scholarly journals THE INVESTIGATION AND EVALUATION MULTISERVICE NETWORK NGN/IMS FOR MULTIMEDIA TRAFFIC

2020 ◽  
Vol 6 (3) ◽  
pp. 10-13
Author(s):  
Bayram G. Ibrahimov ◽  
◽  
Mehman F. Binnatov ◽  
Yalchin S Isayev ◽  
◽  
...  
Keyword(s):  
Mathematical Model ◽  
Quality Of Service ◽  
Communication Networks ◽  
Customer Service ◽  
Network Architecture ◽  
Network Capacity ◽  
Network Efficiency ◽  
Wide Range ◽  
Triple Play

The subject of the study is multiservice communication network using the concept NGN (Next Generation Network) based on the open network architecture IMS (Internet Protocol Multimedia Subsystem), supporting a wide range services. The basis of this architecture is the IMS core, consisting of a set of specialized modules responsible for various functions for customer service. The purpose of the article is to analyze the existing technical capabilities of the IMS multimedia messaging subsystem and perspective solutions for the functioning of the NGN/IMS network efficiency in providing multimedia service. As the efficiency of the system, the capacity NGN/IMS networks is selected using the signaling system and protocols NGN. The capacity NGN/IMS networks during the establishment of a multimedia session was analyzed and the functional architecture of the IMS multimedia messaging subsystem that determine the interaction NGN signaling systems an protocols was explored. Manage the presentation Triple Play services to subscribers and simultaneously modify the media stream within the session allows the protocol for the initialization of the SIP and Diameter sessions, which are the main IMS signaling protocol. One of the important requirements for the IMS subsystem is the maintenance QoS (Quality of Service). A mathematical model for estimating the quality of communication services using a system GI/G/1/N based on the theory diffusion approximation is proposed. The research presented in this paper is very important for the theory queuing systems, since the article proposes a method for investigating multiservice communication networks with non-Poisson incoming flow and effective results are obtained for NGN/IMS networks. On the basis of the model analytical expressions are obtained, which allow evaluating the performance indicators of the Triple Play service. The proposed mathematical model can be used to solve a wide range of practical problems, including the management multiservice traffic in the process its transmission in multiservice telecommunications networks, taking into account the quality of service classes. Thus, studies NGN/IMS network capacity indicators using SIP protocols are relevant.

scholarly journals THE INVESTIGATION AND EVALUATION MULTISERVICE NETWORK NGN/IMS FOR MULTIMEDIA TRAFFIC

2020 ◽  
Vol 6 (2) ◽  
pp. 12-15
Author(s):  
Bayram G. Ibrahimov ◽  
◽  
Arif H. Hasanov ◽  
Keyword(s):  
Quality Of Service ◽  
Network Architecture ◽  
Control Function ◽  
Block Diagram ◽  
Multimedia Traffic ◽  
Operating Characteristics ◽  
Multimedia Services ◽  
Important Indicator ◽  
Triple Play

Òhe functional architecture of the subsystem picture messaging-IMS (Internet Protocol Multimedia Subsystem) for multimedia session management for multiservice NGN/IMS networks that determine the interaction systems and NGN protocols are investigated. The basic element of the IMS core network architecture are session control function CSCF (Call/Session Control Function) which is implemented on the SIP-server (Session Initiation Protocol) using the protocol. A block diagram of the functioning of the traffic service model of multimedia services in the NGN/IMS network when establishing sessions that use the network elements of the user data server HSS (Home Subscriber Server), CSCF control system core, signaling and media gateways (SGW & MGW, Signaling Gateway & Media Gateway). The characteristics of the effectiveness of the IMS and found that in the NGN / IMS multimedia services network in real time significantly alter the traffic characteristics as a service, and efficiency, which requires new models and approaches to assess the main indicators of quality of the service Triple Play. Based on the analysis of the quality NGN/IMS networks in the provision multimedia services, the mathematical model for evaluating the quality of services. This model takes into account the properties of self-similar random process with Hurst index and describes the quality of functioning of NGN/IMS architectural concept. Based on the model studied when performing voice services with the ability to activate multimedia applications, video telephony, multimedia traffic, Triple Play services. According to the study of mathematical models of NGN / IMS networks using SIP-servers analytical expressions to assess the indicators of a common set of operating characteristics of IP-based networks, which take into account the recommendations of ITU-T Y.1540 and Y.2000 and determined the average waiting time in the queue IMS system in the provision of multimedia services with the required parameters, providing a guaranteed quality of service QoS (Quality of Service). According to the latest recommendations of the ITU-T and based on SMO with queues can be defined by five network characteristics that are indicative of the effectiveness of multi-service NGN/IMS networks and an important indicator of QoS.

