Linux command: One of the Linux cluster---LVS type (not finished)

Source: Internet
Author: User


The main advantages of the cluster system are:

High scalability:

High availability: One node in a cluster fails, and its tasks can be passed to other nodes. Can effectively prevent single point of failure.

High performance: Load Balancing clusters allow the system to access more users at the same time.

Cost-Effective: high-performance systems can be constructed with inexpensive, industry-standard hardware


Cluster Type:

The three most common types of clusters:

Load Balancer cluster: LB (Load Balancing)

Hardware load Balancing (Hardware): 1, F5,big IP 2, Citrix,netscaler 3, A10

Software load Balancing (software): 1, four-layer device LVS

2, seven layer equipment: Reverse proxy

Nginx (Http,smtp,pop3,imap) haproxy (http,tcp (MYSQL,SMTP))

High Availability cluster: HA (Hi availability)

High performance is also called Scientific cluster: HP (higher performance)


Lvs:linux Virtual Server (four-tier routing device)

Type:

NAT: Address Translation type

DR: Direct Routing

TUN: Tunnel


This article is from the "Learn Linux history" blog, please be sure to keep this source http://woyaoxuelinux.blog.51cto.com/5663865/1937479

Linux command: One of the Linux cluster---LVS type (not finished)

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