metrotek Bercut-MMT, Operation Manual

Page: 74 / 85

74 Traffic Types and Priorities
011 Flash Expedited priority
100 Flash Override Urgent priority
101 CRITIC/ECP Critical priority
110 Internetwork Control Internetwork Control
111 Network Control Network Control
IP Packets type of service is defined by RFC 1349 [11] and can have values
from the table:
Table B.3: ToS Field Values.
Value Name Description
1000 Minimize delay To minimize delay. Is used
when packet delivery time
from source network device
to destination (waiting time)
is most critical and has to be
minimal.
0100 Maximize throughput Maximum throughput..
Denotes a packet should be
redirected through a channel
with maximum throughput.
0010 Maximize reliability Maximum reliability. Is used
when it is important to be
sure that data will reach
destination without
retransmission.
0001 Minimize monetary cost Minimize cost. Is used when
it is necessary to minimize
data transmission cost.
0000 All normal Everything is OK. In this
case packet is routed
according to provider
decision.
Bercut-MMT: Ethernet Networks Analysis