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In the existing SCTP, an association is established by exchanging four initial chunks during four-way handshakes. What is serious is that the association establishment phase has to be backed off exponentially once any initial chunk gets lost or suffers random bit errors. This will result in a severe performance degradation of SCTP over wireless networks due to a very long waiting time. In order to...
Up to now, the most concurrent multi-path transport (CMT) schemes mainly aim at the issues caused by forward transmission like data reordering at receiver side and neglect the studies on impact of reverse paths' transmission delays. This paper proposes a SACK scheduling mechanism for the CMT schemes to accelerate data transmission in multi-homing environment, in this scheme, the most SACK chunks will...
TCP Selective ACK (SACK) Scheme is used by receiver to notify sequence space information of receiving buffer to sender. In standard SACK scheme, however, each SACK block has to be described by eight bytes, which may introduce significant overhead and restrict other schemes to use TCP option space. Moreover, in some worse cases, some unnecessary retransmission may be triggered, especially when errors...
In recent years, a lot of performance evaluation methodologies and tools have been developed within disparate research communities for the purposes of evaluation, design, and model reduction. Among those as a free and powerful evaluation tool, ns2 has attracted more and more users who focus on developing/designing various network protocols. On the other hand, stream control transmission protocol (SCTP)...
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