2026
OptCCL: Scalable Synthesis of Optimal Collective Communication Algorithms
Richard Shapley, Rachit Agarwal, David Shmoys
SIGCOMM
Understanding Host Network Stack Latency
Tianyu Zuo, Jaehyun Hwang, Ao Tang, Rachit Agarwal, Qizhe Cai
SIGCOMM
2024
Tiered Memory Management: Access Latency is the Key!
Midhul Vuppalapati, Rachit Agarwal
SOSP
Fast & Safe IO Memory Protection
Benny Rubin, Saksham Agarwal, Qizhe Cai, Rachit Agarwal
SOSP
Understanding the Host Network
Midhul Vuppalapati, Saksham Agarwal, Henry Schuh, Baris Kasikci, Arvind Krishnamurthy, Rachit Agarwal
SIGCOMM
(Best Student Paper Award)
(SIGMETRICS Best-of-the-rest)
Harmony: A Congestion-free Datacenter Architecture
Saksham Agarwal, Qizhe Cai, Rachit Agarwal, David Shmoys, Amin Vahdat
NSDI
High-throughput and Flexible Host Networking for Accelerated Computing
Athinagoras Skiadopoulos, Zhiqiang Xie, Mark Zhao, Qizhe Cai, Saksham Agarwal, Jacob Adelmann, David Ahern, Carlo Contavalli, Michael Goldflam, Vitaly Mayatskikh, Raghu Raja, Daniel Walton, Rachit Agarwal, Shrijeet Mukherjee, Christos Kozyrakis
OSDI
Length Leakage in Oblivious Data Access Mechanisms
Grace Jia, Rachit Agarwal, Anurag Khandelwal
Usenix Security
Exploiting Leakage in Password Managers via Injection Attacks
Andrés Fábrega, Armin Namavari, Rachit Agarwal, Ben Nassi, Thomas Ristenpart
Usenix Security
Injection Attacks Against End-to-End Encrypted Applications
Andrés Fábrega, Carolina Ortega Pérez, Armin Namavari, Ben Nassi, Rachit Agarwal, Thomas Ristenpart
IEEE S&P (Oakland)
Incentives in Dominant Resource Fair Allocation under Dynamic Demands
Giannis Fikioris, Rachit Agarwal, Éva Tardos
SAGT
2023
Host Congestion Control
Saksham Agarwal, Arvind Krishnamurthy, Rachit Agarwal
SIGCOMM
(IRTF Applied Networking Research Prize)
Karma: Resource Allocation for Dynamic Demands
Midhul Vuppalapati, Giannis Fikioris, Rachit Agarwal, Asaf Cidon, Anurag Khandelwal, Éva Tardos
OSDI
Formal Methods for Network Performance Analysis
Mina Tahmasbi Arashloo, Ryan Beckett, Rachit Agarwal
NSDI
2022
dcPIM: Near-Optimal Proactive Datacenter Transport
Qizhe Cai, Mina Tahmasbi Arashloo, Rachit Agarwal
SIGCOMM
Also, see our PODC'22 paper for a deeper theoretical exploration of dcPIM.
Towards μs Tail Latency and Terabit Ethernet: Disaggregating the Host Network Stack
Qizhe Cai, Midhul Vuppalapati, Jaehyun Hwang, Christos Kozyrakis, Rachit Agarwal
SIGCOMM
ShortStack: Distributed, Fault-Tolerant, Oblivious Data Access
Midhul Vuppalapati, Kushal Babel, Anurag Khandelwal, Rachit Agarwal
OSDI
Optimal Oblivious Reconfigurable Networks
Daniel Amir, Tegan Wilson, Vishal Shrivastav, Hakim Weatherspoon, Robert Kleinberg, Rachit Agarwal
STOC
Also, see our NSDI'19 paper that motivated this work.
From Switch Scheduling to Datacenter Scheduling: Matching-Coordinated Greed Is Good
Rachit Agarwal, Shijin Rajakrishnan, David Shmoys
PODC
Also, see our SIGCOMM'22 paper that motivated this work.
