This document provides a proof of concept for a data communication and computer network design for a global organization. It includes high-level diagrams depicting connections between data centers, data recovery centers, and branches of various sizes. It also provides details on the networking components used, including routers, firewalls, switches, servers and internet service providers. The goal is to design a cost-effective and secure way for the organization to communicate between its branches globally.
This white paper discusses an integrated security solution from Juniper Networks for virtualized data centers and cloud environments. It addresses the security challenges of virtualized workloads, which lose visibility from traditional physical firewalls. The solution includes Juniper's SRX Series services gateways to protect physical workloads and a virtual gateway (vGW) to protect virtualized workloads. It provides integrated zone enforcement between the physical and virtual firewalls to consistently enforce security policies across physical and virtual systems.
The document provides an overview of Sun's Reference Architecture for Oracle 11g Grid. It aims to help organizations deploy reliable, high-performance database solutions within constrained budgets. The reference architecture balances cost, performance and availability using validated configurations of Sun and Oracle products. It includes failover mechanisms and redundancy to eliminate single points of failure. By implementing this flexible, scalable solution, customers can help reduce costs over the lifecycle.
This document provides an overview and instructions for using the EMC Documentum Records Client Version 6.7 SP2. It discusses key capabilities like work orders, auditing, reporting, and using Retention Policy Services. Retention Policy Services allows administrators to create retention policies that specify lifecycles and disposition of records over time. The document provides guidance on configuring settings and options for Records and Retention Policy Services.
This document provides an introduction to data communication and networking. It discusses analog and digital data, data communication, data flow including simplex, half-duplex and full-duplex, and modems. It also covers local area networks, metropolitan area networks, wide area networks, network topologies including linear bus, star, tree and others. Finally, it discusses the OSI model and considerations for data communication networks including performance, consistency, reliability and recovery.
The document discusses different network topologies and transmission modes. It includes figures illustrating point-to-point, multipoint, mesh, star, tree, bus, ring and hybrid network topologies. Transmission modes such as simplex, half-duplex, and full-duplex are also examined.
The document discusses different network topologies and transmission modes. It includes figures illustrating point-to-point, multipoint, mesh, star, tree, bus, ring and hybrid network topologies. Transmission modes such as simplex, half-duplex, and full-duplex are also examined.
This document provides an overview of data communication and computer networks. It defines data communication as the transfer of data between devices via transmission mediums. It describes the basic components of communication including messages, senders, receivers, mediums, and protocols. The document also discusses network topologies like star, bus, ring and hybrid configurations. It categorizes networks into local area networks (LANs), wide area networks (WANs), and metropolitan area networks (MANs). Finally, it defines internetworks as two or more connected networks, with the largest example being the Internet.
This document provides an overview of data communication and networks. It defines what a network is and discusses the need for networking. It also covers transmission media, common network topologies, network devices, IP addressing, servers, and how data travels between networked computers. The key topics presented include defining networks as connected computers that allow resource sharing and fast communication, describing common transmission media like cables and wireless signals, outlining network topologies like star, bus and ring configurations, and explaining how IP addresses and servers help manage data transmission between systems on a network.
This white paper discusses an integrated security solution from Juniper Networks for virtualized data centers and cloud environments. It addresses the security challenges of virtualized workloads, which lose visibility from traditional physical firewalls. The solution includes Juniper's SRX Series services gateways to protect physical workloads and a virtual gateway (vGW) to protect virtualized workloads. It provides integrated zone enforcement between the physical and virtual firewalls to consistently enforce security policies across physical and virtual systems.
The document provides an overview of Sun's Reference Architecture for Oracle 11g Grid. It aims to help organizations deploy reliable, high-performance database solutions within constrained budgets. The reference architecture balances cost, performance and availability using validated configurations of Sun and Oracle products. It includes failover mechanisms and redundancy to eliminate single points of failure. By implementing this flexible, scalable solution, customers can help reduce costs over the lifecycle.
This document provides an overview and instructions for using the EMC Documentum Records Client Version 6.7 SP2. It discusses key capabilities like work orders, auditing, reporting, and using Retention Policy Services. Retention Policy Services allows administrators to create retention policies that specify lifecycles and disposition of records over time. The document provides guidance on configuring settings and options for Records and Retention Policy Services.
This document provides an introduction to data communication and networking. It discusses analog and digital data, data communication, data flow including simplex, half-duplex and full-duplex, and modems. It also covers local area networks, metropolitan area networks, wide area networks, network topologies including linear bus, star, tree and others. Finally, it discusses the OSI model and considerations for data communication networks including performance, consistency, reliability and recovery.
The document discusses different network topologies and transmission modes. It includes figures illustrating point-to-point, multipoint, mesh, star, tree, bus, ring and hybrid network topologies. Transmission modes such as simplex, half-duplex, and full-duplex are also examined.
The document discusses different network topologies and transmission modes. It includes figures illustrating point-to-point, multipoint, mesh, star, tree, bus, ring and hybrid network topologies. Transmission modes such as simplex, half-duplex, and full-duplex are also examined.
This document provides an overview of data communication and computer networks. It defines data communication as the transfer of data between devices via transmission mediums. It describes the basic components of communication including messages, senders, receivers, mediums, and protocols. The document also discusses network topologies like star, bus, ring and hybrid configurations. It categorizes networks into local area networks (LANs), wide area networks (WANs), and metropolitan area networks (MANs). Finally, it defines internetworks as two or more connected networks, with the largest example being the Internet.
