Before you use Global Accelerator (GA), you must purchase a GA instance and a basic bandwidth plan. You can purchase a service bundle that is recommended by GA. You can also purchase GA resources based on your requirements.

Purchase a service bundle recommended by GA

We recommend that you purchase a service bundle that is recommended by GA. You can enter the information about the service that you want to accelerate on the GA introduction page. After you enter the information, the system generates a list of recommended services. You can purchase a GA service bundle that includes the recommended GA instance and basic bandwidth plan. For more information, see Purchase guide.

Select and purchase GA resources based on your business requirements

You can refer to the following content if you want to purchase a GA instance and a basic bandwidth plan based on your business requirements: For more information about the specifications of GA instances and basic bandwidth plans, see Limits on bandwidth plans.

GA instance types and specifications

  • GA instance types
    GA instance type Scenario Description
    Basic You can use basic GA instances to accelerate content delivery at Layer 3 (IP protocols). To implement the acceleration, you need to only specify an acceleration area and an endpoint group.
    • You do not need to select the type of accelerated IP address and instance specification.
    • You can associate only subscription basic bandwidth plans with basic GA instances. The bandwidth type of the basic bandwidth plans must be Standard or Premium. You can specify only Classic Load Balancer (CLB) instances that are deployed in virtual private clouds (VPCs) or secondary elastic network interfaces (ENIs) as endpoints.
    Standard You can use standard GA instances to accelerate content delivery at Layer 4 (TCP and UDP) and Layer 7 (HTTP and HTTPS).
    • You need to select the type of accelerated IP address and instance specification.
    • All available types of basic bandwidth plans and multiple endpoints are supported.
  • GA instance specifications
    Specification Number of acceleration regions Maximum bandwidth Maximum number of concurrent connections
    Small1 1 20 Mbps 5,000
    Small Ⅱ 2 40 Mbps 10,000
    Small Ⅲ 3 60 Mbps 15,000
    Medium Ⅰ 5 100 Mbps 25,000
    Medium Ⅱ 8 160 Mbps 40,000
    Medium Ⅲ 10 200 Mbps 50,000
    Large Ⅰ All regions

    For more information about the acceleration areas and Alibaba Cloud regions that are supported by GA, see Acceleration areas and regions.

    400 Mbps 100,000
    Large Ⅱ 600 Mbps 150,000
    Large Ⅲ 800 Mbps 200,000
    Large Ⅳ 1 Gbps 250,000
    Large Ⅴ 1.2 Gbps 300,000
    Large Ⅵ 1.4 Gbps 350,000
    Large Ⅶ 1.6 Gbps 400,000
    Large Ⅷ 1.8 Gbps 450,000
    Super Large Ⅰ 2 Gbps 500,000
    Super Large Ⅱ 4 Gbps 1,000,000
    Note By default, the Large Ⅲ specification and higher specifications are not available. To use these specifications, submit a ticket.
  • Accelerated IP addresses
    Type Description Supported access point Feature Scenario
    EIP The custom access mode is used. You must specify an acceleration area.

    You can select acceleration areas and regions based on your business requirements. GA allocates a separate EIP to each acceleration region.

    For more information about the acceleration areas and Alibaba Cloud regions that are supported by GA, see Acceleration areas and regions.
    • Advantages: Different accelerated IP addresses are provided for clients based on network latency after the client requests are resolved by using the Alibaba Cloud DNS service. This ensures that the optimal routes are used.
    • Disadvantages: The configuration and maintenance are complex. You need to specify acceleration areas and allocate bandwidth based on your business requirements. Static IP addresses cannot be used to provide services.
    You can use EIPs to accelerate applications whose users are located in specific regions. This provides a consistent experience for users that use the acceleration service. Example: SaaS applications and live streaming applications.
    Anycast EIP The automatic access mode is used. You do not need to specify an acceleration area.

    You do not need to specify an acceleration area. GA allocates an Anycast EIP to multiple regions across the globe. Users can connect to the nearest access point of the Alibaba Cloud global transmission network by sending requests to the Anycast EIP.

