Abstract
Currently, the standardisation of on-path signalling protocols is going on within the Next Steps in Signalling (NSIS) Working Group of the IETF. NSIS is responsible for the definition of a general IP signalling protocol. The first use case of the proposed protocol is flow-level resource management. One of the considered reservation methods, reduced-state mode, is based on the Resource Management in DiffServ (RMD) framework. Since it relies only on per-class state information in interior routers, it has a number of benefits including scalability, low complexity, and low memory consumption. However, the price of simplicity is decreased efficiency in case of exceptional situations. The most demanding task for RMD is the handling of congestion that may occur after a failure resulting in re-routing of flows onto a new path. Resolving a suddenly evolved overload without per-flow states is a highly non-trivial task. We present a low complexity mechanism which easily handles the undesirable situation, and we give guidelines to set the parameters of our scheme based on worst-case calculations.
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References
Hancock, R., Freytsis, I., Karagiannis, G., Loughney, J., den Bosch, S.V.: Next steps in signaling: Framework. Internet Draft draft-ietf-nsis-fw, IETF (2004) (Work in progress)
den Bosch, S.V., Karagiannis, G., McDonald, A.: NSLP for quality-of-service signaling. Internet Draft draft-ietf-nsis-qos-nslp, IETF (2004) (Work in progress)
Braden, R., Zhang, L., Berson, S., Herzog, S., Jamin, S.: Resource reservation protocol (RSVP) – version 1 functional specification. RFC 2205, IETF (1997)
Báder, A., Westberg, L., Karagiannis, G., Kappler, C., Phelan, T.: RMD-QOSM - the Resource Management in Diffserv QoS model. Internet Draft draft-ietf-nsis-rmd, IETF (2005) (Work in progress)
Karagiannis, G., Báder, A., Pongrácz, G., Császár, A., Takács, A., Szabó, R., Westberg, L.: RMD – a lightweight application of NSIS. In: Proc. of the Networks 2004, Vienna, Austria (2004)
Westberg, L., Császár, A., Karagiannis, G., Marquetant, A., Partain, D., Pop, O., Rexhepi, V., Szabó, R., Takács, A.: Resource management in diffserv (RMD): A functionality and performance behavior overview. In: Carle, G., Zitterbart, M. (eds.) PfHSN 2002. LNCS, vol. 2334, p. 17. Springer, Heidelberg (2002)
Császár, A., Takács, A.: Comparative performance analysis of RSVP and RMD. In: Karlsson, G., Smirnov, M. (eds.) QofIS 2003. LNCS, vol. 2811, pp. 41–51. Springer, Heidelberg (2003)
Császár, A., Takács, A., Szabó, R., Rexhepi, V., Karagiannis, G.: Severe congestion handling with resource management in diffserv on demand. In: Proc. of the Networking 2002, Pisa, Italy (2002)
Császár, A., Takács, A., Szabó, R., Henk, T.: State correction after re-routing with reduced state resource reservation protocols. In: Proc. of the Globecom 2004, Dallas, TX, USA (2004)
Pan, P., Schulzrinne, H.: YESSIR: a simple reservation mechanism for the internet. ACM SIGCOMM Computer Communication Review 29 (1999)
Ramakrishnan, K., Floyd, S., Black, D.: The addition of explicit congestion notification (ECN) to IP. RFC 3168, IETF, Network WG (2001)
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Császár, A., Takács, A., Báder, A. (2005). A Practical Method for the Efficient Resolution of Congestion in an On-path Reduced-State Signalling Environment. In: de Meer, H., Bhatti, N. (eds) Quality of Service – IWQoS 2005. IWQoS 2005. Lecture Notes in Computer Science, vol 3552. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11499169_23
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DOI: https://doi.org/10.1007/11499169_23
Publisher Name: Springer, Berlin, Heidelberg
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