Bandwidth Control deliver Increased Visibility and Control over your network. As network administrators, you can control and visualize the use of your network at a fine-grained level. You can prioritize web traffic to business sites like Salesforce, deprioritize tasks such as Dropbox or Windows Update, or even penalize people trying to use Bittorrent - it's your network, you to decide.

Prioritize time-critical applications, such as online meetings, webinars or VOIP

Prioritize important websites, like salesforce.com or the company website

Deprioritize unimportant apps and traffic like YouTube, other video or games sites.

Limit abusers' bandwidth when using unwanted protocols, like Bittorrent or P2P

Give different users and/or groups different bandwidth usage rights

Give important servers and services bandwidth reservations

Track and monitor bandwidth usage and bandwidth abusers

Troubleshoot bandwidth-related network slow-downs

Assign per-user, per-site, and per-application quotas

Guarantee Network bandwidth for users and/or applications

Limit hosts to certain hourly/daily/weekly bandwidth quotas

Deprioritize certain tasks (like backups and updates) so that they can run at all times without interfering with network operation

Punish unauthorized network usage attempts by rate-limiting network connections for users that violate Acceptable Usage Policies

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Untangle Wiki: Bandwidth Control