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Take a look at the Performance Manager functionality in our demonstration.
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  All Performance Manager Tools are either available on-line or they can be implemented by PresiNET's network engineers.

Quality of Service (QoS) and Packet Shaping

Function: PresiNET provides QoS and Packet Shaping through bandwidth throttling, packet prioritization, fair queuing, and latency controls.

Applied Use: Ensures your critical applications get priority access and consistent bandwidth on the network and to the Internet while slowing down undesirable applications.

Practical Example: By setting QoS and packet shaping controls you can designate priority for all voice (VoIP), Citrix traffic, and critical file transfers on the network and the VPN.

Bandwidth Throttling & Packet Prioritization

Function: Ability to limit or prioritize the bandwidth traffic flow by application, port, source, or destination address.

Applied Use: Optimize network traffic by giving priority to critical business applications. Throttling is used in conjunction with the bandwidth usage alerts to limit the rate of bandwidth consumption.

Practical Example: Live video and radio feeds to various workstations appear to be interfering with the accounting application's ability to access the inventory database. Bandwidth throttling can put a cap (let say 50K per second without eliminating) on live feeds to workstations by assigning and enforcing maximum bandwidth allowances. Packet prioritization ensures critical applications get their required bandwidth first, even when bandwidth utilization is saturated.

Latency Control

Function: Ability to set packet latency limits on application, port, source, or destination addresses to ensure traffic continuity. This is a new technology that is designed to augment packet prioritization for greater control.

Applied Use: Optimize network traffic by setting latency limits to business critical applications.

Practical Example: Voice over IP (VoIP) traffic can sound inconsistent if VoIP packet latency periods fluctuate. With latency controls and jitter reporting, this can be smoothed out. Also, in a saturated network , priority packets can consume all the bandwidth, leaving lower priority traffic to be held. This may cause adverse affects on these lower priority applications. Bandwidth management is critical for VoIP to be successful, and with latency controls, setting these applications' traffic to say 300ms will ensure their packets get sent before they reach their 300ms delay.

Fair Queuing

Function: Ensures the bandwidth is fairly split among the simultaneous users. You can even specify ratios for distribution of bandwidth.

Applied Use: Optimize network between multiple users.

Practical Example: A company has three wireless connections. Any one connection can saturate the wireless channel, dropping the access for the other two. Fair queuing ensures that if all three users are transferring data simultaneously, then the available bandwidth is shared equally among them.

Step Three



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