Each outer box in Figure 3 on page 16 represents a process component. The components
in the upper row apply to inbound packets, and the components in the lower row apply
to outbound packets. The arrows with the solid lines point in the direction of packet flow.
The middle box (forwarding class and loss priority) represents two data values that can
either be inputs to or outputs of the process components. The arrows with the dotted
lines indicate inputs and outputs (or settings and actions based on settings). For example,
the multifield classifier sets the forwarding class and loss priority of incoming packets.
This means that the forwarding class and loss priority are outputs of the classifier; thus,
the arrow points away from the classifier. The scheduler receives the forwarding class
and loss priority settings, and queues the outgoing packet based on those settings. This
means that the forwarding class and loss priority are inputs to the scheduler; thus, the
arrow points to the scheduler.
Typically, only a combination of some components (not all) is used to define a CoS
service offering.
Related
Documentation
• Packet Flow Through the CoS Process Configuration Example
17Copyright © 2013, Juniper Networks, Inc.
Chapter 3: Packet Flow Through the CoS Process
To Next Page
Loading...
Need help?
General
