Communications of the ACM
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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...
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...
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...
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...
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...
From Communications of the ACM
Technical Perspective: Sora Promises Lasting Impact
The objective of Sora is to build a software defined radio that combines the performance and fidelity of hardware...
From Communications of the ACM
Difference Engine: Harnessing Memory Redundancy in Virtual Machines
Virtual machine monitors are a popular platform for Internet hosting centers and cloud-based compute services. But main memory is not amenable to multiplexed hardware...
From Communications of the ACM
Technical Perspective: A VM 'Engine' That Makes a Difference
The past decade has witnessed a renaissance in server virtualization. Diwaker Gupta et al. present a novel approach for significantly improving the efficiency of...
From Communications of the ACM
Phase Change Memory Architecture and the Quest For Scalability
Memory scaling is in jeopardy as charge storage and sensing mechanisms become less reliable for prevalent memory technologies. In contrast, phase change memory...
From Communications of the ACM
Technical Perspective: Technology Scaling Redirects Main Memories
As predicted by Intel's Gordon Moore in 1965, the number of transistors that can be integrated on one die continues to double approximately...
From Communications of the ACM
Toward Robotic Cars
Recent challenges organized by DARPA have induced a significant advance in technology for autopilots for cars; similar to those already used in aircraft and marine...
From Communications of the ACM
Technical Perspective: New Bar Set For Intelligent Vehicles
Sebastian Thrun gives us a glimpse into the design and implementation of two winning DARPA grand challenge entries...
From Communications of the ACM
Post-Silicon Bug Localization For Processors Using IFRA
IFRA overcomes major challenges associated with a very expensive step in post-silicon validation of processors — pinpointing a bug location and the instruction...
From Communications of the ACM
Technical Perspective: Want to Be a Bug Buster?
Microprocessor performance has increased exponentially. These chips with ever increasing complexity are not always fully functional on...
From Communications of the ACM
Structural Characterizations of Schema-Mapping Languages
Information integration is a key challenge faced by all major organizations, business and governmental ones alike. Two research...
From Communications of the ACM
Technical Perspective: Schema Mappings: Rules For Mixing Data
When you search for products on Amazon.com, you are seeing results from thousands of vendor databases that were developed before Amazon existed. Did you ever wonder...
From Communications of the ACM