I can see heavy confusion on what is 4G? So thought to make a blog post about it. Some people even feel like…. :) Let’s try to understand from basic definition about 4G. As per ITU - 4G refers to wireless technologies which gives as fast as 1Gbps speeds when one is stationary, while 100Mbps speeds when one is on move. That’s it. Full stop. 1Gbps!!! Really? Well, that’s “just in defination”.

Which DNS resolver is better - ISP’s (default) DNS resolver, or Google Public DNS or the pioneer of DNS openDNS or even a local DNS server? Let’s try to find out! I am sitting on a BSNL data link, and I will try to perform few tests to find that out: Available DNS resolvers to me: BSNL DNS resolvers - 218.248.255.194 & 218.248.255.196 Google Public DNS - 8.8.8.8 & 8.8.4.4 OpenDNS - 208.

Recently lucky mobile users in Haryana got MNP i.e Mobile Number Portability. I too ported my number out from Airtel to Tata Docomo. Reason remains the super slow GPRS network (yup gprs, not even upgraded to EDGE in most of Haryana) and crazy service activation followed by irritating sms’es. Here’s my experience with MNP: It took around 20 days in porting of my number, and technically speaking - process is yet not (hundred percent) completed even after a month!

So, finally 3G is set to launch in India from Private operators. One of my friend came to me and asked: “So what should we really expect from 3G? End of wired broadband?” Very nice one! Short answer - NO, NO yet! It’s quite strange to see, how users are taking 3G. Actually it has been largely “overestimated” technology, specially from Indian media. Let’s first try to understand - What exactly is 3G?

This is a question that I have been asked many times via email and sometimes even phone! Situation is this: you wake up in the morning and found your email hosting is down. You are not getting any emails, either they are bouncing back or going to a blackhole. What should you do in such a situation? Email service is much like a chain – if any part is broken, you won’t get things working (apart from lots of frustration!