Siemens BUSINESS CLASS 5935 Manuel d'utilisateur télécharger pdf (Page 60)

SIEMENS 5930/5935 Business Gateway

User’s Guide

Chapter 5 Advanced Setup

ATM Traffic Shaping

SIEMENS 54

4. Select one of the following Service Types.

• Constant Bit Rate:

Requests a static amount of bandwidth that is continuously available for the lifetime of the

connection.This bandwidth amount is characterized by a Peak Cell Rate value.

• Real-Time Variable Bit Rate:

Used for applications that require tightly constrained delay and delay variation, but not necessarily a

fixed cell rate. VBR-nrt connections are characterized in terms of a Peak Cell Rate, Sustained Cell

Rate, and a Maximum Burst Size.

• Non Real-Time Variable Bit Rate:

Used for bursty applications that require service guarantees from the network. VBR-rt connections are

characterized in terms of a Peak Cell Rate, Sustained Cell Rate, and a Maximum Burst Size. Frame

Relay traffic can also use VBR-nrt.

• Unspecified Bit Rate:

Used for non-real-time, bursty applications that are tolerant of delay and loss. UBR service does not

specify service guarantees and is sometimes referred to as "best effort" service.

5. In Peak Cell Rate, enter the peak cell rate if you selected an option that requires a peak cell rate value.

6. In Sustained Cell Rate, enter the sustained cell rate if you selected an option that requires a sustained

cell rate value.

7. In Maximum Burst Size, enter the maximum burst size if you selected an option that requires a maximum

burst size value.

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Siemens BUSINESS CLASS 5935 Manuel d'utilisateur Page 60