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Current I/O devices communicate based on the PCIe protocol, and by default, all the traffic passes through the CPU-memory complex. However, this approach causes bottleneck in system throughput, which increases latency and power as the CPU processes device specific protocols to move data between I/O devices. This paper examines the cost of this centralized I/O approach and proposes a new method to...
Reliable, fast, and power aware communication is needed for Ad-Hoc wireless networks. Current techniques based on client-server and Publish/Subscribe communication models are not suitable in multi-robot systems and generally for mobile applications. For this we propose a reliable peer-to-peer protocol based on a UDP Broadcast and Token Passing (UBTP). The protocol is implemented on a WLAN using the...
Today's laptops and mobile terminals are equipped with several network interfaces belonging to different access technologies. Users can benefit from multi-homing to access network services anywhere, at any time and from any network. Multipath TCP (MPTCP) is a modified version of Transmission Control Protocol (TCP) which allows a TCP connection to simultaneously send data over multiple paths. One of...
Delay/disruption tolerant networking (DTN) has recently been proposed as a very effective solution to cope with the problems posed by challenged networks (long delays, disruptions, absence of end-to-end connectivity, etc.). In order to assess DTN performance in such scenarios, it is essential to be able to rely on specific evaluation tools. In this paper we present DTNperf_2, which is a client-server...
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