MIL-STD-188-176
End System
IP Router
ATM
End System
Higher
Layers
Higher
Layers
IP LLC
MAC
LLC MAC
PHY
PHY
LAN
ATM Network
Legend:
AAL: ATM adaptation layer
ATM: asynchronous transfer mode
IP: internet protocol LLC: logical link control MAC: media access control PHY: physical layer
FIGURE 15. Example of IP Router Interworking: User Plane.
SNI
SIP L3
MF
SIP-CLS
AAL 3/4
Higher
Layers
SIP-CLS
AAL 3/4
ATM UNI ATM UNI
SMDS
SIP L2
SIP L1
ATM Layer
PHY
ATM Layer
PHY PHY
ATM Layer
PHY
Connectionless
Server
ATM Network
ATM End System
Legend:
AAL: ATM adaptation layer
ATM: asynchronous transfer mode
MF: mapping function
PHY: physical layer
SIP: SMDS interface protocol
SIP Li: SIP layer i
SIP-CLS: SIP connectionless service
SNI: subscriber network interface
UNI: user network interface
FIGURE 16. SMDS Interworking.
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