Datasheet

____________________________________________________ DS34S101, DS34S102, DS34S104, DS34S108
Rev: 032609 47 of 198
10.6.2 Typical Application
In the application below (Figure 10-23), the device is embedded in a TDMoIP gateway to achieve TDM connectivity
over a PSN. The TDM-over-Packet packet formats for both IP and MPLS are shown in Figure 10-24 and
Figure 10-25, respectively.
Figure 10-23. TDM Connectivity over a PSN
Figure 10-24. TDMoP Packet Format in a Typical Application
1
DA
SA
VLAN Tag
Optional
Ethertype
IP
IP Header
Src. IP=X
Dst. IP=Y
UDP or
L2TPv3
Header
Bundle ID=A
Control
Word
Payload Type
AAL1/
HDLC/SAToP/
CESoPSN/
OAM
CRC-32
2
DA
SA
VLAN Tag
Optional
Ethertype
IP
IP Header
Src. IP=Y
Dst. IP=X
UDP or
L2TPv3
Header
Bundle ID=A
Control
Word
Payload Type
AAL1/
HDLC/SAToP/
CESoPSN/OAM
CRC-32
3
DA
SA
VLAN Tag
Optional
Ethertype
IP
IP Header
Src. IP=X
Dst. IP=Z
UDP or
L2TPv3
Header
Bundle ID=B
Control
Word
Payload Type
AAL1/
HDLC/SAToP/
CESoPSN/OAM
CRC-32
4
DA
SA
VLAN Tag
Optional
Ethertype
IP
IP Header
Src. IP=Z
Dst. IP=X
UDP or
L2TPv3
Header
Bundle ID=B
Control
Word
Payload Type
AAL1/
HDLC/SAToP/
CESoPSN/OAM
CRC-32