An Educational Networking Framework for Full Layer Implementation and Testing

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We present the KENSv2 (KAIST Educational Network System) framework for network protocol implementation. The framework is event-driven to guarantee deterministic behaviour and reproducibility, which in turn delivers ease of debugging and evaluation. Our framework consists of four components: the event generator, the virtual host, the TCP driver and the IP driver. The two drivers are what students have to implement, and we oer to the students the drivers in the binary format for paired testing and debugging. We have developed a test suite that covers three categories of test cases: specication, paired, and logic tests. The frame-work logs packet transmissions in the PCAP format to allow use of widely available packet analysis tools. Those tools help inspecting logical behaviour of student solutions, such as congestion control. We have designed ve step-by-step assignments and evaluated student submissions. With our automated test suite, we have cut down the number of TAs by half for the doubled class size from the previous semester, in total of 3 TAs and 49 students. We plan to continue us-ing KENSv2 in our undergraduate networking course and expand the test suite.
Publisher
ACM
Issue Date
2015-03-04
Language
English
Citation

46th SIGCSE Technical Symposium on Computer Science Education, SIGCSE 2015, pp.663 - 668

DOI
10.1145/2676723.2677304
URI
http://hdl.handle.net/10203/205858
Appears in Collection
CS-Conference Papers(학술회의논문)
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