Publications de Edouard Bugnion

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There is growing evidence that SARS-CoV-2 can be transmitted beyond close proximity contacts, in particular in closed and crowded environments with insufficient ventilation. To help mitigation efforts, contact tracers need a way to notify those who were pr ...

In confidential computing, the view of the system software is Manichean: the host operating system is untrusted and the TEE runtime system is fully trusted. However, the runtime system is often as complex as a full operating system, and thus is not free fr ...

Despite the natural parallelism across lookups, performance of distributed key-value stores is often limited due to load imbalance induced by heavy skew in the popularity distribution of the dataset. To avoid violating service level objectives expressed in ...

Cloud providers typically implement abstractions for net- work virtualization on the server, within the operating sys- tem that hosts the tenant virtual machines or containers. Despite being flexible and convenient, this approach has funda- mental problems ...

The conventional wisdom is that aggressive networking requirements, such as high packet rates for small messages and μs-scale tail latency, are best addressed outside the kernel, in a user-level networking stack. We present ix, a dataplane operating system ...

Serverless computing enables developers to deploy applications as work ows of functions that invoke one another, with cloud providers handling autoscaling and routing. However, serverless platforms lack e cient mechanisms for cross-function data transfers, ...

Modern in-memory services rely on large distributed object stores to achieve the high scalability essential to service thousands of requests concurrently. The independent and unpredictable nature of incoming requests results in random accesses to the objec ...

In the wake of the pandemic of coronavirus disease 2019 (COVID-19), contact tracing has become a key element of strategies to control the spread of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). Given the rapid and intense spread of SARS-CoV ...

To provide low latency and high throughput guarantees, most large key-value stores keep the data in the memory of many servers. Despite the natural parallelism across lookups, the load imbalance, introduced by heavy skew in the popularity distribution of k ...

With explosive growth in dataset sizes and increasing machine memory capacities, per-application memory footprints are commonly reaching into hundreds of GBs. Such huge datasets pressure the TLB, resulting in frequent misses that must be resolved through a ...

Next-generation genome sequencing technology has reached a point at which it is becoming cost-effective to sequence all patients. Biobanks and researchers are faced with an oncoming deluge of genomic data, whose processing requires new and scalable bioinfo ...

Edouard Bugnion

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CrowdNotifier: Decentralized Privacy-Preserving Presence Tracing

A RISC-V Extension to Minimize Privileges of Enclave Runtimes

An Analysis of Load Imbalance in Scale-out Data Serving

VNToR: Network Virtualization at the Top-of-Rack Switch

The IX Operating System: Combining Low Latency, High Throughput, and Efficiency in a Protected Dataplan

Shattering the Ephemeral Storage Cost Barrier for Data-Intensive Serverless Workflows

SABRes: Atomic Object Reads for In-Memory Rack-Scale Computing

Deploying Decentralized, Privacy-Preserving Proximity Tracing

Early evidence of effectiveness of digital contact tracing for SARS-CoV-2 in Switzerland

The Case for RackOut: Scalable Data Serving Using Rack-Scale Systems

Prefetched Address Translation

ZygOS: Achieving Low Tail Latency for Microsecond-scale Networked Tasks

Persona: A High-Performance Bioinformatics Framework

A research agenda for digital proximity tracing apps