Concept

Frontend and backend

Publications associées (10)

High-Level Synthesis of Dynamically Scheduled Circuits

High-Level Synthesis (HLS) tools generate hardware designs from high-level programming languages. These tools almost universally build datapaths that are controlled using a centralized controller which relies on a static, compile-time schedule to determine ...

EPFL2021

IntegrCiTy - D2.3 Report - Enabling and integrating a common IT structure: Definition of a back-end layer architecture

François Maréchal, Luc Girardin, Jessen Page, Gillian Jean Bernard Basso

The concept of the IntegrCiTy platform is built around the development of a single application as a suite of independent software: project partners will mutualize a certain number of tools that shall be integrated in the IntegrCiTy platform. Therefore, a r ...

IPESE-EPFL2017

La bibliothèque comme interface physique de découverte et lieu de curation collective

Frédéric Kaplan

Une bibliothèque est toujours un volume organisé en deux sous-espaces : une partie publique (front-end) avec laquelle les usages peuvent interagir, une partie cachée (back-end) utilisée pour la logistique et le stockage. À la Bibliothèque Nationale de Fran ...

2012

C-JDBC: Flexible Database Clustering Middleware

Willy Zwaenepoel, Emmanuel Cecchet

Large web or e-commerce sites are frequently hosted on clusters. Successful open-source tools exist for clustering the front tiers of such sites (web servers and application servers). No comparable success has been achieved for scaling the backend database ...

2004

Performance Comparison of Middleware Architectures for Generating Dynamic Web Content

Willy Zwaenepoel, Sameh Mohamed Elnikety, Emmanuel Cecchet

On-line services are making increasing use of dynamically generated Web content. Serving dynamic content is more complex than serving static content. Besides a Web server, it typically involves a server-side application and a database to generate and store ...

2003

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

Willy Zwaenepoel

Dynamic content Web sites consist of a front-end Web server, an application server and a back-end database. In this paper we introduce distributed versioning, a new method for scaling the back-end database through replication. Distributed versioning provid ...

2003

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

Efficient Support for P-HTTP in Cluster-based Web Servers

Willy Zwaenepoel

This paper studies mechanisms and policies for supporting HTTP/1.1 persistent connections in cluster-based Web servers that employ content-based request distribution. We present two mechanisms for the efficient, content-based distribution of HTTP/1.1 reque ...

1999

Locality-Aware Request Distribution in Cluster-Based Network Servers

Willy Zwaenepoel

We consider cluster-based network servers in which a front-end directs incoming requests to one of a number of back-ends. Specifically, we consider content-based request distribution: the front-end uses the content requested, in addition to information abo ...

1998

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