Issue 2.0
8-38
IP Multiline Station (SIP)
Working in conjunction with IP precedence, the next 4 bits in the ToS field are
designed to influence the delivery of data based on delay, throughput, reliability,
and cost. However these fields are typically not used.
The following table shows the 8-bit ToS field and the associated IP precedence
bits.
Differential Services Code Point (DSCP)
DSCP stands for Differential Services Code Point (or Diffserv for short). It uses
the first 6 bits of the ToS field therefore giving 64 possible values.
The following list shows the most common DSCP code points with their binary
values and their associated names:
IP
Precedence
IP
Precedence
IP
Precedence
Delay
Throughput
Reliability
Cost
Not
Used
1(on) here =
value of 4
1(on) here =
value of 2
1(on) here =
value of 1
DSCP Code
Points
Binary Values
Names
000000
0
Best Effort (BE)
001000
8
Class Selector 1 (CS1)
001010
10
Assured Forwarding 11 (AF11)
001100
12
Assured Forwarding 12 (AF12)
001110
14
Assured Forwarding 13 (AF13)
010000
16
Class Selector 2 (CS2)
010010
18
Assured Forwarding 21 (AF21)
010100
20
Assured Forwarding 22 (AF22)
010110
22
Assured Forwarding 23 (AF23)
011000
24
Class Selector 3 (CS3)
011010
26
Assured Forwarding 31 (AF31)
011100
28
Assured Forwarding 32 (AF32)
011110
30
Assured Forwarding 33 (AF33)
100000
32
Class Selector 4 (CS4)
100001
34
Assured Forwarding 41 (AF41)
100100
36
Assured Forwarding 42 (AF42)
100110
38
Assured Forwarding 43 (AF 43)
101110
46
Expedited Forwarding (EF)
Содержание Univerge SV9100
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Страница 312: ...Issue 2 0 4 48 Programming...
Страница 376: ...Issue 2 0 6 30 SIP Trunking...
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