Quest Software VIP-IT

 
  • Overview
  • Virtual Address
  • Loopback Address
  • Client Pass-Thru Address
  • Licensing
  • Resources

VIP-IT enables the assignment of a distinct IP address from a pre-defined range to each Terminal Services session. VIP-IT also supports client IP address pass-through for identification purposes, and virtual loopback for applications that require the use of the loopback address 127.0.0.1 (i.e., ActiveSync).

Many applications require a unique IP address per running instance. This is true of many client/server applications whose back-end databases will simply not allow multiple instances of the front-end to share the same IP address (figure 1). Therefore, running multiple instances of such front-ends on the same Terminal Server is not possible.

VIP-IT assigns each Terminal Server session its own unique IP address from a pre-defined range of valid IP addresses (figure 2). As a result, each Terminal Server session communicates with the back-end using its own unique IP address.

As shown in figures 3 and 4, applications that require a unique IP address per running instance are managed and configured using the Provision Management Console (PMC).

Session-based IP addresses are secondary addresses bound to the Terminal Server’s NIC. These addresses can be easily observed by running IPCONFIG from a command prompt.


Figure 1 – Many client/server applications will simply not allow multiple instances of the front-end to share the same IP address. Therefore, running multiple instances of such front-ends on the same Terminal Server is not possible.


Figure 2 – Each Terminal Server session communicates with the back-end using its own unique IP address.


Figure 3 – VIP-IT assigns each Terminal Server session its own unique IP address from a pre-defined range of valid IP addresses.


Figure 4 – Applications that require a unique IP address per running instance are managed and configured using the Provision Management Console (PMC).

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VIP-IT also enables the assignment of a distinct loopback address (127.0.0.1, 127.0.0.2, 127.0.0.3, etc) per Terminal Server session when running applications that require the use of the loopback address 127.0.0.1. ActiveSync, among others, is one such application.
VIP-IT also enables applications to pass the client device’s IP address to back-end systems strictly for identification purposes. In other words, the client device’s IP address cannot be used by the server-based application to communicate with the back-end systems.

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