Specifications

Prioritization: Right of Way for Internet Access

• If multiple network applications are assigned to the “Pri-

oritized applications” category, then they must share

the available capacity.

Background Applications

This category is suitable for applications that do not require

any high transmission speed and which are not time-critical

(for example, peer-to-peer services or automatic updates).

• Network applications assigned to this category are al-

ways treated with the lowest priority when the Internet

connection is working at full capacity. So whenever an

application from a different category or a non-prioritized

application requires the entire bandwidth, all back-

ground applications must wait until bandwidth capacity

becomes available again.

• If no other network applications are active, then the

background applications receive the entire bandwidth.

Prioritization Method in the FRITZ!Box

The following algorithm is used in the FRITZ!Box to send data

packets according to their prioritization:

• Change in the order in which packets are sent to the

Internet (upstream direction)

The order of the packets the FRITZ!Box receives from the

Internet (downstream direction) cannot be changed.

• Discard low-priority packets in order to ensure the trans-

mission of higher-priority packets. This algorithm is

used whenever more packets are supposed to be sent to

the Internet than the upstream transmission rate of the

Internet connection allows.

• As long as no packets are being sent from higher-priority

applications, the full transmission rate of the Internet

connection is available for low-priority packets.

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