Telindus 1031, Руководство пользователя и справочник

Страница: 239 / 394

Telindus 1031 Router Chapter 10
Reference manual Configuration attributes
229
absolutePriority
This is a priority queuing mechanism. In this case, queues with a high priority have
absolute priority over queues with a low priority. In other words, no lower priority
queue is emptied as long as a higher priority queue contains data.
The priority of the queues runs parallel to the queue number. I.e. the user config-
urable queue number 1 has the lowest priority, whereas the system queue
(number 7) has the highest priority:
Note that there is a risk of starvation . This means that it is possible that the lower
priority queues are never emptied because a higher priority queue continuously
receives data.
weightedFair-
Queueing This is a priority queuing mechanism. In this case, the user configurable queues
are addressed based on their weight. However the low delay queue and system
queue still have priority over the user configurable queues:
Value Description
Queue Priority
1 - 5 : user config-
urable queue Queue 1 has the lowest priority whereas queue 5 has
the highest priority. A lower priority queue is only
emptied in case no higher priority queue contains
data.
6 : low delay queue This queue is only emptied in case the system queue
contains no data.
7 : system queue This queue has priority over all other queues. As
soon as it contains data, it is emptied.
Queue Priority
1 - 5 : user config-
urable queue These queues are addressed based on their weight.
The weight can be configured in the
telindus1031/router/
priorityPolicy[ ]/queueConfigurations
attribute.
6 : low delay queue This queue is addressed between every user config-
urable queue.
7 : system queue This queue has priority over all other queues. As
soon as it contains data, it is emptied.