J2EE server Datasource - JNDI Resources

[Evan Swanson <Ev...@gmd.fujitsu.com>]

I would like to use connection pooling in my Tomcat web application. I have
read the section about JNDI Resources and is seems like the best way to
implement it.
 
I would like to know:

*	Is this a adequate method of implementing connection pooling in a
standard web app?

*	Is there any reason why I should implement my own connection pooling
rather than using this interface?

If anybody has used this setup with Tomcat 4.0, please let me know how it
worked.
 
Thanks in advance!