    The acceleration service is dependent on the access points that are supported by Anycast EIP. You can use Anycast EIPs to accelerate content delivery for clients outside the Chinese mainland. To accelerate content delivery for clients in the Chinese mainland by using Anycast EIPs, you must specify China (Hong Kong) as the acceleration region. For more information, see Access point locations.
    • Advantages: You do not need to specify acceleration areas and regions. Clients can automatically connect to the nearest access point, which greatly reduces O&M workloads. If you need to add or delete acceleration regions to meet business requirements, or if an acceleration region is unavailable, the accelerated IP address remains unchanged. You do not need to modify the business system.
    • Disadvantages: Clients can connect only to access points that are supported by Anycast EIPs. The quality of acceleration service depends on the Internet Service Provider (ISP).
    Anycast EIPs are suitable for applications that use the same static IP address to provide services and do not have requirements on the regions where the clients are located. Example: online multiplayer games that use a global server architecture, cross-border e-commerce applications, and web applications.
    Note
    • By default, you cannot specify Anycast EIPs as accelerated IP addresses. If you want to use Anycast EIPs, submit a ticket.
    • If you use Anycast EIPs, the GA instances and basic bandwidth plans must meet the following requirements:
      • GA instances: You must select standard GA instances whose specifications are Large Ⅰ or higher.
      • Basic bandwidth plans: You must select pay-by-data-transfer basic bandwidth plans whose bandwidth types are Premium. By default, you cannot use pay-by-data-transfer basic bandwidth plans. If you want to use pay-by-data-transfer basic bandwidth plans, submit a ticket.

Types and specifications of basic bandwidth plans

The following bandwidth types are supported by basic bandwidth plans: standard, enhanced, and premium. The following table shows that the acceleration type, accelerated backend service, and acceleration scope of a basic bandwidth plan vary based on the bandwidth type.
Bandwidth type Acceleration type Accelerated backend service Acceleration scope
Basic Applications that are deployed on Alibaba Cloud
  • Public IP addresses provided by Alibaba Cloud
  • Elastic Compute Service (ECS)
  • Classic Load Balancer (CLB) (formerly known as SLB)
  • Application Load Balancer (ALB)
  • Object Storage Service (OSS)
  • Secondary elastic network interface (ENI) (supported only by basic GA instances)
By default, the acceleration region and the region where the backend service is deployed are located in the Chinese mainland.
Enhanced
  • Applications that are deployed on Alibaba Cloud
  • Applications that are deployed outside Alibaba Cloud
  • Public IP addresses provided by Alibaba Cloud
  • ECS
  • CLB (formerly known as SLB)
  • ALB
  • OSS
  • Custom IP addresses
  • Custom domain names
By default, the acceleration region and the region where the backend service is deployed are located in the Chinese mainland.
Premium
  • Applications that are deployed on Alibaba Cloud
  • Applications that are deployed outside Alibaba Cloud
  • Public IP addresses provided by Alibaba Cloud
  • ECS
  • CLB (formerly known as SLB)
  • ALB
  • OSS
  • Secondary ENI (supported only by basic GA instances)
  • Custom IP addresses
  • Custom domain names
By default, the acceleration region and the region where the backend service is deployed are located in areas outside the Chinese mainland. If you want to accelerate data transfer between the Chinese mainland and other areas, you must select China (Hong Kong) as the acceleration region.
You can select different bandwidth types based on the deployment of your services and the region that requires acceleration.
Note If you want to accelerate access to a service that is deployed in the Chinese mainland, you must obtain an Internet Content Provider (ICP) number for the service. For more information, see What is an ICP filing?.
Acceleration area Service region Server area ICP number for web service Bandwidth type
Chinese mainland Chinese mainland On Alibaba Cloud Required Standard bandwidth
Outside Alibaba Cloud Required Enhanced bandwidth
Regions outside the Chinese mainland On Alibaba Cloud Not required Premium bandwidth

You must specify China (Hong Kong) as the acceleration region.

Outside Alibaba Cloud Not required Premium bandwidth

You must specify China (Hong Kong) as the acceleration region.

Regions outside the Chinese mainland Regions outside the Chinese mainland On Alibaba Cloud or outside Alibaba Cloud Not required Premium bandwidth
Chinese mainland On Alibaba Cloud Required Premium bandwidth

You must deploy the endpoint group in the China (Hong Kong) region.

Outside Alibaba Cloud Required Premium bandwidth

You must deploy the endpoint group in the China (Hong Kong) region.