This document provides an overview of data communication and networks. It defines what a network is and discusses the need for networking. It also covers transmission media, common network topologies, network devices, IP addressing, servers, and how data travels between networked computers. The key topics presented include defining networks as connected computers that allow resource sharing and fast communication, describing common transmission media like cables and wireless signals, outlining network topologies like star, bus and ring configurations, and explaining how IP addresses and servers help manage data transmission between systems on a network.
The document discusses different types of transmission media, including guided (wired) media like twisted pair cable, coaxial cable, and fiber optic cable, as well as unguided (wireless) media like Bluetooth, Wi-Fi, satellite microwave, and infrared. It provides details on each type of media such as its components, uses, advantages, limitations, and data transmission capabilities.
Course 102: Lecture 20: Networking In Linux (Basic Concepts) Ahmed El-Arabawy
Linux networking concepts allow machines to connect and communicate over a network. This includes identifying interfaces, IP addresses, subnet masks, default gateways, DNS servers, and network protocols like ARP and NAT. Networking is essential for tasks like accessing the internet, copying files remotely, and debugging embedded systems that typically lack local interfaces. Core networking commands like ifconfig, route, arp, and resolv.conf are used to configure and view network settings and operations.
A data communication system may collect data from remote locations through data transmission circuits, and then outputs processed results to remote locations. Figure provides a broader view of data communication networks. The different data communication techniques which are presently in widespread use evolved gradually either to improve the data communication techniques already existing or to replace the same with better options and features. Then, there are data communication jargons to contend with such as baud rate, modems, routers, LAN, WAN, TCP/IP, ISDN, during the selection of communication systems. Hence, it becomes necessary to review and understand these terms and gradual development of data communication methods.
The document provides answers to questions about computer networks. It defines a computer network as a collection of autonomous computers interconnected by a single technology that allows them to exchange information. It discusses different network topologies including bus, ring, star, tree, mesh, and hybrid and their advantages and disadvantages. It describes applications of computer networks like information access, communication, and entertainment. It explains the OSI 7-layer model and describes the functions and protocols of each layer. It defines local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs) and provides examples of each.
This document presents information on linear filtering and its use for image enhancement. It discusses using the fspecial and imfilter commands in MATLAB to apply various 2D filters to images, including median filters and filters for blurring, sharpening, and approximating camera motion. Examples are provided to demonstrate applying motion blurring, blurring, sharpening, and noise reduction filters to images. The objectives are to use 2D median filtering and filter multidimensional images.
Managing effective communication network in organisation through diplomacyAquatix Pharma
This document discusses effective communication in organizations. It covers various topics related to communication including what communication is, the stages of communication evolution, the importance of good communication, the communication process, the role of perception, dangers of ineffective communication, and different communication media. The document aims to teach managers how to effectively manage communication networks and develop strong communication skills.
Introduction to Networks & Networking Conceptszaisahil
The document provides an overview of computer networks and networking concepts. It defines what a computer network is, discusses the key components of networks including hardware, software, media and design. It also covers different types of networks like LANs, WANs and MANs. The document discusses peer-to-peer and client-server network models and the roles of clients, servers and network services. It provides examples of specialized servers like file servers, mail servers and web servers. Finally, it discusses factors to consider when selecting the right type of network.
This document provides an overview of a digital image processing lecture given by Dr. Moe Moe Myint at Technological University in Kyaukse, Myanmar. It includes information about the instructor's contact information and office hours. The document then summarizes the contents of Chapter 2, which covers topics like visual perception, light and the electromagnetic spectrum, image sensing and acquisition, and basic relationships between pixels. Examples and diagrams are provided to illustrate concepts like the structure of the human eye, image formation, brightness adaptation, and the electromagnetic spectrum. Optical illusions are also discussed as examples of how visual perception does not always match physical stimuli.
The document discusses various image enhancement techniques in the spatial domain. It covers basic gray level transformations like negatives, log transformations, and power law transformations. It also discusses histogram processing and enhancement using arithmetic operations. Furthermore, it explains smoothing and sharpening spatial filters, and how to combine different spatial enhancement methods. The document provides examples and background on these fundamental image enhancement concepts.
This document provides an overview of data communications and computer networks. It discusses the need for computer communication over distances, defines data communication, and describes the key components and characteristics of data communication systems. It also covers various data representation methods, transmission media, network topologies, categories of networks including LANs, MANs and WANs, and the importance of protocols and standards in networking.
The document discusses network communication protocols. It describes how protocols establish rules for communication and are organized into protocol suites like TCP/IP. TCP/IP is the most common suite, using IP for addressing, TCP and UDP for transport, and protocols like HTTP, FTP, and SMTP for applications. The document also covers IP addressing fundamentals like classes, subnetting, CIDR, and IPv6.
This document provides information about a digital image processing lecture given by Dr. Moe Moe Myint from Technological University in Kyaukse, Myanmar. It includes the lecture schedule and contact information for Dr. Myint. The document also provides an overview of Chapter 2 which discusses elements of visual perception, light and the electromagnetic spectrum, image sensing and acquisition, image sampling and quantization, and basic relationships between pixels. It provides examples of different types of digital images including intensity, RGB, binary, and index images. It also discusses the effects of spatial and intensity level resolution on images.
Computer networks allow interconnected computers and devices to share information and resources. They transmit digital data through physical transmission mediums like cables or wirelessly. Protocols define communication standards to minimize errors. Popular uses of networks include e-business, online education, and remote communication, which have benefited society through increased access and lower costs.
