Revision as of 15:38, 24 December 2021 edit GKNishimoto (talk \| contribs) Extended confirmed users 701 edits →OSI model Tags: Mobile edit Mobile web edit Advanced mobile edit ← Previous edit		Revision as of 15:38, 27 December 2021 edit undo Kvng (talk \| contribs) Extended confirmed users, New page reviewers 115,952 edits rm complicated, not well written and off topic Next edit →
Line 33: Given a context pertaining to a specific OSI layer, ''PDU'' is sometimes used as a synonym for its representation at that layer. When the PDU of one layer (''n''), sent as SDU to the layer one lower than it (''n-1''), plus any metadata ([[Header (computing)\|headers]]/[[Trailer (computing)\|trailers]]) that layer ''n-1'' adds to the SDU would exceed the largest size that layer ''n-1''<nowiki/>'s PDU can be, IP fragmentation is invoked to break it up into multiple payloads that fit in the layer-''n-1'' PDU's. ===Internet protocol suite===

Protocol data unit: Difference between revisions