Abstract
The TCP/IP internetworking technology has proven to be the means to build highly scalable, heterogeneous information infrastructures, as exemplified by the global Internet. Originally designed for data transport, the internet is being used increasingly for transport of multimedia information such as voice and video. With the increase in sophistication of desktop computers, and the availability of networked multimedia applications, private IP networks as well as the public Internet is likely to see more of this type of traffic. This type of usage, however, is ad-hoc in that the IP network architecture has been designed for “best-effort” delivery, without any guarantees on throughput or delay. To adequately support real-time traffic flows with bandwidth and delay requirements, the following features are needed:
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new service classes beyond best-effort to provide certain guarantees on throughput and delay to applications;
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a mechanism that allows applications to signal to the network their quality of service (QoS) requirements and to reserve network resources to obtain the desired QoS;
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traffic management mechanisms in hosts and routers, and
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a routing architecture that allows the dynamic discovery of QoS-accommodating paths in the network for data flows, in the presence of changes in network topology and loading.
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© 1997 Springer Science+Business Media New York
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Rajagopalan, B. (1997). Mobility and Quality of Service (QoS) in the Internet. In: Goodman, D.J., Raychaudhuri, D. (eds) Mobile Multimedia Communications. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-0151-4_16
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DOI: https://doi.org/10.1007/978-1-4899-0151-4_16
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