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Precedence values, Tos values, Precedence values tos values – EXFO ETS-1000G User Manual

Page 154

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Reference Tables

144

ETS-1000G

Precedence Values

Precedence Values

ToS Values

Value

Description

Comments

0

Routine Normal

priority

1

Priority Preferred

priority

2

Immediate Immediate

priority

3

Flash Expedited

priority

4

Flash Override

Emergency priority

5

CRITIC/ECP Critical

priority

6

Internetwork Control

Internetwork control

7

Network Control

Network control

Value

Description

Comment

1000

Minimize delay

To minimize the delay. It is used when he time

of packet delivery from the source network

device to the destination (latency period) is

most critical and has to be minimal.

0100

Maximize throughput

Maximize throughput. It indicates that a packet

should be transferred through the channel with

the maximum throughput.

0010 Maximize

reliability

Maximize reliability. It is used when it is

important to make sure that data will reach the

destination without retransmission.

0001

Minimize monetary

cost

To minimize the cost. It is used when it is

necessary to minimize the data transmission

cost.

0000

All normal

Normal service. In this case a packet is routed

according to a provider's decision.