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Topic: Content addressable network


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In the News (Fri 17 Feb 12)

  
  Computer storage - Wikipedia, the free encyclopedia
Network storage is any type of computer storage that involves accessing information over a computer network.
Network storage arguably allows to centralize the information management in an organization, and to reduce the duplication of information.
Holographic storage can utilize the whole volume of the storage medium, unlike optical disc storage which is limited to a small number of surface layers.
en.wikipedia.org /wiki/Computer_storage   (2615 words)

  
 Encyclopedia :: encyclopedia : Open content   (Site not responding. Last check: 2007-10-11)
Open content, coined by analogy with "open source," (though technically it is actually share-alike) describes any kind of creative work including articles, pictures, audio, and video that is published in a format that explicitly allows the copying of the information.
It's possible that the first documented case of Open Content was with the Royal Society, where they aspired toward information sharing across the globe as a public enterprise.
The words "open content" were first put together in this context by David Wiley, then a graduate student at Brigham Young University, who founded the OpenContent project and put together the first content-specific (non-software) license in 1998 with input from Eric Raymond, Tim O'Reilly, and others.
www.hallencyclopedia.com /Open_content   (650 words)

  
 IP address - All About All   (Site not responding. Last check: 2007-10-11)
Depending on one's Internet connection the IP address can be the same every time one connects (called a static IP address), or different every time one connects, (called a dynamic IP address).
The network number comprises a range of addresses which the organization is free to allocate as they wish.
Netblocks are specified as in the modern alternative for IPv4: network number, followed by a slash, and the number of relevant bits of the network number (in decimal).
www.allaboutall.info /article/IP_address   (1221 words)

  
 McGill Cognitive Science Abstracts   (Site not responding. Last check: 2007-10-11)
Rules that correlated most highly with network responses during training were consistent with the developmental course of children's concepts.
Networks integrated the defining dimensions of the concepts first by identity rules (e.g., v = d), then additive rules (e.g., v = d - t), and finally multiplicative rules (e.g., v = d / t).
Connectionist networks are considered useful for modeling psychological development because of their graded knowledge representations, capacity for change and self-organization, ability to implement environment-heredity interactions, and neurological plausibility.
www.cogsci.mcgill.ca /abstracts.html   (1569 words)

  
 IBM Research - Communications and Networking - Communication and Networking Reading Group
Network Calculus is a set of recent developments, based on min-plus and max-plus algebra, which provide a deep insight into flow problems encountered in networking.
This anonymity can be exploited by an attacker, who wants hide the true origin of the attack by sending attack packets with spoofed IP addresses to a victim.
The CAN is scalable, fault-tolerant and completely self-organizing, and we demonstrate its scalability, robustness and low-latency properties through simulation.
www.research.ibm.com /compsci/communications/group.html   (1023 words)

  
 InfoVis Cyberinfrastructure - Content-Addressable Network Model
Nodes in a CAN graph have as an attribute the coordinates of a subspace of this space that are used in adding nodes and edges to the graph.
So for a new node to join the CAN graph, it must find a node already in the graph and then using the routing mechanism, it should locate the node whose zone will be split.
CAN model is advantageous for building systems where controlled resource placement is a high priority, such as distributed file storage.
iv.slis.indiana.edu /sw/can-model.html   (527 words)

  
 Network Processors : Architectures, Protocols and Platforms (Telecom Engineering) - McGraw-Hill Professional Panos C. ...   (Site not responding. Last check: 2007-10-11)
things like switch fabrics, traffic managers, content addressable memory, security coprocessors, etc. The style is flowing and engaging and the structure is very modular so one can go back and forth delving into one's areas of interest.
Network processors are specialized computing chips built for high performance packet processing applications.
I believe a second edition of 'Network Processors' would benefit from an editor who challenges the author to be more organized and generous with his audience.
www.skattabrain.com /css-books-plain/0071409866.html   (1072 words)

