It , -1,7 W - wa AIK - - - - - . = 0.75 . WITT = Est . LRTT ) - - PDF document

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it 1 7 w wa aik 0 75 witt est lrtt der rtt timeout

Aug 15, 2023 235 likes •302 views

TCP continued October 8 : Topics : Fast recovery finish up - state diagram Tcp - TCP Packets to Bytes : . - TCP timers ( single ) for -1/0 AIM 'D - Rough throughput - It , -1,7 W - wa AIK - - - - - . = 0.75 .

SLIDE 1

October 8

TCP continued

Topics

✓

Fast recovery

finish up

✓

Tcp

state diagram

: Packets to Bytes .

✓

timers ( single) for -1/0

AIM'D
Rough throughput

-
waAIK

It, -1,7¥

✓

= 0.75. WITT

Timeout estimation

Tfo

= Est.LRTT)

t 4

. der(RTT)

↳ RTT

variation

↳ smoothing

EWMA .

a pit . , t l ' -d) Rt

Flow

control

Fairness

= A Dt . , t Cl -e)( Rt

SLIDE 2

ver.

1-

551=20

All

④

cw=6

Fast Recovery

[ 5,10]

µAhq€

①

SST

cuz

r-asereo.iq/y

②

ffyaaisimsitdeif

.im?ienggpktfonlyoneJssT--6q--3P5#

arising

dupacks) .

cw=s5

'+3=6

③

SST -13 (

q±

④

Transmit

new plots if this CW

allows

⑤ ¥'÷¥i

:c:p...

⑥

New ACK

CW = SST

SST =3 Cw

Cw = 444

T ew±sEf

SLIDE 3

available b/w

1-

'} or,

timer

"II:: ab

9:00 IOS - Pl - Tfo

= 255

205

→ Pz

3. Os

→ Ps AIs

see remaining

Inoki nos

→ Py

staiaewrasp

TIO

→

51-10

= 15

forth

set timer for 15

¥55

SLIDE 4

④

SST

← A"

w
10 ←

[11,20 ]

515=5 cw=9←

[ I

. 't]

← Are

551=5

←

EEE , IT

ei÷÷e

wake

sleep

UP checkemail

SLIDE 5

Tcp

state diagram

new Aek

¥+1

new ACK news

dwpACK -
O

CW = CW -11 Tx pkts allowed by send Picts based on CW CW x

÷;÷÷*i÷t A

slow

start

Cong

. timeout G #-Avoidance SST =cwk

dupACK= =3

SST = WIZ

k¥141:ftp.tsst#zam9Eck=o

SST -13

Retxtfopkt

÷÷÷¥"÷÷÷i

:"owed .

:¥:

dwpA0K=O

'¥fim:output

Has allowed

dshst.ae?t-w--,3zcw--SSTt3

① dupaek

'Hetman

? signed

w
CW # I

Transmit plots allowed