.. عنوان: نمودار تعاملی ماشین حالت TCP
.. اسلگ: tcp-state-machine
.. تاریخ: 2026-03-27 12:00:00 UTC
.. برچسب ها: شبکه ، tcp ، rfc793 ، ماشین دولتی ، ماشین حساب ، ابزار
.. دسته: ماشین حساب
.. لینک:
.. توضیحات: نمودار ماشین حالت TCP قابل کلیک که تمام حالت های RFC 793 را پوشش می دهد. رویدادهای راه‌اندازی، بسته‌های مبادله شده، تایمرها و نکات تشخیصی را برای حالت‌های گیر کرده معمولی نشان می‌دهد.
.. نوع: متن
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<div class="calc-header">
<h2>نمودار تعاملی ماشین حالت TCP</h2>
<p>برای مشاهده رویدادهای راه‌اندازی، بسته‌های مبادله شده، تایمرها و نکات تشخیص وضعیت گیر، روی هر گره حالت کلیک کنید.</p>
<div class="legend">
<div class="legend-item"><div class="legend-dot" style="background:#28a745"></div>حالت های شروع/پایان</div>
<div class="legend-item"><div class="legend-dot" style="background:#4CAF50"></div>حالت های عادی</div>
<div class="legend-item"><div class="legend-dot" style="background:#dc3545"></div>TIME_WAIT / گیر کرده است</div>
<div class="legend-item"><div class="legend-dot" style="background:#f7971e"></div>ایالت های بسته شدن</div>
</div>
</div>
<div class="result-section">
<div class="section-header">نمودار حالت</div>
<div class="section-content" style="padding:12px">
<div id="cy"></div>
</div>
</div>
<div class="result-section" id="detailPanel">
<div class="section-header">جزئیات ایالت</div>
<div class="section-content" id="detailContent">
<p style="color:#999">برای مشاهده جزئیات، روی گره حالت در بالا کلیک کنید.</p>
</div>
</div>
</div>
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        diagnosis:'Many TIME_WAIT: Normal under high connection rate. Mitigate: tcp_tw_reuse=1, reduce tcp_fin_timeout, use persistent connections, or load balance across more ports.' },
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