Service Quality in Banking with Special Reference to ICICI Bank Ltd., Tiruchirappalli District

2007 ◽  
Vol 3 (2) ◽  
pp. 18-26 ◽  
Author(s):  
R. Amudha ◽  
C. Vijaya Banu
Keyword(s):  
Quality Of Service ◽  
Customer Satisfaction ◽  
Service Quality ◽  
Service Delivery ◽  
Competitive Advantage ◽  
Customer Service ◽  
Service Industries ◽  
Wide Range ◽  
The World

As per the Economic association of Indonesia and India, India has been one of the fastest growing economies in the world since the early 90s and India is fourth largest economy of the world after US in terms of purchasing power parity. This is because of the important role played by the financial sector comprising a large number of well managed banking services both in public and private sectors. India's second largest bank is the ICICI Bank offering a wide range of financial services to its customers through its delivery channels. To attain this sustainable competitive advantage, service industries face a unique challenge of meeting the needs of the customers regularly and continuously. Though mechanized form of activity has its own impact on service delivery performance, many service industries still remain to be manual because there exits no equivalent substitute for personal interaction between the employees of service industry and customers. The optimum mix of technology and people in the service delivery process decides the competitive advantage of an organization. Customer satisfaction is taken as a yardstick for measuring the quality of service and providing excellent customer service decides the effectiveness of service delivery process. Only through excellent customer service, an organization can consistently exceed customer expectations. In order to achieve customer satisfaction, every service organization must understand and improve service delivery process and implement valid and reliable service performance measures to measure the same. To assess the degree of customer satisfaction, a SERVQUAL instrument is administered to study the quality of service and the gaps were identified in the services offered by ICICI Bank, Tiruchirapalli District in all five dimensions of service quality, the overall weighted SERVQUAL score being −1.92. The ICICI Bank Ltd. has to take steps to close the gaps by establishing a service quality information system.

scholarly journals Quality of Service Evaluation of Software Defined Internet of Things Network

2021 ◽  
Vol 20 (1) ◽  
pp. 65-75
Author(s):  
Eberechukwu Numan Paulson ◽  
Kamaludin Mohamad Yusof ◽  
Muhammad Nadzir Bin Marsono ◽  
Umar Suleiman Dauda ◽  
Fapohunda Kofoworola
Keyword(s):  
Quality Of Service ◽  
Internet Of Things ◽  
Network Architecture ◽  
Service Evaluation ◽  
Resource Provisioning ◽  
The Internet ◽  
Internet Resource ◽  
Network Efficiency ◽  
Iot Devices

With the exponential growth of the Internet of Things (IoT) devices connected to the internet, resource provisioning for such the heterogeneous network is a challenging task for the traditional network architecture. In this context, the Software-Defined Networking (SDN) introduces many opportunities and provides the potential to overcome challenges associated with traditional network architecture. This work presents a Software-Defined IoT (SDIoT) architecture. The main focus of this research is to design a control plane (CP) for the SDIoT. The scope of this work is limited to the introduction of an overlay SDN CP in the traditional IoT network architecture. The proposed architecture focuses on resource provisioning while ensuring the quality of service (QoS) satisfaction for the network. A comparative analysis between the traditional and the SDN network approach was done in terms of Jitter, Latency and Throughput. From the latency, delay and throughput performance results, the SDN-based IoT network improves network efficiency by reducing network overheads generated from frequent communication between the nodes and the controllers. Precisely, the average latency and average jitter percentile improvement from the traditional IoT network to the SDIoT for all the nodes is 574% and 600% respectively. Also, an overall throughput improvement is recorded for the SDIoT when compared to traditional IoT network for all the nodes.

Tingkat Kepuasan Nasabah Pada Bank Syariah Mandiri Cabang Bogor

2019 ◽  
Vol 4 (2) ◽  
pp. 34
Author(s):  
Priyo Wismantoro ◽  
Fika Dwiyanti
Keyword(s):  
Quality Of Service ◽  
Customer Satisfaction ◽  
Service Quality ◽  
Competitive Advantage ◽  
Customer Service ◽  
General Level ◽  
Customer Focus ◽  
Quality Improvements ◽  
Level Of Satisfaction