This document provides an overview of digital image processing and human vision. It discusses the key stages of digital image processing including image acquisition, enhancement, restoration, morphological processing, segmentation, representation and description, object recognition, and compression. It also covers the anatomy of the human eye, photoreceptors, color perception, image formation in the eye, brightness adaptation, and the Weber ratio relating the just noticeable difference in light intensity to background intensity. The document uses images and diagrams from the textbook "Digital Image Processing" to illustrate concepts in digital images and the human visual system.
Lecture 1 for Digital Image Processing (2nd Edition)Moe Moe Myint
-What is Digital Image Processing?
-The Origins of Digital Image Processing
-Examples of Fields that Use Digital Image Processing
-Fundamentals Steps in Digital Image Processing
-Components of an Image Processing System
Computer Network Notes (Handwritten) UNIT 2NANDINI SHARMA
Data link layer: flow control, error control, line discipline, stop and wait, sliding window protocol, stop and wait arq, sliding window arq, BSC, HDLC, bit stuffing, elemenary data link protocol etc
The document discusses IP addressing and subnetting concepts. It defines IP addressing rules including IP address format and classes, default subnet masks for each class, valid and invalid IP addresses. It explains that each network interface card is assigned an IP address by the network administrator, and also has a unique MAC address. IP addresses are divided into classes A, B, C and D based on the value of the leftmost byte, with each class supporting a different maximum number of hosts per network.
Vmware nsx network virtualization platform white paperCloudSyntrix
Cloudsyntrix engineering team has been deploying vmware vcloud extend your data center, VMware vSphere Hypervisor 5.1 services securely extend your data center and applications to the cloud.
VMware’s Software Defined Data Center (SDDC) vision leverages core data center virtualization technologies to transform data center economics and business agility through automation and non-disruptive deployment that embraces and extends existing compute, network and storage infrastructure investments. Enterprise data centers are already realizing the tremendous benefits of server and storage virtualization solutions to consolidate and repurpose infrastructure resources, reduce operational complexity and dynamically align and scale their application infrastructure in response to business priorities.
The document discusses different types of transmission media, including guided (wired) media like twisted pair cable, coaxial cable, and fiber optic cable, as well as unguided (wireless) media like Bluetooth, Wi-Fi, satellite microwave, and infrared. It provides details on each type of media such as its components, uses, advantages, limitations, and data transmission capabilities.
Course 102: Lecture 20: Networking In Linux (Basic Concepts) Ahmed El-Arabawy
Linux networking concepts allow machines to connect and communicate over a network. This includes identifying interfaces, IP addresses, subnet masks, default gateways, DNS servers, and network protocols like ARP and NAT. Networking is essential for tasks like accessing the internet, copying files remotely, and debugging embedded systems that typically lack local interfaces. Core networking commands like ifconfig, route, arp, and resolv.conf are used to configure and view network settings and operations.
A data communication system may collect data from remote locations through data transmission circuits, and then outputs processed results to remote locations. Figure provides a broader view of data communication networks. The different data communication techniques which are presently in widespread use evolved gradually either to improve the data communication techniques already existing or to replace the same with better options and features. Then, there are data communication jargons to contend with such as baud rate, modems, routers, LAN, WAN, TCP/IP, ISDN, during the selection of communication systems. Hence, it becomes necessary to review and understand these terms and gradual development of data communication methods.
The document provides answers to questions about computer networks. It defines a computer network as a collection of autonomous computers interconnected by a single technology that allows them to exchange information. It discusses different network topologies including bus, ring, star, tree, mesh, and hybrid and their advantages and disadvantages. It describes applications of computer networks like information access, communication, and entertainment. It explains the OSI 7-layer model and describes the functions and protocols of each layer. It defines local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs) and provides examples of each.
This document presents information on linear filtering and its use for image enhancement. It discusses using the fspecial and imfilter commands in MATLAB to apply various 2D filters to images, including median filters and filters for blurring, sharpening, and approximating camera motion. Examples are provided to demonstrate applying motion blurring, blurring, sharpening, and noise reduction filters to images. The objectives are to use 2D median filtering and filter multidimensional images.
Managing effective communication network in organisation through diplomacyAquatix Pharma
This document discusses effective communication in organizations. It covers various topics related to communication including what communication is, the stages of communication evolution, the importance of good communication, the communication process, the role of perception, dangers of ineffective communication, and different communication media. The document aims to teach managers how to effectively manage communication networks and develop strong communication skills.
Introduction to Networks & Networking Conceptszaisahil
The document provides an overview of computer networks and networking concepts. It defines what a computer network is, discusses the key components of networks including hardware, software, media and design. It also covers different types of networks like LANs, WANs and MANs. The document discusses peer-to-peer and client-server network models and the roles of clients, servers and network services. It provides examples of specialized servers like file servers, mail servers and web servers. Finally, it discusses factors to consider when selecting the right type of network.
This document provides an overview of a digital image processing lecture given by Dr. Moe Moe Myint at Technological University in Kyaukse, Myanmar. It includes information about the instructor's contact information and office hours. The document then summarizes the contents of Chapter 2, which covers topics like visual perception, light and the electromagnetic spectrum, image sensing and acquisition, and basic relationships between pixels. Examples and diagrams are provided to illustrate concepts like the structure of the human eye, image formation, brightness adaptation, and the electromagnetic spectrum. Optical illusions are also discussed as examples of how visual perception does not always match physical stimuli.
