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Windows 2003 centralizing servers and Bandwidth provisioning

Here's our situation.  We have a central site that has about 60 users running Autodesk (primarily) as well as two satellite locations of about 15 users each.  Each site has their own Windows 2003 Server modelled under a single domain utilizing a VPN connection under public internet connections.

The existing VPN throughput is about 600kb/s as measured with just transferring files from server to server.  Each server has about 200Gigs of project drawings.  To run DFS was a dismail failure due to the large sizes of files, as well as the large number of transactions that autodesk and Xrefs to other files produces.

Sr management has asked that we investigate the idea of amalgamating all servers in a central location due to some other issues coming down the line - such as the sattiltes locations collaborating on the same projects and requireing access ot the same autodesk drawings.  

Sr management has pulled in a Telecom company that is only too happy to provide all sorts of bandwith for this to happen, and in fact has gone ahead and ordered fibre optic lines to be installed to each location.  This will be off the public internet and onto a managed set of circuits.  

Out job is to tell the Telecom Company what speed they need to provision the fibre at.  The only think I can figure out on how to do this, is to monitor, and record the network activity on each of the respective server 2003 servers, but don't know what to use.

I would appreciate any thoughts on how to do this.
1 Solution
Kamran ArshadIT AssociateCommented:

For monitoring traffic check out the below solutions:

HP-OpenView                           www.hp.com
JFFNMS                                        www.jffnms.org
OpenNMS                                     www.opennms.org
Nagios                                         www.nagios.org
Microsoft Operation Manager      www.microsoft.com
ZenOSS                                          www.zenoss.com
Cacti                                              www.cacti.net
MRTG                                            oss.oetiker.ch/mrtg
PRTG                                             www.paessler.com/prtg
Adventnet OP Manager                www.adventnet.com
Adventnet Netflow Analyzer      www.adventnet.com
SolarWinds Orion                    www.solarwinds.com
Bandwidthd                              bandwidthd.sourceforge.net
Zabbix                                          www.zabbix.com
Ntop                                            www.ntop.org
CiscoWorks                               www.cisco.com
Observer                                www.networkinstruments.com
AutoNOC                                       www.autonoc.com
IBM Tivoli                                    www.ibm.com
BigBrother                                www.bb4.com
BigSister                                 www.bigsister.ch
Etherape                               etherape.sourceforge.net
NAV                                          metanav.uninett.no
Netdisco                                netdisco.org

I think in your case either PRTG or NTOP will do it.
INSLAuthor Commented:
Thanks again,
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