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Chapter and Conference Paper
Hierarchical Structure and Placement of MC Node in Optical WDM Network
Optical splitters decrease the links cost and the wavelengths number in the network. We address the efficient placement of splitters to minimize the global cost of links of a multicast session. We use the hier...
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Article
Routing Protocol Based on Neighbor Interference Level for Mobile Wireless Networks
The mobile ad hoc network is a type of wireless network characterized by mobile nodes without a centralized administration. Frequent variations of the topology and the nature of the radio links have a negative...
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Chapter and Conference Paper
ESMRsc: Energy Aware and Stable Multipath Routing Protocol for Ad Hoc Networks in Smart City
The mobile ad hoc wireless networks are characterized by the absence of central administration and any network element may be very mobile. There is no fixe element within an ad hoc network. In fact, within the...
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Article
Performance evaluation of TcpHas: TCP for HTTP adaptive streaming
HTTP adaptive streaming (HAS) is a widely used video streaming technology that suffers from a degradation of user’s Quality of Experience (QoE) and network’s Quality of Service (QoS) when many HAS players are ...
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Article
Open AccessCombining traffic-sha** methods with congestion control variants for HTTP adaptive streaming
HTTP Adaptive Streaming (HAS) is a streaming video technique widely used over the Internet. However, it has many drawbacks that degrade its user Quality of Experience (QoE). Our investigation involves several...
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Article
Radio Access Network Sharing in 5G: Strategies and Benefits
In a shared radio access network, a user can be served through the network of his home operator or the network of another service operator in the sharing system. Consequently, when the home operator is unable ...
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Article
Survey of ICIC techniques in LTE networks under various mobile environment parameters
LTE networks’ main challenge is to efficiently use the available spectrum, and to provide satisfying quality of service for mobile users. However, using the same bandwidth among adjacent cells leads to occurre...
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Article
A Hybrid Approach for Radio Access Technology Selection in Heterogeneous Wireless Networks
In heterogeneous wireless networks, different radio access technologies are integrated and may be jointly managed. To optimize network performance and capacity, efficient common radio resource management (CRR...
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Article
A Hybrid End-to-End QoS Path Computation Algorithm for PCE-Based Multi-Domain Networks
Inter-domain quality of service (QoS) routing is a challenging problem for today’s Internet. This problem requires the computation of paths that cross multiple domains and meet different QoS constraints. In ad...
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Article
Open AccessA multipath energy-conserving routing protocol for wireless ad hoc networks lifetime improvement
Ad hoc networks are wireless mobile networks that can operate without infrastructure and without centralized network management. Traditional techniques of routing are not well adapted. Indeed, their lack of re...
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Article
Open AccessApplying p-cycle protection for a reliable IPTV service in IP-over-DWDM networks
Today, television over Internet protocol (IPTV) has become very popular and service providers must deal with the rapid growth in the number of IPTV customers. Service providers must ensure the reliability of I...
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Article
Application-aware protection in DWDM optical networks
Fast recovery time and reduced resource utilization are the two main criteria for determining the quality of survivability mechanism. Now, it is well known that link-based protection and path-based protection ...
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Article
All-optical multipoint-to-point routing in WDM mesh networks
In this article, the routing and wavelength assignment (RWA) problem for supporting multipoint-to-point communications in all-optical WDM mesh networks is investigated. Two efficient algorithms, namely reverse...
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Chapter and Conference Paper
Hybrid Inter-Domain QoS Routing with Crankback Mechanisms
In this paper we tackle the challenging problem of Quality of Service (QoS) routing in multiple domains. We propose a novel inter-domain QoS routing algorithm named HID-MCP. HID-MCP benefits from two major con...
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Article
Hypo-Steiner heuristic for multicast routing in all-optical WDM mesh networks
In sparse light splitting all-optical WDM networks, the more destinations a light-tree can accommodate, the fewer light-trees and wavelengths a multicast session will require. In this article, a Hypo-Steiner l...
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Article
Survivability in multi-domain optical networks using p-cycles
Survivability is becoming an important issue in optical networks due to the huge bandwidth offered by optical technology. Many works have studied network survivability. The majority of these works are destined...
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Chapter and Conference Paper
Cost Bounds of Multicast Light-Trees in WDM Networks
The construction of light-trees is one principal subproblem for multicast routing in sparse splitting Wavelength Division Multiplexing (WDM) networks. Due to the light splitting constraint and the absence of w...
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Article
Avoidance of multicast incapable branching nodes for multicast routing in WDM networks
In this article we study the multicast routing problem in all-optical WDM networks under the spare light splitting constraint. To implement a multicast session, several light-trees may have to be used due to t...
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Chapter and Conference Paper
Backup Path Classification Based on Failure Risks for Efficient Backup Path Computation
We propose a new approach exploiting the failure risk (node, link or Shared Risk Link Group) structures to enhance the backup path computation. Upon failure, our approach classifies the backup paths into two c...
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Chapter and Conference Paper
Distributed PLR-Based Backup Path Computation in MPLS Networks
In this article, we provide mechanisms enabling the backup path computation to be performed on-line and locally by the Points of Local Repair (PLRs), in the context of the MPLS-TE fast reroute. To achieve a hi...
