(Internet Protokol)
- Digunakan dalam komunikasi.
- sebagai bahasa penghantaran.
>Layer
Application
Host-to-host
Link interface layer
Ip Address
- alamat untunk menghantar dan menerima (contoh no talifon)
>PC-PC
>PC-Router
Class didalam Ip address
- A 00000001-01111111 =1-127
- B 10000000-10111111 =128-191
- C 11000000-11011111 =192-223
- D 11100000-11101111 =224-239
- E 11110000-11110111 =240-247
W . X .Y.Z
128 bit =IPV6
Class mempunyai 5 class A,B,C,D&E
class A,B&C - ip address dunia
class D - ip address reserve
class E - ip address experiment
Subnet Mask
- makanisma pengiraan umum bagi network-network mewakili nombor binary.
- mengira network & host dalam rangkaain
Ex
N H H H
class A 10 . 1 . 1 . 0
subnet mask 255. 0 . 0 . 0
network address 10 . 0 . 0 . 0
host address 0 . 1 . 1 . 0
N N N H
class C 192.168. 3 . 1
subnet mask 255.255.255. 0
network address 192.168. 3 . 0
host address 0 . 0 . 0 . 1
syarat2 IP address
þ bit dlm octet pertama tk bley sume 0 dan 1
þ bit dlm octet last tk bley sume 0 dan 1
þ octet pertama tk bley una “127.X.Y.Z”
# 127 digunakan utk dirinya sendiri utk tujuan loopback
IP subnetting and CIDR ( Classless interdomain routing)
cth:-
| CLASS | SUBNETMASK | CIDR |
| A | 255.0.0.0 | 10.1.1.10/8 |
| B | 255.255.0.0 | 172.16.30.31/16 |
| C | 255.255.255.0 | 192.168.100.1/31 |
# CIDR mewakili network ID
