THE NEED FOR A SOFTWARE LIFE CYCLE MODELThe development team must identify a suitable life cycle model for the particular project and then adhere to it. Without using of a particular life cycle model the development of a software product would not be in a systematic and disciplined manner. When a software product is being developed by a team there must be a clear understanding among team members about when and what to do. Otherwise it would lead to chaos and project failure. This problem can be illustrated by using an example. Suppose a software development problem is divided into several parts and the parts are assigned to the team members. From then on, suppose the team members are allowed the freedom to develop the parts assigned to them in whatever way they like. It is possible that one member might start writing the code for his part, another might decide to prepare the test documents first, and some other engineer might begin with the design phase of the parts assigned to him. This would be one of the perfect recipes for project failure. A software life cycle model defines entry and exitcriteria for every phase. A phase can start only if its phase-entry criteria have been satisfied. So without software life cycle model the entry and exit criteria for a phase cannot be recognized. Without software life cycle models it becomes difficult for software project managers to monitor the progress of the project.

Question

THE NEED FOR A SOFTWARE LIFE CYCLE MODELThe  development  team  must  identify  a  suitable life  cycle  model  for  the  particular  project  and then  adhere  to  it.  Without  using  of  a  particular  life  cycle  model  the  development  of  a  software product would not be in a systematic and disciplined manner. When a software product is being developed by a team there must be a clear understanding among team members about when and what to do. Otherwise it would lead to chaos and project failure. This problem can be illustrated by using an example. Suppose a software development problem is divided into several parts and the  parts  are  assigned  to  the  team  members.  From  then  on,  suppose  the  team  members  are allowed  the  freedom  to  develop  the  parts  assigned  to  them  in  whatever  way  they  like.  It  is possible  that  one  member  might  start  writing  the  code  for  his  part,  another  might  decide  to prepare the test documents first, and some other engineer might begin with the design phase of the parts assigned to him. This would be one of the perfect recipes for project failure. A software life  cycle  model  defines  entry  and  exitcriteria  for  every  phase.  A  phase  can  start  only  if  its phase-entry  criteria have been satisfied. So without software life cycle model the entry and exit criteria for a phase cannot be recognized. Without software life cycle models it becomes difficult for software project managers to monitor the progress of the project.

trilok sharma · Accepted Answer

THE NEED FOR A SOFTWARE LIFE CYCLE MODELThe  development  team  must  identify  a  suitable life  cycle  model  for  the  particular  project  and then  adhere  to  it.  Without  using  of  a  particular  life  cycle  model  the  development  of  a  software product would not be in a systematic and disciplined manner. When a software product is being developed by a team there must be a clear understanding among team members about when and what to do. Otherwise it would lead to chaos and project failure. This problem can be illustrated by using an example. Suppose a software development problem is divided into several parts and the  parts  are  assigned  to  the  team  members.  From  then  on,  suppose  the  team  members  are allowed  the  freedom  to  develop  the  parts  assigned  to  them  in  whatever  way  they  like.  It  is possible  that  one  member  might  start  writing  the  code  for  his  part,  another  might  decide  to prepare the test documents first, and some other engineer might begin with the design phase of the parts assigned to him. This would be one of the perfect recipes for project failure. A software life  cycle  model  defines  entry  and  exitcriteria  for  every  phase.  A  phase  can  start  only  if  its phase-entry  criteria have been satisfied. So without software life cycle model the entry and exit criteria for a phase cannot be recognized. Without software life cycle models it becomes difficult for software project managers to monitor the progress of the project.

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