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Frequently Asked Questions 3-19
What is DynamicAccess
®
software? DynamicAccess software brings intelligence
to the end systems to provide improved
network performance and control. You can
download the latest DynamicAccess
software from the 3Com Web site:
www.3com.com.
What is Fast IP? Fast IP is software that improves
performance on switched networks. Fast IP
allows end systems (notebooks and servers)
to discover switched communication paths.
By creating switched short cuts, Fast IP
allows end stations to bypass the router
and transfer data across wire-speed
switched paths. Fast IP is part of 3Com’s
DynamicAccess software.
What are the notebook and
network requirements to run
Fast IP?
Client requirements:
Notebook running Windows 95, Windows
NT (versions 4 or 3.51), 3Com Megahertz
10/100 LAN CardBus PC Card, and the
TCP/IP stack.
Network requirements:
Switched path between stations and single
broadcast domain.
What are the network configuration
requirements for Fast IP?
Fast IP is designed to bypass the router,
particularly where the router is a
bottleneck, as well as to leverage the
switched infrastructure. For Fast IP to
create short cuts around routers, there
must be a switched path between source
and destination.
What is the performance gain when
using Fast IP?
Fast IP bypasses the router to provide
increased performance in switched
networks even if there are just a small
number of network nodes using Fast IP.
The performance gain obtained when
deploying Fast IP is directly related to
traffic load on the backbone router. The
more traffic is pumped to it, the bigger the
latency and response time and the higher
the performance gain. Internal tests show
performance increases in the order of
600% when routers are loaded at 70
to 75%.
Table 3-3. Frequently Asked Questions (continued)
Question Answer