CLB Release Notes

Last updated: 2021-04-13 17:35:48

    January 2021

    Update Description Release Date Documentation
    Supports binding CLB instances with SCF functions CLB instances support binding with SCF functions, enabling more convenient and cost-effective public network access for SCF. January 28, 2021 Binding with SCF

    December 2020

    Update Description Release Date Documentation
    Supports static single-line IP CLB instances In some districts, the ISP of CLB instances can be China Mobile, China Unicom, or China Telecom, and the bandwidth price is lower than the general BGP IP price. December 3, 2020 Overview
    Optimizes health check TCP listeners support HTTP health checks and UDP listeners support checking ports. December 14, 2020 Health Check

    September 2020

    Update Description Release Date Documentation
    Fully supports custom layer-7 configurations on CLB instances CLB fully supports setting the layer-7 configuration parameters of CLB instances. September 22, 2020 Custom Configurations of CLB Instances
    CLB cross-region binding 2.0 CLB supports binding CVM instances across regions through CCN, allowing you to select CVM instances of different regions and bind to them across VPCs or regions. September 10, 2020 Cross-region Binding v2.0 (New)
    Supports hybrid cloud deployment CLB instances can be directly bound to IPs of local IDCs. September 10, 2020 Hybrid Cloud Deployment

    August 2020

    Update Description Release Date Documentation
    CLB supports traffic packs For bill-by-traffic CLB instances purchased with a bill-by-IP account, traffic packs have been used preferentially for billing since 12:00:00 on August 26, 2020. August 26, 2020 Product Overview

    June 2020

    Update Description Release Date Documentation
    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

    May 2020

    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 CLB Security Group Configuration
    Supports "Allow Traffic by Default" on security groups After "Allow Traffic by Default" is enabled, client IPs 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 CLB Security Group Configuration
    Updates the default domain name policy for layer-7 listeners 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 Layer-7 Domain Name Forwarding and URL Rules

    April 2020

    Update Description Release Date Documentation
    Deactivates the feature for storing CLB access logs in COS 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 has been officially deactivated in all regions since June 30, 2020 00:00:00. To use the updated feature, please see Storing Access Logs in CLS. April 21, 2020 Announcement on the Deactivation of the Feature of Storing CLB Access Logs in COS

    November 2019

    Update Description Release Date Documentation
    Shared bandwidth package is supported for CLB instances IP bandwidth package is supported for CLB instances of bill-by-IP accounts. November 20, 2019 Bandwidth Package - Product Overview

    October 2019

    Update Description Release Date Documentation
    Supports IPv6
  • IPv6 CLB can be bound to the IPv6 address of a CVM instance and provides an IPv6 VIP address.
  • A CLB instance using the IPv6 single-stack technology can collaborate with IPv4 CLB to implement IPv6/IPv4 dual-stack communication.
  • October 17, 2019 Creating IPv6 CLB Instance
    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 instances support redirection Private network layer-7 CLB instances support redirection configurations. October 15, 2019 Configuring Layer-7 Redirection

    May 2019

    Update Description Release Date Documentation
    Supports tag authentication CLB supports tag-based permission management. May 7, 2019 Tag - Product Overview

    April 2019

    Update Description Release Date Documentation
    Supports binding ENIs 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

    November 2018

    Update Description Release Date Documentation
    Supports Anycast CLB Anycast CLB supports dynamic acceleration in multiple regions. The CLB VIP is published in multiple regions, and the client connects to the nearest POP, the traffic can be forwarded to a CVM instance through the high-speed Internet of Tencent Cloud IDC. November 27, 2018 Creating an Anycast Instance
    Supports IPv6 NAT64 An IPv6 NAT64 CLB instance can be created. The 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

    October 2018

    Update Description Release Date Documentation
    Supports TCP SSL protocol 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

    August 2018

    Update Description Release Date Documentation
    Supports SNI CLB supports multi-domain SNI certificate to configure different certificates for domain names under one listener. August 21, 2018 SNI Support for Binding Multiple Certificates to a CLB Instance

    April 2018

    Update Description Release Date Documentation
    Supports security groups Public network CLB can be bound with security groups to control and isolate inbound and outbound traffic. April 15, 2018 CLB Security Group Configuration

    March 2018

    Update Description Release Date Documentation
    Supports custom layer-7 configurations on CLB instances CLB supports setting the layer-7 configuration parameters of CLB instances. March 27, 2018 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 Access Logs in COS

    September 2017

    Update Description Release Date Documentation
    Supports cross-region binding You can select and bind real servers across VPCs and regions. September 2017 CLB Instance Cross-Region Binding

    June 2017

    Update Description Release Date Documentation
    Supports CAM authentication 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

    April 2017

    Update Description Release Date Documentation
    Supports layer-7 redirection 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 Load Balancing Methods

    November 2016

    Update Description Release Date Documentation
    Supports layer-7 domain name and URL forwarding 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

    April 2016

    Update Description Release Date Documentation
    Supports layer-7 HTTP and HTTPS protocols 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 CLB Listeners - Overview

    April 2015

    Update Description Release Date Documentation
    Supports VPC A Virtual Private Cloud (VPC) is a custom logically isolated network space in Tencent Cloud. CLB instances in VPC can help you deploy and isolate services flexibly. April 2015 Virtual Private Cloud

    December 2014

    Update Description Release Date Documentation
    Releases Cloud Load Balancer 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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