Comparison between Alibaba Cloud Knative and open-source Knative

Item

Alibaba Cloud Knative

Open-source Knative

References

Platform setup and O&M costs

• Offers a one-click deployment experience.

• The control plane component is fully managed and requires no maintenance.

You must manually provision resources and perform system setup, upgrades, and maintenance.

Knative

Ease of use

Provides a rich feature set and a comprehensive, easy-to-use observability system.

Requires you to build and maintain your own observability system, which involves multiple components and demands significant technical expertise.

• Collect log data of Knative components

• View the Knative service monitoring dashboard

Elasticity

Supports the following elasticity features:

• KPA (auto scaling)

• HPA (horizontal pod autoscaling)

• Reserved resource pools

• AHPA (predictive scaling)

Supports only KPA (auto scaling) and HPA (horizontal pod autoscaling).

• Use HPA in Knative

• Enable auto scaling to withstand traffic fluctuations

• Use Knative and AHPA to implement scheduled auto scaling

Gateway capabilities

Compatible with open-source gateways such as Kourier, and integrates with Alibaba Cloud gateways, such as Application Load Balancer (ALB) and Alibaba Cloud Service Mesh (ASM).

Supports only open-source gateways such as Kourier and Istio, which you must maintain yourself.

• Use the Kourier gateway

• Use an ALB gateway

Eventing

Supports integration with EventBridge.

Supports integration only with open-source Knative Eventing.

Trigger Knative Services with EventBridge

CI/CD

Integrates with Alibaba Cloud DevOps.

Requires you to build your own CI/CD pipeline.

N/A

Monitoring and alerting

Monitors metrics such as queries per second (QPS), request latency, and service success rate. You can create custom alert rules and receive notifications through various channels, such as DingTalk, phone calls, and SMS messages.

Supports only basic monitoring metrics and requires you to build your own alerting system.

Configure monitoring and alerting for Knative components

Cloud product integration

Provides deep integration with other Alibaba Cloud services, including ECI, ACR, ARMS, and SLS, offering a one-stop cloud experience.

Does not support native integration with cloud provider services.

• Use ECI instances

• Collect log data for Knative

• View the Knative service monitoring dashboard

• Enable monitoring and alerting for a Knative service

• Trigger Knative Services with EventBridge