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Cloud Load Balancer
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    CLB Release Notes

    Last updated: 2024-11-07 14:34:15
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      August 2024

      Update
      Description
      Release Date
      Documentation
      Abundant monitoring indicators and experience optimization
      1. Abundant monitoring indicators: "Other status codes returned by CLB", "number of successful health checks", enhancing business stability and user experience.
      2. Monitoring and alert version iterates and upgrades to SDK 2.0, resolves issues from previous versions, optimizes the display dimensions and forms of the monitoring view, enhancing user experience
      2024-08-30

      April 2024

      Update
      Description
      Release Date
      Documentation
      Domain Upgrade for Public Network CLB Used Domain
      Starting from 00:00:00 on April 15, 2024, the domain for Tencent Cloud's Public Network CLB will undergo an upgrade. After the upgrade, the Tencent Cloud platform will not allow users to directly access using the default domain provided by the platform.
      2024-04-15

      November 2023

      Update
      Description
      Release Date
      Documentation
      HTTPS listeners support configuring National Cryptography Standard Certificates (SM2) or simultaneously configuring National Cryptography Standard Certificates and International Standard Certificates (RSA/ECC)
      Server certificates in SSL parsing for HTTPS listeners support configuring National Cryptography Standard Certificates (SM2) or simultaneously configuring National Cryptography Standard Certificates and International Standard Certificates (RSA/ECC).
      2023-11-15

      October 2023

      Update
      Description
      Release Date
      Documentation
      Overseas regions network fee reductions for traffic billing and instance fees
      From November 15, 2023, in overseas regions, network fees for traffic billing will be reduced by up to 35%, and instance fees will be reduced by up to 50%.
      2023-10-25
      Network Pricing
      Instance Pricing

      June 2023

      Update
      Description
      Release Date
      Documentation
      The price of pay-as-you-go LCU-supported instances reduced by 18%
      Since June 1, 2023, 00:00:00, Beijing Time (UTC+8), the official price for the pay-as-you-go LCU-supported instances has been reduced by 18%.
      2023-06-01
      LCU Fees

      April 2023

      Update
      Description
      Release Date
      Documentation
      Tool for verifying health check source IPs launched
      With the tool for verifying health check source IPs, you can quickly check whether the health check source IPs of CLB instances under your account are within the 100.64.0.0/10 IP range. You can also switch the health check source IPs from the CLB VIP to the IP range 100.64.0.0/10 directly.
      2023-04-21

      January 2023​

      Update
      Description
      Release Date
      Documentation
      Support for RSA and ECC certificates by HTTPS listeners
      HTTPS listeners support the RSA and ECC certificates in SSL parsing, which use different encryption algorithms.
      2023-01-30

      December 2022​

      Update
      Description
      Release Date
      Documentation
      Log sampling
      CLB supports log collection through sampling, to reduce the amount of reported data and reduce costs
      2022-12-28
      Log sampling

      September 2022​

      Update
      Description
      Release Date
      Documentation
      Enabling or disabling CLB instances and listeners
      When a CLB instance is disabled, it cannot receive or forward traffic.
      2022-09-08
      Enabling or disabling CLB instances

      January 2022​

      Update
      Description
      Release Date
      Documentation
      Obtaining real client IPs through TOA
      In hybrid cloud deployment and NAT64 CLB scenarios, layer-4 CLB (only TCP) can obtain the real client IP through TOA.
      2022-01-13

      August 2021​

      Update
      Description
      Release Date
      Documentation
      Cloning CLB instances
      This feature allows you to easily copy the configuration of existing CLB instances, including instance attributes, listeners, security groups, and logs.
      August 11, 2021

      May 2021​

      Update
      Description
      Release Date
      Documentation
      Supports health check logs
      CLB supports configuring layer-4 and layer-7 health check logs to be stored in CLS, reporting logs every minute, and querying logs with multiple rules in real time.
      May 21, 2021

      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

      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.
      2020-12-03
      Overview
      Optimizes health check
      TCP listeners support HTTP health checks and UDP listeners support checking ports.
      December 14, 2020

      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
      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
      Supports hybrid cloud deployment
      CLB instances can be directly bound to IPs of local IDCs.
      September 10, 2020

      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.
      2020-06-29

      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
      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
      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

      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 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
      -

      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

      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.
      2019-10-17
      Access logs can be stored in CLS
      CLB supports storing layer-7 access logs in CLS with online search at 1-minute granularity.
      2019-10-15
      Private network CLB instances support redirection
      Private network layer-7 CLB instances support redirection configurations.
      2019-10-15

      May 2019​

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

      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

      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

      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

      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.
      2018-08-21

      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

      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
      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

      September 2017​

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

      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.
      July 2017

      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
      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

      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

      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

      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

      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
      ​
      
      
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