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Software-Defined Networks (SDN) is an emerging area that promises to change the way we design, build, and operate network architecture. It tends to shift from traditional network architecture of proprietary based to open and programmable network architecture. However, this new innovative and improved technology also brings another security burden into the network architecture, with existing and emerging...
Honeypots have been largely used to capture and investigate malicious behavior through deliberately sacrificing their own resources in order to be attacked. Hybrid honeypot architectures consisting of frontends and backends are widely used in the research area, specially due to the benefits of their high scalability and fidelity for detailed attacking data collection. A hybrid honeypot system often...
The use of Software Defined Network (SDN) in recently networking architecture has brought tremendous advantage in computer networking technology. Administrative issues such as routing, security and load balancing can be centralized and automated in SDN controllers. Controllers have been an integral part of the SDN architecture enabling intelligent networking. However, because all the packets are transmitted...
In this paper, we introduce a SDN(Software Defined Network) based DDoS(Distributed Denial of Service) Defense mechanism. Our mechanism employs SDN's flexibility to redirect packets. The traffic between clients and servers is relayed by a group of dynamic proxy node switches. After several shuffles, our mechanism can mitigate DDoS attack as well as quarantine attackers. The simulation results confirm...
Currently the SDN research community considers in-line dynamic network functions too complex for SDN, leading to calls to purge them from the forwarding plane. This paper introduces a comprehensive framework that tames this complexity and allows network administrators to deploy complex network functions into the SDN forwarding plane to provide enhanced and provable network properties. We first illustrate...
Software-Defined Networking (SDN) is a brand-new networking technology which promises to provide flexible architecture and power features. However, performance is always a major concern in deploying SDN. In this paper, we demonstrate how a naive SDN network may suffer from long delay for the first packet in a session, and we propose a "Look Ahead Mechanism" to shorten the delay time. In...
Software-Defined Networking (SDN) has evolved as a new networking paradigm to solve many of current obstacles and limitations in communication networks. While initially intended mainly for single-domain networks, SDN technology is going to be deployed also to large cloud-based data centers where several customers, called tenants, share network resources. In a multi-tenant environment, the SDN technology...
In this article, it has implemented a module of network traffic balance, using defined networks by software (SDN), distributing the flow of network information, according to physical external variables which come from electronic sensors. The architecture of proposed network works with the Floodlight controller, which executes the module of load balance, modified to be employed at dependency on the...
Software-Defined Networking (SDN) has become a promising network architecture in which network devices are controlled by a SDN Controller. Employing SDN offers an attractive solution for network security. However the attack prediction and Prevention, especially for Distributed Denial of Service (DDoS) attacks is a challenge in SDN environments. This paper, analyzes the characteristics of traffic flows...
There is an increasing demand for secure communication services that can dynamically reflect user needs. Conventional dedicated services such as an Internet VPN or IPVPN using IPsec and MPLS have inherent shortcomings, making it difficult for them to dynamically reflect user requirements when faced with limited network resources. It is also quite important for communication services to deal effectively...
With the development of network especially the internet technology, the communication between spacecraft and ground station based on network is becoming a hot research topic. In order to link terminals between space and ground, a network architecture according to the characteristics of the RF links between space and ground, is given in this paper, which is mainly base on the IP over CCSDS protocol...
In current generation LTE networks, user mobility leads to high levels of signaling traffic from the eNodeB (Evolved Node B) to the Evolved Packet Core (EPC) for maintaining the GPRS Tunneling Protocol (GTP) and Proxy Mobile IPv6 (PMIPv6) tunnel. Further, the presence of Packet Gateway (PGW) at the network edge introduces additional delay for every signaling procedure. In this paper, we propose an...
Data traffic in Mobile networks is increasing exponentially since last few years and is projected to increase multifold before the end of this decade. Evolution in heterogeneous wireless networks and network based mobility protocols has enabled the usage of simultaneous traffic flows on all available wireless accesses. Standardization of IP Flow Mobility (IFOM) from 3GPP Release 10 provides possibility...
IPv6 is a technology that provides enormous address space and end-to-end communication, features that are required in the context of the device automation integration for future network. The transition to IPv6 holds the future of the internet infrastructure. Software-defined networking (SDN) defines a new concept for computer networks that can separate and provide abstract elements of network devices...
Software Defined Networking (SDN) and OpenFlow represent the most commonly deployed approaches of the so called Programmable Networks. SDN is an emerging network architecture, which performs the subdivision of control plane and data plane and allows greater speed, greater scalability, and greater ductility in terms of routing and forwarding. OpenFlow, instead, is an SDN component that characterizes...
This demo deals with a new orchestrator, the OFVN controller, specifically designed, according to the SDN principles, to deliver Cloud services with IT and network resources requirements.
Cloud computing data centers are becoming increasingly popular for the provisioning of computing resources. In the past, most of the research works focused on the effective use of the computational and storage resources by employing the Virtualization technology. Network automation and virtualization of data center LAN and WAN were not the primary focus. Recently, a key emerging trend in Cloud computing...
Enterprise networks have become increasingly important with the rising number of users accessing their services, which consequently brings challenges in various aspects. Though Open Flow, the promising scheme for enterprise network control, can provide fine-grained and flow-level control in networks, yet it still has a few undesirable designs in security, scalability and performance. Inspired by many...
In this work, a new architecture for loss less data compression and decompression is integrated within an Ethernet switch using the NetFPGA open platform. The aim is compressing data packets in a block-based storage network. Data packets are compressed when written to the target disk and decompressed when read by the initiator. ATA-over-Ethernet (AoE) has been chosen as it is an efficient and relatively...
With the Internet and Intranet popularization and the broadband technology development, the number of network node in large and medium-scale enterprise's network or university's network is increasingly swift increase. But, network virus and attacks, especially, such as network loop, ARP spoofing and DHCP attack result in network fault frequently happened, even cause network paralysis. For solving...
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