• Title/Summary/Keyword: Internet Connectivity

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A Study on The Internet Connectivity in The Philippines

  • Salac, Romeo Agan;Kim, Yun Seon
    • Asia Pacific Journal of Business Review
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    • v.1 no.1
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    • pp.67-88
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    • 2016
  • This study aims to help address concerns about the growing demand of wider bandwidth Internet connection in the Philippines. Using articles and research of international organizations and content from official websites of the Philippine government, this paper has carefully examined the slow Internet connectivity and the high cost that the end-users pay for it. This paper suggests that this inefficiency hampers the motivation of users to innovate in a way that could contribute to inclusive growth and the development of an inclusive information society. Through a comparison of the current global ICT situation with the current situation in the Philippines, this paper shows that the country's Internet infrastructure lags behind among those of contemporary developing countries in Asia, particularly in terms of Internet connectivity. In 2015, Thailand had an average Internet speed of 7.4 Mbps, Sri Lanka 7.4, and Malaysia 4.3. Meanwhile, the Philippines had a meager average Internet speed of 2.8 Mbps, placing the country at 104 among 160 countries, with developed countries in Asia such as South Korea (23.6 Mbps) and Singapore (12.9 Mbps) ranking 1 and 12, respectively. Findings show that the lack of competition in the Internet connectivity market, among other reasons, is at the root of the dilemma of slow and costly Internet connection. Assessing the accomplishments of the Republic of Korea and other broadband-leading countries has provided practical insights and recommendations that can promote competitiveness. Furthermore, related literature argues how ISP practices may affect Internet speed and cost. This study offers an approach in improving Internet connectivity in the Philippines by bridging the gap between the Internet infrastructure market and government policies.

An Assessment of ICT Infrastructure, Deployment and Applications in the Science and Technology (S&T) Research Institutions in Ghana

  • Kwafoa, Paulina Nana Yaa;Entsua-Mensah, Clement
    • International Journal of Knowledge Content Development & Technology
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    • v.11 no.1
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    • pp.29-48
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    • 2021
  • The paper discusses the ICT infrastructure as far as the availability of (computers, local or wide area networks, Internet connectivity and its reliability, size of the bandwidth and its optimization, etc.) in the S&T research institution. It also examined the profile of the research scientists and looked at the type of ICT infrastructure that is available for their use as well as the reliability of the Internet connectivity within these research institutions. It looked at the broadband capacities of the research institutions and the ICT capabilities in respect of the technical and managerial support back-up that are available to the research institutions. The study used the survey research method with a questionnaire as well as personal observation to gather the data. From the data gathered, it was realized that the internet connectivity and the size of the bandwidth that the R&D institutions subscribed to differed significantly. Again, the extent to which the research scientists were able to access the internet in their respective institutions depended on the quality of the local network in place. Generally, the investments in ICT were made for different management objectives, and these were meant to facilitate the generation of new knowledge as well as make measurable improvements in R&D activities.

A Route Optimization Mechanism using an Extension Header in the IPv6 Multihoming Environment (IPv6 멀티호밍 환경에서 확장 헤더를 이용한 경로 최적화 메커니즘)

  • Huh, Ji-Young;Lee, Jae-Hwoon
    • Journal of KIISE:Information Networking
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    • v.34 no.1
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    • pp.33-40
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    • 2007
  • A multihomed enterprise or AS(Autonomous System) improves reliability and performance by acquiring its Internet connectivity from more than two ISP(Internet Service Provider). Multihoming protocol must allow a multihomed site whose connectivity through one of the ISPs fails to keep its Internet connectivity As one of mechanisms to do this, tunneling mechanism through Non-direct EBGP(Exterior Border Gateway Protocol) is defined. This mechanism makes connectivity to the Internet more reliable, but causes the problem that makes the communication route non-optimal. In this paper, we propose the route optimization mechanism using an extension header in the IPv6 multihoming environment.

ADSL POTS SPLITTER (비대칭디지털가입자회선 신호분배기)

  • 원제혁
    • Journal of the Korean Professional Engineers Association
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    • v.33 no.4
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    • pp.48-53
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    • 2000
  • To be survived and prosperous in this rigorous competition era for the nation with insufficient natural resources like us, we must create idea for additive products no matter small or large scale utilizing our knowledge. This is to show a small example of value creation in connection with ADSL(Asymmetric Digital Subscriber Line) POTS Splitter from developing to successful commercializing, which the ADSL system is booming up these days for high speed Internet connectivity.

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Load Balancing Schemes in the MANET with Multiple Internet Gateways (다중 인터넷 게이트웨이를 갖는 MANET의 부하 균등화 기법)

  • Kim, Young-Min;Lim, Yu-Jin;Yu, Hyun;Lee, Jae-Hwoon;Ahn, Sang-Hyun
    • The KIPS Transactions:PartC
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    • v.13C no.5
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    • pp.621-626
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    • 2006
  • A mobile ad hoc network (MANET) is an infrastructureless network that supports multi-hop communication. For the MANET nodes wishing to communicate with nodes in the wired Internet, the global Internet connectivity is required and this functionality can be achieved with the help of the Internet gateway. For the support of reliability and flexibility, multiple Internet gateways can be provisioned for a MANET. In this case, load-balancing becomes one of the important issues since the network performance such as the network throughput can be improved if the loads of the gateways are well-balanced. In this paper, we categorize the load-balancing mechanisms and propose a new metric for load-balancing. Simulation results show that our proposed mechanism using the hop distance and the number of routing table entries as a load-balancing metric enhances the overall network throughput.

A Study on AES-based Mutual Authentication Protocol for IoT Devices (사물인터넷 디바이스를 위한 AES 기반 상호인증 프로토콜)

  • Oh, Se-Jin;Lee, Seung-Woo
    • Journal of Industrial Convergence
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    • v.18 no.5
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    • pp.23-29
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    • 2020
  • The Internet of things (IoT) is the extension of Internet connectivity into various devices and everyday objects. Embedded with electronics, Internet connectivity and other forms of hardware. The IoT poses significant risk to the entire digital ecosystem. This is because so many of these devices are designed without a built-in security system to keep them from being hijacked by hackers. This paper proposed a mutual authentication protocol for IoT Devices using symmetric-key algorithm. The proposed protocol use symmetric key cryptographic algorithm to securely encrypt data on radio channel. In addition, the secret key used for encryption is random number of devices that improves security by using variable secret keys. The proposed protocol blocked attacker and enabled legal deives to communicate because only authenticated devices transmit data by a mutual authentication protocol. Finally, our scheme is safe for attacks such as eavesdropping attack, location tracking, replay attack, spoofing attack and denial of service attack and we confirmed the safety by attack scenario.

A Novel Architecture for Dynamic Mobile Networks with IPv6-based Multiple Network Interfaces (IPv6 기반의 다중 네트워크 인터페이스를 갖는 새로운 동적 이동형 네트워크 아키텍쳐)

  • Kim Wan-Tae
    • Journal of the Institute of Electronics Engineers of Korea TC
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    • v.43 no.8
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    • pp.25-34
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    • 2006
  • In this paper DynaMoNET is suggested as a novel IPv6-based multi-homed mobile network architecture which is composed of nested mobile ad hoc networks dynamically coming together through wireless personal area networks. Each ad hoc network has a mobile router which may work as a root mobile router instead of fixed mobile routers in a DynaMoNET. A root mobile router provides the reliable Internet connectivity for the entire mobile network. This paper includes a innovative handover protocol for multi-homed mobile networks, network switchover algorithm considering multiple decision factors, root mobile router election process based on token-based algorithm fast root mobile router discovery algorithm and fault avoidance mechanism to support reliable Internet connectivity. Finally the system architecture of a mobile router is given in detail.

An Assessment of the Multiple Challenges Associated with Student's Access to Electronic Resources at a Public University Library in Ghana

  • Armah, Nesba Yaa Anima Adzobu;Cobblah, Mac-Anthony
    • International Journal of Knowledge Content Development & Technology
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    • v.11 no.1
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    • pp.65-84
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    • 2021
  • Our understanding of how barriers to access systematically varies with the compositional and contextual characteristics of users is incomplete. Using a public university library in Ghana, this study assessed the heterogeneous barriers or constraints students encounter in accessing electronic resources based on their demographic and contextual attributes. A descriptive survey design was adopted and structured questionnaires were administered randomly to 558 students in the four constituent colleges of the University of Cape Coast, Ghana. Data were collected and analysed using SPSS and descriptive statistics were generated. The results revealed that students faced six key challenges in accessing electronic information resources in the library namely delays in download of information, poor internet connectivity, and limited accessibility of university portal, inadequate computers in the library, poor lighting and limited ancillary services (on the spot printing facilities), with differences based on gender, academic level, and college affiliation. Only 24% males and 26% females had no challenges or problems with delays in download of electronic information. About three-fourth of all users had poor internet connectivity and complained about inadequate computers associated with accessing electronic resources. 40% percent of undergraduate students in the Colleges of Education Studies, Agriculture and Natural Sciences, and Humanities and Legal Studies each encountered four to six simultaneous challenges. Irrespective of gender, first year undergraduate students in all the four colleges were the least likely to report multiple challenges. This suggests the need for targeted and context-specific interventions to address the identified challenges.

A Work-related Musculoskeletal Disorder Risk Assessment Platform using Smart Sensor (스마트센서를 활용한 근골격계 질환 위험 평가 플랫폼)

  • Loh, Byoung Gook
    • Journal of the Korean Society of Safety
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    • v.30 no.3
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    • pp.93-99
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    • 2015
  • Economic burden of work-related musculoskeletal disorder(WMDs) is increasing. Known causes of WMDs include improper posture, repetition, load, and temperature of workplace. Among them, improper postures play an important role. A smart sensor called SensorTag is employed to estimate the trunk postures including flexion-extension, lateral bend, and the trunk rotational speeds. Measuring gravitational acceleration vector in the smart sensor along the tri-orthogonal axes offers an orientation of the object with the smart sensor attached to. The smart sensor is light in weight and has small form factor, making it an ideal wearable sensor for body posture measurement. Measured data from the smart senor is wirelessly transferred for analysis to a smartphone which has enough computing power, data storage and internet-connectivity, removing need for additional hardware for data post-processing. Based on the estimated body postures, WMDs risks can be conviently gauged by using existing WMDs risk assesment methods such as OWAS, RULA, REBA, etc.

A Tree-Based Approach for the Internet Connectivity of Mobile Ad Hoc Networks

  • Oh, Ro-An
    • Journal of Communications and Networks
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    • v.11 no.3
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    • pp.261-270
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    • 2009
  • We propose a tree-based integration of infrastructure networks and MANETs (TUM) to efficiently extend the scope of mobile Internet protocol to mobile ad hoc networks and devise a tree-based routing protocol (TBRP) that is suitable for the TUM architecture. Infrastructure networks have a number of fixed Internet Gateways that connect two heterogeneous networks. Mobile nodes form a number of small trees named pMANETs, each of them growing from anchor node which can communicate directly with an Internet Gateway. A new node registers with foreign agent and home agent along the tree path without resorting to an inefficient flooding. Furthermore, the TBRP sets up a routing path efficiently by exploiting the tree information without relying on flooding. We show by resorting to simulation that our approach is competitive against the conventional AODV based approach.