Light, or electricity, takes time to traverse distance, so the longer the network is in real terms, the higher the latency. But when considering all the sources of latency that contribute to the final latency of a circuit, latency from distance is often swamped by less obvious sources. Another source of latency is the packet itself. The larger the packet size, the longer the latency to transmit the packet. In fact the difference in latency between two different packet sizes can be used as a crude estimate of available bandwidth.
When a QoS scheme like priority queuing is employed to minimize latency for a certain class of service, such as VoIP, the QoS still cannot minimize latency to anything less than the base latency for a maximal-size packet. The latency difference between the smallest packet and largest packet supported by the network represents the best-case latency jitter.
A buffer is temporary memory for packets. Buffers are usually constructed as queues. A buffer queue might hold from zero up to X maximal-sized packets. Buffers may often be tuned in router settings. Back to Top. Please use the most recent version of Chrome or Firefox. Check back periodically for our fix. Your connection and line quality is Test Again. Internet Slow? Zip Code. Get a Quote Call Sales Streamline Your Internet Communications Two powerful choices.
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Stop any downloads or programs that may be using your connection while running the speed test. Use a wired Ethernet connection instead of WiFi or cellular services as there may be interferences. Try rebooting your modem or router and run the speed test again.
Be sure to stop any downloads or programs that may be using your connection while running Speed Test Plus. When using a wireless connection, there may be wireless interference. Try using a wired Ethernet connection instead. Try rebooting your modem or router and then running the test again. Download Download is a measure of how fast your connection delivers content to your computer or local area network. Upload Upload is the measure of how fast content is delivered from your computer or local area network to others on the Internet.
For businesses or power-users , download and upload speed should match or at least be very close. This is important for applications like VoIP, video conferencing, cloud-based apps like Office, online gaming and other interactive programs.
Upload speed is even more important if you are operating a server at your location. If achieving optimal upload speed is a concern, consider Fiber , Ethernet , or T1 services. One megabit per second equals 1 million bits per second. Tried everything here? Did you find this article helpful? Yes No. Help us improve. Please rate the following from a scale of 1 to 5 stars: This article is easy to find. Sorry to hear that! We'd like to know what's wrong.
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