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The theory of a future Internet network which achieves essentially-perfect QoS guarantees for all QoS-enabled traffic flows for all loads ≤ 100% of capacity has recently been established. A scheduling algorithm with a bounded normalized service lead/lag (NSLL) is used to schedule traffic flows within the routers. An 'Application-Specific Token-Buffer Traffic Shaper' is used at the traffic sources,...
The multimedia enriched transport supported by the Internet today continues to pose a challenge to engineers who attempt to provide QoS for its users. The popular method of using Diffserv solutions is typically too static to meet the mixed user traffic model. This paper introduces a novel user-centric approach of dynamically evaluating and policing incoming Internet flows to control the ratio of traffic...
Multi-granular traffic is considered as the traffic generated by the high variety of applications supported by future Internet. Hybrid interconnection is a viable way to achieve the high throughput and flexibility required in the optical nodes with available optical and electronic technology. The task of finding a way to efficiently match these two key aspects is a challenge for possible short term...
We present a State Estimation based Internet traffic flow control system where the objective is to maximize the aggregate bandwidth utility of network sources over their transmission rates. The network links and sources are viewed as processors of distributed computation and the control mechanism is based on estimation and optimization framework to solve the dual problem. The novelty of our approach...
A home Internet gateway is the node that resides between a public network and a home network for computers to share Internet connections. To insert customized queuing and scheduling codes into the embedded Linux kernel is a way to make the Linux-based home Internet gateways support Quality of Service(QoS). It is desirable that the small Linux kernel adopts an efficient queuing and scheduling algorithm...
This paper investigates the performance of exponential/proportional fair (EXP/PF) and maximum-largest weighted delay first (M-LWDF) scheduling algorithms in the third generation partnership project long term evolution (3GPP LTE) providing packet-switched multimedia services. It, then, identifies a suitable packet scheduling algorithm on a basis of their performance evaluation. The performance evaluation...
The interest in solving the issue of congestion or flow control in network established from the first discovery and increase popularity of the Internet in 1967 or earlier. As the use of the network deployed and the popularity increase, the issue grows and the demand for an optimal or tentative solution becomes obvious. Since that time there has been an intensive effort from the scholars and researchers...
Motivated by the quality-of-service (QoS) buffer management problem, we consider online scheduling of packets with hard deadlines in a finite capacity queue. At any time, a queue can store at most b isin Z+ packets. Packets arrive over time. Each packet is associated with a non-negative value and an integer deadline. In each time step, only one packet is allowed to be sent. Our objective is to maximize...
Multihop wireless mesh networks (WMNs) are considered a promising technology to backhaul heterogeneous data traffic from wireless access networks to the wired Internet. WMNs are expected to support various types of applications with diverse quality of service (QoS) requirements, such as end-to-end packet delay, throughput, and packet-error-rate (PER). Recent works in this area are mainly concentrated...
Due to the rapid growth of the Internet and other IP services, there has been a change in the design of recent generation wireless systems to support a variety of data applications from non-real time background traffic to real time streaming video. This has placed an enormous strain on the already tight capacity of wireless systems. Many improvements have been made at the link layer to facilitate...
Third generation (3G) and the Internet are identified as the main drivers for the future generation mobile telecommunication market. Several concerns arise when Internet protocol (IP) transport is introduced. Applications such as streaming and packet telephony will cause network congestion. This will affect the quality of service (QoS) of voice communication. This paper discusses the QoS and the parameters...
As the Internet grows in size and bandwidth, a variety of real time applications such as voice over IP (VoIP) and video conferences require low latency, bandwidth guarantee and delay bounded service constraints. Because current Internet provides only offer best effort services, packet scheduling algorithms supporting quality of service (QoS) requirements play an important part in switches and routers...
Telerobotic control systems can tolerate a fixed delay in the control loop, but are highly sensitive to delay jitter. Before such systems can be widely deployed over the Internet, packet switching techniques which ensure a high 'Quality of Service' (QoS) and low delay jitter will be required. It is shown that guaranteed-rate traffic flows can be delivered over the Internet backbone with very low delay...
Providing quality of service in the Internet is a complex and multilevel problem involving heterogeneous media, protocols and technologies. The ability to differentiate traffic will allow introducing QoS oriented business relationships and pricing models, supported by the establishment of service level agreements (SLAs.) Recent developments within the research community and within commercial products...
The latest tremendous growth of the Internet has opened up a vast market for high-speed broadband data services to the home. Broadband network services have created great opportunities for new multimedia applications at both home and businesses. Data over cable service interface specification (DOCSIS) is the leading standard for data over cable networks. DOCSIS is developed to support IP flows with...
The packet switched data network like Internet, which has traditionally supported throughput sensitive applications such as email and file transfer, is increasingly supporting delay-sensitive multimedia applications such as interactive video. These delay-sensitive applications would often rather sacrifice some throughput for lower delay. Unfortunately, the current packet switched network does not...
Since the Internet is developing rapidly in size and in complexity as well, it is very hard to adjust quality of service (QoS) parameters. In order to guarantee service quality, efficient resource reservation is needed. The allocation of resources requires a dynamic reconfiguration mechanism that configures a switch, taking into account the incoming traffic fluctuations. This paper presents a new...
Since the Internet is developing rapidly in size and in complexity as well, it is very hard to adjust quality of service (QoS) parameters. In order to guarantee service quality, efficient resource reservation is needed. The allocation of resources requires a dynamic reconfiguration mechanism that configures a switch, taking into account the incoming traffic fluctuations. This paper presents a new...
Controlled vehicular Internet access protocol with QoS (CVIA-QoS) is a cross-layer solution for vehicular multihop networks spanning MAC and routing functions with infrastructure support. CVIA-QoS employs fixed gateways along the road which perform periodic admission control and scheduling decisions for the packet traffic in their service area. The CVIA-QoS protocol is based on CVIA protocol that...
The following topics are dealt with: ad-hoc networks; multicast and scheduling; traffic engineering; performance evaluation; network security; optical networks; transport layer; sensor networks; Web applications; security management; network survivability; industry track; QoS in heterogenous wireless networks; workshop on multimedia systems and networking
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