المحاضره الخامسه

Internet Architecture
Lecture 5:
How Internet Addresses and
Domains WorkII

Assistant Teacher Samraa Adnan Al-Asadi 1
How Static and Dynamic IP Addresses
Work
1* When you connect to the Internet, your computer
must be identified by a number called an IP address.
There are two different methods for assigning IP
addresses, statically or dynamically. When you have a
static IP address, your computer keeps the same IP
address every time you connect to the Internet. Dynamic
addresses, on the other hand, are assigned every time
you connect to the Internet.
Assistant Teacher Samraa Adnan Al-Asadi 2
How Static and Dynamic IP Addresses
Work
Assistant Teacher Samraa Adnan Al-Asadi 3
How Static and Dynamic IP Addresses
Work
Assistant Teacher Samraa Adnan Al-Asadi 4
How Static and Dynamic IP Addresses
Work
Assistant Teacher Samraa Adnan Al-Asadi 5
How Static and Dynamic IP Addresses
Work
Assistant Teacher Samraa Adnan Al-Asadi 6
How Static and Dynamic IP Addresses
Work
Assistant Teacher Samraa Adnan Al-Asadi 7
How Static and Dynamic IP Addresses
Work
Assistant Teacher Samraa Adnan Al-Asadi 8
How Static and Dynamic IP Addresses
Work
Assistant Teacher Samraa Adnan Al-Asadi 9
How Static and Dynamic IP Addresses
Work
Assistant Teacher Samraa Adnan Al-Asadi 10
How Network Address Translation
Works
1* Computers and devices on the Internet need to have
a unique IP address to perform simple tasks such as
browsing the Web. But the Internet has grown so
substantially since it was invented, that there are not
enough IP addresses to go around. To solve the problem,
Network Address Translation (NAT) is used, which also
has the added benefit of protecting PCs inside a
network. In a home network, NAT is performed by a
home router.
Assistant Teacher Samraa Adnan Al-Asadi 11
How Network Address Translation
Works
Assistant Teacher Samraa Adnan Al-Asadi 12
How Network Address Translation
Works
Assistant Teacher Samraa Adnan Al-Asadi 13
How Network Address Translation
Works
Assistant Teacher Samraa Adnan Al-Asadi 14
How Network Address Translation
Works
Assistant Teacher Samraa Adnan Al-Asadi 15
How Network Address Translation
Works
Assistant Teacher Samraa Adnan Al-Asadi 16
Thank you
Assistant Teacher Samraa Adnan Al-Asadi 17