The document discusses various image enhancement techniques in the spatial domain. It covers basic gray level transformations like negatives, log transformations, and power law transformations. It also discusses histogram processing and enhancement using arithmetic operations. Furthermore, it explains smoothing and sharpening spatial filters, and how to combine different spatial enhancement methods. The document provides examples and background on these fundamental image enhancement concepts.
This document provides an overview of data communications and computer networks. It discusses the need for computer communication over distances, defines data communication, and describes the key components and characteristics of data communication systems. It also covers various data representation methods, transmission media, network topologies, categories of networks including LANs, MANs and WANs, and the importance of protocols and standards in networking.
The document discusses network communication protocols. It describes how protocols establish rules for communication and are organized into protocol suites like TCP/IP. TCP/IP is the most common suite, using IP for addressing, TCP and UDP for transport, and protocols like HTTP, FTP, and SMTP for applications. The document also covers IP addressing fundamentals like classes, subnetting, CIDR, and IPv6.
This document provides information about a digital image processing lecture given by Dr. Moe Moe Myint from Technological University in Kyaukse, Myanmar. It includes the lecture schedule and contact information for Dr. Myint. The document also provides an overview of Chapter 2 which discusses elements of visual perception, light and the electromagnetic spectrum, image sensing and acquisition, image sampling and quantization, and basic relationships between pixels. It provides examples of different types of digital images including intensity, RGB, binary, and index images. It also discusses the effects of spatial and intensity level resolution on images.
Computer networks allow interconnected computers and devices to share information and resources. They transmit digital data through physical transmission mediums like cables or wirelessly. Protocols define communication standards to minimize errors. Popular uses of networks include e-business, online education, and remote communication, which have benefited society through increased access and lower costs.
This document provides an overview of digital image processing and human vision. It discusses the key stages of digital image processing including image acquisition, enhancement, restoration, morphological processing, segmentation, representation and description, object recognition, and compression. It also covers the anatomy of the human eye, photoreceptors, color perception, image formation in the eye, brightness adaptation, and the Weber ratio relating the just noticeable difference in light intensity to background intensity. The document uses images and diagrams from the textbook "Digital Image Processing" to illustrate concepts in digital images and the human visual system.
Lecture 1 for Digital Image Processing (2nd Edition)Moe Moe Myint
-What is Digital Image Processing?
-The Origins of Digital Image Processing
-Examples of Fields that Use Digital Image Processing
-Fundamentals Steps in Digital Image Processing
-Components of an Image Processing System
Computer Network Notes (Handwritten) UNIT 2NANDINI SHARMA
Data link layer: flow control, error control, line discipline, stop and wait, sliding window protocol, stop and wait arq, sliding window arq, BSC, HDLC, bit stuffing, elemenary data link protocol etc
The document discusses IP addressing and subnetting concepts. It defines IP addressing rules including IP address format and classes, default subnet masks for each class, valid and invalid IP addresses. It explains that each network interface card is assigned an IP address by the network administrator, and also has a unique MAC address. IP addresses are divided into classes A, B, C and D based on the value of the leftmost byte, with each class supporting a different maximum number of hosts per network.
Vmware nsx network virtualization platform white paperCloudSyntrix
Cloudsyntrix engineering team has been deploying vmware vcloud extend your data center, VMware vSphere Hypervisor 5.1 services securely extend your data center and applications to the cloud.
VMware’s Software Defined Data Center (SDDC) vision leverages core data center virtualization technologies to transform data center economics and business agility through automation and non-disruptive deployment that embraces and extends existing compute, network and storage infrastructure investments. Enterprise data centers are already realizing the tremendous benefits of server and storage virtualization solutions to consolidate and repurpose infrastructure resources, reduce operational complexity and dynamically align and scale their application infrastructure in response to business priorities.
This technical white paper discusses VMware's NSX network virtualization platform. It begins by stating that while server and storage virtualization have provided benefits, networking has not modernized in the same way and remains a barrier to realizing the full potential of virtualization. It then describes how NSX aims to virtualize the network in the same way VMware virtualized servers, allowing virtual networks to be programmatically created and managed without reconfiguring physical network devices. This transforms network operations by greatly simplifying provisioning and management tasks.
This white paper discusses the need for differentiated architectures in today's data centers. It outlines Juniper's vision of evolving data centers to a simplified, cloud-ready state. This involves consolidating resources, simplifying networks through a 3-2-1 architecture, and making networks more scalable and efficient for modern applications through techniques like Virtual Chassis technology and a unified fabric. The paper contrasts needs for cost-effective IT data centers versus high-performance production data centers.
This document discusses setting up a network solution for a small business with 15 users. It recommends using both a wired and wireless network. A wired network provides better control, security, reliability and speed, while a wireless network allows mobility and brings your own device flexibility. A mixed wired and wireless environment can satisfy both mobile and stationary users while maintaining security and management benefits. It then discusses the key components needed like routers, network interface cards, and cables, as well as network operating systems and the 7-layer OSI model for network communication.
The document proposes establishing a local area network (LAN) for the Advanced Technical Institute (ATI) to facilitate resource sharing across its six buildings. It outlines installing ethernet cabling and fiber optic infrastructure to connect the buildings and purchase networking equipment like switches, servers racks and media converters. An implementation plan and budget of approximately $188,000 is presented to achieve the objectives of high reliability, security, cost savings and internet access across all buildings on the ATI campus through the LAN. References for pricing the various networking components are also provided.
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
The document provides a seminar report on cloud storage. It discusses the evolution of cloud computing, cloud architecture including delivery and deployment models, and security challenges in cloud computing. Specifically, it outlines key security concerns around outsourcing data and computations to the cloud including loss of control, privacy violations, and ensuring only authorized access. The report was prepared by a student for their BTech degree and approved by their college.
The NEC DX1000 MicroServer Chassis is an ultra-dense multi-server platform that offers scale-up and scale-out capabilities, but with a power profile comparable to modern single 2U servers. With enterprise-class features such as redundant switching, high bandwidth, and low-latency connections for up to 46 multi-core server nodes – each with 32 GB of RAM and onboard SSD storage, the NEC DX1000 can be easily leveraged to meet your private cloud provisioning needs.
This white paper discusses an integrated security solution from Juniper Networks for virtualized data centers and clouds. It addresses the security challenges introduced by virtualized workloads, which physical firewalls have limited visibility into. The solution includes Juniper's SRX firewalls to protect physical workloads and segment traffic, and Firefly Host virtual firewalls to protect virtualized workloads within hypervisors and enforce the same security policies. This provides consistent security across physical and virtual environments as organizations adopt cloud computing.
This white paper discusses the challenges facing mobile data centers and a vision for next-generation architectures. Traditional data centers face issues including: too many network layers leading to complexity, lack of visibility and security, and limitations of centralized designs. The paper proposes that virtualization, MPLS, Juniper's Junos software, and product lines like MX routers and SRX gateways can help create scalable, efficient data centers that address these challenges and enable new mobile services.
Cloud computing grew out of the concept of utility computing. Essentially, utility computing was the belief that computing resources and hardware would become a commodity to the point that companies would purchase computing resources from a central pool and pay only for the amount of CPU cycles.
This document summarizes Rachael Marsh's BSC thesis project on network deployment systems. It begins with preface acknowledging those who helped with the project. The contents section outlines that the project will review PXE, proprietary, and open-source deployment solutions, explore operating system and software deployment options through artifact design and implementation of Windows Deployment Services, System Center Configuration Manager, and FOG server. It will also examine software deployment using Ninite Pro and discuss volume licensing.
This document discusses improving latency in distributed cloud data centers through virtualization and automation. It begins by introducing the benefits of distributed data centers over centralized ones, such as lower latency and reduced costs. It then discusses how virtualizing data centers allows more dynamic resource sharing and improves flexibility. Automating operations further reduces costs and complexity. The document proposes building virtual distributed data centers connected by networks optimized for low latency. Automating configuration management helps adapt rapidly to dynamic cloud environments. Overall, virtualizing distributed data centers and automating operations can improve latency and reduce costs in cloud computing.
Security in multi cloud data storage with sic architectureeSAT Journals
Abstract Cloud computing is becoming an important thing to deal with, in many organizations around the world. It provides many benefits like 1. cost, 2.Reliability and 3.Ease in retrieval of data. Security in cloud computing is gaining more and more importance as organizations often store sensitive data and important data on the cloud. Security of data in cloud is an issue which should be focused carefully. Customers do not want to lose their sensitive data due to malicious insiders and hackers in the cloud. In addition, the loss of service availability has caused many problems for a large number of recently. Data intrusion technique create many problems for the users of cloud computing. The other issues such as data theft, data lost should be overcome to provide better services to the customers. It is observed that the research into the use of intercloud providers to maintain security has received less attention from the research community than has the use of single clouds. Multi-cloud environment has ability to reduce the security risks as well as it can ensure the security and reliability. The system aim to provide a framework to deploy a secure cloud database that will guarantee to avoid security risks facing the cloud computing community This paper suggests new architecture for cloud environment which will help in reducing the security threats. The efficient and secure use of cloud computing will provide many benefit to the organizations in terms of money and ease in access to the data. Keywords: Cloud computing, single cloud, multi-clouds, cloud Storage, data integrity, data intrusion, service availability, Performance, cost-reduction.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
IRJET- An Efficient Data Replication in Salesforce Cloud EnvironmentIRJET Journal
This paper proposes an efficient data replication strategy to improve reliability of data stored in the Salesforce cloud environment. The strategy replicates data from Salesforce to the Amazon Web Services cloud for redundancy. It uses a lightweight time-series algorithm to predict which data files will be most frequently requested in the future and prioritizes those for replication. The number of replicas is determined dynamically based on availability thresholds. This strategy aims to improve fault tolerance, ensure data availability even if the primary Salesforce storage fails, and meet quality of service requirements in a cost effective manner for businesses using cloud computing.
This document discusses HCL's approach to IT service management for clouds. It begins by providing background on the emergence of cloud computing and how it has changed IT infrastructure landscapes and service management needs. It then examines different cloud computing models including private, hybrid, and multi-cloud and how they impact service management equations. The document outlines HCL's ITSM approach which is built on ITIL best practices and frameworks, and how they transform ITIL processes for cloud environments. It provides examples of how service schemes and architectures can be designed for clouds.
HCL Notes und Domino Lizenzkostenreduzierung in der Welt von DLAUpanagenda
Webinar Recording: https://www.panagenda.com/webinars/hcl-notes-und-domino-lizenzkostenreduzierung-in-der-welt-von-dlau/
DLAU und die Lizenzen nach dem CCB- und CCX-Modell sind für viele in der HCL-Community seit letztem Jahr ein heißes Thema. Als Notes- oder Domino-Kunde haben Sie vielleicht mit unerwartet hohen Benutzerzahlen und Lizenzgebühren zu kämpfen. Sie fragen sich vielleicht, wie diese neue Art der Lizenzierung funktioniert und welchen Nutzen sie Ihnen bringt. Vor allem wollen Sie sicherlich Ihr Budget einhalten und Kosten sparen, wo immer möglich. Das verstehen wir und wir möchten Ihnen dabei helfen!
