“…Another set of transport solutions [36][37][38][39][40][41][42][43] require the modification of existing protocols such as SCTP and TCP. Both sets of solutions require the use of a scheduling algorithm to determine the amount of traffic to be sent on each network interface.…”
Abstract:The Transmission Control Protocol (TCP) is the most used transport protocol to exchange reliable data between network devices. A considerable number of extensions have been implemented into TCP to achieve better performance. In this paper, we will present, describe, implement, and analyze a new protocol extension called Bandwidth-Aggregation TCP (BATCP), which enables the concurrent use of network interfaces, to improve network performance on multi-homed nodes. BATCP allows the use of multiple TCP connections to accept multiple IP addresses from a multi-homed node, scheduling segments among them based on a scheduling algorithm. Our results show that BATCP achieves full exploitation of each network interface, achieving up to 100% network utilization using two ADSL connections in real-world scenarios. MultiPath TCP (MPTCP) is currently being standardized, and achieves up to 96% of network utilization when in ideal conditions. BATCP and MPTCP are the only protocols tested on real-world scenarios. Related work such as the Proxy Inverse Multiplexer, called PRISM, and bandwidth aggregation with Stream Control Transmission Protocol (SCTP) achieve 80% utilization or less with network simulators.
“…Another set of transport solutions [36][37][38][39][40][41][42][43] require the modification of existing protocols such as SCTP and TCP. Both sets of solutions require the use of a scheduling algorithm to determine the amount of traffic to be sent on each network interface.…”
Abstract:The Transmission Control Protocol (TCP) is the most used transport protocol to exchange reliable data between network devices. A considerable number of extensions have been implemented into TCP to achieve better performance. In this paper, we will present, describe, implement, and analyze a new protocol extension called Bandwidth-Aggregation TCP (BATCP), which enables the concurrent use of network interfaces, to improve network performance on multi-homed nodes. BATCP allows the use of multiple TCP connections to accept multiple IP addresses from a multi-homed node, scheduling segments among them based on a scheduling algorithm. Our results show that BATCP achieves full exploitation of each network interface, achieving up to 100% network utilization using two ADSL connections in real-world scenarios. MultiPath TCP (MPTCP) is currently being standardized, and achieves up to 96% of network utilization when in ideal conditions. BATCP and MPTCP are the only protocols tested on real-world scenarios. Related work such as the Proxy Inverse Multiplexer, called PRISM, and bandwidth aggregation with Stream Control Transmission Protocol (SCTP) achieve 80% utilization or less with network simulators.
“…In WM 2 -SCTP communication mechanism, each sub-flow has its own sending buffer and receiving buffer. The congestion control mechanism and the flow control mechanism of each sub-flow can follow the standard SCTP (Nguyen, & Bonnet, 2008), TFRC (Fracchia, Casetti, Chiasserini, & Meo, 2007) and other algorithm, to realize the integration with other transport protocols guarantee in the network. 4.…”
Section: Wm 2 -Sctp Designmentioning
confidence: 99%
“…The characteristics of the future 4G is the integration of network multiple access technology, a lot of supporting multiple access technology of multi-mode terminals are into the commercial stage, such as multimode mobile phone, multimode PDA, multimode notebooks, etc. ; In addition, NEMO (Network Mobility Support) (Nguyen, & Bonnet, 2008) puts forward to support multiple access technology of wireless router equipment, used in transport and other means of transport, in order to meet the mobility requirements and the communication service quality requirements of a large number of car users. At the meanwhile, compared with the existing communication system, 4G system will support more diversified business, and will become more and more complex in the form of the business.…”
As a promising candidate of general-purpose transport layer protocol, the Stream Control Transmission Protocol (SCTP) has its new features such as multi-homing and multi-streaming. SCTP association can make concurrent multi-path transfer an appealing candidate to satisfy the ever increasing user demands for bandwidth by using Multi-homing feature. And multiple streams provide an aggregation mechanism to accommodate heterogeneous objects, which belong to the same application but may require different QoS from the network. In this paper, the authors introduce WM2-SCTP (Wireless Multi-path Multi-flow - Stream Control Transmission Protocol), a transport layer solution for concurrent multi-path transfer with parallel sub-flows. WM2-SCTP aims at exploiting SCTP's multi-homing and multi-streaming capability by grouping SCTP streams into sub-flows based on their required QoS and selecting best paths for each sub-flow to improve data transfer rates. The results show that under different scenarios WM2-SCTP is able to support QoS among the SCTP stream, and it achieves a better throughput.
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