Iam a bit confused about the difference between system demos and sprint reviews. They sound the same to me and a bit repetitive. System demo is all about showing what the teams, on one ART, have worked on in the recent iteration to stakeholders, customers, business owners, etc. I understand that the system demo is more of a integrated demo and it shows all the components put together. Sprint reviews are more on team level, but it has the same purpose where you have customers, business owners, etc and you show them the MVP that you accomplished this recent iteration and you take feedback back to the teams. So what is the benefit of a system demo? Wouldn't you get the same feedback, same audience, etc.? Ultimately wouldn't the main purpose of both meetings would just be to take away positive/constructive feedback?
The assumption here is that you have multiple teams working from a single product backlog. Someone can correct me if I'm wrong here but I don't believe SAFe calls for an integration of all the teams increments until the end of the program increment which is the reason for the system demo. So the Iteration Review would be at the team level as you mentioned, however, their work may not be integrated with the other teams yet. The System Demo is essentially the same thing but all of the team's work should be integrated together at that point.
To address the last part of your question, yes you'd likely get the same audience they would just be viewing an integrated demonstration of the end to end system. I'd almost look at it as a picture cut in half. During the iteration review the stakeholders may see the left side of the picture and during the system demo they would see the left and right.
If you're following a Nexus framework the Scrum teams would be required to produce an integrated product backlog increment of all teams each and every Sprint (thus a 'system demo' would not be necessary).
In SAFe, an Iteration Demo (their analogy to the Sprint Review) is held at the team level while the System Demo is held at the Program level. Both occur at the end of every iteration. At the Iteration Review, each team will demonstrate their work to the Product Owner and receive feedback on it. This event caters to the stakeholders of each team, which may include other teams. The System Demo is at the Program or Agile Release Train level and caters to the stakeholders with an interest in the output of the ART.
In my experience in scaled (multiple teams, one product) environment, this is duplication. I prefer the model from Nexus or LeSS where all of the teams working on a single product have a unified review at the end of the Sprint or iteration. This is much lighter weight in terms of process and I believe provides a solid foundation. If a team believes that they would like to get together and hold a review and optionally invite stakeholders, that is their decision and I don't see any reason why it would be prohibited.
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The System Demo provides stakeholders an integrated view of new features for the most recent iteration delivered by all the teams on the ART. Each demo provides an objective measure of progress and the opportunity to give feedback.
The system demo tests and evaluates the complete solution in a production-like context (often a staging environment) to receive feedback from stakeholders. These stakeholders include Business Owners, executive sponsors, other Agile Teams, development management, and customers (and their proxies) who provide input on the fitness for purpose for the solution under development. The feedback is critical, as only they can guide the ART to stay on course or make adjustments.
The system demo must occur within the time bounds of the following iteration. ARTs must make all the necessary investments to allow the system demo to happen in a timely cadence. A lagging system demo is often an indicator of larger problems within the ART, such as continuous integration maturity or System Team capacity.
Continuous integration validated by the system demo contributes to the ability of the enterprise to achieve faster time-to-market through a more continuous flow of value to its customers as outlined in the Agile Product Delivery competency.
The system demo tests and evaluates the full solution in a production-like context (often staging) to receive feedback from stakeholders. These stakeholders include Business Owners, executive sponsors, other Agile Teams, development management, customers (and their proxies) who provide input on the fitness for purpose for the solution under development. The feedback is critical, as only they can give the guidance the ART needs to stay on course or make adjustments.
The system demo must occur within the time bounds of the following iteration. ARTs must make all the necessary investments to allow the system demo to happen in a timely cadence. In fact, a lagging system demo is often an indicator of larger problems within the ART, such as continuous integration maturity or System Team capacity.
Continuous integration validated by the system demo contributes to the ability of the Lean Enterprise to achieve faster time-to-market through a more continuous flow of value to its customers as outlined in the Agile Product Delivery competency.
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This is an Agile Release Train Level event in SAFe that occurs after every iteration to integrate work from all agile teams from the most recent iteration. It gives an opportunity to the ART stakeholders to evaluate the progress of the Features and provide quick feedback to the agile teams. This feedback helps in assessing whether to pivot (change direction) or persevere (continue with the work). At the end of the PI, there is a PI System demo, where all the Features developed in the PI are demonstrated to the ART stakeholders.
Often when new ARTs are formed to support a development value stream, a dedicated system team is not created upfront. In such instances, either the system demo is skipped or postponed to a later iteration, missing the opportunity to get timely feedback for the Plan, Develop, Change and Adapt (PDCA) cycle!
No buy-in from the system team to do system demos for a newly formed ART; The testers do not account for the integration efforts as part of their capacity; Automation is not given importance from day 1, leading to delayed integration testing; Architects are not focused on Automation activities and do not collaborate with Product Managers and Product Owners to set expectations for the system team and integration testing; Only PI System Demo is conducted, leaving limited to no room for incorporating feedback; Team members are not part of the system demo; Business Owners and stakeholders do not take out time for demos; and Teams present screenshots during the demo instead of working software.
The EMNLP 2023 System Demonstration Program Committee invites proposals for the Demonstrations Program. Demonstrations may range from early research prototypes to mature production-ready systems. Of particular interest are publicly available open-source or open-access systems. We additionally strongly encourage demonstrations of industrial systems that are technologically innovative given the current state of the art of theory and applied research in natural language processing. Each submitted demonstration must be accompanied by a submitted paper describing the system (see below).
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