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Observations on the dynamics of a congestion control algorithm: The effects of two-way traffic
- In Proceedings of ACM SIGCOMM
, 1991
"... We use simulation to study the dynamics of the congestion cent rol algorithm embedded in the BSD 4.3-Tahoe TCP implementation. We investigate the simple case of a few TCP connections, originating and terminating at the same pair of hosts, using a single bottleneck link. This work is an extension of ..."
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Cited by 383 (6 self)
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We use simulation to study the dynamics of the congestion cent rol algorithm embedded in the BSD 4.3-Tahoe TCP implementation. We investigate the simple case of a few TCP connections, originating and terminating at the same pair of hosts, using a single bottleneck link. This work is an extension
(www.interscience.wiley.com) DOI: 10.1002/wcm.521 Storage routing for DTN congestion control
"... The Delay Tolerant Networking (DTN) architecture approaches the problem of reliable message delivery in intermittent networks using a store-and-forward approach where messages may remain stored for relatively long periods of time in persistent storage at DTN routers. Forwarded messages are removed f ..."
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to migrate them to using a set of locally scoped distributed algorithms, possibly incorporating loops that are known to be optimal for some DTN routing scenarios and decouples storage management from global DTN route selection. Simulations show up to a 500 per cent performance improvement using SR
Abstract Synchronization Without Contention
"... Conventional wisdom holds that contention due to busy-wait synchronization is a major obstacle to scalability and accept-able performance in large shared-memory multiprocessors. We argue the contrary, and present fast, simple algorithms for cent ent ion-free mutual exclusion, reader-writer cent rol, ..."
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Conventional wisdom holds that contention due to busy-wait synchronization is a major obstacle to scalability and accept-able performance in large shared-memory multiprocessors. We argue the contrary, and present fast, simple algorithms for cent ent ion-free mutual exclusion, reader-writer cent rol
1Multimedia Proxy Caching Mechanism for Quality Adaptive Streaming Applications in the Internet
"... Abstract — The Internet has witnessed a rapid growth in deployment of Web-based streaming applications during re-cent years. In these applications, server should be able to perform end-to-end congestion control and quality adapta-tion to match the delivered stream quality to the average available ba ..."
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Abstract — The Internet has witnessed a rapid growth in deployment of Web-based streaming applications during re-cent years. In these applications, server should be able to perform end-to-end congestion control and quality adapta-tion to match the delivered stream quality to the average available
Tools; (iii) TCP Throughput and Bulk Transfer Capacity
"... the performance of bandwidth estimation tools∗ ..."
Transactions on Parallel and Distributed Systems
"... (MMOGs) can include millions of concurrent players spread across the world and interacting with each other within a single session. Faced with high resource demand variability and with misfit resource renting policies, the current industry practice is to over-provision for each game tens of self-own ..."
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(MMOGs) can include millions of concurrent players spread across the world and interacting with each other within a single session. Faced with high resource demand variability and with misfit resource renting policies, the current industry practice is to over-provision for each game tens of self-owned data centres, making the market entry affordable only for big companies. Focusing on the reduction of entry and operational costs, we investigate a new dynamic resource provisioning method for MMOG operation using external data centres as low-cost resource providers. First, we identify in the various types of player interaction a source of short-term load variability, which complements the long-term load variability due to the size of the player population. Then, we introduce a combined MMOG processor, network, and memory load model that takes into account both the player interaction type and the population
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"... Messaging is a basic service in sensornets. Yet the unique system and application prop-erties of sensornets pose substantial challenges for the messaging design: Firstly, dynamic wireless links, constrained resources, and application diversity challenge the architecture and protocol design of sensor ..."
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, the lack of a basic un-derstanding of its essential components has been an obstacle for reliable, efcient, and reusable messaging services in sensornets. To address this problem, one task of this dis-sertation is to identify the basic components of sensornet messaging and to study the re-lated algorithmic