CN-Unit 4 G
Uploaded by
Esprit LawrenceCN-Unit 4 G
Uploaded by
Esprit Lawrence e va
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i Jou hee port
Ie by
Dao ctes oor ret cbr
4 bytes
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— Sequence Numser
224204;
Ack ledge ment cbse? eels eo
acre rem
ee bbe
Seer eca Aman 2 Flag sy
ACK psy, URG, Rot, FIN
Chie "
Bndowdire = 1¢ bits Ubi te,
a checksum (ckio) ~ 9 bit
AYGENE Pokey Cees G) —y byte baby
PGs €0-yo bytes:
© TCP Uteo proc Lato proven Comm Unicatton that means a procedy oR
Oreo: Can COmmunI Gk With OIRNOCe0) Or- cheat) nextreins Neve
coi por € number ('¢ Source Prt addiey aug Aebnration port
Ale
foot-io
WO TECE ESB lo 9 0 Wkends ack torte source:
19 kn0U ack number © Flags
; from
SYN — gynchroni ratio Used +o Csteiblish Cone cH ons
a :
to serer it tends
Pas hom cient
Source ts destination vr
Ce eas velico
YW Jlgnal> fe COB
Ack — ay Nck dlagn set bo then teceiver and Inder CON den
Ack OW LeAseme fr
es crete) PY fending dete
Puan
NG — WS TG Sas ti vettoy
thet 4 1 di Cotes “Uc it CON ine
| CYrgene Ome orGene date } TCP Header formar
deuce port Cl6 bib) i] Destination port Cl6 bits) |
JEG uO OUMber C32-b/ ti)
Acknowledgement number G2 bit )
Header | Yeserve| [ s | A} rlul RiP
length | bib
an
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Window size
Cle bit)
e}s|@ le
N 1k fH) [TIA
y 7 Urgent pointer CCaits )
Checkoum(C kia)
options (0 -Uo) Bytes
“UDP header
User Octagtam Preto co/
a
dource port Ptstingtea pore
Number (1c b/G ) Dumber (le bits)
Total length Checksum
(le bit) (6 bit)
POP header format hos 4 Fields JDuve port Number
1C- 516 of eacrHeyg Destination POLENUMby.
TPlel feng
B bytes — Checkdum
byte
Jize of ve heceten fo
Cece oktek recess mmunication thYOUSK portadd rer
ais os ES — =e
Feat, Teas r
"Y Connectionleya-!
UP fog Ne CHonle 3 Protoco|
» There fy no need Sey
CONN € Chyoa 4)
+ d9Uree Procen and destination proceas- Quality of service!
i i transpo r&
Qaaitty of services primitives provided by transp
lager;
? The term quality of service ten +> quality meotur
oF tometimes jeferi to level of quavity provided ire
the gauranteed vervice quality »
High WAUEy OF service bs
| Uy;
otter confused wlth ow
19h level od perdarmance or achleved service Geatity
Various Wwatity ot service Parameters
—= eS
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