Server Load Balancer

Features

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  Compatibility with multiple protocols

  Supports multiple protocols to meet your business needs.

  
  

  Layer-4 and Layer-7 load balancing

  Supports Layer-4 load balancing over TCP or UDP and Layer-7 load balancing over HTTP or HTTPS.

  
  

  Certificate management

  Provides a centralized HTTPS certificate management system to ensure reliable and secure data transmission.

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  Multi-layer disaster recovery

  Supports multi-layer disaster recovery and high availability.

  
  

  Health check

  Supports periodical instance status check. When SLB detects a faulty instance, it stops distributing traffic to the instance to ensure the availability of your service.

  
  

  Multiple zones

  Supports multi-zone deployment in specific regions to implement same-city disaster recovery.

  
  

  Cluster deployment and session synchronization

  Supports cluster deployment and instance session synchronization to upgrade and perform maintenance on instances and clusters with zero service downtime.

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  Extremely high performance

  The first cloud computing vendor that provides guaranteed-performance instances.

  
  

  Guaranteed-performance instances

  Provides multiple types of guaranteed-performance instances with dedicated resources.

  
  

  Supersize instances

  Provides supersize instances to offer better performance.

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  Efficient scheduling

  Supports multiple scheduling algorithms and distribution modes to improve the efficiency of application deployment.

  
  

  Scheduling algorithms

  Supports the weighted round-robin and least-connections scheduling algorithms. These algorithms allow you to distribute traffic based on your business needs.

  
  

  Traffic distribution based on domain names and URLs

  Distributes traffic based on domain names and URLs to improve the efficiency of your applications.

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  Session persistence

  Redirects a client’s requests that have been received within a specified period of time to the same instance to maintain the session.

  
  

  Source IP-based session persistence

  Supports load balancing over TCP to maintain sessions.

  
  

  Cookie-based session persistence

  Supports load balancing over HTTP or HTTPS to maintain sessions.

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  Multiple SLB management approaches and billing methods

  Supports multiple instance types and billing methods to meet your business needs, and provides multiple methods for you to manage SLB.