VMware VIEW COMPOSER 2.5 - ARCHITECTURE PLANNING EN-000350-01 Specifications download pdf (Page 50)

Direct Client Connections with PCoIP and HP RGS on page 50

Administrators can configure View Connection Server settings so that View desktop sessions are

established directly between the client system and the View desktop virtual machine, bypassing the View

Connection Server host. This type of connection is called a direct client connection.

View Client with Local Mode Client Connections on page 51

View Client with Local Mode offers mobile users the ability to check out View desktops onto their local

computer.

Tunneled Client Connections with Microsoft RDP

When users connect to a View desktop with the Microsoft RDP display protocol, View Client makes a second

HTTPS connection to the View Connection Server host. This connection is called the tunnel connection because

it provides a tunnel for carrying RDP data.

The tunnel connection offers the following advantages:

RDP data is tunneled through HTTPS and is encrypted using SSL. This powerful security protocol is

consistent with the security provided by other secure Web sites, such as those that are used for online

banking and credit card payments.

A client can access multiple desktops over a single HTTPS connection, which reduces the overall protocol

overhead.

Because VMware View manages the HTTPS connection, the reliability of the underlying protocols is

significantly improved. If a user temporarily loses a network connection, the HTTP connection is

reestablished after the network connection is restored and the RDP connection automatically resumes

without requiring the user to reconnect and log in again.

In a standard deployment of View Connection Server instances, the HTTPS secure connection terminates at

the View Connection Server. In a DMZ deployment, the HTTPS secure connection terminates at a security

server. See “Preparing to Use a Security Server,” on page 55 for information on DMZ deployments and

security servers.

Clients that use the PCoIP or HP RGS display protocols do not use the tunnel connection.

Direct Client Connections with PCoIP and HP RGS

Administrators can configure View Connection Server settings so that View desktop sessions are established

directly between the client system and the View desktop virtual machine, bypassing the View Connection

Server host. This type of connection is called a direct client connection.

With direct client connections, an HTTPS connection is still made between the client and the View Connection

Server host for users to authenticate and select View desktops, but the second HTTPS connection (the tunnel

connection) is not used.

Clients that use the PCoIP and HP RGS display protocols use direct client connections. They cannot use the

tunnel connection.

PCoIP connections include the following built-in security features:

PCoIP supports Advanced Encryption Standard (AES) encryption, which is turned on by default.

The hardware implementation of PCoIP uses both AES and IP Security (IPsec).

PCoIP works with third-party VPN clients.

For clients that use the Microsoft RDP display protocol, direct client connections are appropriate only if your

deployment is inside a corporate network. With direct client connections, RDP traffic is sent unencrypted over

the connection between the client and the View desktop virtual machine.

VMware View Architecture Planning Guide

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VMware VIEW COMPOSER 2.5 - ARCHITECTURE PLANNING EN-000350-01 Specifications Page 50

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