The session characteristics of the Gateway include:
Total number of Secure Remote Access (Gateway) users
This represents the size of your user base or pool of potential users for the secure portal.
Expected percentage of total users using the Gateway (at maximum load)
Apply a percentage to your total number of users to determine this figure.
Average time between page hits
This is how often on average a user requests a page from the portal server.
Session average time
This determines how many logins per second that the Gateway must sustain for a given number of concurrent users.