Read e-book online Internet – Technical Development and Applications PDF

By Daniel Jachyra (auth.), Ewaryst Tkacz, Adrian Kapczynski (eds.)

ISBN-10: 3642050182

ISBN-13: 9783642050183

ISBN-10: 3642050190

ISBN-13: 9783642050190

Internet applied sciences and structures are these days the foremost enablers of electronic economic system and smooth world-wide attached society. This contributed booklet is a suite of carefully selected articles introduced by way of experts with major point of workmanship within the area of web technical foundations and its purposes.

The content material of the e-book is split into 3 parts:

  • Internet - technical basics and applications
  • Information administration systems
  • Information protection in disbursed laptop systems

This e-book is a reference instrument ready for scientists and different people fascinated about designing, implementation and assessment of net applied sciences. Its readers are available between researchers, academics and likewise scholars of machine technological know-how and comparable disciplines.

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Extra resources for Internet – Technical Development and Applications

Example text

In RED drop function there are two thresholds Minth 2 Performance Modeling of Selected AQM Mechanisms in TCP/IP Network 13 and Maxth . If avg < Minth all packets are admitted, if Minth < avg < Maxth then dropping probability p is growing linearily from 0 to pmax : p = pmax avg − Minth Maxth − Minth and if avg > Maxth then all packets are dropped. 1. g. [21], [22]. The mean avg may be also determined in other way, see [20] for discussion. Despite of evident highlights, RED has also such drawbacks as low throughput, unfair bandwidth sharing, introduction of variable latency, deterioration of network stability.

Packet of size greater than 50 bytes in the moment of arrival to the node is automatically decomposed into blocks of 50 bytes. If the number of free blocks in buffer is lesser than number of blocks, which the client packet consists of, the packet is rejected. Results, obtained with OMNeT++ simulator [13], comparing performance of network with and without PRM are summarized below. 4. Tables 5(a)-5(d) show average time of block stay in buffer as well as average buffer fulfilment (number of blocks).

This enables the network to be used for transporting various classes of data with varying requirements as to the quality of service. Simulation trials have been conducted and an analytical model for this type of network has been proposed. 1 Introduction The technology of optical transport is used mainly in wide-range backbone networks using the SONET/SDH technology. These networks as well as the networks using other optical technologies, such as Ethernet or FDDI, belong to the class of opticalelectronic networks, since packets are sent through a fibre in the optical form but they are switched in the network’s nodes after being converted into the electronic form.

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Internet – Technical Development and Applications by Daniel Jachyra (auth.), Ewaryst Tkacz, Adrian Kapczynski (eds.)


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