Understanding TCP/IP and OSI Models will help you visualize how Network Protocols work together to establish Network connections among network devices and be able to exchange information. There are too many ways to understand TCP/IP and OSI Modules concept, the most known way is to compare or map the modules to Post Office’s departments since… Continue Reading …
Archives for October 2013
Understanding Ethernet LAN Standards
Each language got it’s own grammar, rules, regulations, and standards, and Ethernet is no exception. Understanding Ethernet LAN Standards will introduce to the most famous language used at the media level. In order to deal with Ethernet language, you have to understand and grasp its standards. Standards can be speed, cables length, cable pinouts, cable… Continue Reading …
Understanding WAN Technologies
The moment packets hit the Router’s internet Interface, they become at what is called WAN. Understanding WAN Technologies and why Networks were divided to Local Area Networks (LAN and Wide Area Network (WAN) will help you distinguish among what I call Packet Carriers Technologies which carry generated Packets among Network devices from hop to hop.… Continue Reading …
Understanding IP Routing Process Concept
Understanding IP Routing Process Concept explains how Routing and Forwarding decision is made based on intelligent information. Network Layer is the decision makers when it comes to IP Packet Routing, Data Link Layer takes care of Frame Forwarding. When it comes to IP packet routing, action is based on IP Protocol, Network cost, Routing Table, Next… Continue Reading …
Understanding Web Browser DNS Lookup
Understanding Web Browser DNS Lookup function will show you what’s happening behind the seen when PC1’s Web Browser request a web page from Remote Host such Web Server or Hosting Server. The key piece used to Resolve Human Names into matching IP addresses is is Domain Name System (DNS) or Nameservers. So, imagine that every… Continue Reading …
Understanding TCP and UDP Protocols
Understanding TCP and UDP Protocols help you understand Transport Layer Functions. Having said this, two major protocols located at Transport Layer. 1) Transmission Control Protocol (TCP) which it’s a Connection Oriented Protocol, 2) User Datagram Protocol (UDP) which is Connectionless Protocol. These protocols are the backbone of Segmentation process. TCP and UDP are the most… Continue Reading …