  
 [No title]   (Site not responding. Last check: 2007-10-11)
CAN networks can be built as an infrastructure for large scale (e.g.
It proposed a basic distributed routing algorithm and a few improvements to that algorithm so that given a key, the hosts that store the value associated with the key can be retrieved as fast as possible.
One of the key problems in a fast-changing distributed network, for which a CAN network is built, is how efficiently the system handles network condition changes (e.g.
www.cs.usask.ca /~yaz720/reviews/can.txt   (169 words)

  
 PlanetP: Using Gossiping to Build Content Addressable Peer-to-Peer Information Sharing Communities1
PlanetP is powerful for two reasons: (a) it can propagate information in bounded time in spite of the uncoordinated communal behavior, and (b) it maintains a globally content-ranked data collection without depending on centralized resources or the on-line presence of specific peers.
For example, the cost of replicating the global index can be reduced by simply decreasing the gossiping rate; updating the global index with a new Bloom filter requires constant time, regardless of the number of changes introduced.
Our algorithm can be used to search and rank multi-media as well as text documents since today's multi-media formats such as MP3 and AVI support the embedding of descriptive text.
www.research.rutgers.edu /~mcuenca/Publications/PlanetP-gossip-search-HPDC/index.html   (7527 words)

  
 Collaborative development of open content   (Site not responding. Last check: 2007-10-11)
While content [1] may not be the most important aspect of a course, it is difficult to imagine an undergraduate university course that does not make use of content in some form.
The idea of open content has its background in the open source software movement, and can be considered a license agreement, a philosophy, a way of doing things, as well as the content produced and distributed according to the open content license agreement.
We can hypothesize the users are likely to place greater value on content when they have been included its planning and development (Figure 4), although the line may be less steep when the publishing organization is one of substantial international stature.
www.firstmonday.dk /issues/issue8_2/keats   (4999 words)

  
 Open Content Network   (Site not responding. Last check: 2007-10-11)
Content Distribution Networks (CDNs), such as Akamai, have shown that significant improvements can be made in throughput, latency, and scalability when content is distributed throughout the network and delivered from the edge.
The goal of the Content-Addressable Web is to enable these advanced content location and distribution services with standard web servers, caches, and browsers.
Scalability - Any number of machines may be added to the network, creating a CDN ad hoc, with very little administration [figure 2].
www.open-content.net /caw   (230 words)

  
 di: JXTA Distributed Indexing   (Site not responding. Last check: 2007-10-11)
The distributed index can also serve as a notification service, by indexing queries, instead of content, and routing content to query generators when a piece of content which matches the query is published.
To index resources that are addressable by a single attribute, such as a file name, or a person ID, requires a straightforward implementation of the distributed index, based on CAN or Chord.
The content ID is mapped to a peer using the global hash function to map the content to a zone.
di.jxta.org   (915 words)

  
 References in p2p.bib
It is infeasible to discover the true origin or destination of a file passing through the network, and difficult for a node operator to determine or be held responsible for the actual physical contents of her own node.
Through extensive measurements of the Gnutella network from multiple vantage points, we argue for a hybrid search solution, where structured search techniques are used to index and locate rare items, and flooding techniques are used for locating highly replicated content.
Data location can be easily implemented on top of Chord by associating a key with each data item, and storing the key/data item pair at the node to which the key maps.
www.csl.sri.com /users/linda/bibs/p2p.html   (3492 words)

  
 Distributed Hash Tables Links   (Site not responding. Last check: 2007-10-11)
In this paper, the concept of a Content-Addressable Network (CAN) is introduced as a distributed infrastructure that provides hash table-like functionality on Internet-like scales.
A new distributed algorithm that can solve the nearest-neighbor problem for certain network topologies is presented.
Malkhi, D.; Naor, M. and Ratajczak, D. We propose a family of constant-degree routing networks of logarithmic diameter, with the additional property that the addition or removal of a node to the network requires no global coordination, and only a constant number of linkage changes in expectation, and a logarithmic number with high probability.
www.etse.urv.es /~cpairot/dhts.html   (1868 words)

