Concord: Learning Network Configuration Contracts
Ryan Beckett, Francis Y. Yan, Raghunadha Reddy Pocha, Vineesh V. Raj, Ayyub Shaik, Siva Kesava Reddy Kakarla
2026 European Conference on Computer Systems | April 2026
Siva Kesava Reddy Kakarla
Senior Researcher
Publications
-
-
-
-
Dynamic Rebatching for Efficient Early-Exit Inference with DREX
Xuting Liu, Daniel Alexander, Siva Kesava Reddy Kakarla, Behnaz Arzani, Vincent Liu
December 2025
-
A Performance Analyzer for a Public Cloud’s ML-Augmented VM Allocator
Roozbeh Bostandoost, Pooria Namyar, Siva Kesava Reddy Kakarla, Ryan Beckett, Santiago Segarra, Eli Cortez, Ankur Mallick, Kevin Hsieh, Rodrigo Fonseca, M. Hajiesmaili, Behnaz Arzani
December 2025
-
Robust Heuristic Algorithm Design with LLMs
Pantea Karimi Babaahmadi, Dany Rouhana, Pooria Namyar, Siva Kesava Reddy Kakarla, Venkat Arun, Behnaz Arzani
MSR-TR-2025-44 | October 2025
Published by Microsoft
-
Raha: A General Tool to Analyze WAN Degradation
Behnaz Arzani, Sina Taheri, Pooria Namyar, Ryan Beckett, Siva Kesava Reddy Kakarla, Elnaz Jallilipour
SIGCOMM 2025 | September 2025
-
-
-
End-to-End Performance Analysis of Learning-enabled Systems
Pooria Namyar, Michael Schapira, Ramesh Govindan, Santiago Segarra, Ryan Beckett, Siva Kesava Reddy Kakarla, Behnaz Arzani
HotNets | November 2024
-
Towards Safer Heuristics With XPlain
Pantea Karimi, Solal Pirelli, Siva Kesava Reddy Kakarla, Ryan Beckett, Santiago Segarra, Beibin Li, Pooria Namyar, Behnaz Arzani
HotNets | November 2024
-
Rethinking Machine Learning Collective Communication as a Multi Commodity Flow problem
Xuting Liu, Behnaz Arzani, Siva Kesava Reddy Kakarla, Liangyu Zhao, Vincent Liu, Miguel Castro, Srikanth Kandula, Luke Marshall
SIGCOMM | August 2024
-
Diffy: Data-Driven Bug Finding for Configurations
Siva Kesava Reddy Kakarla, Francis Y. Yan, Ryan Beckett
ACM SIGPLAN Conference on Programming Language Design and Implementation (PLDI ’24) | June 2024
-
MESSI: Behavioral Testing of BGP Implementations
Rathin Singha, Rajdeep Mondal, Ryan Beckett, Siva Kesava Reddy Kakarla, Todd Millstein, George Varghese
NSDI 2024 | April 2024
-
-
-
A Holistic View of AI-driven Network Incident Management
Pouya Hamadanian, Behnaz Arzani, Sadjad Fouladi, Siva Kesava Reddy Kakarla, Rodrigo Fonseca, Denzican Billor, Ahmad Cheema, Edet Nkposong, Ranveer Chandra
Hot topics in networking (HotNets) | October 2023
-
-
-
SCALE: Automatically Finding RFC Compliance Bugs in DNS Nameservers
Siva Kesava Reddy Kakarla, Ryan Beckett, Todd Millstein, George Varghese
NSDI 2022 | March 2022
IRTF Applied Networking Research Prize
-
-
-
How Complex is DNS?
