Specifications
Installation and Operation Manual Chapter 1 Introduction
LA-210 Ver. 1.5 Functional Description 1-13
Figure
1-4. Traffic Handling Diagram
Table
1-3. Traffic Handling Stages
Processing Stage Description
Classification by Flow
Key per Port
Classifying traffic such as email traffic, content streaming,
large document transmission etc.
Policer per Flow Policing the entire traffic within the flow.
CoS/Services Dividing the services using a 3-bit field, specifying a priority
value between 0 (signifying best-effort) and 7 (signifying
priority real-time data).
Policer per Service Policing each Class of Service (CoS).
Queues ‘Storing’ data that will be transmitted according to the CoS
level specified.
Rate
Limitation/Shaping
Ensuring that traffic is shaped to the desired rate.
Scheduling Scheduling and ‘regulating’ traffic
Editing and Marking Adding the SP-VLAN, swapping the CE-VLAN or neither, as well
as marking the priority on the outer VLAN header.
Quality of Service
LA-210 supports QoS mapping to priority queues (4 PQ, strict priority or WFQ or
both, at the network DSL port egress) in the DSL egress direction, according to
one of the following:
• VLAN priority (802.1p)
• DSCP (bits 0-5 in IP TOS byte)
• IP Precedence
• Port-based