  
 A Scalable Content-Addressable Network - Ratnasamy, Francis, Handley, Karp, Shenker (ResearchIndex)   (Site not responding. Last check: 2007-10-11)
A Scalable Content-Addressable Network - Ratnasamy, Francis, Handley, Karp, Shenker (ResearchIndex)
If your firewall is blocking outgoing connections to port 3125, you can use these links to download local copies.
1 Scott Shenker: A Scalable Content-Addressable Network (context) - Ratnasamy, Francis et al.
citeseer.ist.psu.edu /ratnasamy01scalable.html   (346 words)

  
 Foundry Networks : About Foundry : Foundry Unveils Industry's Most Compact, Powerful, and Aggressively-Priced Router ...
Numerous network devices ranging from mobile laptops, IP phones and digital security cameras are becoming network enabled.
The router can support millions of IP routes through 4 megabytes of ternary content addressable memory (TCAM) and 512 megabytes of SDRAM.
Foundry Networks, FastIron, IronWare, JetCore, NetIron and the 'Iron' family of marks, are trademarks or registered trademarks of Foundry Networks, Inc. in United States and other countries.
www.foundrynet.com /about/newsevents/releases/pr3_12_03.html   (1078 words)

  
 Open Content Network   (Site not responding. Last check: 2007-10-11)
The strength of the Open Content Network will lie in a diversity of implementations that each meet different user needs.
Content Mirror Advertisement Specification - This document defines a flexible lease-based protocol for announcing mirrors in a distributed content network.
Partial File Sharing Protocol - This document defines HTTP extensions for discovering which bytes in a file are available to be downloaded.
www.open-content.net /specs   (255 words)

  
 Nextec IT Training for Cisco, Comptia, elearning and network security fields through hands on classroom training and e ...
The purpose of this course is to enable a learner to achieve a mid-career professional-level competency.
Implement necessary services at each layer of the network to all users to obtain membership to multicast groups in a working multilayer switched network.
Network administrators and technicians who are responsible for implementing or troubleshooting a multilayer switched network in an enterprise environment.
www.nextecinc.com /642-811.htm   (965 words)

  
 Peer-To-Peer
Alpine decentralized discovery in Large Peer Based Networks; A very interesting high-level review on the issue of Discovery and why the technologies that exist need to be replaced.
Messages can be carried between two endpoints using either a direct point-to-point connection or a virtual channel made of an endpoint connection between the representative nodes to which the endpoints might be connected.
Notification: can be triggered from a remote endpoint through the use of a rule that fires a response when evaluated to true
www.caip.rutgers.edu /~vincentm/p2p.html   (799 words)

  
 Ng, Wee Siong Home Page
The GDN can be seen as an improvement to anonymous FTP and the World Wide Web due to its flexibility and extensive support for replication.
Instead of having moderators check the software archives at upload time, illegal content is removed and its uploader's access to the network permanently revoked only when the content is discovered.
PAST is based on a self-organizing, Internet-based overlay network of storage nodes that cooperatively route file queries, store multiple replicas of files, and cache additional copies of popular files.
www.comp.nus.edu.sg /~ngws/research.htm   (1625 words)

  
 600.413 Spring 2003 Homepage
While much of the attention has been focused on the copyright issues raised by these particular applications, peer-to-peer systems have many interesting technical aspects like decentralized control, self organization, adaptation and scalability.
In this course we are going to cover several papers covering the evolution and some of the techical issues around building peer-to-peer (P2P) network systems.
While these second-generation systems are scalable in terms of the amount of routing state required in each P2P node, they offer only a single primitive, that is given a key the ability to quickly locate a node that stores that key.
www.cs.jhu.edu /~terzis/600.413/index.html   (511 words)

  
 Foundry Networks : Products: Modules: OC-48c/STM-16 Packet over SONET Network Processor Architecture (NPA)   (Site not responding. Last check: 2007-10-11)
In conjunction, this is fueling an explosive increase in IP routing information flowing throughout backbone networks, expanding the need to supply enhanced performance, increased bandwidth, and manageable scalability in service provider backbone networks.
This activity has forced incumbent public networks to transition away from traditional circuit-based, voice-oriented environments and towards packet-based networking infrastructures that can transport increasing volumes of data, streaming audio and video, and voice traffic over a common IP transport infrastructure.
As network providers move to expand their customer base and increase their ability to support next-generation services, the network equipment comprising the infrastructure must be designed from the ground up to support the advanced sets of features and functionalities as demanded by new users.
www.foundrynet.com /products/modules/OC48.html   (1225 words)