Business banking is a service business based on principles of trust and t5he customer is a major asset. Under conditions of business competition among banks strict bank that has resulted in only a competitive advantage (compatative advantage as well as a competitive advantage) who can reach the highest position in the eyes of cusmers or the public. Competitive advantage can be obtained from the quality of customer servicr, so the focus on customers (customer focus), responsive to the development of customer desires and continuously innovate is an acitivity that can be done to anticipate the cimpetitive conditions. In this case, the bank should always evaluate the quality of service given to customers and is reflected in the level of customer satisfaction obtained. Rate the quality of service branch of bank syariah mandiri bogor whole is still under service, because it still was below expectations, this is evident also that the general level of service is still not meeting customer expectations, because the level of hope (expectation0 the customer is generally higher than the level of performance (perfromance) or perception(perception)customer.        Empathy dimension of service quality dimensions are most critical or have any impact on the most powerful influence on the level of satisfaction. In this case, the willingness og bank syariah mandiri branch bogor provide individual attention in serving its clients is crucial. Empathy dimension attributes inclide individual attention, operational time , personal attention, giving interests, and understand the needs. These attributes is the main priority of service quality improvements are intensive and comprehensive.           Customer service strategy to be implemented by the management of bank syariah mandiri in perspective five dimensioris of service quality(tangibles, realiability,responsiveness, assurance and empathy) looks not optimal. In an effort to provide the best service (service excellence) and focus to the customer(customer focus), then the customer satisfaction can be obatained with significantly improved and the improvement of quality of serivice aspects and impticalions of the strategy need to be consldered

Simulation modeling of packet switching network segment functioning

2019 ◽  
pp. 75-82
Author(s):  
D. V. Shelkovoy ◽  
A. A. Chernikov
Keyword(s):  
Quality Of Service ◽  
Communication Networks ◽  
Simulation Modeling ◽  
Data Stream ◽  
Switching Network ◽  
Data Packets ◽  
Channel Resource ◽  
Switching Node ◽  
Joint Examination

The testing results of required channel resource mathematical estimating models for the for serving the proposed multimedia load in packet-switched communication networks are presented in the article. The assessment of the attainable level of quality of service at the level of data packet transportation was carried out by means of simulation modeling of the functioning of a switching node of a communication network. The developed modeling algorithm differs from the existing ones by taking into account the introduced delay for processing each data stream packet arriving at the switching node, depending on the size of the reserved buffer and the channel resource for its maintenance. A joint examination of the probability of packet loss and the introduced delay in the processing of data packets in the border router allows a comprehensive assessment of the quality of service «end to end», which in turn allows you to get more accurate values of the effective data transmitted rate by aggregating flows at the entrance to the transport network.

scholarly journals Optimal approach for building scheduling algorithm in satellite communication

2018 ◽  
Vol 7 (2.28) ◽  
pp. 181
Author(s):  
Ali M. Al-Saegh
Keyword(s):  
Quality Of Service ◽  
Communication Networks ◽  
Satellite Communication ◽  
Scheduling Algorithm ◽  
Satellite Communications ◽  
Satellite Networks ◽  
Communication Links ◽  
Optimal Approach ◽  
Proper Solutions

Building scheduling algorithms in satellite communication links became a necessity according to the typical problems that satellite networks suffers from, such as congestions, jamming, mobility, atmospheric impairment, and achieving the quality of service (QoS) requirements. However, building efficient algorithms needs several considerations that should be taken into account. Such as satellite and earth station node(s), link parameters and specifications, along with the service requirements and limitations. This paper presents efficient approach for accumulating the effective considerations that the designer should employ as a framework for building proper and efficient scheduling algorithm. The proposed approach provides proper solutions to the satellite communications impairments and satisfies the quality of service requirements in satellite communication networks.  

scholarly journals Quality of Service to the Regional Road Transport Service

2016 ◽  
Vol 1 (2) ◽  
pp. 216
Author(s):  
Suela E.Shpuza
Keyword(s):  
Quality Of Service ◽  
Customer Service ◽  
Performance Standards ◽  
Road Transport ◽  
Service Organizations ◽  
Transport Service ◽  
Lack Of Information ◽  
And Performance ◽  
High Level

Performance is measured and done, the quality represents a key element to achieve the performance, especially customer service quality. In response to the pressure of globalization, the market increasingly competitive and volatile market dynamics that, many organizations actively seeking ways to add value to their services and improve their quality of service. Organizations usually tend to make their operations efficient priority. This process begins with the assessment of nevojave customers, their requirements and assessing the performance of domestic human resources in organization and performance depends on the outcome of the estimated earlier. Since this process can proceed in different directions. The causes of these results may be the lack of information and support of high-level management, performance standards unclear, inaccuracies assessors, very large number of forms to be completed and the use of software for the opposite purpose.

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