负载平衡器

服务器流量负载的自动分发

在流量过载的情况下,负载平衡器通过将流量分发至多个服务器来提供可靠的服务。根据情况应用服务器分发方法。对于用户难以预测的流量过载或故障,对已连接服务器进行运行状况检查并将流量绕行至其他服务器,可以确保服务的可靠性和连续性。

概览

01

04

服务架构

Internet → Load Balancer → Subnet - VM,VM ... / Subnet - VM,VM ... → VPC

主要功能

  • Load Balancer instance and service creation

    - Create a Load Balancer instance in the project with VPC
    - Create Load Balancer service within the Load Balancer instance and register a service that receives traffic and a server that will take distributed load
    - Multiple servers may be registered, either from the server group within the same Load Balancer instance or Auto-scaling group defined in VPC

  • Server group setting

    - Load Balancer services created within the same Load Balancer instance can share server groups
    - Select the created resources to add a server group member
    - Apply load balancing weight to the server group member

  • Firewall application

    - Use Load Balancer Firewalls for secure communications between an external network and Load Balancer; and Load Balancer and VPC

  • Manage access log

    - Analyze traffic patterns and troubleshoot issues by saving log information communicated via Load Balancer

定价

    • Billing
    • Load Balancer instance cost + Load Balancer service cost
    • Charged by time of Load Balancer instance usage
    • Load Balancer instance cost varies by the size (small/medium/large)
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