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Quality of Service i IP-nätverk
Linköping University, Department of Electrical Engineering.
2003 (Swedish)Independent thesis Basic level (professional degree)Student thesisAlternative title
Quality of Service in IP Networks (English)
Abstract [en]

The original promise behind the Internet Protocol was to deliver data from a sender to the receiver using a best-effort approach. This means that the protocol makes no guarantees except that it will try to deliver the data to the destination. If some problem occurs the packet may be discarded by the network without any notice. No guarantees are made regarding the time it takes to deliver the data, the rate at which data will be delivered or if data is delivered in the same order it was sent. The best-effort approach is arguably the reason behind the success of the Internet Protocol and is what makes IP scalable to networks the size of the Internet. However, this approach is also a problem for network operators who want to offer better quality of service to some of their customers. This master thesis will discuss some of the theories behind the implementation of quality of service schemes in an IP network and also provide an example of how to implement it in an existing network.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2003. , 63 p.
LiTH-ISY-Ex, 3323
Keyword [en]
Reglerteknik, computer networks, quality of service
Keyword [sv]
National Category
Control Engineering
URN: urn:nbn:se:liu:diva-1354OAI: diva2:18677
Available from: 2003-05-27 Created: 2003-05-27

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