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  1. Proceedings of the sixteenth international conference on Architectural support for programming languages and operating systems (ASPLOS XVI)
  2. Pocket cloudlets
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The cloud will change everything
Improving software diagnosability via log enhancement
Hardware acceleration of transactional memory on commodity systems
Efficient processor support for DRFx, a memory model with exceptions
Mnemosyne: lightweight persistent memory
A declarative language approach to device configuration
A case for neuromorphic ISAs
Blink: managing server clusters on intermittent power
2ndStrike: toward manifesting hidden concurrency typestate bugs
Ensuring operating system kernel integrity with OSck
Faults in linux: ten years later
Synthesizing concurrent schedulers for irregular algorithms
On-the-fly elimination of dynamic irregularities for GPU computing
Inter-core prefetching for multicore processors using migrating helper threads
DoublePlay: parallelizing sequential logging and replay
Hybrid NOrec: a case study in the effectiveness of best effort hardware transactional memory
RCDC: a relaxed consistency deterministic computer
NV-Heaps: making persistent objects fast and safe with next-generation, non-volatile memories
Improved device driver reliability through hardware verification reuse
Mementos: system support for long-running computation on RFID-scale devices
Dynamic knobs for responsive power-aware computing
ConSeq: detecting concurrency bugs through sequential errors
Rethinking the library OS from the top down
Looking back on the language and hardware revolutions: measured power, performance, and scaling
Exploring circuit timing-aware language and compilation
Sponge: portable stream programming on graphics engines
Improving the performance of trace-based systems by false loop filtering
Specifying and checking semantic atomicity for multithreaded programs
Pocket cloudlets
Flikker: saving DRAM refresh-power through critical data partitioning
S2E: a platform for in-vivo multi-path analysis of software systems
Orchestration by approximation: mapping stream programs onto multicore architectures
MemScale: active low-power modes for main memory

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Pocket cloudlets

Content Provider ACM Digital Library
Author Strauss, Karin Liu, Jie Burger, Doug Lymberopoulos, Dimitrios Koukoumidis, Emmanouil
Abstract Cloud services accessed through mobile devices suffer from high network access latencies and are constrained by energy budgets dictated by the devices' batteries. Radio and battery technologies will improve over time, but are still expected to be the bottlenecks in future systems. Non-volatile memories (NVM), however, may continue experiencing significant and steady improvements in density for at least ten more years. In this paper, we propose to leverage the abundance in memory capacity of mobile devices to mitigate latency and energy issues when accessing cloud services. We first analyze NVM technology scaling trends, and then propose a cloud service cache architecture that resides on the mobile device's NVM (pocket cloudlet). This architecture utilizes both individual user and community access models to maximize its hit rate, and subsequently reduce overall service latency and energy consumption. As a showcase we present the design, implementation and evaluation of PocketSearch, a search and advertisement pocket cloudlet. We perform mobile search characterization to guide the design of PocketSearch and evaluate it with 200 million mobile queries from the search logs of m.bing.com. We show that PocketSearch can serve, on average, 66% of the web search queries submitted by an individual user without having to use the slow 3G link, leading to 16x service access speedup. Finally, based on experience with PocketSearch we provide additional insight and guidelines on how future pocket cloudlets should be organized, from both an architectural and an operating system perspective.
Starting Page 171
Ending Page 184
Page Count 14
File Format PDF
ISBN 9781450302661
DOI 10.1145/1950365.1950387
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2011-03-05
Publisher Place New York
Access Restriction Subscribed
Subject Keyword Mobile search Flash storage Mobile cloud
Content Type Text
Resource Type Article
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