HP StorageWorks Enterprise File Services WAN Accelerator 2.1.5 deployment guide (June 2006)

HP STORAGEWORKS ENTERPRISE FILE SERVICES WAN ACCELERATOR 2.1.5 DEPLOYMENT GUIDE 25
3 - VIRTUAL IN-PATH NETWORK
D
EPLOYMENTS
CHAPTER 3 Virtual In-Path Network
Deployments
In This Chapter This chapter describes virtual in-path deployments and summarizes the basic steps for
configuring them. This chapter includes the following sections:
“Introduction to Virtual In-Path Deployments,” next
“In-Path, Load Balanced, Layer-4 Switch” on page 26
This chapter assumes you are familiar with the HP EFS WAN Accelerator
Management Console (Management Console). For detailed information about the
Management Console and how to use it, see the HP Enterprise File Services WAN
Accelerator Management Console User Guide.
This chapter also assumes that you are familiar with the installation and configuration
process for the HP EFS WAN Accelerator. For detailed information, see the HP
StorageWorks Enterprise File Services WAN Accelerator Installation and
Configuration Guide.
This chapter provides the basic steps for virtual in-path deployments. It does not
provide detailed procedures. Use this chapter as a general guide to these deployments.
If you need additional assistance, contact HP technical support located at http://
www.hp.com.
For detailed information about the factors you must consider before you design and
deploy the HP EFS WAN Accelerator in a network environment, see “Design and
Deployment Overview” on page 11.
Introduction to Virtual In-Path Deployments
In a virtual in-path deployment, the HP EFS WAN Accelerator is virtually in the path
between clients and servers. In a virtual in-path deployment, clients and servers
continue to see client and server IP addresses. This deployment differs from a physical
in-path deployment in that a packet redirection mechanism is used to direct packets to
HP EFS WAN Accelerators that are not in the physical path of the client or server.
Redirection mechanisms include: