Netgear WNA1000 Guide de l'utilisateur télécharger pdf (Page 49)

NETGEAR Wireless-N 150 USB Adapter WNA1000 User Manual

3-5

v1.0, August 2009

• 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 3-1 shows the time to transfer 1 gigabyte (1 GB) of data using

various networking technologies.

Table 3-1. Theoretical Transfer Time for 1 Gigabyte

Network Connection Theoretical Raw Transfer Time

Gigabit Wired Ethernet 8 seconds

RangeMax Dual Band Wireless-N 26 seconds

Powerline HD 40 seconds

100 Mbps Wired Ethernet 80 seconds

802.11g wireless 150 seconds

802.11b wireless 700 seconds

10 Mbps Wired Ethernet 800 seconds

Cable Modem (3 Mbps) 2700 seconds

Analog Modem (56 kbps) 144,000 seconds (40 hours)

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Netgear WNA1000 Guide de l'utilisateur Page 49