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Summary
| Description |
English: Message sequence chart illustrating UDP hole punching |
| Date | |
| Source | Own work |
| Author | Chumpih |
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Source
title UDP Hole Punching
A -> S: UDP ( from eAddrA : ePortA )
S <- B: UDP ( from eAddrB : ePortB )
note over S: obtain eAddrA and eAddrB IP addresses,\nthe external NAT ports ePortA and ePortB
S->B : info (eAddrA:ePortA)
S->A : info (eAddrB:ePortB)
A->B : UDP ( from eAddrA : ePortA )
note over A: A's NAT device adds an\nentry to its translation table
note over B: Drops packet since no entry in\nB's NAT's translation table yet
B->A : UDP ( from eAddrB : ePortB )
note over B: B's NAT device adds an\nentry to B's translation table
note over A: Accepts packet since there is\nan entry in translation table
A->B : UDP ( from eAddrA : ePortA )
note over B: Accepts packet since there is\nan entry in translation tableUsed on sequencediagram.com
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:39, 3 December 2023 | | 721 × 943 (48 KB) | Chumpih | Uploaded while editing "UDP hole punching" on en.wikipedia.org |
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