Internet and Network performance using Comcast and DynDNS

I have a windows domain connected to Comcast internet services.  I also use DynDNS services as well for email mail hopping.

As of late my internet has slowed down and I am temporarily loosing RDP connections.

Can anyone offer configuration information or recommendations that would optimize performance such as DNS and using RDP over the internet?

Network;
Comcast / Xfinity router – Arris TG852G wireless gateway
DC – Server 2008 R2
Exchange 2010
Windows 7 clients
GB switches
tbudoAsked:
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s3e3Connect With a Mentor Commented:
Have you contacted Comcast to open a ticket ? It could be a problem on the remote side.
A decent firewall will also help gathering diagnostic information for you with respect to bandwidth usage.

How many desktops are we talking about here?
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tbudoAuthor Commented:
Going to take this up with Comcast
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