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3 kcs support for ipv6 only infrastructure – Kofax Communication Server 9.1.1 User Manual

Page 62

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Environment Guide

Version 3.00.04

62

© Copyright Kofax, Inc. All information is subject to change without notice.

IPV6/IPV4

Network

TC/LINK Server

IPV6/IPV4

KCSClient

IPV4

EmailServer

IPV4

KCSClient

IPV6

LS1

IPV4

KCSCore

IPV6/IPV4

In this way administrators may perform the migration towards IPv6 step by step, for example starting by IPv6

enabling of the servers, and then adding IPv6 for related client applications.

6.5.3

KCS Support for IPv6 Only Infrastructure

All IPv6 enabled KCS applications/modules may be used also in the IPv6 only network, except for KCS

hardware which supports IPv4 protocol only (the Mod 305 LS1, TC15

, …)

Due to the incompatibility between IPv4 and IPv6, the IPv6-only hosts cannot directly talk with IPv4

applications. This is where the so-called IPv6 to IPv4 translation techniques step in.

Several translation techniques exist, but the most popular and commonly available on Cisco routers is the

NAT-PT (Network Address Translation

– Protocol Translation) standardized by IETF in the RFC 2766: