Assignment of Addresses
Application Layer address (URL)
- For servers only (clients don’t need it)
- Assigned by network managers and placed in configuration files.
- Some servers may have several application layer addresses
Network Layer Address (IP address)
- Assigned by network managers, or by programs such as DHCP, and placed in configuration files
- Every network on the Internet is assigned a range of possible IP addresses for use on its network
Data Link Layer Address (MAC address)
- Unique hardware addresses placed on network interface cards by their manufacturers ( based on a standardized scheme)
Servers have permanent addresses, clients usually do not