The Internet Protocol : The Internet Protocol Mushtaq Hussain Naik
System Admin
OSI Model : OSI Model Application Presentation Session Transport Network Physical Data Link
The Network Layer : The Network Layer Navigating data
Source
Destination
Internet Protocol : Internet Protocol Numbering scheme
Largest network of computers
American Registry of Internetwork Numbers (ARIN)
What is an IP address : What is an IP address A way to identify machines on a network
A unique identifier
IP usage : IP usage Used to connect to another computer
Allows transfers of files and e-mail
IP structure : IP structure IP addresses consist of four sections
Each section is 8 bits long
Each section can range from 0 to 255
Written, for example, 128.35.0.72
IP structure : IP structure These four sections represent the machine itself and the network it is on
The network portion is assigned.
The host section is determined by the network administrator
IP structure : IP structure 5 Classes of IP address A B C D and E
Class A reserved for governments
Class B reserved for medium companies
Class C reserved for small companies
IP structure : IP structure Class D are reserved for multicasting
Class E are reserved for future use
IP structure : IP structure Class A begins 1 to 126
Class B begins 128 to 191
Class C begins 192 to 223
Reserved addresses : Reserved addresses Addresses beginning 127 are reserved for loopback and internal testing
xxx.0.0.0 reserved for network address
xxx.255.255.255 reserved for broadcast
IP Addresses : IP Addresses IP addresses are:
Unique
Global and Standardised
Essential
Subnetting - Why? : Subnetting - Why? Division of local networks
Greater number of networks
Simplifies addressing
Subnetting - How : Subnetting - How Bits borrowed from host field
Subnetting -Example : Subnetting -Example 130.5.0.0 - Network address
130.5.2.144 - Host address
255.255.255.0 - Subnet Mask
130.5.2.0 - Subnet
Where do you want to go : Where do you want to go Computer controlled dwellings
Road and rail systems
Criminal tagging Tomorrow?
The Internet Protocol : The Internet Protocol Running out!!
Upgraded to IPv6
Thank you! : Thank you!