Hotbilling Concept
The below article was taken from Hot Billing Concept by Advanced Multimedia System Design . Prehistory Darwin teaches us that far ancestors of billing systems were simple log files, or record books. All they could do automatically was regular information storage, " The client dialed in at 19:00 and disconnected at 21:00 "; information retrieval was a less trivial procedure. When computers left the developers' pools and migrated to the commercial land, logs had to be taught to detect account overdraft automatically, not at the end of the month. Billing systems of the newer generation were reptile guardians, timing a given delay, " This is the first day of the rest of your life! ", and biting the connection off when the session timed out. But the evolution went on. Cold-blooded billing systems could prevent a single-user debit account with a constant dollars-per-minute rate from overdraft; they failed if faced a herd of users exploiting a single shared