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Creating CLB Instances

Last updated: 2022-01-23 16:58:49

    Tencent Cloud allows you to purchase a CLB instance on the official purchase page or via API. The two methods are detailed below:

    Purchasing at Official Website

    You can purchase a CLB instance on the Tencent Cloud official website. There are two types of Tencent Cloud accounts, namely the bill-by-IP accounts and bill-by-CVM accounts. The accounts created after 00:00:00 on June 17, 2020 (Beijing time) are of the bill-by-IP type. If you have created your account before that time, you can check your account type in the console as instructed in Checking Account Type.

    1. Log in to the CLB purchase page.

    2. Select the following CLB configuration items as needed:

      Bill-by-IP account

      展开&收起
      ParameterDescription
      Billing ModePay-as-You-Go billing is supported.
      RegionSelect a region. For more information on the regions supported by CLB, see Region List.
      Instance TypeOnly the CLB instance type is supported. Starting from October 20, 2021, classic CLB instances can no longer be purchased. For more information, see Classic CLB End-of-Sale Notice.
      Network TypeThere are two network types: public network and private network. For more information, see Network Types.
      • Public network: CLB is used to distribute requests from the public network.
      • Private network: CLB is used to distribute requests from the Tencent Cloud private network. A private network instance doesn't support the following configuration items and doesn't display them by default: EIP, IP Version, ISP Type, Instance Specification, Network Billing Mode, and Bandwidth Cap.
      The supported network types vary by billing mode:
      • In pay-as-you-go billing mode, both the public and private network types are supported.
      EIP
      • If EIP is not selected, Tencent Cloud will assign you a public network CLB instance whose public IP cannot be changed.
      • If EIP is selected, Tencent Cloud will assign you an EIP and a private network CLB instance, which has the similar features of public network CLB (only pay-as-you-go public network CLB instances allow you to select an EIP).
      This feature is currently in beta test. To use it, submit a ticket for application. For the use limits, see Use Limits.
      IP VersionThe following CLB IP versions are supported: IPv4, IPv6, and IPv6 NAT64. Only pay-as-you-go instances support the IPv6 version. For more information on other restrictions, see IP Versions.
      NetworkCLB supports classic network and VPC.
      • The classic network is a public network resource pool for all Tencent Cloud users. The private IPs of all CVMs are assigned by Tencent Cloud. You cannot customize IP ranges or IP addresses.
      • By contrast, the VPC is a logically isolated network space in Tencent Cloud. In a VPC, you can customize IP ranges, IP addresses, and routing policies.
      Between the two options, VPC is more suitable for scenarios requiring custom network configurations, and the classic network product will be officially discontinued on December 31, 2022. We recommend you select VPC.
      ISP TypeThe following ISP types are supported: BGP, China Mobile, China Telecom, and China Unicom.
      • In pay-as-you-go billing mode, all of the above four options are supported.Currently, the static single-line IP is supported only in Guangzhou, Shanghai, Nanjing, Jinan, Hangzhou, Fuzhou, Beijing, Shijiazhuang, Wuhan, Changsha, Chengdu, and Chongqing. For its support in other districts, see the console. If you want to try it out, contact the sales rep for application. Once you are accepted, you can select an ISP (China Mobile, China Unicom, or China Telecom) on the purchase page.
      Primary/Secondary Availability ZoneThe primary availability zone (AZ) is an AZ that currently sustains the traffic. The secondary AZ doesn't sustain traffic by default and will be used only when the primary AZ is unavailable. Currently, only IPv4 CLB instances in the Guangzhou, Shanghai, Nanjing, Beijing, Hong Kong (China), and Seoul regions support primary/secondary AZs.
      Instance SpecificationShared and LCU-supported instances are supported.
      • Multiple shared instances share resources, and a single instance doesn't provide guaranteed performance. By default, all instances are shared instances.
      • An LCU-supported instance guarantees the performance and doesn't preempt resources like a shared instance. Its forwarding performance is not affected by other instances. A single instance can sustain up to 1 million concurrent connections, 100,000 new connections per second, and 50,000 queries per second. Currently, the LCU-supported specification is in beta. To use it, submit a ticket for application.
      Network Billing ModeThe following network billing modes are supported: bill-by-bandwidth (monthly subscription and hourly bandwidth), bill-by-traffic, and bandwidth package.
      • A pay-as-you-go instance supports three network billing modes: bill-by-bandwidth (hourly bandwidth), bill-by-traffic, and bandwidth package. Currently, the bandwidth package billing mode is in beta. To use it, submit a ticket for application.
      Bandwidth CapValue range: 1–1024 Mbps.
      ProjectSelect a project.
      TagSelect a tag key and value. You can also create a tag as instructed in Creating Tags and Binding Resources.
      Instance NameThe name can contain up to 60 letters, digits, hyphens, underscores, and dots. If it is not specified, a name will be automatically generated by default.

