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The stream control transmission protocol (SCTP) is a transport layer protocol which can support mobility through its multi-homing feature. One of the key parameters used by SCTP to manage path selection is retransmission time out (RTO). We illustrate that SCTP's evaluation of underlying paths using end to end metrics, results in the calculation of excessive RTO for degraded wireless paths. This excessive...
The Stream Control Transmission Protocol (SCTP) is a transport layer protocol which can support mobility through its multi-homing feature. SCTP's mobility support can be subdivided into 2 areas: path performance evaluation and switch implementation. As a transport layer protocol, SCTP's path performance evaluation is limited by its end-to-end network view. In modern heterogeneous networks, it is likely...
The increased number and diversity of underlying networks have made transparent network migration a necessity. Through its support for multi-homing the Stream Control Transmission Protocol (SCTP) enables seamless network mobility by abstracting multiple underlying physical paths into a single end-to-end association. One of these paths is selected as the primary. When a number of retransmission failures...
Experimental results are presented for end-point controlled handover of a stream of voice-like packet data traffic between two independent wireless networks. The handover was achieved by using a version of the stream control transmission protocol (SCTP) that had been modified to monitor link quality and switch the primary connection to the ldquobestrdquo quality link available, where quality is evaluated...
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