Modern clouds depend crucially on an extensible ecosystem of thousands of controllers,
each managing critical systems (eg, a ZooKeeper cluster). A controller continuously …

As the first Byzantine fault-tolerant (BFT) protocol with linear communication complexity,
HotStuff (PODC 2019) has received significant attention. HotStuff has three round-trips for …

Grove is a concurrent separation logic library for verifying distributed systems. Grove is the
first to handle time-based leases, including their interaction with reconfiguration, crash …

Symbolic model checking is an important tool for finding bugs (or proving the absence of
bugs) in modern system designs. Because of this, improving the ease of use, scalability, and …

We introduce Rabia, a simple and high performance framework for implementing state-
machine replication (SMR) within a datacenter. The main innovation of Rabia is in using …

UCLID5 is a tool for the multi-modal formal modeling, verification, and synthesis of systems.
It enables one to tackle verification problems for heterogeneous systems such as …

Byzantine fault-tolerant agreement (BFT) in a partially synchronous system usually requires
3f+ 1 nodes to tolerate f faulty replicas. Due to their high throughput and finality property …

First-order logic, and quantifiers in particular, are widely used in deductive verification of
programs and systems. Quantifiers are essential for describing systems with unbounded …

Civl is a static verifier for concurrent programs designed around the conceptual framework of
layered refinement, which views the task of verifying a program as a sequence of program …

This article introduces a novel methodology, Network Simulator-centric Compositional
Testing (NSCT), to enhance the verification of network protocols with a particular focus on …