![]() WHAT PORT DOES SKYPE USE QOS PORTABLEOf course, each workstation, whether portable or not, should be fully equipped with RAM and well maintained, with all software fully patched, hard disks defragmented (if the operating system supports and requires this), and each computer’s sound and video systems matched to the correct drivers. If your company’s workspaces can accommodate cabled connections, encourage users to plug in to reduce the load on the wireless network. In many cases, moving away from wireless entirely is the best answer. Ensuring that all company laptops use the latest, highest-performing wireless protocol will help keep everyone moving data along more quickly. On the hardware side, many Wi-Fi access points will switch all users to a lower-performing standard (such as 802.11b) if any user attaches at the slower speed. For instance, you can automate backup processes and regular large-file transfers to occur late at night, when fewer people are in the office you can create an environment that limits mass e-mailing of the latest YouTube cat video and you can suggest that not every call needs to employ high-def, large-screen video. Without getting caught up in formal QoS processes, you can do several things to improve the overall performance of your network–and of your VoIP and video services along with it. The DiffServe protocol works on a less precise basis and most often is used between service providers and Internet backbone companies. IntServe permits relatively fine-grain control of traffic streams and tends to be used within small networks or between closely related networks. If you dive deeply into the internal structures of network traffic, you’ll find two basic flavors of QoS: Integrated Services (IntServ) and Differentiated Services (DiffServ). In most instances, small businesses will see QoS established in the network’s router, and perhaps elsewhere. (At the end of this article we’ll look at ways to boost network performance.) QoS has a specific set of meanings in networking, and it’s distinct from various things you can do to improve the overall performance of the network. But how do you establish QoS on your network? Getting Started With QoS WHAT PORT DOES SKYPE USE QOS UPGRADEOn the other hand, if you use VoIP as your standard office phone system, or if you want to make extensive use of videoconferencing to replace business travel, proper attention to QoS can significantly upgrade employee productivity and your company’s perceived quality in the marketplace. If your company’s only voice calls occur over Skype and involve personal communications, and if its only video use consists of YouTube downloads viewed during employee breaks, then QoS isn’t worth the bother. For the vast majority of network users, QoS boils down to making sure that voice and video applications perform well.
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