ATM Design 129
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ATM Frame UNI
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SMDS
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T1/E1 ATM UNI
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n x T1/E1 inverse multiplexing for ATM (IMATM) UNI
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Circuit emulation
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ISDN switched access
Cisco/StrataCom IGX Family of Switches
The Cisco/StrataCom IGX family of switches provides the needed linkage to integrate high-speed
LAN data and lower-speed voice and legacy data across the enterprise backbone in the most cost-
effective manner. The IGX family of switches is specifically designed for enterprise integration.
The IGX family of ATM enterprise WAN switches includes the IGX8 (eight-slot switch), the
IGX16 (16-slot switch), and the IGX32 (32-slot switch). The IGX family can provide the
following enterprise WAN support:
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Voice
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Legacy data
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ATM
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Frame Relay
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Trunks
Benefits of the IGX
With the IGX switch, you can leverage ATM to save costs as follows:
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Apply utilization rates in your network design to source PVCs
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Combine multiple networks into one multiservice network
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Optimize the transmission network with design tools
By deploying IGX switches throughout the enterprise internetwork, you can obtain the
following benefits:
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Integration of voice and data networks
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Improved performance for each type of traffic
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Better response times for new applications
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Reduced downtime
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Higher bandwidth utilization (a five-fold increase in traffic using existing trunks)
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Implementation of a scalable network that supports rapid deployment of new services
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Simplification of network design, with a reduction in management costs
87200333.book Page 129 Wednesday, August 22, 2001 2:18 PM