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FusionCloud 6.3.0 Solution Description 05

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What Is Elastic Load Balance?

What Is Elastic Load Balance?


Elastic Load Balance (ELB) is a service that automatically distributes incoming traffic across multiple backend Elastic Cloud Servers (ECSs) based on a specified forwarding policy. ELB can expand the external service capabilities of application systems by traffic distribution to achieve higher fault tolerance performance of application programs. ELB also eliminates single point of failures (SPOFs) and improves system availability.

In addition, ELB provides standard OpenStack APIs, unified deployment of internal and external networks, as well as access through Virtual Private Network (VPN), direct connections, and across Virtual Private Cloud (VPC). FusionCloud supports active/standby Virtual Router Redundancy Protocol (VRRP) deployment in the Region Type I scenario.

You can create a load balancer on a web-based console and configure ECSs and service monitoring ports.


ELB allows you to control load balancing. A self-service web-based console is provided for you to easily configure the service and quickly add service resources for load balancing.

ELB provides the following functions:

  • Linear capacity expansion and zero SPOFs
  • TCP, UDP, HTTPS, and HTTP (ELB protocols) supported in the Region Type I scenario
  • TCP and HTTP (ELB protocols) supported in the Region Type II scenario
  • Access by the VPN, intranet, and Internet
Updated: 2019-04-23

Document ID: EDOC1100026685

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