The basics of connection tracking and offload

Photo by Towfiqu barbhuiya on In this blog, i will explain the basics of connection tracking in form of FAQs. A. Connection tracking maintains the state of the connection? Ok, What does it mean?  There are lots of packets coming-in and going-out of a system connected to the network. Admin knows that. But what … Continue reading The basics of connection tracking and offload

Measuring Geneve Tunnel Throughput for Hardware-Accelerated DataPath with OVN!!

Along with my co-presenter, I am explaining the way to avoid ovn gateway and directly establishing communication with DUT to stress DUT at line rate with Geneve packets.  Presented at OVSCon 2021 Fall

Timemaster, Openstack and vRAN

Photo by Jordan Benton on Recently released Red hat openstack platform 16.2 introduced a tech preview integration feature called timemaster service. Time synchronization is one of the vital piece for vRAN infrastructure (explained towards the end of the blog) and timemaster provides HA between PTP (Precision time protocol) and chrony (NTP based) time services. … Continue reading Timemaster, Openstack and vRAN

How to hijack country’s sovereignty…digitally!

Photo by George Becker on Since last US election, I am seeing lots of concerning news related to twitter, About Twitter's policies at various occasions, reactions on various Govt's policies, All in name of "Freedom of Expression" (selective Freedom of expressions!) Below are few headlines, read before we start, IT Minister Ravi Shankar Prasad … Continue reading How to hijack country’s sovereignty…digitally!

Lets understand OpenVPN !

VPN is not a new concept and almost everyone working with IT or ITES sectors are aware of it. However, Today's pandemic situation have taken VPN concepts beyond IT folks. For example, People working in Financial institutions, Bank employees who are working from home, use it today to connect to their company's IT resources over … Continue reading Lets understand OpenVPN !

Monopoly of play stores and how open source can help to break it!

In App store business, Google and Apple enjoy the absolute monopoly And Monopoly is unhealthy for competition. I would highlight a few reasons here How to break giants's monopoly and not let abuse the competition.  Recently, Paytm was briefly banned in Google play store citing the reasons of violating Google play store terms. Paytm is … Continue reading Monopoly of play stores and how open source can help to break it!

Whats(App) the fuss about??

So, there have been calls now to ban WhatsApp in india. Few of my friends already moved to other messenger platforms and Reason, Newly updated WhatsApp policy. They said that it infringes to Users privacy as new policy sees sharing more user data to parent Facebook. Obviously, I am too concern about my Privacy and … Continue reading Whats(App) the fuss about??

Meet Dr. Network troubleshooter !

Photo by Pixabay on Networking issues are very complex and critical for any IT infrastructure. We fix one and ten new pops up from no where. As it is very critical foundation for any enterprise/telco network on which entire business is built and run, any sluggishness/break down/breach in it are the nightmare issues for … Continue reading Meet Dr. Network troubleshooter !

Lets understand the openvswitch hardware offload!

Photo by Brett Sayles on Purpose of this blog is to provide a reference guide explaining all basics of configuration/troubleshooting issues pertaining to Ovs Hw offload + Openstack + Mellanox smart NICs Lets begin. Building blocks: Below drawing depicts the building blocks involved when ovs hw offload deployed with Openstack. This feature is available … Continue reading Lets understand the openvswitch hardware offload!