Tarun Sharma

About Tarun Sharma

Full stack software engineer with an expertise in Systems Software development. Data Science enthusiast.Programming Experience- Software development on linux/QNX/VxWorks/FreeBSD - C, Modern C++, Python, Rust - Networking - IP/MPLS, security groups, overlay networks, dpdk, BIRD/Quagga - Cisco Doppler, Broadcom Jericho NPUs - Web tools - python-flask, dash-plotly, Jinja templates, redis, sqlite@Stackoverflow: http://stackoverflow.com/users/17•••08/brokenfoot@Github: https://github.com/tarun27sh@Blogger: http://cmdlinelinux.blogspot.com/Interests: Cloud Networking, Virtualization, Security & Data Science

Experience

1. Software Engineer

   Cisco

   Jun 2014 — Present · San Francisco, CA, US

   Have worked in Core Infrastructure and Data Plane teams for Cisco\'s linux based routers (IOS-XR - distributed system) and switches (IOS-XE).Led the design and development of Framework to run any kind of traffic (slowpath/fastpath) on IOS XR router- High Performance, socket based (using classic BPF) IO application acting as a proxy to send/receive packets to/from router CPU to router NPU with appropriate encap/decap- NPU programming to complete datapath- Enables running any traffic generator (TRex) or routing daemon (BIRD, QUAGGA, FRR) as docker container running on the router CPU- Container networking between LXC and docker instancesWorked On Cisco’s Software Defined Network (based on LISP control plane and VxLAN data plane on cat9k switches)- Made the network fabric secure by adding Security Group Tags for IPv4/IPv6 hosts- Added high availability for layer-2 LISP control plane- Netflow, AVC (Application Visibility & Control)- Wrote a Python service to ease debuggability in Fabric (multi-switch) setup.Added features to a Remote Procedure Call (RPC) library based on google protocol buffer, epoll & TCP sockets- Extended lsof to show details of remote end of the TCP/UDP connections.

Education

• Arizona State University

  Master of Science (M.S.), Computer Engineering

  2012 — 2014

• Thapar Institute of Engineering & Technology

  B. Tech, Electronics , Instrumentation & Control

  2004 — 2008

Skills

• Wireshark
• Distributed Systems
• Git
• Embedded Linux
• Verilog
• Netstat
• Operating Systems
• Debugging
• Data Structures
• Embedded Software
• Shell Scripting
• Rpc
• Sql
• Linux Kernel
• Linux
• Simulations
• Web Development
• C++
• Software Development
• Python
• Networking
• Device Drivers
• Product Development
• Embedded Systems
• Microcontrollers
• Device Driver Programming
• Networkx
• Algorithms
• Tortoise Svn
• Tcpdump
• C
• Lsof
• Flex
• Lttng
• Protocol Buffers
• Rtos
• Flask
• Java