Everything about Proof Of Concept totally explained
Proof of concept is a short and/or incomplete realization (or ) of a certain method or idea(s) to demonstrate its feasibility, or a demonstration in principle, whose purpose is to verify that some concept or theory is probably capable of exploitation in a useful manner. A related (somewhat synonymous) term is "proof of principle".
The proof of concept is usually considered a milestone on the way to a fully functioning
prototype.
In computer security the term
proof of concept (proof of concept code or
PoC) is often used as a synonym for a
zero-day exploit which, mainly for its early creation, doesn't take full advantage over some vulnerability.
Examples
- Sky Captain and the World of Tomorrow, 300, and Sin City were all shot in front of a bluescreen with almost all backgrounds and props computer generated. All three used proof of concept short films to demonstrate how their finished product would look, and the technical capabilities of the medium. In the case of Sin City, the proof of concept short made by director Robert Rodriguez was also used to convince Frank Miller (the author and artist of the original graphic novel series) that his work would be treated in a respectful manner and thus to approve the release of the movie rights. Supposedly, Rodriguez also used the proof of concept to convince the actors he wanted to cast in various parts.
- The computer animation specialists Pixar sometimes create short animated films that include a proof of concept of a technically difficult task. Their short film Geri's Game (1997) included proofs of concept of the animation of cloth and of human facial expressions. These techniques were later used in the film Toy Story 2 (1999).
- Similarly, in preparation for the creation of the film Finding Nemo (2003), the team created several short proofs of concept to experiment with the animation of water movement, the tentacles of a sea anemone, and the slow appearance of a whale swimming toward the camera from a long distance. These proofs of concept demonstrated ways for the team to accomplish difficult technical tasks, or proved that a particular creative concept "worked" (or didn't work).
In both
computer security and
encryption, proof of concept refers to a demonstration that in principle shows how a system may be protected or compromised, without the necessity of building a complete working vehicle for that purpose.
Winzapper was a proof of concept which possessed the bare minimum of capabilities needed to selectively remove an item from the
Windows Security Log; however, it wasn't optimized in any way.
In the field of
applied research, including
software development, a company presented with a project or proposal will often undertake internal research initially, to prove that the core ideas are workable and feasible, before going further. This use of proof of concept helps establish viability, technical issues, and overall direction, as well as providing feedback for
budgeting and other forms of commercial discussion and control.
In the field of
business development and
sales, a vendor may allow a prospect customer to trial the software product. This use of proof of concept helps establish viability, technical issues, and overall direction, as well as providing feedback for
budgeting and other forms of internal decision making processes.
In mathematics, a "sketch" of a proof is a form of "proof of concept", namely a demonstration in principle that a
mathematical proof or goal is accessible (for example, could be accomplished) using known techniques and methods.
In software development,
proof of concept (abbreviated PoC) is often incorrectly used to describe three processes with different objectives and different participant roles. These uses of the phrase
proof of concept are therefore not synonymous and are delineated below.
A
proof of concept can refer to a partial solution that involves a relatively small number of users acting in business roles to establish whether the system satisfies some aspect of the requirements.
By contrast, the objective of a
proof of technology is to determine the solution to some technical problem, such as how two systems might be integrated or that a certain throughput can be achieved with a given configuration. No business users need be involved in a proof of technology.
A
pilot project refers to an initial roll out of a system into production, targeting a limited scope of the intended final solution. The scope may be limited by the number of users who can access the system, the business processes affected, the business partners involved, or other restrictions as appropriate to the domain. The purpose of a pilot project is to test whether the system is working as it was designed while limiting business exposure.
Further Information
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