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We propose the routing algorithm which improves nonstandard parts in ProPhet while keeping its interoperability with the standard. Key idea is that contact duration is reflected for delivery predictability (DP) calculation, and bundle forwarding decision and sorting algorithm are optimized based on how many times each bundle is forwarded. Through the analysis, we show that the proposed DP calculation...
Korean operators have started BcN implementation by replacement of old PSTN with access gateway. While, existing IP network has been expanded according to the increase of ADSL subscribers, metro Ethernet and various VoIP subscribers. New premium IP backbone for BcN and composite services has been installed and expanded based on MPLS functions, so one operator has two IP networks. Operator needs to...
The low-rate TCP attack has been reported recently. That is essentially a periodic short burst which exploits the homogeneity of the minimum retransmission timeout (RTO) of TCP flows. It is difficult to identify this sort of attack in BcN (broadband convergence network) due to no cooperative defense mechanisms among different networks. In this paper, NCP (network control platform) based centralized...
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