Seong-lae ChoClassical method before paging but used in virtual address image
More hardware dependent than Paging so Linux uses segmentation in a very limited (minimal). Linux Paging common, do not use segmentation usually because of hardware compatability.
가변적인 영역인 segment로 내부 단편화 X, 외부 단편화 O
Segmentation Notion
has segment number s(identify segment) and d index(of process entry)
- Maps two-dimensional physical addresses
each entry has base and limit
Has also relocation, sharing, allocation issue for fragmentation