Wir erklären Ihnen, wie Sie häufige Konfigurationsprobleme lösen können, die dazu führen können, dass mehr Benutzer gezählt werden als nötig, und wie Sie überflüssige oder ungenutzte Konten identifizieren und entfernen können, um Geld zu sparen. Es gibt auch einige Ansätze, die zu unnötigen Ausgaben führen können, z. B. wenn ein Personendokument anstelle eines Mail-Ins für geteilte Mailboxen verwendet wird. Wir zeigen Ihnen solche Fälle und deren Lösungen. Und natürlich erklären wir Ihnen das neue Lizenzmodell.
Nehmen Sie an diesem Webinar teil, bei dem HCL-Ambassador Marc Thomas und Gastredner Franz Walder Ihnen diese neue Welt näherbringen. Es vermittelt Ihnen die Tools und das Know-how, um den Überblick zu bewahren. Sie werden in der Lage sein, Ihre Kosten durch eine optimierte Domino-Konfiguration zu reduzieren und auch in Zukunft gering zu halten.
Diese Themen werden behandelt
- Reduzierung der Lizenzkosten durch Auffinden und Beheben von Fehlkonfigurationen und überflüssigen Konten
- Wie funktionieren CCB- und CCX-Lizenzen wirklich?
- Verstehen des DLAU-Tools und wie man es am besten nutzt
- Tipps für häufige Problembereiche, wie z. B. Team-Postfächer, Funktions-/Testbenutzer usw.
- Praxisbeispiele und Best Practices zum sofortigen Umsetzen
Let's Integrate MuleSoft RPA, COMPOSER, APM with AWS IDP along with Slackshyamraj55
Discover the seamless integration of RPA (Robotic Process Automation), COMPOSER, and APM with AWS IDP enhanced with Slack notifications. Explore how these technologies converge to streamline workflows, optimize performance, and ensure secure access, all while leveraging the power of AWS IDP and real-time communication via Slack notifications.
How to Interpret Trends in the Kalyan Rajdhani Mix Chart.pdfChart Kalyan
A Mix Chart displays historical data of numbers in a graphical or tabular form. The Kalyan Rajdhani Mix Chart specifically shows the results of a sequence of numbers over different periods.
Have you ever been confused by the myriad of choices offered by AWS for hosting a website or an API?
Lambda, Elastic Beanstalk, Lightsail, Amplify, S3 (and more!) can each host websites + APIs. But which one should we choose?
Which one is cheapest? Which one is fastest? Which one will scale to meet our needs?
Join me in this session as we dive into each AWS hosting service to determine which one is best for your scenario and explain why!
Dandelion Hashtable: beyond billion requests per second on a commodity serverAntonios Katsarakis
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DATA COMMUNICATION AND NETWORKING
1. DATA COMMUNICATION AND
COMPUTER NETWORK
Proof of Concept document
SEPTEMBER 22, 2014
B.SARAVANA PRASANTH
IT 14237300
Lecturer In-Charge Signature
2. IT14237300 1
Table of Contents
INTRODUCTION.......................................................................................................................................2
DIAGRAM ................................................................................................................................................3
HIGHLEVEL DIAGRAM .............................................................................................................................3
SMALL..................................................................................................................................................6
DATA CENTER-SRILANKA.....................................................................................................................7
DATA RECOVERY-SWITZERLAND.........................................................................................................8
PSTN..................................................................................................................................................12
DEVICES.................................................................................................................................................14
ROUTER.............................................................................................................................................14
PERIMETER FIREWALL.......................................................................................................................14
INTERNAL FIREWALL .........................................................................................................................15
SWITCH..............................................................................................................................................16
SERVERS ............................................................................................................................................17
PROXY SERVER ..............................................................................................................................17
WEB SERVER..................................................................................................................................17
FILE SERVER...................................................................................................................................18
MAIL SERVER.................................................................................................................................18
DATA BASE SERVER.......................................................................................................................19
INTERNET SERVICE PROVIDERS.............................................................................................................20
3. IT14237300 2
INTRODUCTION
The rise of information technology very helpful to the humans daily to day life.
From that they can exchange their data’s, views and ideas from one end to
another end of the world.
The aim of this project was to create a design for a global organization, to
communicate with their branches threw the networking systems.
This project presents the design for the networking diagram, which includes
the following components:
The networking diagram, products, products details, protection.
A description of the design and an analysis of operational will give the finalized
networking diagram. Finally it will be very cost effective and very safety to
communicate with their branches.
4. IT14237300 3
DIAGRAM
HIGHLEVEL DIAGRAM
Figure 01: It Describes About the Connection between DC, DR and Branches
Figure 01
TYPES OF BRANCHES
1. LARGE
• It contains which branches having more than 40 Employees.
Large= (Branch Employees>40)
2. MEDIUM
• It contains which branches having more than 30 Employees.
Medium= (Branch Employees>30)
3. SMALL
• It contains which branches having less than 40 Employees.
Small= (Branch Employees<40)
5. IT14237300 4
LARGE
Figure 02: It Describes About How The Large Level Branches Connected With The Data Center And
Data Recovery Center.
Figure 02
6. IT14237300 5
MEDIUM
Figure 03: It Describes About How the Medium Level Branches Connected With the Data Center And
Data Recovery Center.
Figure 03
7. IT14237300 6
SMALL
Figure 04: It Describes About How the Large Level Branches Connected With The Data Center And
Data Recovery Center.
