Ou have been tasked to map the process involved in the ordering a ticket online for borussia dortmund. using the epc modelling notation model the following process.
to purchase a ticket a customer needs to logon to the bvb official website, they then need to select the match that they wish to purchase a ticket for. once they have selected a match, the date will be checked to confirm whether there are available tickets. if there are available tickets, they will be asked to decide on a payment method. if they date is not available, they will be notified that this game is fully booked, in which case they can either choose another match or a stop the process.

Which of the following is a difference between the systems development life cycle (sdlc) and extreme programming (xp)? the sdlc model has a separate planning and analysis phase, whereas xp combines both the phases into one phase.in the sdlc model, changes cannot be made to a system once it is delivered to the user, whereas the xp method delivers the system to the users and then make changes suggested by the user.the sdlc model develops an entire system at once, whereas xp uses incremental steps to improve an information system's qualitydevelopers following the sdlc model cannot go on to the next phase until the current phase is finished, whereas in xp, developers can move to any phase from the current phase.