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In order to rapidly response to users request in high-speed mobile environment, achieve efficient content distribution in content center network, this paper proposed a novel multipath routing transmission mechanism based on network coding (MRNC). By using network coding technology, users Interest packet is divided into multiple child interest packet, and the content is divide and random linear codes...
Distributed Storage Systems (DSS) have seen increasing levels of deployment in data centers and in cloud storage provider networks. They provide efficient and cost-effective ways to store large amounts of data and ensure resilience to failures by using mirroring and coding schemes at the block and file level. While mirroring techniques provide an efficient way to recover lost data, they require excess...
Although network coding has shown the potential to revolutionize networking and storage, its deployment has faced a number of challenges. Usual proposals involve two approaches. First, deploying a new protocol (e.g., Multipath Coded TCP), or retrofitting another one (e.g., TCP/NC) to deliver benefits to any application in a computer. However, incorporating new protocols to the Internet is a challenging...
We study the broadcast transmission of a single file to an arbitrary number of receivers in a wireless one-hop setting, using random linear network coding (RLNC). In contrast to similar studies, we apply RLNC within segments of the file. In a previous study, we showed that this method can achieve near optimal file transfer completion time while tackling the main drawbacks of RLNC; increased decoding...
Delay Tolerant Network (DTN) is widely applied to the situation that difficult to deploy infrastructure. It has the characteristics of nodes distributed sparsely, connect unstably, large delay and high bit error rate. These characteristics of DTN, lead to the data efficient transmission encountered a certain challenge. Network coding is proposed to improve network throughput, balance network load...
MPTCP is a TCP extension that enables transparent multipath for multihomed hosts. However, MPTCP is subject to head-of-line blocking, a problem that degrades delay and throughput. This problem is especially critical when used in wireless environments. On wireless, unreliable links, for example, traffic can get stalled on one path, slowing down the entire flow. A related problem is rescheduling the...
Road Side Units (RSUs)-based data communication (V2I) is an increasingly popular technique in vehicular networks to alleviate the frequent vehicle-to-vehicle (V2V) communication problem. On-demand broadcasting is a scalable approach for supporting large clients with dynamic demands. However, the performance of the traditional on-demand broadcast can be improved significantly with the incorporation...
Since the first applications of network coding, there has been an increasing interest in this technology due to the promising benefits regarding efficiency. Moreover, network coding already provides a certain level of inherent security called algebraic security. Since this inherent security is not sufficient against a stronger attacker, a number of confidential network coding schemes has been developed...
Multi-path TCP has recently shown great potential to take advantage of the rich path diversity in data center networks (DCN) to increase transmission throughput. However, the small flows, which take a large fraction of data center traffic, will easily get a timeout when split onto multiple paths. Moreover, the dynamic congestions and node failures in DCN will exacerbate the reorder problem of parallel...
Vehicular Ad hoc Networks (VANETs), a sub group of Mobile Ad hoc Networks (MANETs), are networks that have no fixed infrastructure and instead depend on the vehicles themselves to provide exchange of information. They have potential in enhancing road safety by sharing emergency information to other vehicles in the network. However, because of constant movement of vehicles, presenting a successful...
How to extend network's lifetime is one of the most important problem in the Wireless Sensor Networks (WSNs). Network's Lifetime is directly dependent on node inside the area, especially the node nearly the sink, these nodes consumes its power very quickly to support large data stream from outside to the sink node, they takes on the heavy traffic and formed the bottleneck zone. To solve this problem,...
Multiuser cooperative communication is a new communication paradigm that allows multiple source node transceivers data to destination node. Network coding (NC) has been proved to provide significant performance improvement for cooperative communication in wireless networks (WNs). Sliding window-based network coding is a variation of NC that is an addition to data streaming and improves the data delay...
It is known that there exists a multiple-unicast network which has a rate 1 linear network coding solution if and only if the characteristic of the finite field belongs to a given finite or co-finite set of primes. In this paper, we present a generalization of this result for a linear network coding solution of any rate. Specifically, we show that for any non-zero positive rational number k/n, there...
Sum-networks are networks where all the terminals demand the sum of the symbols generated at the sources. It has been shown that for any finite set/co-finite set of prime numbers, there exists a sum-network which has a rate 1 linear network coding solution if and only if the characteristic of the finite field belongs to the given set. It has also been shown that for any positive rational number k/n,...
It is known that the Fano network has a vector linear solution if and only if the characteristic of the finite field is 2; and the non-Fano network has a vector linear solution if and only if the characteristic of the finite field is not 2. Using these properties of Fano and non-Fano networks it has been shown that linear network coding is insufficient. In this paper we generalize the properties of...
We propose the design of a novel coding scheme of unequal-sized packets. Unlike the conventional wisdom that consists of brute-force zero-padding in Random Linear Network Coding (RLNC), we exploit this heterogeneity to shave off this trailing overhead and transmit considerably less coded packets. Thanks to the very basic design, which consists of randomly shifting each original packet then applying...
Consider a multi-source multicast network coding problem with correlated sources. While the fundamental limits are known, achieving them, in general, involves a computational burden due to the complex decoding process. Efficient solutions, on the other hand, are by large based on source and network coding separation, thus imposing strict topological constraints on the networks which can be solved...
Block by block differential encoding is proposed for two-way relay network using amplify and forward protocol at the relays. In order to achieve bandwidth efficiency the bits are mapped into 16-ary differential amplitude phase shift keying (DAPSK) symbols. Phase estimation and reference carrier estimation at the receiver is avoided by using this non-coherent detection technique. The symbols are mapped...
A wireless ad-hoc network can be made to perform better via a range of approaches. One such approach is network coding, which involves broadcasting of encoded packets and therefore can substantially enhance network capacity whilst preserving the quality of service. The use of routing algorithms that are aware of network coding can help to strengthen the benefits of this approach. In order to gain...
Multipath TCP (MPTCP) is a promising extension of TCP to spread data across several subflows enabling multiple path support. Like TCP, MPTCP suffers from performance degradation when deployed in wireless networks. It tends to interpret random link losses as congestion signals. Yet, the protocol is showcased for handheld devices with multiple radios to enable throughput aggregation and seamless handover...
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