Figure 04
The reason for having single internet service providers in the branches of small diagram is for
redundancy purpose.in these branches they are having small amount of employees and then if
we add another internet service provider. We want to spend more money to get service
providers and devices. In these kind of small branches they no need to have multiple amount of
service providers.
8. IT14237300 7
DATA CENTER-SRILANKA
Figure 05: It Describes About How The Data Center Connected With Their Employees.
Figure 05
In this data center there are 200 employees are working in here. From that I divided into four
main departments.
• DEPARTMENT 01=50 employees
• DEPARTMENT 02=50 employees
• DEPARTMENT 03=50 employees
• DEPARTMENT 04=50 employees
9. IT14237300 8
DATA RECOVERY-SWITZERLAND
Figure 06: It Describes About How The Data Recovery Center Connected With Their Employees.
Figure 06
There are 150 employees working in data recovery center. From this I divided into four main
departments.
• DEPARTMENT 01=50 employees
• DEPARTMENT 02=50 employees
• DEPARTMENT 03=25 employees
• DEPARTMENT 04=25 employees
10. IT14237300 9
DMZ (Demilitarized Zone)
In Computer Networking, a DMZ or Demilitarized Zone (Referred To As A Perimeter Network). Is A
Physical or Logical Network That Contains and Exposes an Organization’s External-Facing Services to
A Large and Untrusted Network, Usually the Internet. The Purpose of a DMZ Is To Add an Additional
Layer of Security to an Organization’s Local Area Network (LAN); an External Attacker Only Has
Direct Access to Equipment in the DMZ, Rather Than Any Other Part Of The Network.
Figure 07: It describes about the internal architecture in the Demilitarized Zone (DMZ).
Figure 07
11. IT14237300 10
A server farm [SF]
A server farm or server cluster is a collection of computer servers usually maintained by an
organizations to accomplish server needs far beyond the capability of one machine. Server farms
often consist of thousands of computers which require a large amount of power to run and keep
cool. At the optimum performance level, a server farm has enormous costs associated with it, both
financially and environmentally. Server farms often have backup servers, which can take over the
function of primary servers in the event of a primary server failure.
Figure 08: It describes about the internal architecture in the Server Farm (SF).
Figure 08
12. IT14237300 11
SERVER FARM IN BRANCHES [SFB]
In branches side we connecting the Proxy Server and the Mail Server to the perimeter Fire wall for
that we contract a layer called Server Farm in Branch’s.
Figure 09: In this diagram it describes about the how the Server Farm in the Branch’s working.
Figure 09
14. IT14237300 13
PSTN IN THE ORGANIZATION
Figure 11: It describes about how maybe the connection between the DC , DR and Branches through
the PSTN.
Figure 11
15. IT14237300 14
DEVICES
ROUTER
• Usage: Router is a network device. It forwards data packets between
computer networks. Router send the data packets for correct destination it
determine the routing table or routing policy.
Figure 12: It Describes About What Kind of Router’s Are Using for Construct This Network.
And Reason For Using That Specific Router.
MODEL PLACE RESON
cisco 1800 series
integrated service
routers
In Branches It’s End of Life Is More Than Five
Years.
cisco ASR 1003 Series
Aggregation Services
Router
In Data Center And Data Recovery It’s End of Life Is More Than Five
Years.
PERIMETER FIREWALL
• Usage: Perimeter firewall basically used in DMZ (demilitarized network). Which is
used to establish a barrier between a trusted, secure internal network and another
network (e.g. - the Internet).
Figure 13: It Describes About What Kind of Perimeter Firewall’s Are Using for Construct This
Network. And Reason For Using That Specific Firewall.
MODEL PLACE RESON
Cisco ASA 5500-X
Series Next-Generation
Firewalls
Data Center And Data Recovery
Center
It’s End of Life Is More Than Five
Years.
Figure 13
Figure 12
16. IT14237300 15
INTERNAL FIREWALL
Usage: The Internal Firewall which establishes a barrier between a trusted, secure external network
and internal network.
Figure 14: It Describes About What Kind of Internal Firewall’s Are Using for Construct This Network.
And Reason For Using That Specific Firewall.
MODEL PLACE RESON
Juniper SRX110 Data Center, Data Recovery
Center and Branches.
It’s End of Life Is More Than Five
Years.
Figure 14
The reason for using two different firewalls in the networking is:
In this diagram it have permitted firewall and internal firewalls. Permitted firewall is Cisco and
internal firewall is Juniper .The reason for two different fire wall is; the Cisco firewall is having a
different architecture and Juniper firewall is having a different kind of architecture. So if hackers
easily can’t access in our Systems. For that security purpose we are using different kind of firewalls.
The reason for using only internal firewall in branches is:
If we had the internal and permitted both firewalls our working speed may be low. That’s why we
using the internal firewall only to the branches.
17. IT14237300 16
SWITCH
Usage: The Switch is a computer networking device. That is used to connect devices together on a
computer network. It using a form of packet switching to forward data to destination device.
Figure 15: It Describes About What Kind of Switch’s Are Using for Construct This Network. And
Reason For Using That Specific Switch.
MODEL PLACE RESON
Cisco Catalyst 3850 Series
Switches
In DR and DC’s Access Layers It’s End of Life Is More Than Five
Years.
And also it have 48 ports to
connect the machines In DC and
DR, so it useful for redundancy.
Cisco Nexus 7000 4-Slot Switch In DMZ in DC and DR’s. It’s End of Life Is More Than Five
Years.
