Sam Kumar
@samkumar_cs
Assistant Professor, UCLA Computer Science (@UCLACompSci). Interested broadly in System Security and Networked Systems.
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People use LLM agents to interact with (access/modify) their system and external services. We (@bimalrajgyawali, @samkumar_cs, and Sai) think this can be a bit dangerous 💣⏲️💥 so we wrote a paper (arxiv.org/pdf/2506.13028) on system guardrails for such agent-driven interactions!
Excited to share that our paper, “High-Level Programming for Application Networks,” has been accepted to #NSDI '25! This marks the first step in realizing our vision for Application Defined Networks (ADN). More details in the thread!
I'm on a plane, and my flight is delayed for over 2 hours. Why? First, they had to replace a seat belt. But their computer didn't recognize the new part number, so they have to replace the entire seat before the plane is allowed to move. The computer made things less efficient...
It’s an honor to have been recognized as a Runner-Up for the @TheOfficialACM SIGSAC Doctoral Dissertation Award at CCS 2024 (@acm_ccs)! I’d like to thank my nominator and letter writers for this award, and my advisors, mentors, and collaborators during my PhD.
I'm in Salt Lake City this week for CCS 2024 (@acm_ccs). I'm excited to meet with other researchers and discuss computer security!
📢 @UCLAComSci is hiring! Open to all CS areas! - Multiple Tenure-track Assistant Professor Positions: recruit.apo.ucla.edu/JPF09799 - Open Rank Teaching Professor Position: recruit.apo.ucla.edu/JPF09800 (We hired 11 Assistant Professors in the past two years ...)
This was a fun project! Developing the reading list as senior grad students, we got to re-read classic systems papers with a fresh perspective. And I'm glad that junior grad students at @Berkeley_EECS now have a more up-to-date reading list introducing them to systems research.
Proud of what we came up with. The new Berkeley OS prelim balances breadth with depth by connecting key modern advances to ideas introduced in older papers. Syllabus: ucbosprelim.samkumar.org
I've wrapped up my postdoc and just moved down to Los Angeles. I'm super excited to start at UCLA CS (@CS_UCLA)! Today is my first day working in person at the @UCLA campus.
In the meantime, I am joining the Allen School at the University of Washington (@uwcse) as a postdoc in the FOCI Center, supervised by Arvind Krishnamurthy (@arvind_uw) and Ratul Mahajan (@ratulm)!
I'm excited to be joining @UCLA Computer Science (@CS_UCLA) as a tenure-track assistant professor in Fall 2024!
Join us in welcoming five new faculty to @UCLA's Computer Science Department (@CS_UCLA). Blaise Pascal-Tine, Saadia Gabriel, Sam Kumar, Eunice Jun and Remy Wang will each bring a unique expertise to the department. #EngineerChange samueli.ucla.edu/ucla-engineeri…
Congratulations to our new doctors in SkyLab @ UC Berkeley! You make us proud! With #ionstoica @zongheng_yang @_parasj @joeygonzalez @samkumar_cs @profjoeyg
Our paper on Skyplane has been accepted to NSDI 2023! We show how to use network overlays to optimize inter-region bulk data transfer in the cloud. Our paper is now available on arXiv: arxiv.org/abs/2210.07259 Our research artifact, Skyplane, is open source (see below).
Releasing Skyplane, a new open-source tool to move huge datasets between clouds. Skyplane is: 1. 🔥 Blazing fast (110x faster) 2. 🤑 Cheap (4x cheaper) 3. 🌐 Universal (AWS, Azure and GCP) Read more: medium.com/@paras_jain/sk… github.com/skyplane-proje… skyplane.org 1/
Read more about how Skyplane works at: medium.com/@paras_jain/sk… This project has been a year long effort by @sarahwooders, @samkumar_cs, @shishirpatil_, @profjoeyg, Ion Stoica and a wonderful team of undergrads at @UCBerkeley @ucbrise @amplab. 4/
I just presented my research on TCP over LoWPANs at #RIOTSummit2022. Thanks @RIOT_OS for the opportunity to present!
And now the #networking session about #TCP #IoT, #DSME #LoRa #MAC layer, and #firmware updates. Thanks to @samkumar_cs, @jialamos, and Benjamin Valentin for sharing their insights! #IoT #openSource
This year's RIOT Summit will take place in #Hamburg @inf_haw_hh and virtual. Do you want to present something? Submit docs.google.com/forms/d/e/1FAI… and join our speakers list summit.riot-os.org/2022/#speakers #IoT #openSource #operatingSystem
LIVE: The IRTF Open session at 19:00-21:00 UTC on 25 July 2022 during #IETF114 will be streamed live, with #ANRP talks by Tushar Swamy on “Taurus: A Data Plane Architecture for Per-Packet ML” & Sam Kumar on “Performant TCP for Low-Power Wireless Networks” ietf.org/live/ietf114-i…
I arrived in Carlsbad earlier today. I’m excited for OSDI starting tomorrow! #osdi22
#ICYMI: “How can we design systems to use cryptography efficiently and manage overheads?” @samkumar_cs Kumar unpacked how to rethink cryptography in the overall system in our interactive #TechTalk. Thank you, Sam, for this thought-provoking session & @gnychis for moderating it.
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