1 of 7

IP Address Classes

  • Class C
    • N.N.N.H
    • 192-223
    • The first IP Address is the NET ID
    • The last IP Address is the Broadcast Address
    • 254 Hosts per Network
    • Class C reserved for small companies

​

​

2 of 7

DHCP

​

Advantages

    • IP Address management (Automatic)
    • Centralized network client configuration
    • Allow support for bootp client
      • Networks bootp 🡪 DHCP
    • Pools of IP Address (dynamically)
    • Central administration of multiple servers

​

3 of 7

DHCP strategies for IP Allocation

​

    • Manual
    • Dynamic (bootp) – during network initialization
      • Leased with limited time duration
    • Automatic - permanent assign IP
      • DHCP keep record of past IP address
    • Static - pre configuration
      • MAC address 🡨🡪IP address

4 of 7

DNS

​

A Resource Record (RR) is the basic data element in the domain name system. 

Resource Records define data types in the Domain Name System (DNS).

The resource records are created to help DNS work like zone,

so these are also called zone files. 

DNS records are used for mapping URLs to an IP

5 of 7

Principles of network Applications

​

  • Application architecture. Client-Server. ...
  • Processes communicating. Exchange messages. ...
  • Transport services available to applications.
    • Reliable data transfer. ...

​

  • Transport services provided by Internet. TCP. ...
  • Application-layer protocols.
    • The types of messages exchanged,
    • for example, request messages and response messages.

6 of 7

Principles of network Applications

7 of 7

Principles of network Applications

      • Electric Mail
      • The Web
      • Instant messaging
      • Login into a remote computer
      • P2P file sharing
      • File transfer between two accounts on two computers
      • Multi-user networked games
      • Streaming stored video clips
      • Internet phone
      • Real-time video conferencing

​