| Update | Description | Release Date | Documentation |
|---|---|---|---|
| CLB supports the QUIC protocol | Layer-7 HTTPS listeners support the QUIC protocol to establish a QUIC connection between clients and CLB instances. | June 29, 2020 | Using QUIC Protocol on CLB |
| Update | Description | Release Date | Documentation |
|---|---|---|---|
| Security groups can be bound to private network CLB instances | Security groups can be bound to private network CLB instances to isolate private network traffic. | May 27, 2020 | Configuring a CLB Security Group |
| “Allow by Default” is enabled in security group | After “Allow by Default” is enabled, client IP and service ports to the Internet do not need to be opened in the backend CVM security group. Access traffic from a CLB instance only needs to pass through the CLB security group, while the backend CVM allows CLB traffic by default and does not need to open any ports. | May 27, 2020 | Enabling “Allow by Default” in security group |
| The default domain name policy for Layer-7 listeners is updated | The default domain name is changed from optional to required for Layer-7 listeners. Each listener must and can only have one default domain name configured. | May 15, 2020 | Default Domain Name Policy for Forwarded Domain Name |
| Update | Description | Release Date | Documentation |
|---|---|---|---|
| The feature for storing CLB access logs in COS is deactivated | You can no longer store new access logs in COS after May 15, 2020 00:00:00, (or after April 26, 2020 00:00:00 in the Guangzhou region). The feature will be officially deactivated in all regions on June 30, 2020 00:00:00. To use the updated feature, seeStoring Access Logs in CLS. | April 21, 2020 | Announcement on the Deactivation of the Feature for Storing CLB Access Logs in COS |
| Update | Description | Release Date | Documentation |
|---|---|---|---|
| CLB can be added to a bandwidth package | A CLB instance under the bill-by-IP account can be added to the IP bandwidth package. | November 20, 2019 | Bandwidth Package - Product Overview |
| Update | Description | Release Date | Documentation |
|---|---|---|---|
| IPv6 is supported | October 17, 2019 | Creating IPv6 CLB Instances | |
| Access logs can be stored in CLS | CLB supports storing Layer-7 access logs in CLS with online search at 1-minute granularity. | October 15, 2019 | Storing Access Logs in CLS |
| Private network CLB supports redirection | Private network Layer-7 CLB supports configuring redirection. | October 15, 2019 | Configuring Layer-7 Redirection |
| Update | Description | Release Date | Documentation |
|---|---|---|---|
| Tag authentication is supported | CLB supports tag-based permission management. | May 7, 2019 | Tag - Product Overview |
| Update | Description | Release Date | Documentation |
|---|---|---|---|
| ENIs can be bound | CLB can be bound with ENIs to forward traffic to the corresponding private IPs of ENIs on the same CVM instance. | April 30, 2019 | Binding an ENI |
| Update | Description | Release Date | Documentation |
|---|---|---|---|
| Anycast CLB is supported | Anycast CLB supports global dynamic acceleration. CLB VIP is published in multiple regions around the world. The client connects to the nearest POP and forwards traffic to a CVM instance through the high-speed internet of Tencent Cloud IDC. | November 27, 2018 | Creating an Anycast Instance |
| IPv6 NAT64 is supported | An IPv6 NAT64 CLB instance can be created. CLB VIP is an IPv6 public IP address, which will forward requests from IPv6 clients to the backend IPv4 CVM instance so that the real server can access IPv6 within seconds with no modification required. | November 15, 2018 | Creating IPv6 NAT64 CLB Instances |
| Update | Description | Release Date | Documentation |
|---|---|---|---|
| TCP SSL protocol is supported | CLB supports the TCP SSL protocol, which is suitable for scenarios that require ultra-high performance and large-scale TLS offloading. | October 12, 2018 | Configuring a TCP SSL Listener |
| Update | Description | Release Date | Documentation |
|---|---|---|---|
| SNI is supported | CLB supports multi-domain SNI certificate to configure different certificates for domain names under one listener. | August 21, 2018 | Multi-domain SNI Certificate Supported by CLB |
| Update | Description | Release Date | Documentation |
|---|---|---|---|
| Security group is supported | Public network CLB can be bound with security groups to control and isolate inbound and outbound traffic. | April 15, 2018 | Configuring a CLB Security Group |
| Update | Description | Release Date | Documentation |
|---|---|---|---|
| CLB supports Layer-7 custom configuration | CLB supports configuring Layer-7 parameters. | March 27, 2018 | Layer-7 Custom Configurations of CLB Instances |
| Access logs can be stored in COS | Public network Layer-7 CLB supports storing access logs in COS to facilitate analysis and troubleshooting. | March 2018 | Storing Request Logs in COS |
| Update | Description | Release Date | Documentation |
|---|---|---|---|
| Cross-region binding is supported | You can select and bind real servers across VPCs and regions. | September 2017 | Cross-Region Binding of CLB Instances |
| Update | Description | Release Date | Documentation |
|---|---|---|---|
| CAM authentication is supported | Cloud Access Management (CAM) is used to manage access permissions for resources under Tencent Cloud accounts. You can use identity management and policy management to control which sub-accounts can access CLB resources. | June 2017 | Cloud Access Management - Overview |
| Update | Description | Release Date | Documentation |
|---|---|---|---|
| Layer-7 redirection is supported | You can configure redirection on Layer-7 HTTP/HTTPS listeners, such as redirection from HTTP to HTTPS. | April 8, 2017 | Configuring Layer-7 Redirection |
| Weighted least-connection scheduling is supported for round robin algorithms | The weighted least-connection scheduling is based on the processing capabilities and weights of real servers to balance loads. | April 8, 2017 | Weighted Least-Connection Scheduling |
| Update | Description | Release Date | Documentation |
|---|---|---|---|
| Layer-7 domain name and URL forwarding are supported | CLB supports Layer-7 HTTP/HTTPS protocols to provide flexible forwarding capabilities based on domain names and URL paths. | November 2016 | Layer-7 Domain Name Forwarding and URL Rules |
| Update | Description | Release Date | Documentation |
|---|---|---|---|
| Layer-7 HTTP and HTTPS protocols are supported | Layer-7 HTTP and HTTPS protocols are application layer protocols. Layer-7 listeners support session persistence based on cookies and health check based on HTTP return codes. | April 2016 | Layer-7 Listener |
| Update | Description | Release Date | Documentation |
|---|---|---|---|
| VPC is supported | A Virtual Private Cloud (VPC) is a logically isolated network space in Tencent Cloud. CLB instances in VPC can help you deploy and isolate services flexibly. | April 2015 | Virtual Private Cloud |
| Update | Description | Release Date | Documentation |
|---|---|---|---|
| CLB has been released | CLB provides secure and fast traffic distribution services. It can seamlessly allocate the load balancing capacity required for application traffic, and automatically distribute application access traffic among CVM instances in the cloud to enhance fault tolerance. | December 2014 | Cloud Load Balancer |
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