Un método basado en token para la congestión y control de pérdidas de paquetes (A Token Based Method for Congestion and Packet Loss Control)

Zhiqiang Shi (shizhiqiang@iie.ac.cn)1, Dan Ionescu (ionescu@site.uottawa.ca)2, Dongli Zhang (dzhang@site.uottawa.ca)2

1Institute of Software Chinese Academy of Sciences
2University of Ottawa

This paper appears in: Revista IEEE América Latina

Publication Date: March 2013
Volume: 11,   Issue: 2 
ISSN: 1548-0992

Presently the Internet accommodates simultaneous audio, video, and data traffic. This requires the Internet to guarantee the packet loss thus to control network congestion. A series of protocols have been introduced to supplement the insufficient TCP mechanism for controlling the congestion. As such the Core-Stateless Fair Queuing (CSFQ), Token-Based Congestion Control (TBCC) were designed as open or closed-loop controller respectively to provide the fair best effort service for supervising the per-flow bandwidth consumption. In this paper, Stable Token-Limited Congestion Control (STLCC) is introduced as a new protocol which appends inter-domain congestion control to TBCC and makes the congestion control system stable. STLCC produces a congestion index, pushes the packet loss to the network edge and improves the network performance. Finally, the simple version of STLCC is introduced. It is deployable in the Internet without any IP protocols modifications and preserves also the packet datagram.

Index Terms:
Congestion Control, Congestion-Index, CSFQ, TBCC,Re-feedback, Inter-Domain,TLCC, P2P.   

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