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Distributed Versioning: Consistent Replication for Scaling Back-end Databases of Dynamic Content Sites

Publications associées (46)

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Replicated Invocation

André Schiper, Stefan Pleisch, Arnas Kupsys

In today's systems, application are composed from various components that may be located on different machines. The components may have to collaborate in order to service a client request. More specifically, a client request to one component may trigger a ...

2003

Specification and Implementation of Dynamic Web Site Benchmarks

Willy Zwaenepoel, Sameh Mohamed Elnikety, Emmanuel Cecchet

The absence of benchmarks for Web sites with dynamic content has been a major impediment to research in this area. We describe three benchmarks for evaluating the performance of Web sites with dynamic content. The benchmarks model three common types of dyn ...

2002

Group communications and database replication

Matthias Wiesmann

Databases are an important part of today's IT infrastructure: both companies and state institutions rely on database systems to store most of their important data. As we are more and more dependent on database systems, securing this key facility is now a p ...

EPFL2002

Using Optimistic Atomic Broadcast in Transaction Processing Systems

André Schiper, Matthias Wiesmann, Fernando Pedone

Atomic broadcast primitives are often proposed as a mechanism to allow fault-tolerant cooperation between sites in a distributed system. Unfortunately, the delay incurred before a message can be delivered makes it difficult to implement high performance, s ...

2001

Implementing e-Transactions with Asynchronous Replication

Rachid Guerraoui

An e-Transaction is one that executes exactly-once despite failures. This paper describes a distributed protocol that implements the abstraction of e-Transactionsin three-tier architectures. Three-tier architectures are typically Internet-oriented architec ...

2000

Exactly-Once Transactions

Rachid Guerraoui

A three-tier application is organized as three layers: human users interact with front-end clients (e.g browsers); middle-tier application servers (e.g. Web servers) contain the application's business logic, and perform transactions against back-end databa ...

2000

Flash: An Efficient and Portable Web Server

Willy Zwaenepoel

This paper presents the design of a new Web server architecture called the asymmetric multi-process event-driven (AMPED)architecture, and evaluates the performance of an implementation of this architecture, the Flash Web server. The Flash Web server combin ...

1999

The Database State Machine Approach

Rachid Guerraoui, André Schiper, Fernando Pedone

Database replication protocols have historically been built on top of distributed database systems, and have consequently been designed and implemented using distributed transactional mechanisms, such as atomic commitment. We present the database state mac ...

1999

The database state machine and group communication issues

Fernando Pedone

Distributed computing is reshaping the way people think about and do daily life activities. On-line ticket reservation, electronic commerce, and telebanking are examples of services that would be hardly imaginable without distributed computing. Nevertheles ...

EPFL1999

Using Optimistic Atomic Broadcast in Transaction Processing Systems

André Schiper, Fernando Pedone

1999