Vipin Padmam Ramesh

Experience

• 

  Avi Networks

  Jan 2018 - Aug 2019

  Worked on the TENS project Phase II :> Part of the core development team for a utility built from scratch;> Overcame scalability challenges while working on a distributed system;> Managing deployment across various cloud environments (Azure, AWS, etc.) and on-prem instances (VMware, Baremetal, etc.);> Orchestrated distributed load emulation, whilst closely mimicking real-world traffic patterns; -- Worked on docker, kubernetes, libcurl, libuv, postgreSQL, python-flask server, ZMQ, redis-queues, celery task queues, openSSL. Show less

  • Member Of Technical Staff

    Jul 2018 - Aug 2019

  • Project Intern

    Jan 2018 - Jul 2018
• 

  VMware

  Aug 2019 - Dec 2023

  Worked on the NSX-ALB Service Engine Platform / Performance :> Understanding bottlenecks in the packet processing pipeline; e.g. branch prediction, prefetching, page faults, process preemption, locking, contention scopes, multithreading, etc.> Understanding hardware capabilities; e.g. hardware offloads, processor isolation, use of hyper-threading, effective use and provisioning of RX/TX ring buffers, use of RSS, etc.> Improved packet I/O performance by ~20 %> Worked on CPU, memory management, and other low-level optimisations native to the Linux Operating System;> Gather detailed and granular insights on latencies and bottlenecks incurred in the packet path, and stream those invaluable metrics to the control plane. Show less

  • Member of Technical Staff 3

    Mar 2021 - Dec 2023

  • Member of Technical Staff 2

    Aug 2019 - Mar 2021
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  Broadcom

  Dec 2023 - now

  R&D Software Engineer 3

  > Drove the Intel QAT initiative for the ANS ALB : • Worked with openSSL crypto engines • Worked on DPDK QAT interface using the cryptodev interface • Achieved software acceleration by 70% on CPUs using AES and AVX512 instruction sets • Achieved hardware acceleration by 400 % using Intel QAT 4943 co-processor • Achieved hybrid acceleration by 600 % using Intel QAT engine> Design of FIPS mode of operations within the ANS ALB using OpenSSL 3.x for 140-2 level 1 and 140-3 using crypto provider interface > Replicating UDP flows for a Telecom customer : • Implementation of a NAT based traffic migration in case of traffic failure • Mirroring UDP flows and replicating hash lookup tables across service cores across datapath instances • Detailed analytics of the failover to standby in case of orphaned instances Show less