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In this paper, we propose an OpenFlow enabled Internet infrastructure, using virtual path slicing in an end-to-end path, so that any user connected to an OpenFlow network is dynamically allocated a corresponding right of way. This approach allows an interference-free path, from other traffic, between any two endpoints, on multiple autonomous systems, for a given application flow (e.g., WebHD Video...
The Internet has become an integral part of human's life with an ever increasing number of applications and services that it provides to its customers. Both the numbers of Internet users and services provided by the Internet continue to rise tremendously. Quality of Service (QoS) is the ability of a network to provide better services for the users to divide the bandwidth according to the needs of...
In this paper, we analyze flow-based routing schemes in SDN. Specifically, we study the flow-based routing performance; combining the knowledge of the link condition and updating the period for calculating the path. The framework uses centralized control of SDN where the SDN controller calculates available paths to determine the routing policy based on a global knowledge network. This flow-based routing...
Bundling the resources of different access links is a measure to improve throughput and resilience to network failure. This paper proposes a solution able to bundle the own DSL resources with available resources of neighbouring DSLs. The solution is based on links between the DSL routers (e.g. using Wi-Fi technology) which are used by the bundling algorithm to distribute data packets over the available...
Mobile ad hoc networks (MANETs) are self-configuring, dynamically adaptable networks of heterogeneous devices, some of which can assume the role of routers. Meanwhile, mobile computing is an increasingly pervasive technology worldwide, thus positioning MANETs as a very suitable technology for disaster scenarios. This article addresses the problem of guaranteeing a minimum operational infrastructure...
Information Centric Networks (ICN) has emerged as a new Internet paradigm where the users are being provided seamless access to contents rather than the host as in classical approach. For ICN realization, the current Internet requires architectural changes. These changes must be incorporated such that existing applications continue running without any difficulties. In this paper, we introduce a novel...
Wireless devices have undergone m any enhancements and currently most devices have multitude of radio access technologies such as Wi-Fi and LTE. While this multi-interface capability provides the potential to increase capacity, coverage, reliability and efficiency of wireless communications, cross layer routing among these heterogeneous networks, ensuring appropriate quality of service is a complex...
As one of the most popular topics in the Next Generation Network (NGN), Named Data Networking (NDN), a newly proposed network architecture centered on content data, targets on altering the existing communication protocol between Internet hosts. NDN uses data names rather than IP addresses for data transmission and re-designs the packet formats and the protocols between layers in order to substitute...
Efficient delivery of video sequences over best effort networks is challenged by delay variations and packet losses which occur due to congestion at intermediate routers in addition to the stringent quality of service (QoS) requirements of video applications. In this paper, we propose a joint path diversity and priority-based queuing scheme for video streaming over best effort networks like the Internet...
With the development of Internet and the constant emergence of all kinds of multimedia business, user's demand on Quality of Service (QoS) becomes higher and higher. However, the current Internet routing protocol could not provide a good solution for QoS. Quality of service route is at present a very important research topic in the routing protocol, but it is hard to give a perfect method for network...
Traditional multicast protocol forms multicast trees rooted at different sources to forward packets. If the multicast sources and receivers are in different domains, these trees will produce a great number of multicast states in the backbone, resulting in poor scalability. Therefore, we propose a one Wide-Sense Circuit Tree per Traffic Class based inter-domain multicast (WSCT-TC), in which a Wide-Sense...
Today router buffers are sized according to the well-known Bandwidth-Delay Product (BDP) rule, which uses the average round-trip time (RTT) of flows traversing a router. The BDP rule not only leads to large queueing delays, but also imposes “one (buffer) size fits all” philosophy for flows exhibiting a large variation in RTT. When short and long RTT flows compete at a single buffer, they may adversely...
Recently, many research works on reducing energy consumption using information and communication technology (ICT) have done. In those works, however, electrical power saving in home heavily relies on human effort; we can expect little performance since it can save power only when living people have awareness. To overcome this problem, we have been studied energy-on-demand home networking, based on...
This paper proposes a method on reducing processing time of the incoming packets using the signature matching in a router. According to the proposed method, the router has enhanced processing time using signature matching of necessary portion and referring of pre-investigated packet routing table. As a result, this method provides improved quality for real-time traffic such as VoIP and video streaming/conferencing.
Location management in wireless networks serves the purpose of locating silently roaming mobile nodes (MNs) prior to establishing new communications. However, existing fixed location area (LA) designs and dynamic location management schemes proposed for cellular and wireless local area networks are not applicable to Internet-based infrastructure wireless mesh networks (IiWMNs) because they do not...
One of the biggest problems of todays Internet is the explosion of the size of the routing tables of Internet core routers, especially due to the growth of multi-homed hosts and networks. This paper explains the benefits that the Recursive InterNetwork Architecture (RINA) brings to network service providers in terms of routing scalability: with an appropriate design the size of the router tables can...
This paper presents an overview of the current service delivery models that exist in the Internet, covering also the motivation that triggered the introduction of each model separately. Different Quality of Service (QoS) frameworks like Integrated Services (IntServ), Differentiated Services (DiffServ) and Multiprotocol Label Switching (MPLS) are presented taking into consideration also the alteration...
The wireless world is migrating towards an era that will comprise wireless network infrastructure, as well as more local/temporary structures which, for instance, can be called Opportunistic Networks (ONs). ONs can comprise various terminals/devices, potentially organized in an infrastructure-less (ad-hoc) network mode, and be terminated at a set of access points of the infrastructure-based network...
The classical Resource ReSerVation Protocol (RSVP) is a flow-based signaling protocol used for reserving resources in the network for a given session. The core of Integrated Service (IntServ) Model is RSVP. RSVP is a unidirectional resource reservation protocol; it can only reserve resources for the TCP data flow along the forward direction path, and cannot provide any protection to the ACK packets...
OSPF is one of the routing protocols which is the most widely used in internet and intranet today. The link-state algorithm in OSPF is based on the thought of local optimization, but in certain cases, routing algorithms based on local optimization might lead to a disadvantage which will remarkably depress global performances. A self-adaptive method based on the genetic algorithm is proposed, which...
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