Figure 22-1 Frame Relay To Atm Network Interworking; Figure 22-2 Frame Relay To Atm Service Interworking - Cisco BPX 8620 Installation And Configuration Manual

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Figure 22-1 Frame Relay to ATM Network Interworking

Part A
Network interworking connection from CPE Frame Relay port
to CPE Frame Relay port across an ATM Network with the
interworking function performed by both ends of the network.
Frame
Relay
Part B
Network interworking connection from CPE Frame Relay port
to CPE ATM port across an ATM network, where the network
performs an interworking function only at the Frame Relay end
of the network. The CPE receiving and transmitting ATM cells at
its ATM port is responsible for exercising the applicable service
specific convergence sublayer, in this case, (FR-SSCS).
Frame
Relay

Figure 22-2 Frame Relay to ATM Service Interworking

Frame
Relay
Cisco BPX 8600 Series Installation and Configuration
22-2
Inter-
Frame
working
Relay
function
CPE
B-ISDN
FR-SSCS
Inter-
Frame
working
Relay
function
CPE
B-ISDN
FR-SSCS
Frame
Service
Relay
CPE
interworking
function
Chapter 22
Configuring Frame Relay to ATM Network and Service Interworking
Inter-
working
function
ATM network
B-ISDN
FR-SSCS
ATM
ATM network
CPE using a
standard, non-
ATM
ATM network
service specific
convergence
Release 9.3.30, Part Number 78-12907-01 Rev. E0, May 2005
Frame
Frame
Relay
Relay
CPE
CPE
exercises
Frame
appropriate
Relay
SSCS
B-ISDN
FR-SSCS
protocol

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