Understanding Host Interconnect Congestion
Saksham Agarwal, Rachit Agarwal, Behnam Montazeri, Masoud Moshref, Khaled Elmeleegy, Luigi Rizzo, Marc de Kruijf, Gautam Kumar, Sylvia Ratnasamy, David Culler, Amin Vahdat
HotNets
Also, see our SIGCOMM'21 paper that motivated this work.
Jiffy: Elastic Far-Memory for Stateful Serverless Analytics
Anurag Khandelwal, Yupeng Tang, Rachit Agarwal, Aditya Akella, Ion Stoica
EuroSys
2021
Understanding Host Network Stack Overheads
Qizhe Cai, Shubham Chaudhary, Midhul Vuppalapati, Jaehyun Hwang, Rachit Agarwal
SIGCOMM
Rearchitecting Linux Storage Stack for μs Latency and High Throughput
Jaehyun Hwang, Midhul Vuppalapati, Simon Peter, Rachit Agarwal
OSDI
CodedBulk: Inter-Datacenter Bulk Transfers using Network Coding
Shih-Hao Tseng, Saksham Agarwal, Rachit Agarwal, Hitesh Ballani, Ao Tang
NSDI
2020
Pancake: Frequency Smoothing for Encrypted Data Stores
Paul Grubbs, Anurag Khandelwal, Marie-Sarah Lacharité, Lloyd Brown, Lucy Li, Rachit Agarwal, Thomas Ristenpart
Usenix Security
(Distinguished Paper Award)
TCP ≈ RDMA: CPU-efficient Remote Storage Access with i10
Jaehyun Hwang, Qizhe Cai, Ao Tang, Rachit Agarwal
NSDI
Building An Elastic Query Engine on Disaggregated Storage
Midhul Vuppalapati, Justin Miron, Rachit Agarwal, Dan Truong, Ashish Motivala, Thierry Cruanes
NSDI
2019
Shoal: A Network Architecture for Disaggregated Racks
Vishal Shrivastav, Asaf Valadarsky, Hitesh Ballani, Paolo Costa, Ki Suh Lee, Han Wang, Rachit Agarwal, Hakim Weatherspoon
NSDI
Also, see our STOC'22 paper for a deeper theoretical exploration of latency-throughput tradeoff in reconfigurable circuit-switched networks.
Confluo: Distributed Monitoring and Diagnosis Stack for High-speed Networks
Anurag Khandelwal, Rachit Agarwal, Ion Stoica
NSDI
2018
Sincronia: Near-Optimal Network Design for Coflows
Saksham Agarwal, Shijin Rajakrishnan, Akshay Narayan, Rachit Agarwal, David Shmoys, Amin Vahdat
SIGCOMM
(Best Student Paper Award)
Obladi: Oblivious serializable transactions in the cloud
Natacha Crooks, Matthew Burke, Sitar Harel, Ethan Cecchetti, Rachit Agarwal, Lorenzo Alvisi
OSDI
Distributed Network Monitoring and Debugging with SwitchPointer
Praveen Tammana, Rachit Agarwal, Myungjin Lee
NSDI
2017
ZipG: A Memory-efficient Graph Store for Interactive Queries
Anurag Khandelwal, Zongheng Yang, Evan Ye, Rachit Agarwal, Ion Stoica
SIGMOD
MiniCrypt: Reconciling Encryption and Compression for Big Data Stores
Wenting Zheng, Frank Li, Raluca Ada Popa, Ion Stoica, Rachit Agarwal
EuroSys
2016
Network Requirements for Resource Disaggregation
Peter Gao, Akshay Narayan, Sagar Karandikar, João Carreira, Sangjin Han, Rachit Agarwal, Sylvia Ratnasamy, Scott Shenker
OSDI
Simplifying Datacenter Network Debugging with PathDump
Praveen Tammana, Rachit Agarwal, Myungjin Lee
OSDI
BlowFish: Dynamic Storage-Performance Tradeoff in Distributed Data Stores
Anurag Khandelwal, Rachit Agarwal, Ion Stoica
NSDI
Universal Packet Scheduling
Radhika Mittal, Rachit Agarwal, Sylvia Ratnasamy, Scott Shenker
NSDI
2015
Succinct: Enabling Queries on Compressed Data
Rachit Agarwal, Anurag Khandelwal, Ion Stoica
NSDI
pHost: Distributed Near-optimal Datacenter Transport Over Commodity Network Fabric
Peter Gao, Akshay Narayan, Gautam Kumar, Rachit Agarwal, Sylvia Ratnasamy, Scott Shenker
CoNEXT
CherryPick: Tracing Packet Trajectory in Software-Defined Datacenter Networks
Praveen Tammana, Rachit Agarwal, Myungjin Lee
SOSR
FastLane: Making Short Flows Shorter with Agile Drop Notification
David Zats, Anand Iyer, Ganesh Ananthanarayanan, Rachit Agarwal, Randy Katz, Ion Stoica, Amin Vahdat
SoCC
Universal Packet Scheduling
Radhika Mittal, Rachit Agarwal, Sylvia Ratnasamy, Scott Shenker
HotNets (Obsolete; see the more recent NSDI'16 version.)
