can any help me please.....session management in DSP

i want to store value under session scope in one dsp and retrieve session value in other dsp,like we do in jsp using session.setAttribute and session.getAttribute.
please give complete step by step process to achieve this. to create session. to store value in that session. to retrieve session value.
According to session value i want to do some operation in my dsp.


in PSUtilities (you can download from their web site), there are services for using session:
try it out.

please do not crosspost the same question in different forums.
Please see for similar question and my response.