change the acceleration region for your domain, you need to configure the bandwidth cap again.
The default alert threshold is 80% of the bandwidth cap. Value range: 0-100.
Disabling Bandwidth Cap
1. Go to Domain Management. Click the name of your playback domain or Manage on the right.
2. Select the Advanced Configuration tab to view the Bandwidth cap configuration tab.
3. Click Edit in the upper-right corner of the tab to enter the bandwidth cap configuration page.
4. Click 
5. Click Save.
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