On the Scalability of Routing With Policies
András Gulyás, Gábor Rétvári, Zalán Heszberger, Rachit Agarwal
ToN
2014
The Space-Stretch-Time Tradeoff in Distance Oracles
Rachit Agarwal
ESA (Also as an invited talk at ISMP'12, session on combinatorial optimization)
2013
Low Latency Queries on Big Graph Data
Rachit Agarwal
PhD Thesis, UIUC
Distance Oracles for Stretch Less Than 2
Rachit Agarwal, P. Brighten Godfrey
SODA
A Simple Stretch 2 Distance Oracle
Rachit Agarwal, P. Brighten Godfrey
PODC
2012
Shortest Paths in Less Than a Millisecond
Rachit Agarwal, P. Brighten Godfrey, Matthew Caesar, Ben Y. Zhao
WOSN
Also, see a follow-up paper that is faster and better.
2011
Debugging the data plane with Anteater
Haohui Mai, Ahmed Khurshid, Rachit Agarwal, Matthew Caesar, P. Brighten Godfrey, Samuel T. King
SIGCOMM
Approximate Distance Queries and Compact Routing in Sparse Graphs
Rachit Agarwal, P. Brighten Godfrey, Sariel Har-Peled
INFOCOM
Slick Packets
Giang Nguyen, Rachit Agarwal, Junda Liu, Matthew Caesar, P. Brighten Godfrey, Scott Shenker
SIGMETRICS
Combinatorial Lower Bound for List Decoding of Codes on Finite-Field Grassmannian
Rachit Agarwal
ISIT
2010
When Watchdog Meets Coding
Guanfeng Liang, Rachit Agarwal, Nitin Vaidya
INFOCOM
Guaranteeing BGP Stability With a Few Extra Paths
Rachit Agarwal, Virajith Jalaparti, Matthew Caesar, P. Brighten Godfrey
ICDCS
2008
Modeling Power in Multi-Functionality Sensor Network Applications
Rachit Agarwal, Rafael Martinez-Catala, Sean Harte, Cedric Segard, Brendan O'Flynn
Sensorcomm
2007
A Low Complexity Algorithm and Architecture for Systematic Encoding of Hermitian Codes
Rachit Agarwal, Ralf Kötter, Emanuel Popovici
ISIT
Energy Driven Choice of Error Recovery Protocols in Embedded Sensor Network Systems
Rachit Agarwal, Emanuel Popovici, Oscar De Feo, Brendan O'Flynn
Sensorcomm
2006
Hardware-Software Implementation of Public-Key Cryptography for Wireless Sensor Networks
Gerard Murphy, Aidan Keeshan, Rachit Agarwal, Emanuel Popovici
ISSC
The links to papers are provided for quick dissemination of research work. The copyright is either with the publishing societies (IEEE, ACM, etc.) or with the Author(s).