Figure 17-1 Bandwidth Management: How It Works; Overview - Nortel Web OS Switch Software Application Manual

Web OS 10.0 Application Guide

Overview

To manage bandwidth, create one or more bandwidth management contracts. The switch uses
these contracts to limit individual traffic flows.
1. Client buys a contract
(for example, a VIP address)

Figure 17-1 Bandwidth Management: How It Works

Each contract comprises the following:
n
A classification policy where certain frames are grouped together
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A bandwidth policy specifying usage limitations to be applied to these frames
N
OTE
Alteon 184 Web switch.
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442 Chapter 17: Bandwidth Management
2. Administrator configures
bandwidth policy and contract
Internet
4. Bandwidth management done on
egress port of switch. Can optionally
set TOS values to reflect usage rate
5. TOS value (optional)
affects router bandwidth
–
At any given time, up to 1024 contracts can be created for a single Alteon AD4 or
3. Classification is done
on ingress port of switch
Web Switch
212777-A, February 2002