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NetScaler Networking Deployment

luyued 发布于 2011-05-16 15:02   浏览 N 次  

说起NetScaler,一直没有时间详细的研究,今天有空,研究了下NetScaler的网络部署。

其实,很简单,要了解怎么来部署NetScaler的网络结构,需要了解NetScaler的工作原理,这里大致介绍一下:

Citrix NetScaler is a Web application delivery appliance that makes applications run five times better. Available as a separate hardware network device or as a virtualized appliance, NetScaler optimizes application availability through advanced L4-7 load balancing and traffic management, accelerates performance, increases security with an integrated application firewall and substantially lowers costs by increasing Web server efficiency.

主要作用就是Web加速,SSL VPN的功能,load balancing,access gateway,application firewall等可以了解下。

弄清楚了它的工作原理就很清楚了。它是一个访问网关,转发器。

部署方式主要由两类四种方式,针对四种不同的网络结构。

Two-Arm Mode ,Multiple Subnets

Two-Arm Mode,Transparent Mode

One-Arm Mode,Single Subnet

One-Arm Mode,Multiple Subnets

看图,能看个大概。解释下图中的几个名词:

One-Arm:单臂

Two-Arm:双臂

NSIP:NetScaler IP Address,NetScaler的管理口地址

VIP:Virtual IP Address,对外提供服务的地址

SNIP:Subnet IP Address,连接内网服务器的地址

MIP:Mapped IP Address,连接内网服务器的地址

GSLBIP:Global Server Load Balancing IP Address,多数据中心做负载均衡时使用的地址

图文资讯
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