Alcatel-Lucent 7210 SAS M OS Quality Of Service Manual page 216

Overview
Number of SAPs allowed = maximum classification entries / TQ.
NOTE: The number of SAPs arrived at using the equation above is subject to system limits. The
above equation is used to derive the limit on the number of SAPs due to QoS resources only.
The user is allowed to mix and match SAPs with different QoS resources (that is, using different
values of TQ).
The following determines the number of QoS resources to be allocated for an SAP:
•
•
•
Only those FCs that are in use by the match-criteria classification entries are considered for the
number of FCs. Therefore, these FCs are referred to as 'FC in use'.
Given the number of traffic types to use per 'FC in use', the following rules apply for a SAP in a
VPLS service to arrive at number of classification entries per FC in use:
•
•
•
•
•
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Number of match-criteria entries used to identify the FC.
Number of FCs to use and number of traffic-types to be policed per FC.
The amount of hardware classification resources needed per entry configured by the user
(refer to the section "Resource Allocation for Service Ingress QoS policies on page
to know about resources needed per match entry. It varies based on different match criteria
in use).
If a FC is in use and is created without explicit meters, use default meter #1 for unicast
traffic and for all other traffic types (that is, broadcast, multicast and unknown-unicast).
This requires one classification entry in hardware. This assumes default mulitpoint meter
#11 is not created by the user.
If a FC is in use and is created without explicit meters, use default meter #1 for unicast
traffic and default meter #11 (assuming meter "11" is created by the user), for all other
traffic types (that is, broadcast, multicast and unknown-unicast). This requires two
classification entries in hardware.
If a FC is in use and is created with an explicit unicast meter, use that meter for unicast
traffic and for all other traffic types (that is, broadcast, multicast and unknown-unicast).
This requires one classification entries in hardware. This assumes default multipoint meter
"11" is not created by the user.
If a FC is in use and is created with an explicit unicast meter, use that meter for unicast
traffic and use default meter #11 (assuming meter "11" is created by the user) for all other
traffic types. This requires two classification entries in hardware.
If a FC is in use and is created with an explicit unicast meter and explicit broadcast meter,
use these meters for unicast and broadcast traffic respectively and use the unicast meter for
all other traffic types (that is, multicast and unknown-unicast). This requires two
classification entries in hardware. This assumes that the default multipoint meter #11 is
not created by the user.
7210 SAS M OS Quality of Service Guide
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