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Measuring Home Broadband Performance
From Communications of the ACM

Measuring Home Broadband Performance

We present the results from the first study of Internet access link performance measured directly from home routers. Our findings provide a snapshot of access network...

From Communications of the ACM

Technical Perspective: For Better or Worse, Benchmarks Shape a Field

Like other IT fields, computer architects initially reported incomparable results. We quickly saw the folly of this approach. We then went through a sequence...

Looking Back and Looking Forward
From Communications of the ACM

Looking Back and Looking Forward: Power, Performance, and Upheaval

The past 10 years have delivered two significant revolutions. Microprocessor design has been transformed — leading to multicore processors. And an entirely new...

Exact Matrix Completion via Convex Optimization
From Communications of the ACM

Exact Matrix Completion via Convex Optimization

Suppose that one observes an incomplete subset of entries selected from a low-rank matrix. When is it possible to complete the matrix and recover the entries that...

From Communications of the ACM

Technical Perspective: Reconstructing the Unknown, Balancing Structure and Uncertainty

The problem of estimating or reconstructing an unknown structured object from incomplete, partial, noisy measurements is a fundamental one in scientific and technological...

From Communications of the ACM

Technical Perspective: The Benefits of Capability-Based Protection

Affordable personal computing hardware and the usable GUI-based PC operating systems made the vision of "a computer on every desktop and in every home" a reality...

A Taste of Capsicum
From Communications of the ACM

A Taste of Capsicum: Practical Capabilities For Unix

Capsicum is a lightweight operating system capability and sandbox framework planned for inclusion in FreeBSD 9. Capsicum extends, rather than replaces, UNIX APIs...

From Communications of the ACM

Technical Perspective: Content-Centric Networking

Much has changed in the 50 years since the invention of packet switching and the early network designs and deployments that...

Networking Named Content
From Communications of the ACM

Networking Named Content

Current network use is dominated by content distribution and retrieval yet current networking protocols are designed for conversations between hosts. We present...

From Communications of the ACM

Technical Perspective: Power Efficiency as the #1 Design Constraint

Moore's Law, and associated observations by Bob Dennard, describe key technical...

Understanding Sources of Ineffciency in General-Purpose Chips
From Communications of the ACM

Understanding Sources of Ineffciency in General-Purpose Chips

To better understand what improvement in processor efficiency is possible, we quantify the performance and energy overheads of a 720p HD H.264 encoder running on...

From Communications of the ACM

Technical Perspective: Skintroducing the Future

Two critical goals for mobile devices seem intrinsically in conflict. For carrying, the smaller the better. Yet for...

Skinput
From Communications of the ACM

Skinput: Appropriating the Skin as an Interactive Canvas

Skinput is a technology that appropriates the skin as an input surface by analyzing mechanical vibrations that propagate through the body. Specifically, we resolve...

VL2: A Scalable and Flexible Data Center Network
From Communications of the ACM

VL2: A Scalable and Flexible Data Center Network

VL2 is a practical network architecture that scales to support huge data centers with uniform high capacity between servers, performance isolation between services...

From Communications of the ACM

Technical Perspective: VL2

The Internet is increasingly a platform for online services running on rack after rack of servers. With the advent of large data centers, the study of the networks...

DRAM Errors in the Wild
From Communications of the ACM

DRAM Errors in the Wild: A Large-Scale Field Study

While a large body of work exists on DRAM in lab conditions, little has been reported on real DRAM failures in large production clusters. In this paper, we analyze...

From Communications of the ACM

Technical Perspective: DRAM Errors in the Wild

In order to advance the field, knowledge of the types of memory errors at the system level, their frequencies, and conditions that exacerbate or are unrelated to...

Path Selection and Multipath Congestion Control
From Communications of the ACM

Path Selection and Multipath Congestion Control

This paper studies data transfers under two classes of multipath control, coordinated control where the rates...

From Communications of the ACM

Technical Perspective: Multipath, A New Control Architecture For the Internet

Multipath transmission for the Internet—that is, allowing users to send some of their packets along one path and...

Sora: High-Performance Software Radio Using General-Purpose Multi-Core Processors
From Communications of the ACM

Sora: High-Performance Software Radio Using General-Purpose Multi-Core Processors

Sora, a fully programmable software radio platform on commodity PC architectures, combines the performance and fidelity of hardware software-defined radio platforms...
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