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TCP/IP

Packet Pathways Lab — TCP/IP in real racks

This cohort block pairs guided topology walks with capture exercises so you can narrate what changed when latency spikes. You rehearse escalation language in English while mentors annotate your timelines.

6 weeks · hybrid evening labs · Cohort + async video walkthroughs

JPY 98,000 · informational until enrollment PDF is signed

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Inside the syllabus

  • Bench labs with managed taps and mirror ports
  • Guided Wireshark filters matched to syllabus cases
  • Mentor office hours for diagram-to-rack translation
  • Printed scenario cards for outage vocabulary drills
  • Office hour recordings with searchable chapter marks
  • Capstone checklist for documenting interface flaps
  • Peer review of your written incident notes

Outcomes you can evidence

  1. Produce a defensible packet narrative for a single degraded path
  2. Compare retransmit storms vs. upstream shaping without guessing
  3. Ship a two-page operator brief after each lab day

Participant notes

The Packet Pathways Lab forced me to say why a burst was retransmits, not “the internet felt slow.” Week four’s tap placement demo finally clicked.

Leo · Support engineer · Osaka SaaS desk · 5/5 · survey

★★★★☆ Verified learner — loved the vocabulary cards, wanted one more Saturday lab slot.

Hana · 4/5 · Google

Program questions

No. We ship a compact lab loaner kit inside Japan or grant VPN access to our rack slices. Shipping deposits are separate from tuition.