In addition to Ray's response "scalability" also includes the ability to add
additional hardware resources to increase the number of users.
For instance:
session variables are considered an impediment to scalability because they
use server memory to hold data and memory may be limited. Also session
variables are not shared between web-servers in a web-farm so you cannot
improve things just by adding more servers (there are some work-arounds for
this however).
Keeping session data in a database is considered "scaleable" because you can
easily add web-servers to increase capacity. This is a more "scalable"
solution than session variables even though it may require more hardware
support for each individual user than using session variables would (SQL
statement execution vs memory access).
--
Mark Schupp
Head of Development
Integrity eLearning
www.ielearning.com
"Arpan" <ar******@hotmail.com> wrote in message
news:uS**************@TK2MSFTNGP10.phx.gbl...
What does the term "scalability of an application" mean?
Thanks,
Arpan