NDLI: DiffServ-enabled adaptive traffic engineering over MPLS

Content Provider	IEEE Xplore Digital Library
Author	Saad, T. Tingzhou Yang Makrakis, D. Groza, V.
Copyright Year	2001
Description	Author affiliation: Broadband Wireless & Internetworking Res. Lab., Ottawa Univ., Ont., Canada (Saad, T.)
Abstract	In the past few years, new types of Internet applications that require performance guarantees beyond the best effort service have emerged. These applications have spread to include voice, video teleconferencing, and a new set of pervasive computing devices that demand hard delay bound guarantees. The Differentiated services model when combined with traffic engineering can provide a suitable architecture for ensuring QoS guarantees to such applications, especially when multiple parallel paths to the same destination exist in a provider's network. Multiprotocol label switching (MPLS) is a new technology that facilitates significantly the process of traffic engineering in IP networks. With MPLS and differentiated services traffic engineering (DS-TE), it is possible to define explicit routes with different performance guarantees on each route to ensure QoS constraints are met. We introduce a probe packet approach to measure the delay on established label switched paths (LSPs) between ingress/egress edge routers pair. These measurements are then used in a delay estimation algorithm to provide the measure of the expected delay within the path. We demonstrate, through simulations, that our proposed model provides a better service to higher priority traffic classes.
Sponsorship	China Assoc. Sci. & Technol.(CAST)
Starting Page	128
Ending Page	133
File Size	562574
Page Count	6
File Format	PDF
ISBN	0780370104
DOI	10.1109/ICII.2001.983565
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-10-29
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multiprotocol label switching Pervasive computing Teleconferencing Web and internet services Telecommunication traffic Delay estimation Computer architecture Traffic control IP networks Probes
Content Type	Text
Resource Type	Article

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