Modeling and Security Analysis of IEEE 802.1AS Using Hierarchical Colored Petri Nets
Why this work is in the frame
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Bibliographic record
Abstract
In recent decades, much attention has been paid to timely and guaranteed delivery in industrial automation networks. Toward this aim, the IEEE 802.1 Time-Sensitive Networking (TSN) task group has developed a series of standards. IEEE 802.1AS Timing and Synchronization protocol is the basis for TSN flow control mechanisms. As a rather new protocol, modeling and security analysis is a highly attractive candidate for developing IEEE 802.1AS. In this paper, we model the IEEE 802.1AS using Hierarchical Colored Petri Nets (HCPNs) and verify the proposed model by state space analysis and synchronization performance analysis. On the basis of our model, the security of the protocol is analyzed, including attack and defense against IEEE 802.1AS. Simulation results verify the validity and practicability of the model.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.003 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it