Chapter 5 • Bandwidth management
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1037852-0001 Revision A
The QoS class for different applications can be marked based
on the following:
• IP address
• DSCP value
•TCP port number
• UDP port number
• Hard QoS (or Terminal Level Quality of Service) - Traffic
prioritization is based on the Hard QoS subscription. For
example, Hard QoS gives preference to a constant bit rate
terminal over a best effort terminal.
In the outroute direction, traffic prioritization occurs in the soft
QoS before the hard QoS.
The HX System can prioritize both inbound and outbound traffic
(
Figure 9) based on IP parameters. This prioritization can be
based on either source or destination IP address and/or IP port
numbers and Diffserv code point bits. This allows prioritization
based on machine identity or application traffic.
For an explanation of PEP, please see Performance Enhancing
Proxy (PEPV3) on page 59.
Figure 9: HX System traffic prioritization
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