2010 DANTE Annual Review
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An Introduction to Computer Network Monitoring and Performance
An Introduction to Computer Network Monitoring and Performance A.C. Davenhall & M.J. Leese December 2005 Version 1 Contact Details A.C. Davenhall, National e-Science Centre, M.J. Leese, CCLRC Daresbury Laboratory. Correspondence about this document should be sent to: A.C. Davenhall, National e-Science Centre, 15, South College Street, Edinburgh, EH8 9AA, UK. E-mail: [email protected] Purpose and Scope This document is an introduction to computer networks and to ways of obtaining good performance from them. It covers: • the basics of computer networks, • how to monitor their performance, • simple techniques to improve their performance. It also describes some of the common protocols used to transfer files across networks. These topics are all large and complex subjects, and the document is only an introduction to them. However, references to more advanced and specialised sources of information are included. Target Audience The document is aimed at people who are not network experts, but who need to use networks and to obtain good performance from them. No previous experience of computer networking is assumed. People who are already knowledgeable about computer networks are less likely to find the introductory sections useful, but might still obtain some benefit from the later sections which discuss how to improve network performance. Some very basic knowledge of Unix is assumed in places, but is not necessary for most of the document. Revision History 1. 22 December 2005: Version 1. First released version. Expanded from material in the report Computer Networks for the AVO by A.C. Davenhall, A. Lawrence, E.T.W. -
Networking in Europe (EU Policies and the Greek Contribution)
Networking in Europe (EU Policies and the Greek contribution) Yannis Corovesis NCSR “Demokritos” www.iit.demokritos.gr/~ycor Erasmus+ BE OPEN project 18 April 2018, National Technical University of Athens Presenter’s experience ● Research background “computing paradigms” ● Participant in Network Working Groups 1986-94 (EU-US RARE, RIPE, CERN-CHEOPS, EBONE) ● 2nd PI of Greek NREN (wikipedia entry ARIADNET) ● First-hand experience of “protocol wars” OSI (org ISO) vs TCP (US DoD) ● Co-founder of 1st ISP in Greece , “Internet: Getting Started” SRI report92 ● IXI, EMPB, EUROPANET, DANTE Access Point Manager for Greece (1988 – 1994) ● Contributed to “Know Your Enemy” Addison-Wesley 2004 (Learning security threats with Honeynet Research Alliance 2001-2007) ● EELLAK member since 2008 Réseaux Associés pour la Recherche Européenne Internet development via OSI project How Networking developed documented in two books ● Howard Davies and Beatrice Bressan , 2010 Editorial Reviews ● Editorial Reviews ● From the Back Cover ● As the first book about the internet to be written and edited by engineers who developed it, this book deals with the history of defining universal protocols and of building a series of global data transfer networks of ever increasing reach and capacity. The result is THE authoritative source on the topic, providing a vast amount of insider knowledge unavailable elsewhere. It is of interest to every scientist and a must-have for all network developers as well as agencies dealing with the Net ● Contributions from GRNET people. Criticism of Leaders and Policies ● Olivier Martin 2012 Trafford Publishing ● CV at ictconsulting.ch Book Overview The main purpose of this book, which mostly covers the period 1984–1993, is about the history of European research networking. -
Target 3: Connect All Scientific and Research Centres with Icts1
CONNECT ALL SCIENTIFIC AND RESEARCH CENTRES WITH ICTs Target 3: Connect all scientific and research centres with ICTs Target 3: Connect all scientific and research 1 centres with ICTs Executive summary In today’s information society, the ways in which knowledge is created, processed, diffused and applied have been revolutionized – in part through rapid developments in ICTs (UNESCO, 2013). While the ICT revolution has not occurred at a uniform pace in all regions, to a large extent it has led to the creation of dynamic networks, cross-border collaborative processes, and internationalization of research and higher education. In line with the goal of making the benefits of ICTs available for all, Target 3 aims to connect all scientific and research centres with ICTs. The ICTs defined by the Target 3 indicators include broadband Internet2 and connections to national research and education networks (NRENs). Data from multiple sources indicate that the target of “all” scientific and research centres has not been achieved, although significant progress has been made according to the three indicators for Target 3. Indicator 3.1 focuses on connecting scientific and research centres with broadband Internet. Where data were available, connectivity was found to be high – typically 100 per cent – but there were a few countries that have yet to achieve this target. The conclusions that can be drawn from Indicator 3.1 were limited because of the low data availability and it is recommended that this indicator be removed. Indicator 3.2 measures whether a country has one or more NRENs and what their bandwidth is. Significant progress has been made in increasing the total number of NRENs, regional NRENs and countries with a NREN. -
First Report on Virtual Observatory for E-Infrastructure ... -.:Imentors
D2.2 First Report on the Online Virtual Observatory January 31, 2013 iMENTORS SEVENTH FRAMEWORK PROGRAMME Call (part) identifier: FP7-INFRASTRUCTURES-2012-1 Project full title: E-INFRASTRUCTURE MONITORING, EVALUATION AND TRACKING SUPPORT SYSTEM Project Acronym: iMENTORS Grant agreement for: Coordination and support action Project Number: 313203 D2.2 First Report on Database of e-infrastructure development projects in Sub-Saharan Africa D2.2 Deliverable Id : D2.2 First Report on Database of e-infrastructure Deliverable Name : development projects in Sub-Saharan Africa Status : Final Dissemination Level : PU Due date of deliverable : M6 Actual submission date : M9 Work Package : WP 2 Organisation name of lead Stockholm University contractor for this deliverable : Author(s): Nils Jensen Partner(s) contributing : Louis Papaemmanuel, Niobe Haitas Abstract: D2.2) First Report on Database of e-infrastructure development projects in Sub- Saharan Africa: This deliverable reports on the creation of the database for e-infrastructure development projects. It will report on tasks 2.2 and 2.3. [month 6] iMENTORS is a project co- funded by the European Commission’s DG CONNECT under the 7th Framework Programme. www.iMENTORS.eu Copyright by the iMENTORS Consortium 1 | Page D2.2 First Report on the Online Virtual Observatory January 31, 2013 History Version Date Modification reason Modified by 0.1 03.10.2012 Initial draft Nils Jensen 0.2 11.11.2012 Version 2 Nils Jensen 16.12.2012 Comments Louis Papaemmanuel 0.3 19.12.2012 Version 3 Louis Papaemmanuel