Siva Kesava Reddy Kakarla, Ryan Beckett, Todd Millstein, George Varghese
HotNets 2021 | November 2021
-
Campion: Debugging Router Configuration Differences
Alan Tang, Siva Kesava Reddy Kakarla, Ryan Beckett, Ennan Zhai, Matt Brown, Todd Millstein, Yuval Tamir, George Varghese
ACM SIGCOMM 2021 | August 2021
-
-
-
GRoot: Proactive Verification of DNS Configurations
Siva Kesava Reddy Kakarla, Ryan Beckett, Behnaz Arzani, Todd Millstein, George Varghese
SIGCOMM 2020 | August 2020
SIGCOMM 2020 Best Student Paper
-
Finding Network Misconfigurations by Automatic Template Inference
Siva Kesava Reddy Kakarla, Alan Tang, Ryan Beckett, Karthick Jayaraman, Todd Millstein, Yuval Tamir, George Varghese
NSDI 2020 | February 2020
-
-
-
Dynamic Rebatching for Efficient Early-Exit Inference with DREX
Xuting Liu, Daniel Alexander, Siva Kesava Reddy Kakarla, Behnaz Arzani, Vincent Liu
December 2025
-
A Performance Analyzer for a Public Cloud’s ML-Augmented VM Allocator
Roozbeh Bostandoost, Pooria Namyar, Siva Kesava Reddy Kakarla, Ryan Beckett, Santiago Segarra, Eli Cortez, Ankur Mallick, Kevin Hsieh, Rodrigo Fonseca, M. Hajiesmaili, Behnaz Arzani
December 2025
-
-
-
Concord: Learning Network Configuration Contracts
Ryan Beckett, Francis Y. Yan, Raghunadha Reddy Pocha, Vineesh V. Raj, Ayyub Shaik, Siva Kesava Reddy Kakarla
2026 European Conference on Computer Systems | April 2026
-
Robust Heuristic Algorithm Design with LLMs
Pantea Karimi Babaahmadi, Dany Rouhana, Pooria Namyar, Siva Kesava Reddy Kakarla, Venkat Arun, Behnaz Arzani
MSR-TR-2025-44 | October 2025
Published by Microsoft
-
Raha: A General Tool to Analyze WAN Degradation
Behnaz Arzani, Sina Taheri, Pooria Namyar, Ryan Beckett, Siva Kesava Reddy Kakarla, Elnaz Jallilipour
SIGCOMM 2025 | September 2025
-
End-to-End Performance Analysis of Learning-enabled Systems
Pooria Namyar, Michael Schapira, Ramesh Govindan, Santiago Segarra, Ryan Beckett, Siva Kesava Reddy Kakarla, Behnaz Arzani
HotNets | November 2024
-
Towards Safer Heuristics With XPlain
Pantea Karimi, Solal Pirelli, Siva Kesava Reddy Kakarla, Ryan Beckett, Santiago Segarra, Beibin Li, Pooria Namyar, Behnaz Arzani
HotNets | November 2024
-
Rethinking Machine Learning Collective Communication as a Multi Commodity Flow problem
Xuting Liu, Behnaz Arzani, Siva Kesava Reddy Kakarla, Liangyu Zhao, Vincent Liu, Miguel Castro, Srikanth Kandula, Luke Marshall
SIGCOMM | August 2024
-
Diffy: Data-Driven Bug Finding for Configurations
Siva Kesava Reddy Kakarla, Francis Y. Yan, Ryan Beckett
ACM SIGPLAN Conference on Programming Language Design and Implementation (PLDI ’24) | June 2024
-
MESSI: Behavioral Testing of BGP Implementations
Rathin Singha, Rajdeep Mondal, Ryan Beckett, Siva Kesava Reddy Kakarla, Todd Millstein, George Varghese
NSDI 2024 | April 2024
-
A Holistic View of AI-driven Network Incident Management
Pouya Hamadanian, Behnaz Arzani, Sadjad Fouladi, Siva Kesava Reddy Kakarla, Rodrigo Fonseca, Denzican Billor, Ahmad Cheema, Edet Nkposong, Ranveer Chandra
Hot topics in networking (HotNets) | October 2023
-
SCALE: Automatically Finding RFC Compliance Bugs in DNS Nameservers
Siva Kesava Reddy Kakarla, Ryan Beckett, Todd Millstein, George Varghese
NSDI 2022 | March 2022
IRTF Applied Networking Research Prize
-
How Complex is DNS?
