Chapter 33: Qos Configuration; Overview; Features - Avaya 1000 Series Configuration Manual

Chapter 33: QOS Configuration

Overview

Avaya QoS ensures bandwidth guarantees throughout the Secure Router by implementing
Random Early Detection (RED) to address congestion and Class Based Queuing (CBQ) to
address traffic policing. This document discusses the CBQ features.
Avaya's bandwidth management capability allows multiple agencies or customers to share
access bandwidth on a WAN link in a controlled fashion to effectively and efficiently utilize
available bandwidth. Even during times of congestion, each customer is guaranteed a share
of the access bandwidth and is allowed to borrow unused bandwidth from other customers.
This bandwidth management capability allows service providers to offer their customers
Internet access based on the amount of guaranteed bandwidth-committed rate (CR) and the
amount of bandwidth-borrowed burst rate (BR). Similarly, an organization can share its access
bandwidth among its different departments.

Features

The network administrator manages bundle bandwidth across various customers by defining
traffic classes. Each traffic class is assigned the desired committed bandwidth as well as the
burst bandwidth. The sum of the CRs of all classes must be less than or equal to the total
bundle bandwidth. CBQ can be deployed only in the WAN outbound direction.
A traffic class is characterized by the following parameters:
• Class name
• Parent class
• Committed rate (CR)
• Burst rate (BR)
• Classification type based on:
- Application level
Avaya Secure Router 1000 Series Configuration Guide
Application ports (TCP or UDP)
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