1. What is an Alibaba Cloud Load Balancer?
Alibaba Cloud Load Balancer is a cloud-based service that distributes incoming traffic among multiple servers, ensuring high availability and scalability.
2. How does an Alibaba Cloud Load Balancer work?
An Alibaba Cloud Load Balancer works by routing incoming traffic to multiple backend servers based on predefined rules such as round-robin or least connections.
3. What are the different types of Alibaba Cloud Load Balancers?
Alibaba Cloud Load Balancer offers two types of load balancers: Classic Load Balancer and Application Load Balancer.
4. What is the difference between Classic Load Balancer and Application Load Balancer?
Classic Load Balancer works at the transport layer (Layer 4) and is suitable for TCP and UDP traffic, while Application Load Balancer works at the application layer (Layer 7) and can route HTTP, HTTPS, and WebSocket traffic.
5. What are the benefits of using an Alibaba Cloud Load Balancer?
Some benefits of using an Alibaba Cloud Load Balancer are increased availability, improved performance, scalability, and reduced downtime.
6. How does Alibaba Cloud Load Balancer help improve security?
Alibaba Cloud Load Balancer helps improve security by distributing traffic among multiple servers, preventing a single point of failure. It can also block traffic from suspicious sources and support SSL encryption.
7. Can an Alibaba Cloud Load Balancer handle distributed denial-of-service (DDoS) attacks?
Yes, Alibaba Cloud Load Balancer can handle DDoS attacks by filtering out malicious traffic, preventing overloading of backend servers.
8. Can Alibaba Cloud Load Balancer be used to distribute traffic between different regions or zones?
Yes, Alibaba Cloud Load Balancer can be used to distribute traffic between different regions or zones, providing global load balancing.
9. Can Alibaba Cloud Load Balancer integrate with other Alibaba Cloud services?
Yes, Alibaba Cloud Load Balancer can integrate with other Alibaba Cloud services such as ECS, RDS, and OSS.
10. What is the maximum number of backend servers that an Alibaba Cloud Load Balancer can support?
An Alibaba Cloud Load Balancer can support up to 10,000 backend servers.
11. What is the maximum bandwidth that an Alibaba Cloud Load Balancer can support?
An Alibaba Cloud Load Balancer can support up to 50 Gbps of bandwidth.
12. What is the minimum interval time for session persistence in Alibaba Cloud Load Balancer?
The minimum interval time for session persistence in Alibaba Cloud Load Balancer is 30 seconds.
13. Does Alibaba Cloud Load Balancer support health checks?
Yes, Alibaba Cloud Load Balancer supports health checks to ensure that backend servers are healthy and available.
14. What types of health checks does Alibaba Cloud Load Balancer support?
Alibaba Cloud Load Balancer supports two types of health checks: TCP and HTTP/HTTPS.
15. How often does Alibaba Cloud Load Balancer perform health checks?
Alibaba Cloud Load Balancer performs health checks every 5 seconds by default.
16. Can Alibaba Cloud Load Balancer be used with third-party load balancing solutions?
Yes, Alibaba Cloud Load Balancer can be used with third-party load balancing solutions that support standard load balancing protocols.
17. Does Alibaba Cloud Load Balancer support SSL offloading?
Yes, Alibaba Cloud Load Balancer supports SSL offloading to reduce the load on backend servers.
18. Can Alibaba Cloud Load Balancer be used for web application firewall (WAF)?
Yes, Alibaba Cloud Load Balancer can be used for web application firewall (WAF) to protect web applications from common attacks such as SQL injection and cross-site scripting.