Meet Dr. Network troubleshooter !

Photo by Pixabay on Pexels.com 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 Pexels.com 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!

Dpdk, drivers and Ovs !!

Photo by Flickr on Pexels.com Dpdk uses its own vendor supported poll mode drivers and kernel needs to be told that. Kernel needs to provide pass through drivers for those devices. These drivers map/bind device memory to user space application and registers interrupt. Applications use appropriate PMDs to poll memory of these devices in order … Continue reading Dpdk, drivers and Ovs !!

Working with TripleO Composable Roles!!

Problem: Deploying heterogeneous compute nodes (NICs in this document) using TripleO Openstack deployment tool. Solution: Composable roles give a great flexibility to the deployment and are good way to have own customized environment while using Redhat director (Triple O upstream project). Test deployment contains 2 compute nodes and 3 controller nodes. Both computes nodes are … Continue reading Working with TripleO Composable Roles!!

SR-IOV Trusted VF and VLAN trunking

Use case: SR-IOV VF port binding to VNF provisions the higher level of throughput and latency performance which is a generic demand for the mission critical infrastructure. Such ports can work in “access”,flat”, or “promiscuous mode” in relation to the VNF interface and carry VLAN tags accordingly. VNFs with large number of ingress/egress ports (i.e. … Continue reading SR-IOV Trusted VF and VLAN trunking

Dietitians don’t tell this!!

My desire for food is unsating. And so as its side effects. The ruthless tongue is uncontrollable and Poor tummy is its favorite victim. Luckily digestion system is still holding the fort for taste buds. But, Personality is at the risk now. I didn't choose to visit a dietitian or gym instructor to get back … Continue reading Dietitians don’t tell this!!

Point based dynamic vote valuation system!!

Problem: In today’s voting system, each cast vote’s value is considered as 1 single vote. This system has led us to a problem which our country is facing today and also to some extent discouraging the people to vote.Let’s take an example.Person A is very honest, nationalist and in all manners, a true soldier fighting … Continue reading Point based dynamic vote valuation system!!

Technology innovations and Indian Education system!!!

Recently, while attending very highly technical event, I came across some interesting statistics.China filed whopping number of patents being 293066, 415829, 535313 in Years of 2010, 2011 and 2012 respectively.  Total of 2,397,843 filed during 1998 to 2012. Out of these, 6.46% makes it to 154900 filed in Compute technology areas. India’s statistics for similar period looks … Continue reading Technology innovations and Indian Education system!!!

Shoot the aim!! NaMo and 2014 election

Photo by Element5 Digital on Pexels.com I too have ambitions, plans to accomplish them but then let’s pause for some time and analyze NaMo's success it teaches something. Have we ever realized that our day to day work be it studying of aspiring student or programming of  a prolific coder, can be a greatest show case … Continue reading Shoot the aim!! NaMo and 2014 election