Proportional Bandwidth Allocation; Bandwidth Management Usage Examples; Figure 21-1 Application-Based Bandwidth Management Example - ZyXEL Communications Prestige 653HWI series User Manual

Prestige 653HWI Series User's Guide
The total of the configured bandwidth budgets for child-classes cannot exceed the configured bandwidth
budget speed of the parent class.

21.3 Proportional Bandwidth Allocation

Bandwidth management allows you to define how much bandwidth each class gets; however, the actual
bandwidth allotted to each class decreases or increases in proportion to actual available bandwidth.

21.4 Bandwidth Management Usage Examples

These examples show bandwidth management allotments on a WAN interface that is configured for
640Kbps.
21.4.1 Application-based Bandwidth Management Example
The bandwidth classes in the following example are based solely on application. Each bandwidth class
(VoIP, Web, FTP, E-mail and Video) is allotted 128kbps.

Figure 21-1 Application-based Bandwidth Management Example

21.4.2 Subnet-based Bandwidth Management Example
The following example uses bandwidth classes based solely on LAN subnets. Each bandwidth class (Subnet
A and Subnet B) is allotted 320kbps.
21-2 Bandwidth Management