نتایج جستجو برای: ack

تعداد نتایج: 901  

Journal: :RFC 2004
Randall R. Stewart Michael A. Ramalho Qiaobing Xie Michael Tüxen Phillip T. Conrad

This memo describes an extension to the Stream Control Transmission Protocol (SCTP) that allows an SCTP endpoint to signal to its peer that it should move the cumulative ack point forward. When both sides of an SCTP association support this extension, it can be used by an SCTP implementation to provide partially reliable data transmission service to an upper layer protocol. This memo describes ...

2012
Marco Cattani Matthias Woehrle Koen Langendoen

This report introduces a MAC protocol for gossiping in mobile large-scale wireless sensor networks (WSNs). These systems present novel challenges that cannot be handled by current state-of-the-art protocols, such as mobility, scalability, and energy efficiency. We present the idea of SOFA (stop-on-thefirst-ack), an opportunistic MAC protocol that supports gossip and leverages its characteristic...

2009
Sung Won Kim

© 2009 Sung Won Kim et al. 83 ABSTRACT⎯Compared with unicast, multicast over wireless ad-hoc networks do not support reliability due to their inability to exchange request-to-send/clear-to-send (RTS/CTS) and ACK packets with multiple recipients. Although several media access control (MAC) layer protocols have been proposed to provide reliable multicast, these introduce additional overhead, whic...

Journal: :Current opinion in plant biology 2016
Martin A Lysak Terezie Mandáková M Eric Schranz

A decade ago the concept of the Ancestral Crucifer Karyotype (ACK) and the definition of 24 conserved genomic blocks was presented. Subsequently, 35 cytogenetic reconstructions and/or draft genome sequences of crucifer species (members of the Brassicaceae family) have been analyzed in the context of this system; placing crucifers at the forefront of plant phylogenomics. In this review, we highl...

Journal: :International Journal of Distributed Sensor Networks 2014

Journal: :International Journal of Computer Applications 2018

Journal: :ICST Trans. Security Safety 2015
Xiqing Zhang Yuan Feng Feng Hong Zhongwen Guo

The traditional routing protocols for delay tolerant networks (DTN) usually take the strategy of spreading multiple copies of one message to the networks. When one copy reaches destination, the transmission of other copies not only waste the bandwidth but also deprive other messages of the opportunities for transmission. This paper brings up a mechanism to eliminate the redundant copies. By add...

2008
Prabal Dutta Razvan Musaloiu-Elefteri Ion Stoica Andreas Terzis

We present an acknowledged anycast primitive that allows a node to wirelessly transmit a packet and efficiently determine that at least one neighbor successfully received it. The initiator transmits a single packet to a unicast, multicast, or broadcast address and all nodes that match the destination respond with identical acknowledgment packets automatically generated by the hardware. Although...

Journal: :Journal of bacteriology 2004
Robert Gerstmeir Annette Cramer Petra Dangel Steffen Schaffer Bernhard J Eikmanns

The adaptation of Corynebacterium glutamicum to acetate as a carbon and energy source involves transcriptional regulation of the pta-ack operon coding for the acetate-activating enzymes phosphotransacetylase and acetate kinase and of the aceA and aceB genes coding for the glyoxylate cycle enzymes isocitrate lyase and malate synthase, respectively. Deletion and mutation analysis of the respectiv...

Journal: :Ad Hoc Networks 2016
Hoki Baek Jaesung Lim

Recently, many variants of Slotted ALOHA (S-ALOHA) have been proposed to solve a problem of performance degradation in wireless networks with long propagation delay. However, they do not consider the effect of retransmission, which also largely degrades performance, and do not provide any analytical model that considers the effect. In this paper, we design a variant of S-ALOHA to support retran...

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