Although many organizations use specialized hardware
routers to provide routing services, RRAS also gives you the option of using a Windows
server as a full-fledged router.
ROUTING SERVICES
Windows Server 2008 RRAS provides multiprotocol routing services for LAN-LAN,
LAN-WAN, VPN, and NAT connections. To use the routing feature of RRAS, you need a
solid understanding of network protocols. The ultimate goal, of course, is to have hosts
on one network segment communicate with hosts on another segment??”that is, internetwork
communications.
Although Windows Server 2008 does provide routing services through RRAS, they
really don??™t compare to the power of dedicated router equipment. You may be wondering
why this feature should even exist in the operating system, when practically any
organization that uses routers would usually choose a dedicated router over a multihomed
Windows server. In some special circumstances, using Windows Server 2008 and
RRAS may actually be your best option. After all, it costs nothing but an extra network
interface. It??™s a good option if you want to connect a small satellite office to your main
office with minimal cost and you expect only a light load to be placed on the server as a
result of its routing function. In reality, though, routing is probably the least used of the
two primary features that RRAS can provide.
Routing Basics
Before going any further, you should understand how routing works.
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