Netgear JWNR2000 JWNR2000 User Manual - Page 100
Assessing Your Speed Requirements, Wired Ethernet
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NETGEAR Wireless-N 300 Router JWNR2000 User Manual • Wired Ethernet. As gigabit-speed Ethernet ports (10/100/1000 Mbps) become common on newer computers, wired Ethernet remains a good choice for speed, economy, and security. Gigabit Ethernet can extend up to 100 meters with twisted-pair wiring of Cat 5e or better. A wired connection is not susceptible to interference, and eavesdropping would require a physical connection to your network. Note: Actual data throughput will vary. Network conditions and environmental factors, including volume of network traffic, building materials and construction, and network overhead, can lower actual data throughput rate. Assessing Your Speed Requirements Because your Internet connection is likely to operate at a much lower speed than your local network, faster local networking technologies might not improve your Internet experience. However, many emerging home applications require high data rates. For example: • Streaming HD video requires 10 to 30 Mbps per stream. Because latency and packet loss can disrupt your video, plan to provide at least twice the capacity you need. • Streaming MP3 audio requires less than 1 Mbps per stream and does not strain most modern networks. Like video, however, streaming audio is also sensitive to latency and packet loss, so a congested network or a noisy link can cause problems. • Backing up computers over the network has become popular due to the availability of inexpensive mass storage. Table 5-2 shows the time to transfer 1 gigabyte (1 GB) of data using various networking technologies. Table 5-2. Theoretical Transfer Time for 1 Gigabyte Network Connection Gigabit wired Ethernet RangeMax NEXT Wireless-N Powerline HD 100 Mbps wired Ethernet 802.11n wireless 802.11g wireless 802.11b wireless 10 Mbps wired Ethernet Cable modem (3 Mbps) Analog modem (56 kbps) Theoretical Raw Transfer Time 8 seconds 26 seconds 40 seconds 80 seconds 45 seconds 150 seconds 700 seconds 800 seconds 2700 seconds 144,000 seconds (40 hours) 5-20 v1.0, September 2009 Fine-Tuning Your Network