The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
This paper describes a centralized routing algorithm based on permutation of M traffic flows entering the network. The proposed approach is significantly less complex than combinatorial approach and can be used as load-balancing tool. The main advantage of such approach is that many non-perspective flow permutations could be eliminated from the calculation very early. If a new flow enters the network...
This paper proposes a methodology for resource consolidation towards minimizing the power consumption in a large network, with a substantial resource overprovisioning. The focus is on the operation of the core MPLS networks. The proposed approach is based on a software defined networking (SDN) scheme with a reconfigurable centralized controller, which turns off certain network elements. The methodology...
Network virtualization presents a new networking paradigm that allows to accommodate multiple isolated virtual networks in one physical network. OpenFlow-based switches are a promising technology to achieve isolation in the transport network. However, these lack carrier-grade QoS support. On the contrary, MPLS is a scalable transport network technology with carrier-grade QoS support. It can isolate...
Since conventional routing algorithm is easily leading to the problem that some segments of a network are quite congested while other segments along alternative routes are under utilized, this thesis proposed a new load balance algorithm called load balance algorithm using deviation path. Multiple Protocol Label Switching (MPLS) uses its explicit routing technology to implement traffic engineering...
In Multi-Protocol Label Switched (MPLS) networks, the number of traffic engineered tunnels or Label Switched Paths (LSPs) setup has an impact on network state maintenance, administration and scalability. In today's MPLS standards, for the purpose of path computation and signaling, multiple traffic classes carried together of a given service of a customer are treated individually. This work looks into...
We propose a primary path switching scheme to provide a seamless handover for dual-homed mobile terminals. This scheme is suggested as an enhancement to the mSCTP protocol. With our scheme, a mobile terminal performs primary path switching before it becomes unavailable due to its primary path drop. The improvement of the scheme comes from considering the temporal velocity of the mobile terminal with...
MPLS recovery mechanisms are increasing in popularity because they can guarantee fast restoration and high QoS assurance. In fact, QoS is important for interactive voice and video application and for specific clients. However, link failure always incurs delay and packet losses of the traffic passing through the failed link. Therefore, network has to restore the traffic by switching the affected traffic...
In this paper, we investigate the use of multi-criteria approaches to enhance the routing process in MPLS networks. Dealing with distributed routing to select the best path between a source and a destination, we have included in our experiment the concept of multi-criteria which is more adapted to actual applications needs. Our proposition is fully based on the Distributed Multi Criteria Routing DMCR...
Networks-on-chips (NoC) have been introduced as a remedy for the growing problems of current interconnection VLSI chips. Being a relatively new domain in research, simulation tools for NoC are scarce. To fill the gap, we use network simulator NS-2 for simulating multi protocol label switching in NoC, especially at high level chip design. The huge library of network elements with its flexibility to...
In this paper, we discuss the difficulties Reserved Bandwidth Mechanisms for networks-on-chip by MPLS packet-forwarding technologies. Then, we compare these mechanisms in Network-On-Chip that is based on applying the well-known MPLS technology of large-scale computer networks to the on-chip environment. The NS-2 network simulator is used to evaluate the concept for a typical communications scenario...
The current Internet, while successful in many aspects, has a set of associated architectural and business problems. This article discusses problems of the Internet and presents challenges of the future Internet, with a particular focus on manageability. This paper advocates that the data, control, and management planes should be separated; this provides more granular path control selection for traffic...
A crucial aspect in the development of a fault management system is the selection of backup paths. The main issue in this selection is a tradeoff between the resource consumption and the minimization of failure recovery time, link failure, and packet loss. In this paper, a general QoS backup protection optimization policy applicable to a wide range of network situations and traffic types is proposed...
We propose a combination of Mesh topology and Bisection routing in MPLS and IP network-on-chip which can increase Communication load with quality of service which is suitable for multimedia applications. We compare the performance of 2d-Mesh architectures in the sense of on chip network design methodology. The simulations of the architectures are done with two-dimensional Mesh topologies that used...
This paper proposes an algorithm to protect a Multiprotocol Label Switching (MPLS) multicast tree from a single link failure with bounded switchover time. Existing protecting algorithms include link protection, path protection, dual tree protection, and redundant tree protection. The problems with these algorithms are that they either provide an unbounded switchover time-meaning that in the case of...
An important challenge in mobile sensor networks is to enable energy-efficient communication over a diversity of distanceYC while being robust to wireless effects caused by node mobility. In this paper, we argue that the pairing of two complementary radios with heterogeneous range characteristics enables greater range and interference diversity at lower energy cost than a single radio. We make three...
Next-Generation Networks (NGNs) employ the Internet Protocol (IP) over a wide variety of packet-switching technologies, which often lack in really effective fault resilience enabling features. An overlay MPLS infrastructure with its fast-reroute mechanisms can be deployed to overcome such an issue. Addressing NGNs robust to single link and node failures, an off-line method to effectively calculate...
Three requirements for leased-line service in a packet-transport system are determined such as service availability of 99.999%, bandwidth guarantee of 100%, and latency of 10 ms via 20 nodes. To meet these requirements, network architecture is proposed which includes the separation of control function and data-transmission function and shaping per flow at the entrance of a network. Nodes and gateways...
The rapid development of next generation Internet (NGI) and diversity applications make numerous traffic increase. After elaborating drawbacks that traditional MPLS forwarding can not process these enormous traffic, a multipath adaptive forwarding equivalence class (MAFEC) algorithm is proposed. MAFEC can transmit the same-label-traffic into multiple available LSPs (label switch path) and can avoid...
Next-generation networks (NGNs) employ the Internet protocol (IP) over a wide variety of packet-switching technologies, which often lack in fault resilience enabling features. An overlay MPLS infrastructure with its fast-reroute mechanisms can be deployed to overcome such an issue. Addressing NGNs robust to single link and node failures, an offline method to effectively calculate working and recovery...
A traffic engineered label switched path (TE-LSP) is usually deployed on an optimally computed path. In complex network scenarios, or when external nodes like path computation elements (PCEs) are solicited in a distributed manner, the already resource hungry task of optimal path computation could take a considerable amount of time during which network resources may fluctuate. This could result in...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.