Inscape Data LinkPower LPS1800 Series, User Manual

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Page 39
Revision 1.0
Chapter 6 QoS Setting
6.1
Priority Mode
1.
Priority mode including:
First-in priority scheduling( First - In - First Out) When Queue scheduling, according to the
time order of message in the queue, switch to first-in priority scheduling rule processing first
message system (by default) for the pattern.
2.
Strict priority scheduling (All - High - Before - Low)
When Queue scheduling, All - High - Before - Low, in strict accordance with the order of the
priority from High to Low priority to send groups of higher priority queue, when the higher
priority queue is empty, and then send a lower priority queue grouping of All - High - Before -
Low queue scheduling, is the key for business-critical application design. Key business has a
important features, that is, when congestion occurs request the priority service to reduce
response delay.
3.
The queue weight scheduling (Weighted Round Robin, WRR)
Note: when the queue weight is set to 0, the actual treated as 8.