
Configuring Data Compression Services
2-12 114061 Rev. A
Software-Based Data Compression
Software-based data compression works over WAN links running Frame Relay,
PPP, or X.25. It includes
• Compression for a FRE module at 4 x 128 KB/s compressed throughput, full
duplex; or 512 KB/s aggregate compressed throughput
• Compression on an Access Node (AN
®
) platform at 2 x 64 KB/s compressed
throughput, full duplex; or 128 KB/s aggregate compressed throughput
• Compression on all intelligent link interface modules (ILIs) that support serial
and ISDN BRI ports
• Support for all Bay Networks platforms: AN, ASN, and BN, plus VME
• Compression on MCT-1 and MCE-1 lines
Hardware-Based Data Compression
Hardware compression works over WAN links running Frame Relay and PPP.
Hardware compression is available as
• Optional daughterboards for Frame Relay and PPP networks that use the octal
synchronous link module for the BN, using FRE-2 processors only.
• Optional net modules for Frame Relay and PPP networks that use the ASN.
Hardware compression can compress data transmitted over WANs attached to
dual and quad synchronous, MCE1/ISDN PRI, MCT1/ISDN, dual sync with
ISDN BRI, and QBRI net modules.
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