Answer Posted / jayant shahi

ASP.Net supports 4 types of sessions
1)in process (InProc)(The Default) Session state exists
within the process the web is using
2)state server (OutProc)Session data is sent to the
configured stateserver service
3)sql server (OutProc)Session data is store in the
configured sql server database
4)custom

InProc
Adv.:
1) Faster as session resides in the same process as the
application
2) No need to serialize the data

DisAdv.:
1) Will degrade the performance of the application if large
chunk of data is stored
2) On restart of IIS all the Session info will be lost

State Server
Adv.:
1) Faster then SQL Server session management
2) Safer then InProc. As IIS restart
won't effect the session data

DisAdv.:
1) Data need to be serialized
2) On restart of ASP.NET State Service session info will be lost
3)Slower as compared to InProc

SQL Server
Adv.:
1) Reliable and Durable
2) IIS and ASP.NET State Service
restart won't effect the session data
3) Good place for storing large chunk of data

DisAdv.:
1) Data need to be serialized
2) Slower as compare to InProc and State Server
3)Need to purchase Licensed
version of SQL Server

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