And also it have 4 ports to
connect the servers, so it useful
for redundancy.
Cisco Nexus 7000 9-Slot Switch In Server farm in DC and DR’s It’s End of Life Is More Than Five
Years.
And also it have 9 ports to
connect the servers, so it useful
for redundancy.
Cisco Nexus 7000 9-Slot Switch In DR and DC’s Distribution layer It’s End of Life Is More Than Five
Years.
And also it have 9 ports to
connect the servers, so it useful
for redundancy.
Figure 15
18. IT14237300 17
SERVERS
PROXY SERVER
In computer networks, a proxy server is a server (a computer system or an application) that acts as
an intermediary for requests from clients seeking resources from other servers. A client connects to
the proxy server, requesting some service, such as a file, connection, web page, or other resource
available from a different server and the proxy server evaluates the request as a way to simplify and
control its complexity. Proxies were invented to add structure and encapsulation to distributed
systems
Figure 16: It Describes About What Kind Proxy Servers are Using for Construct This Network. And
Reason for Using That Specific Server.
WEB SERVER
The term web server, also written as Web server, can refer to either the hardware (the computer) or
the software (the computer application) that helps to deliver web content that can be accessed
through the Internet.
The most common use of web servers is to host websites, but there are other uses such as gaming,
data storage, running enterprise applications, handling email, FTP, or other web uses.
MODEL PLACE RESON
HP 9000 High-End Servers IN DMZ of DC and DR It’s End of Life Is More Than
Five Years.
HP 9000 Mid-Range Servers IN Server Farms [SF] in DC and
DR.
It’s End of Life Is More Than
Five Years.
HP 9000 Legacy Servers In Server Farms of Branches
[SFB] in Branches.
It’s End of Life Is More Than
Five Years.
Figure 16
19. IT14237300 18
Figure 16: It Describes About What Kind Web Servers are Using for Construct This Network. And
Reason for Using That Specific Server.
MODEL PLACE RESON
HP 9000 High-End Servers IN DMZ of DC and DR It’s End of Life Is More Than Five
Years.
FILE SERVER
In computing, a file server is a computer attached to a network that has the primary purpose of
providing a location for shared disk access, i.e. shared storage of computer files (such as documents,
sound files, photographs, movies, images, databases, etc.) that can be accessed by the workstations
that are attached to the same computer network. The term server highlights the role of the machine
in the client–server scheme, where the clients are the workstations using the storage. A file server is
not intended to perform computational tasks, and does not run programs on behalf of its clients. It is
designed primarily to enable the storage and retrieval of data while the computation is carried out
by the workstations.
Figure 17: It Describes About What Kind Web Servers are Using for Construct This Network. And
Reason for Using That Specific Server.
Figure 17
MODEL PLACE RESON
HP 9000 Mid-Range Servers IN Server Farms [SF] in DC and
DR.
It’s End of Life Is More Than Five
Years.
MODEL PLACE RESON
HP 9000 High-End Servers IN DMZ of DC and DR
{Front End Mail Server}
It’s End of Life Is More Than
Five Years.
HP 9000 Mid-Range Servers IN Server Farms [SF] in DC and
DR.{Back End Mail Server}
It’s End of Life Is More Than
Five Years.
Figure 16
MAIL SERVER
Figure 18: It Describes About What Kind Mail Servers are Using for Construct This Network. And
Reason for Using That Specific Server.
MODEL PLACE RESON
HP 9000 High-End Servers IN DMZ of DC and DR It’s End of Life Is More Than
Five Years.
HP 9000 Mid-Range Servers IN Server Farms [SF] in DC and
DR.
It’s End of Life Is More Than
Five Years.
HP 9000 Legacy Servers In Server Farms of Branches
[SFB] in Branches.
It’s End of Life Is More Than
Five Years.
20. IT14237300 19
Figure 18
DATA BASE SERVER
Figure 19: It Describes About What Kind of Data Base Server Servers are using for Construct This
Network. And Reason for Using That Specific Server.
Figure 19
HP 9000 Legacy Servers In Server Farms of Branches
[SFB] in Branches.
{Mail server}
It’s End of Life Is More Than
Five Years.
MODEL PLACE RESON
HP 9000 Mid-Range Servers IN Server Farms [SF] in DC and
DR.
It’s End of Life Is More Than Five
Years.
21. IT14237300 20
INTERNET SERVICE PROVIDERS
Figure 20: It describes about the internet service provider’s and PSTN provider’s in these countries.
COUNTRY INTERNET PSTN
SRILANKA DIALOG Airtel
SLT Etisalat
SWITZERLAND SWISSCOM-SSC Orange
SUNRISE-SUN UPC Cablecom- UPC
England BT Group-BT Vodafone-VOD
Sky Broadband-SKY Hutchison 3 -HUTCH
India BSNL TATA DOCOMO- TATA
Airtel Reliance Communications- REL
Japan ASAHI net SoftBank - SOFT
SO-Net au
Bangladesh AB Network Limited-AB
Grameenphone-GRAM
Aftab It Limited- AFTAB Airtel
Australia AAR Net-AAR Vodafone-VF
BIG Air-BIG Optus
China MSN China-MSN China mobile- MOBILE
China Telecom-Tel China Unicom-UNI
22. IT14237300 21
COUNTRY INTERNET PSTN
United States of America (USA) Windstream-WIND Skyriver-S/RIVER
Russia City line-CITY Beeline-BEE
South Africa Afrihost-AFRI Telkom-T/KOM
Canada Gemstelecom-GEM Shaw
Figure 20