  
 Datar, Mayur: Butterflies and Peer-to-Peer Networks   (Site not responding. Last check: 2007-10-11)
A network that supports such queries is referred to as Content Addressable Network (CAN).
Our new network, {\bf multi-hypercube}, is a fault tolerant version of hypercube.
We also demonstrate how this network can be maintained dynamically.
dbpubs.stanford.edu /pub/2002-5   (288 words)

  
 System Architecture Group: Publications
Sensor networks consist of a potentially huge number of very small and resource limited self-organizing devices.
This paper presents the design of a general distributed service directory architecture for sensor networks which especially focuses on the security issues in sensor networks.
Key area of application of this architecture are gradually extendable sensor networks where sensors and actuators jointly perform various user defined tasks, e.g., in the field of an office environment.
i30www.ira.uka.de /research/publications/papers/index.php?lid=en&docid=1355   (141 words)

  
 Hypertext'03 Conference: Complete List of Papers
Such a combination can be useful in cases where multiple forms of inter-object relationships must be expressed on the same content.
The first one uses both the content and the context of the document and the second one is based only on the elements of the context.
Optimal conditions of the proposed algorithms with respect to the sizes of the content and the context of the document to summarize are studied.
www.ht03.org /papers   (5060 words)

  
 Networks Research Group   (Site not responding. Last check: 2007-10-11)
The objective of the group is to generate active discussions which can lead to fruitful research collaborations and to learn "best practice" techniques from reading high-quality papers.
GPSR: Greedy perimeter stateless routing for wireless networks, Brad Karp and H. Kung, In Proc.
A Scalable Content-addressable Network, Sylvia Ratnasamy, Paul Francis, Mark Handley, Richard Karp, and Scott Shenker.
www.cs.ucl.ac.uk /research/nets/readinggroup.html   (486 words)

  
 Routing in TutorGig Encyclopedia   (Site not responding. Last check: 2007-10-11)
Description IS IS is an Interior Gateway Protocol IGP meaning that it is intended for use within an administrative domain or network.
Anycast is a network addressing and routing scheme whereby data is routed to the nearest or best destination as viewed by the routing topology.
From 1939 to 1941, the route number 568 was used for the current routing of the western portion of Ohio State Highway 120 Ohio 120 and the current entire routing of Ohio State Highway 184..
www.tutorgig.com /es/Routing/8   (728 words)

  
 Network Processors: Architectures, Protocols, And Platforms, Panos C. Lekkas - ISBN 0071409866 - ELX.com.au (Australia)   (Site not responding. Last check: 2007-10-11)
Written with insight by a leading telecommunications chip industry veteran, Network Processor: Architectures, Protocols, and Platforms delivers an eye-opening whole picture look at the revolution in high-speed network equipment and provides a unique top-to-bottom review of more than 20 network processing platforms (including NP chips and coprocessors).
Lekkas is involved in advanced technology and business development in the areas of network processing, broadband optical and RF wireless communications security, and neural computing.
Lekkas is known for his expert technology advisory role for both government and leading hi-tech companies, as well as for top-of-the-line investment banks and venture capital companies.
www.everythinglinux.com.au /item/0071409866?elx=b5e7d4cb575a29b047b3044f65544016   (508 words)

  
 CITO: CITO Network: Events: Archived Content   (Site not responding. Last check: 2007-10-11)
While the promise of peer-to-peer computing is considerable, there are many challenges both technological and social that must be addressed before that promise can be fully realized.
The CA*net 4 network will use peer to peer technologies to give and users control and management of the network.
By focusing on customer value, innovative new entrants can navigate past the wreckage of many of their P2P predecessors and realize both technical and market success.
www.cito.ca /network/events_archive_feb03.html   (1245 words)

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