Introduction to Domain Name Server I have seen many experienced developers and system administrators that have not dealt with network settings are confused about Domain Name Server (DNS) settings. This is especially true if you are trying to set up your mail server or web server and configure your DNS settings to correctly direct the
Author: bkumar
I have over 30+ years of experience of product development and R&D in Software Engineering, IP Networking, Wireless, Computing Security, and Web Technologies. Besides being part of product development and R&D teams, I have been involved in wide range of activities such as setting up Cloud Computing & Data Center Infrastructure, Scale-able Media Streaming, SIP VoIP Phone Networks, Software and Hardware development, Patents Filings, Claim Charts & Evidence of Use (EOU) Development, Patent Litigation Support & participating in many Standards bodies.
Making Sense of Video Streaming Protocols
In my previous article – “Making Sense of Video Streaming Formats”, I discussed various video streaming formats and their differences. Before you plan for broadcasting videos, or preparing video streams for streaming, it is important that you understand various video container formats. As a matter of fact, half the mystique in video streaming is knowing
Making Sense of Video Streaming Formats
Watching streaming video is perhaps the most dominant activity on Internet in terms of bandwidth usage and popularity with average Internet users. Both live streaming and the streaming of the stored video contents require understanding of video formats, streaming servers, content distribution networks (CDNs) and streaming protocols. This is a very confusing area even for
Migrating Systems to Amazon Cloud: Tips, Tricks and Techniques
1. Background For the last several months, I was involved in designing, planning and setting up a few large cloud based infrastructure for transactions processing and real time content delivery. All these setups had a quite complex software architecture involving several dozen of inter-connected server instances, numerous commercial and private AMIs in each case. Now
Cloud Monitoring Tools and Best Practices
Cloud computing has seen significant growth in the last few years. There is a clear boom in companies moving away from the dedicated data centers to public or cloud services. This trend is likely to grow even stronger in the coming months as more organizations find value in moving a part (or all) of their
Connectivity Options for the Internet of Things (IoT)
First, it was M2M – Machine to Machine communication a technology that was suppose to revolutionize our world, but never really took off in a big way due to the cost of embedding cellular connectivity in the end devices. Now M2M has been replaced with IoT – Internet of Things, a better sounding term and
A Case for Cloud Based SaaS Billing for Telecom Operators
Managing telecom operations is a complex endeavor as it involves managing many layers of complex systems designed to deal with business issues, technology equipment, and customer management. Besides, a telecom operator has to deal with retail customers, wholesale customers, resellers, partners, employees, contractors, installers and a myriad of equipment and service suppliers. Despite all this
Setting In-house Private Cloud with OpenStack
It appears that traditional data center architecture built around the clusters of dedicated servers is now obsolete. In the last few years, increasing number of companies virtualized their data centers to support various in-house applications. However, virtualization which was the buzzword until recently is now simply being looked upon as a stepping stone to create
How to Avoid Sony-Like Data Security Breach
Big corporations in the US continue to lose critical and confidential information to unknown hackers at a very alarming rate. First, it was massive and embarrassing data breach at Sony Pictures and then it was soon followed by the equally damaging breach at Anthem Inc, a major insurer. They lost information of about 80 million
Voice Over LTE – What the Fuss is All About
US cellular carriers continued the aggressive deployment of LTE in all major metro areas in the year 2014 to attract more subscribers (and also the right to brag who has the biggest LTE network in the country). We all enjoy the higher data rates. But, there is more LTE. One of the most exciting features