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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...
This paper introduces a cross-layer strategy on how to safely enable the corruption-aware transport protocols in the next generation wireless communications without disabling the link layer 32-bit CRC checksum mechanisms. Simulation results show that the proposed scheme can help the corruption-aware transport protocols significantly improve their performance compared to that of the existing schemes.
The authors investigate the performance profit of concurrent multi-path transmission (CMT) schemes of Stream Control Transmission Protocol (SCTP) over various network environments. The results of simulation show that the performance profit of CMT-SCTP schemes strongly depends on network conditions (e.g., bandwidth). This implies that there are still a lot of studies to be needed on how to effectively...
Unlike in wired networks, non-congestion losses will result in significant performance degradation in wireless networks. Thus some corruption-aware transport protocols have been presented to focus on the packet loss caused by corruption. Unfortunately, the corruption-aware transport protocols cannot work in realistic networks up to now, since the corrupted packets have been discarded by the link layer...
Stream Control Transmission Protocol (SCTP) uses an overall checksum scheme for each segment, by which a corrupted packet will be regarded as a lost one. This may result in degradation of SCTP's throughput performance over wireless networks. This paper proposes a hierarchical checksum scheme for SCTP, in which several checksum fields are distributed within a segment for different coverages. The main...
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