Siva Kesava Reddy Kakarla, Ryan Beckett, Todd Millstein, George Varghese
HotNets 2021 | November 2021
-
Campion: Debugging Router Configuration Differences
Alan Tang, Siva Kesava Reddy Kakarla, Ryan Beckett, Ennan Zhai, Matt Brown, Todd Millstein, Yuval Tamir, George Varghese
ACM SIGCOMM 2021 | August 2021
-
GRoot: Proactive Verification of DNS Configurations
Siva Kesava Reddy Kakarla, Ryan Beckett, Behnaz Arzani, Todd Millstein, George Varghese
SIGCOMM 2020 | August 2020
SIGCOMM 2020 Best Student Paper
-
Finding Network Misconfigurations by Automatic Template Inference
Siva Kesava Reddy Kakarla, Alan Tang, Ryan Beckett, Karthick Jayaraman, Todd Millstein, Yuval Tamir, George Varghese
NSDI 2020 | February 2020
-
-
-
Dynamic Rebatching for Efficient Early-Exit Inference with DREX
Xuting Liu, Daniel Alexander, Siva Kesava Reddy Kakarla, Behnaz Arzani, Vincent Liu
December 2025
-
A Performance Analyzer for a Public Cloud’s ML-Augmented VM Allocator
Roozbeh Bostandoost, Pooria Namyar, Siva Kesava Reddy Kakarla, Ryan Beckett, Santiago Segarra, Eli Cortez, Ankur Mallick, Kevin Hsieh, Rodrigo Fonseca, M. Hajiesmaili, Behnaz Arzani
December 2025
-
-
-
Robust Heuristic Algorithm Design with LLMs
Pantea Karimi Babaahmadi, Dany Rouhana, Pooria Namyar, Siva Kesava Reddy Kakarla, Venkat Arun, Behnaz Arzani
MSR-TR-2025-44 | October 2025
Published by Microsoft
-
-
-
Concord: Learning Network Configuration Contracts
Ryan Beckett, Francis Y. Yan, Raghunadha Reddy Pocha, Vineesh V. Raj, Ayyub Shaik, Siva Kesava Reddy Kakarla
2026 European Conference on Computer Systems | April 2026
-
Raha: A General Tool to Analyze WAN Degradation
Behnaz Arzani, Sina Taheri, Pooria Namyar, Ryan Beckett, Siva Kesava Reddy Kakarla, Elnaz Jallilipour
SIGCOMM 2025 | September 2025
-
End-to-End Performance Analysis of Learning-enabled Systems
Pooria Namyar, Michael Schapira, Ramesh Govindan, Santiago Segarra, Ryan Beckett, Siva Kesava Reddy Kakarla, Behnaz Arzani
HotNets | November 2024
-
Towards Safer Heuristics With XPlain
Pantea Karimi, Solal Pirelli, Siva Kesava Reddy Kakarla, Ryan Beckett, Santiago Segarra, Beibin Li, Pooria Namyar, Behnaz Arzani
HotNets | November 2024
-
Rethinking Machine Learning Collective Communication as a Multi Commodity Flow problem
Xuting Liu, Behnaz Arzani, Siva Kesava Reddy Kakarla, Liangyu Zhao, Vincent Liu, Miguel Castro, Srikanth Kandula, Luke Marshall
SIGCOMM | August 2024
-
Diffy: Data-Driven Bug Finding for Configurations
Siva Kesava Reddy Kakarla, Francis Y. Yan, Ryan Beckett
ACM SIGPLAN Conference on Programming Language Design and Implementation (PLDI ’24) | June 2024
-
MESSI: Behavioral Testing of BGP Implementations
Rathin Singha, Rajdeep Mondal, Ryan Beckett, Siva Kesava Reddy Kakarla, Todd Millstein, George Varghese
NSDI 2024 | April 2024
-
A Holistic View of AI-driven Network Incident Management
Pouya Hamadanian, Behnaz Arzani, Sadjad Fouladi, Siva Kesava Reddy Kakarla, Rodrigo Fonseca, Denzican Billor, Ahmad Cheema, Edet Nkposong, Ranveer Chandra
Hot topics in networking (HotNets) | October 2023
-
SCALE: Automatically Finding RFC Compliance Bugs in DNS Nameservers
Siva Kesava Reddy Kakarla, Ryan Beckett, Todd Millstein, George Varghese
NSDI 2022 | March 2022
IRTF Applied Networking Research Prize
-
How Complex is DNS?
Siva Kesava Reddy Kakarla, Ryan Beckett, Todd Millstein, George Varghese
HotNets 2021 | November 2021
-
Campion: Debugging Router Configuration Differences
Alan Tang, Siva Kesava Reddy Kakarla, Ryan Beckett, Ennan Zhai, Matt Brown, Todd Millstein, Yuval Tamir, George Varghese
ACM SIGCOMM 2021 | August 2021
-
GRoot: Proactive Verification of DNS Configurations
Siva Kesava Reddy Kakarla, Ryan Beckett, Behnaz Arzani, Todd Millstein, George Varghese
SIGCOMM 2020 | August 2020
SIGCOMM 2020 Best Student Paper
-
Finding Network Misconfigurations by Automatic Template Inference
Siva Kesava Reddy Kakarla, Alan Tang, Ryan Beckett, Karthick Jayaraman, Todd Millstein, Yuval Tamir, George Varghese
NSDI 2020 | February 2020
-