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Software defined networking (SDN) technology promises a new bright future to IP network. Significant number of SDN researches have been done so far to facilitate network operation and management efficiently. However, until now there are only few frameworks to support emulation, verification, and implementation of the SDN. Mininet is one of the most popular tools because of the openness, cost effectiveness,...
Current approaches to Information-Centric Networking (ICN) facilitate the publication and retrieval of content in a network through a variety of discovery, caching and forwarding approaches, thus defining an equivalent of the data plane in the current Internet infrastructure. However, in contrast to the current Internet, ICN lacks a definition of the control plane for the management of the operation...
Internet connection is essential for daily life, however not all areas are covered by Internet access due to historical reasons. For example, with 3.7 million daily passengers, London underground system has no WiFi or cellular signal provided during travelling due to legacy reasons. Deploy new access infrastructure need to consider the integrating problem with the current environment, also bring a...
For reenterable models of IP networks with dynamic routing according to RIP protocol, measuring subnets for QoS parameters evaluation have been essentially modified and extended. Online algorithms of statistical analysis have been specified by colored Petri nets. The mean and variance of the packet delivery time have been evaluated. As a result, the computation precision has grown and an essential...
The “Stuxnet” event and the Ukraine blockout event caused by cyberattacks have shown that it is very important for power systems to implement proactive cyber defense. With the construction of energy internet, the terminal-edge accessing proactive defense technology of energy internet has drawn lots of attentions. This paper constructed the proactive defense model of energy internet terminals edge-access...
Named Data Networking (NDN) is a promising solution to the explosion of multimedia traffic on the Internet. NDN shifts the paradigm of host-centric approach to name-based approach, allowing the retrieval of contents solely by their name. To support this, NDN has caching as one of its main feature. Seen as a critical aspect to maximize its potential, caching in NDN has invited a lot of researches related...
A MAC protocol for indoor VLC LAN based on CSMA/CA is described in the paper. Theoretically, the protocol can do well in solving HTP and terminal motion. We adopt RTS/CTS mechanism to avoid transmission collision among terminals. Also, an appropriate frame format based on IEEE 802.3 and IEEE 802.11 is proposed, contributing to solve HTP and terminal motion problem. At last, we established a demo system...
Named Data Networking (NDN) is one of the future Internet architectures and has recently attracted a great deal of attention. NDN adopts named routing and caches all content on routers en-route. It helps to accelerate content distribution and reduces content retrieval latency. However, it also brings a large number of redundant data in the network. In this paper, we propose an in-network caching strategy...
Information centric networking (ICN) is one of the emerging Internet paradigms proposed to overcome the shortcoming of the current host-centric Internet. With ubiquitous in-network caching, ICN can facilitate content delivery and reduce network delay. In this paper, we propose a novel collaborative caching scheme based on routers' position to cache popular videos on the edge routers which are closer...
In many Internet of ing (IoT) application domains security is a critical requirement, because malicious parties can undermine the eectiveness of IoT-based systems by compromising single components and/or communication channels. us, a security infrastructure is needed to ensure the proper functioning of such systems even under aack. However, it is also critical that security be at a reasonable resource...
Current Internet traffic is carried mainly by the Transmission Control Protocol (TCP), and the performance of the Internet depends strongly on how well TCP works. Detecting and mitigating the congestion is one of the main tasks of this protocol, in fact, different TCP versions are defined by their congestion control algorithm. Also, Active Queue Management (AQM) algorithms share the same goal of congestion...
We present NetCheck, a network policy language for verifying large-scale networked infrastructures. NetCheck is expressive enough to capture basic network properties such as reachability and maintenance, as well as more complex behaviours such as end-to-end connectivity, traffic isolation or tunnel invariance. NetCheck is fully-automated, and does not require any intervention on the network under...
The Border Gateway Protocol (BGP) is the current standard protocol for the inter-domain routing system. Although BGP makes easy to manipulate the output traffic by an Autonomous System (AS), it lacks other desired features such as convenient management of incoming traffic to an AS. Thus, we propose a framework to evolve the control plane routing system that is compatible with BGP (smooth transition),...
Social networks are the major routes for most individuals to exchange their opinions about new products, social trends and political issues via their interactions. It is often of significant importance to figure out who initially diffuses the information, i.e., finding a rumor source or a trend setter. It is known that such a task is highly challenging and the source detection probability cannot be...
The content delivery network (CDN) intensively uses cache to push the content close to end users. Over both traditional Internet architecture and emerging cloud-based framework, cache allocation has been the core problem that any CDN operator needs to address. As the first step for cache deployment, CDN operators need to discover or estimate the distribution of user requests in different geographic...
Internet Protocol version 6 (IPv6) over Low power Wireless Personal Area Networks (6LoWPAN) is extensively used in wireless sensor networks (WSNs) due to its ability to transmit IPv6 packet with low bandwidth and limited resources. 6LoWPAN has several operations in each layer. Most existing security challenges are focused on the network layer, which is represented by its routing protocol for low-power...
Large-scale high-capacity communication networks among airborne platforms are quickly becoming a reality. Today, both Google and Facebook are seeking to form networks between high flying balloons and drones in an effort to provide Internet connections from the upper atmosphere to users on the ground. These airborne networks, that will likely use directional communication links between nodes to achieve...
To deal with the severe challenge from explosively increasing mobile users' multimedia service requests in mobile networks, introducing cloud-based computing platform and content caching into radio access networks (RANs) has become an effective emerging technique. In this paper, we propose a collaborative hierarchical caching framework in cloud RANs (C-RANs), which minimizes the access delay of content...
Information Centric Networks (ICN) is very promising for Internet of Things (IoT) deployment, where the data-centric approach is useful in reducing the data retrieval latency as well as the network traffic for IoT services. Also, the innetwork caching capabilities in ICN limits the massive data access to the data producers and so relaxes the need of continuous connectivity E2E connectivity between...
This work describes a clean-slate inter-domain routing protocol designed to meet the needs of the future mobile Internet. In particular, we describe the edge-aware inter-domain routing (EIR) protocol which provides new abstractions of aggregated-nodes (aNodes) and virtual-links (vLinks) for expressing network topologies and edge network properties necessary to address next-generation mobility related...
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