Segmentation



[seg-muh n-tey-shuh n] /ˌsɛg mənˈteɪ ʃən/
noun
1.
division into segments.
2.
Biology.

the subdivision of an organism or of an organ into more or less equivalent parts.
cell division.

segmentation
/ˌsɛɡmɛnˈteɪʃən/
noun
1.
the act or an instance of dividing into segments
2.
(embryol) another name for cleavage (sense 4)
3.
(zoology) another name for metamerism (sense 1)

segmentation seg·men·ta·tion (sěg’mən-tā’shən, -měn-)
n.
See cleavage.

networking
(Or “segmentation and reassembly”, SAR) Breaking an arbitrary size packet into smaller pieces at the transmitter. This may be necessary because of restrictions in the communications channel or to reduce latency. The pieces are joined back together in the right order at the receiver (“reassembly”). Segmentation may be performed by a router when routing a packet to a network with a smaller maximum packet size.
The term “segmentation” is used in ATM, in TCP/IP, it is called “fragmentation” an is performed at the IP layer before the “fragments” are passed to the transport layer.
See for example ATM forum UNI 4.0 specification.
[Better reasons?]
(1999-06-14)

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Read Also:

  • Segmentation and reassembly

    segmentation

  • Segmentation-cavity

    noun, Embryology. 1. blastocoel. segmentation cavity noun 1. another name for blastocoel segmentation cavity n. See blastocoel.



  • Segmentation fault

    An error in which a running Unix program attempts to access memory not allocated to it and terminates with a segmentation violation error and usually a core dump. [Jargon File] (1994-12-15)

  • Segmentectomy

    segmentectomy seg·men·tec·to·my (sěg’mən-těk’tə-mē, -měn-) n. Excision of a segment of an organ or a gland.



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