How Can Many Users Share the Same Port ( TCP / HTTP Listening )

So, what happens when a server listen for incoming connections on a TCP port? For example, let’s say you have a web-server on port 80. Let’s assume that your computer has the public IP address of 24.14.181.229 and the person that tries to connect to you has IP address 10.1.2.3. This person can connect to …

HTTP 2 Frame Format

All HTTP 2 frames begin with a fixed 9-octet header followed by a variable- length payload as shown in following Figure.

 Figure : HTTP 2 Frame Layout So there are total six fields in HTTP 2 frame. Now lets see each field  in detail : Length: The length of the frame payload expressed as an …

Water scarcity in Maharashtra state and Hi-Tech solutions – Part 1

State Maharashtra is battling with worst drought situation in the recent days. Where every drop of water has become precious. State includes several villages in various districts which are affected badly. This includes districts Jalna Beed Aurangabad Dhule Sangli Satara Nagpur Akola Yavatmal In-fact in Jalna district, the grave water scarcity has even compelled villagers …

Using HTML5 Web Workers with AngularJs

Web workers introduced in Html5 provide a background mechanism to perform multi-threaded tasks. They add the ability to perform computationally heavy tasks like downloading or mathematical computation without hanging the user interface. Although AngularJS and web workers are both intended for asynchronous execution, both serve different purposes and should be used in conjunction. Angular JS …

Watch LIVE Republic Day Parade – 26th January 2017

India celebrating 68th Republic Day on 26 January 2017.  Proud Indians and Indophiles from all over the world will be watching this celebration live from Rajpath, New Delhi. This year PM Narendra Modi welcomes Crown Prince Sheikh Mohamed bin Zayed Al Nahyan of Abu Dhabi, who will grace the occasion as Chief Guest. This live cast is …

What is IP address "overlapping" within the context of NAT ?

IP address overlapping refers to a situation where two locations that want to interconnect are both using the same IP address scheme. This is not an unusual occurrence; it often happens when companies merge or are acquired. Without special support, the two locations will not be able to connect and establish sessions. The overlapped IP …