Ken Schwaber and Jeff Sutherland are considered parents of Scrum and they introduced it 1996. Scrum term is came from Rugby as once teams are stuck in maul and the game is restarted. It is a framework that helps in project management without specifying how to undertake, implement and test a design. Scrum is not a methodology.
Why we need Scrum?
To understand this let’s review the waterfall approach….
In waterfall project is initiated by clients and project charter is given to a Project Manager. Project Manager hires individuals to plan, build, test, review and to deploy the product. All this is done in a sequential way.
These is very less involvement of sponsor/client to review the product. Hence, you may end-up with totally a wrong product that is not accepted by the client.
Scrum on the other way do this in chunks. Here, the product owner is always engaged and before starting the next sprint feedback is taken by the product owner.
See the below info-graph that is real a simple way to explain the key difference between waterfall & the scrum management.
What is Sprint in Scrum?
A sprint is a time-boxed and result oriented period. It’s duration varies from one two four weeks. Every sprint must add some value and should be deliverable to the client. Once client review it and comments are put ion product log and is used in next sprint. Sprints are “pull” based system where team work in a cross functional manner. This engagement of both parties helps for the easy final approval.
Product backlog came from product owner included into sprint backlog and the the sprint starts resulting into an incremental addition. This addition is sent to product owner who review and accepts, rejects or make comments if any.
The comments further included into a product backlog and again sprints are applied. A project can be completed in a few sprints but can go as many as required.
The output of scrum has no chance to fail at the end. On the other hand waterfall is quite risky as as the end to make a change in the project is very costly. A company go bankrupt if this happens.
Sprint is just a synonymous of iteration the only difference a sprint can not go more than thirty day.
Who is a Scrum Master?
Like we have a Project Manager in a traditional waterfall in the same way the person helping the things get done in a proper way and manages all the engagements is known as a scrum master. He acts like a servant and a bridge between product owner and the team.
What are the Key Roles in a Scrum Management?
There are three roles in Scrum
The Product Owner
The Product Owner
This is the one responsible to defining the features of the required product. This guy has bright ideas that to put into the final product. This should be knowledgeable person.
The Scrum Master
They call him a servant leader that helps to keep things going and helps a median between the product owner and the team.
Team consist of around seven member plus or minus two. If you have more members then split into more teams. Teams must be cross-functional so that the team can do all necessary analysis, design, implementation, testing, and documentation.
Sprint mechanisms in scrum is really helpful to get things done in an efficient way. It will take off pressure from team member and probability of project success will increase for sure. This is done under the agile umbrella and hence very adaptive in nature. This is it has on traditional waterfall techniques.
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