      Bill-by-CVM account

      展开&收起
      ParameterDescription
      Billing ModeOnly pay-as-you-go billing is supported.
      RegionSelect a region. For more information on the regions supported by CLB, see Region List.
      Instance TypeOnly the CLB instance type is supported. Starting from October 20, 2021, classic CLB instances can no longer be purchased. For more information, see Classic CLB End-of-Sale Notice.
      Network TypeThere are two network types: public network and private network. For more information, see Network Types.
      • Public network: CLB is used to distribute requests from the public network.
      • Private network: CLB is used to distribute requests from the Tencent Cloud private network. A private network instance doesn't support the following configuration items and doesn't display them by default: IP Version, ISP Type, and Instance Specification.
      IP VersionThe following CLB IP versions are supported: IPv4, IPv6, and IPv6 NAT64. For more information on the use limits, see IP Versions.
      NetworkCLB supports classic network and VPC.
      • The classic network is a public network resource pool for all Tencent Cloud users. The private IPs of all CVMs are assigned by Tencent Cloud. You cannot customize IP ranges or IP addresses.
      • By contrast, the VPC is a logically isolated network space in Tencent Cloud. In a VPC, you can customize IP ranges, IP addresses, and routing policies.
      Between the two options, VPC is more suitable for scenarios requiring custom network configurations, and the classic network product will be officially discontinued on December 31, 2022. We recommend you select VPC.
      ISP TypeThe following ISP types are supported: BGP, China Mobile, China Telecom, and China Unicom.
      Currently, the static single-line IP is supported only in Guangzhou, Shanghai, Nanjing, Jinan, Hangzhou, Fuzhou, Beijing, Shijiazhuang, Wuhan, Changsha, Chengdu, and Chongqing. For its support in other districts, see the console. If you want to try it out, contact the sales rep for application. Once you are accepted, you can select an ISP (China Mobile, China Unicom, or China Telecom) on the purchase page.
      Instance SpecificationShared and LCU-supported instances are supported.
      • Multiple shared instances share resources, and a single instance doesn't provide guaranteed performance. By default, all instances are shared instances.
      • An LCU-supported instance guarantees the performance and doesn't preempt resources like a shared instance. Its forwarding performance is not affected by other instances. A single instance can sustain up to 1 million concurrent connections, 100,000 new connections per second, and 50,000 queries per second. Currently, the LCU-supported specification is in beta. To use it, submit a ticket for application.
      ProjectSelect a project.
      TagSelect a tag key and value. You can also create a tag as instructed in Creating Tags and Binding Resources.
      Instance NameThe name can contain up to 60 letters, digits, hyphens, underscores, and dots. If it is not specified, a name will be automatically generated by default.
    3. After completing the above configuration, confirm the quantity and fees and click Buy Now.

      • Pay-as-You-Go billing mode: in the Confirm pop-up window, click OK.
    4. After successful purchase, CLB will be activated and you can configure and use the CLB instance.

    Shared instance purchase method

    1. Log in to the CLB purchase page.
    2. Set the shared instance configuration items by referring to the steps in Purchasing at Official Website and select Shared for Instance Specification.
    3. Complete the subsequent operations by referring to the steps in Purchasing at Official Website.

    LCU-Supported instance purchase method

    1. Log in to the CLB purchase page.

    2. Set the LCU-supported instance configuration items by referring to the steps in Purchasing at Official Website and select LCU-supported for Instance Specification.

    3. Complete the subsequent operations by referring to the steps in Purchasing at Official Website.

    Purchasing via API

    To purchase a CLB instance via API, see CreateLoadBalancer.

    Subsequent Operations

    Relevant Documentation

    Product Attribute Selection

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