network

24 February 2014 at 10:58am
This course provides an introduction to the technology and the different methods of virtualisation available. Networking and Security concerns are explored in further detail, as critical elements to deployment. The second part of the course covers the application of Cloud Computing in more detail.
16 December 2013 at 9:27am
This online course covers the basics of Network Sniffing, from configuring networking devices to enable sniffing to occur, through to interpreting the output of the Wireshark tool. It will also explore alternative tools that can be used to support network-based investigations. It will run over 6 sessions: 10 January: Orientation – 30 minutes 13 January: Introduction to Wireshark – 2 hours 20 January: Further Wireshark – 2 hours 24 January: Wireshark for Security – 2 hours
This appendix discusses what subnetting is and gives some examples of how IP addresses can be separated into a network part and a host part. It describes a simple college subnet and shows how subnet masks are used to decode IP addresses. The final section covers binary numbers and converting to and from decimal.  
Janet is responsible for the overall management of Janet. However, there are also other organisations that are engaged in running all or part of the network, or providing support. The following paragraphs describe how these bodies are related.
The Janet backbone The Janet network is based around a high-speed, high bandwidth backbone. The latest version of the backbone, which was designed to provide a high level of reliability as well as substantially increased capacity, came into full service in early 2007. It currently runs at 100Gbit/s. A PDF map of the present Janet backbone is provided here and a schematic is available here.
Anonymous
PB/INFO/022 (05/07) The role of a computer network should, in its simplest terms, be to carry commands and information from client software running on one computer to server software running on another computer, and to return information in response to those commands. Servers can be divided into two types: those that are freely available to any client and those where access is restricted by some test such as a password, a certificate or an IP address. In an ideal world this would be all the security that was needed: however, this ideal fails in reality for two reasons.
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