These are the network application utilises hardware accelerated Parallel Express Forwarding (PXF) services supported on Cisco 7400:
Network address translation (NAT)
Access control list (ACL)
Cisco Express Forwarding (CEF)
NetFlow accounting and export
LLQ
Class-based Weighted Fair Queuing (CBWFQ)
Class-based Weighted Random Early Detection (CBWRED)
Policing/CAR
More details can be refered in
http://www.cisco.com/en/US/products/hw/routers/ps354/products_data_sheet09186a0080091fd3.html