Updated on 2025-08-20 GMT+08:00

Edition Differences

Edition Differences

Table 1 Edition Differences

Product

CNAD Basic (Anti-DDoS)

CNAD Advanced

AAD

Billing Mode

Free

Yearly/Monthly, pay-per-use for clean traffic

Yearly/Monthly, "basic bandwidth + elastic bandwidth"

Protected Objects

Huawei Cloud EIPs

Huawei Cloud EIPs

Chinese mainland: Internet-accessible domain names, IP addresses, and ports

Outside the Chinese mainland: Internet-accessible domain names, IP addresses, and ports

Access Mode

Transparent network access through the Huawei Cloud native network, ensuring low latency.

Transparent network access through the Huawei Cloud native network, ensuring low latency.

Access via DNS redirection or direct IP address leveraging multi-line BGP, yielding strong protection capabilities.

Protection Capability

  • Chinese mainland: no higher than 5 Gbit/s
  • Outside the Chinese mainland: no more than 500 Mbit/s

20 Gbit/s to 1 Tbit/s. The protection capability varies depending on the instance specifications.

For details, see Table 2.

1TBps

Instances of different access types cannot be used together. For details, see Table 3.

Attack Type

Transport-layer DDoS attacks, such as malformed packet attacks and SYN flood attacks

Transport-layer DDoS attacks, such as malformed packet attacks and SYN flood attacks

Connection-based DDoS attacks (supported only by Unlimited Protection Advanced Edition)

Transport-layer DDoS attacks, such as malformed packet attacks and SYN flood attacks

Connection-based DDoS attacks, DNS DDoS attacks, and web application-layer DDoS attacks

Instance Specifications

Table 2 Specifications of different types of CNAD Advanced instances

Type

CNAD 1.0

CNAD 2.0

Edition

Unlimited Protection Basic Edition

Unlimited Protection Advanced Edition

Enterprise Edition

SME Edition

Billing Mode

Yearly/Monthly

Yearly/Monthly

  • The instance is billed on a yearly/monthly basis.
  • Service bandwidth can be billed on a yearly/monthly or pay-per-use basis.
  • The instance is billed on a yearly/monthly basis.
  • The public network line billing mode is only available for yearly/monthly billing.

Protected objects

Huawei Cloud dynamic BGP EIPs

Anti-DDoS Service dedicated EIPs

  • Chinese mainland: Dynamic BGP EIPs and Anti-DDoS Service dedicated EIPs
  • Outside the Chinese mainland: Premium BGP EIPs and Anti-DDoS Service dedicated EIPs

Chinese mainland: Dynamic BGP EIPs and Anti-DDoS Service dedicated EIPs

Region

Single-region protection

Single-region protection

  • Chinese mainland: Cross-region protection is supported.
  • Outside the Chinese mainland: Only Hong Kong and Singapore are supported.

Chinese mainland: Single-region protection is supported.

Protocol

IPv4 and IPv6

IPv4

IPv4 and IPv6

IPv4 or IPv6

Protected Objects (per Instance)

50 to 500

50 to 500

50 to 1,000

1 to 1,000

Service Bandwidth

100 Mbit/s to 20 Gbit/s

100 Mbit/s to 10 Gbit/s

100 Mbit/s to 20 Gbit/s

50 Mbit/s to 20 Gbit/s

Protection Capability

  • Shared unlimited protection, no less than 20 Gbit/s, up to hundreds of Gbit/s.
  • If the service bandwidth exceeds the limit, the protection capability drops and ranges from 10 Gbit/s to 20 Gbit/s.
  • Shared unlimited protection for up to 1 Tbit/s
  • If the service bandwidth exceeds the limit, the protection capability drops and ranges from 10 Gbit/s to 20 Gbit/s.
  • Chinese mainland: Shared protection, no less than 20 Gbit/s. If the service bandwidth exceeds the limit, the protection capability drops and ranges from 10 Gbit/s to 20 Gbit/s.
  • Outside the Chinese mainland: carrier-based cross-border protection. If the service bandwidth exceeds the limit, the protection capability drops to 5 Gbit/s.

Chinese mainland: Shared unlimited protection, no less than 20 Gbit/s. If the service bandwidth exceeds the limit, the protection capability drops and ranges from 10 Gbit/s to 20 Gbit/s.

Table 3 AAD instance specifications

Item

AAD - Website

AAD - IP Access

Billing Mode

Yearly/Monthly

Yearly/Monthly

Protected Object

Internet-accessible domain names

Internet-accessible IP addresses and ports

Region

Chinese mainland and outside the Chinese mainland

Chinese mainland and outside the Chinese mainland

Protocol

  • Chinese mainland: IPv4 and IPv6
  • Outside the Chinese mainland: IPv4
  • Chinese mainland: IPv4 and IPv6
  • Outside the Chinese mainland: IPv4

Protected Objects (per Instance)

  • Chinese mainland: up to 500
  • Outside the Chinese mainland: up to 200
  • Chinese mainland: up to 500
  • Outside the Chinese mainland: up to 200

Service bandwidth

Up to 2000 Mbit/s

Up to 2000 Mbit/s

Elastic Bandwidth

Supported

Supported

Protection Capability

Up to 1 Tbit/s

Up to 1 Tbit/s

QPS

Up to 100,000 QPS

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