This YouTube video illustrates the operation of the sliding window. This is an exercise given to students to understand the operation of Go-Back-N and Selective Repeat networking protocols.
Type of Material:
Case Study
Video
Recommended Uses:
In-class and self-paced.
Technical Requirements:
Standard browser
Identify Major Learning Goals:
To learn about Go-back-N and Selective Repeative ARQ protocol (e.g., basic operation) through a question.
Target Student Population:
Undergraduate and Graduate students studying computer networking protocols
Prerequisite Knowledge or Skills:
Basic knowledge on networking
Fundamentals of computer networking; communication via computer network protocols
Content Quality
Rating:
Strengths:
The content is basically self-contained and appropriate. The concept is illustrated through a question and explained with animations in the video. This can be used in a lecture. For example, a teacher can first present the ARQ protocol and then play this video.
Illustrates protocols graphically
Concerns:
It is not interactive.
Depends on significant context not included in the material
Potential Effectiveness as a Teaching Tool
Rating:
Strengths:
The learning goals are clear. It can help reinforce the concept of ARQ protocols through a question (i.e., promote conceptial understanding). The question is in general effective because it illustrates a classic scenario.
Concerns:
As mentioned before, it lacks any interactive elements. The presentation/animation is satisfactory but not very attractive.
Ease of Use for Both Students and Faculty
Rating:
Strengths:
The video quaity is fine. The presentation/animation is satisfactory in general. The duration is appropriate - it is easy to use/play in a lecture (i.e., to complement a lecture).
Creative Commons:
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