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    Cloud Data Transfer:Maximum bandwidths and SLAs

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    Cloud Data Transfer:Maximum bandwidths and SLAs

    Last Updated:Jan 21, 2025

    Cloud Data Transfer (CDT) supports multiple cloud services. This topic describes the maximum bandwidth and service level agreement (SLA) of each service supported by CDT.

    Maximum bandwidths and SLAs

    The following table describes the maximum bandwidths and SLAs of pay-by-data-transfer instances for the services supported by CDT. You can specify the maximum bandwidth based on your business requirements.

    Note

    If you need a higher bandwidth, contact your account manager.

    Supported service

    Maximum bandwidth

    SLA

    Elastic Compute Service (ECS)

    100 Mbit/s

    • Service availability of at least 99.995% for a multi-zone instance.

    • Service availability of at least 99.975% for a single-zone instance.

    Elastic IP address (EIP)

    200 Mbit/s

    • Service availability of at least 99.95% for a multi-zone instance.

    • Service availability of at least 99.00% for a single-zone instance.

    Anycast EIP

    1,000 Mbit/s

    N/A

    Internet Shared Bandwidth

    2,000 Mbit/s

    • Service availability of at least 99.95% for a multi-zone instance.

    • Service availability of at least 99.00% for a single-zone instance.

    IPv6 Gateway

    1,000 Mbit/s

    • Service availability of at least 99.95% for a multi-zone instance.

    Classic Load Balancer (CLB)

    For each Alibaba Cloud account, the sum of the maximum bandwidths of all pay-by-data-transfer Internet-facing CLB instances in a region cannot exceed 5 Gbit/s.

    • Service availability of at least 99.95% for a multi-zone instance.

    • Service availability of at least 99.00% for a single-zone instance.

    Global Accelerator (GA)

    10 Gbit/s

    Service availability of at least 99.95%.

    Cloud Enterprise Network (CEN)

    • Region in the Chinese mainland: 1 Gbit/s.

    • Region outside the Chinese mainland/Cross-border: 100 Mbit/s.

    Service availability of at least 99.95%.

    Virtual Private Cloud (VPC) peering connection

    • Same region: unlimited.

    • Cross-region/Cross-border: 1,024 Mbit/s.

    Intra-region: none.

    Inter-region: service availability of at least 99.95%.

    Express Connect Router (ECR)

    • Connections created between regions in the Chinese mainland: 1,000 Mbit/s.

    • Connections created between regions in the Chinese mainland and outside the Chinese mainland: 100 Mbit/s.

    • Connections created between regions outside China: 100 Mbit/s.

    Note

    If you want to create multiple connections, the data transfer fees are multiplied by N based on the single-connection data transfer fees. N indicates the number of connections, which is generally four.

    Service availability of at least 99.95%.