The document discusses the challenges of evaluating the total cost of ownership for network-centric systems of systems. It notes that systems of systems involve multiple independent systems working together and have greater complexity due to emergent behaviors. Estimating costs for systems of systems is difficult due to factors like the number of components, connections between systems, and overall complexity, which scales exponentially with additional components. The document examines how factors like complexity, security certification levels, and human-system interactions can impact overall costs.
Lesson on "Cost Models and Total Cost of Ownership Trade-Off’s for “Network Centric” Systems" at the Master on Systems Engineering, University of Rome "Tor Vergata", 2014/2015.
This paper acknowledges the great improvements that have taken place in lightning location systems, and in power system monitoring data, over the past 20 years or more. However, it suggests that there may be even more refinement possible if these two disparate data systems are brought together at the sensor data level rather than simply comparing the independent system results. It also covers a brief history of open source software (OSS) and discusses the advantages that OSS provides.
Towards CIM-Compliant Model-Based Cyber-Physical Power System Design and Simu...Luigi Vanfretti
Compliance with grid data exchange standards (i.e. CIM) can allow for sustainable software development in power systems if open and equation-based modeling languages and simulation standards are exploited . Together with my PhD student Francisco José Gómez López, we will be @RT-2014 presenting our vision and recent work carried out together with Svein Olsen: "Towards CIM-Compliant Model-Based Cyber-Physical Power System Design and Simulation using Modelica".
The document outlines an agenda for a workshop on total cost of ownership (TCO). The agenda includes an introduction to TCO, understanding TCO, a group discussion, case study, and closure. It then provides examples of costs that must be considered when calculating the TCO of a bus, computer network, or other purchase beyond the initial price. These include maintenance, repairs, staffing needs, and more. Finally, it shares the TCO calculation and results for a 16-ton tipper truck over 8 years, finding the net TCO is approximately 11.3 million Indian rupees.
1. The document discusses security permissions for file sharing and accessing resources on a network, including share-level permissions, NTFS permissions, and group policies.
2. Share-level permissions allow control over reading, changing, and full control access when folders are shared on the network, while NTFS permissions provide more granular control over individual files and folders.
3. Effective permissions are determined by evaluating all group memberships a user has, and the most restrictive permission is applied. Group policies can also be used to configure security settings across an organization.
Drupal enterprise solutions reduce total cost of ownership (tco)Tom T
Tom has experience in marketing, content strategy, and web development. He discusses the total cost of ownership (TCO) model, noting that upfront software costs are small compared to hidden lifetime costs like maintenance and replacement. TCO should be considered over the full product lifecycle. Drupal reduces enterprise TCO through its large community, modular architecture, and proven deployments at governments and large organizations. Drupal helps control costs and adapt to changing needs over the long term.
Beckstrom's Law - The Economics Of Networks Defcon July 31, 2009RodBeckstrom
1) The document introduces Beckstrom's Law, a new model for calculating the value of a network. Beckstrom's Law states that the value of a network equals the net value added to each user's transactions, summed over all users.
2) The model defines the value of a network to a single user as the benefits of transactions minus the costs of transactions. It then sums this value over all users to calculate the total value of the network.
3) The document discusses how Beckstrom's Law can be used to analyze topics like security economics, the economics of deterring hackers, and the value of improving network architecture and protocols. It also notes challenges like needing accurate data to apply the model.
Lesson on "Cost Models and Total Cost of Ownership Trade-Off’s for “Network Centric” Systems" at the Master on Systems Engineering, University of Rome "Tor Vergata", 2014/2015.
This paper acknowledges the great improvements that have taken place in lightning location systems, and in power system monitoring data, over the past 20 years or more. However, it suggests that there may be even more refinement possible if these two disparate data systems are brought together at the sensor data level rather than simply comparing the independent system results. It also covers a brief history of open source software (OSS) and discusses the advantages that OSS provides.
Towards CIM-Compliant Model-Based Cyber-Physical Power System Design and Simu...Luigi Vanfretti
Compliance with grid data exchange standards (i.e. CIM) can allow for sustainable software development in power systems if open and equation-based modeling languages and simulation standards are exploited . Together with my PhD student Francisco José Gómez López, we will be @RT-2014 presenting our vision and recent work carried out together with Svein Olsen: "Towards CIM-Compliant Model-Based Cyber-Physical Power System Design and Simulation using Modelica".
The document outlines an agenda for a workshop on total cost of ownership (TCO). The agenda includes an introduction to TCO, understanding TCO, a group discussion, case study, and closure. It then provides examples of costs that must be considered when calculating the TCO of a bus, computer network, or other purchase beyond the initial price. These include maintenance, repairs, staffing needs, and more. Finally, it shares the TCO calculation and results for a 16-ton tipper truck over 8 years, finding the net TCO is approximately 11.3 million Indian rupees.
1. The document discusses security permissions for file sharing and accessing resources on a network, including share-level permissions, NTFS permissions, and group policies.
2. Share-level permissions allow control over reading, changing, and full control access when folders are shared on the network, while NTFS permissions provide more granular control over individual files and folders.
3. Effective permissions are determined by evaluating all group memberships a user has, and the most restrictive permission is applied. Group policies can also be used to configure security settings across an organization.
Drupal enterprise solutions reduce total cost of ownership (tco)Tom T
Tom has experience in marketing, content strategy, and web development. He discusses the total cost of ownership (TCO) model, noting that upfront software costs are small compared to hidden lifetime costs like maintenance and replacement. TCO should be considered over the full product lifecycle. Drupal reduces enterprise TCO through its large community, modular architecture, and proven deployments at governments and large organizations. Drupal helps control costs and adapt to changing needs over the long term.
Beckstrom's Law - The Economics Of Networks Defcon July 31, 2009RodBeckstrom
1) The document introduces Beckstrom's Law, a new model for calculating the value of a network. Beckstrom's Law states that the value of a network equals the net value added to each user's transactions, summed over all users.
2) The model defines the value of a network to a single user as the benefits of transactions minus the costs of transactions. It then sums this value over all users to calculate the total value of the network.
3) The document discusses how Beckstrom's Law can be used to analyze topics like security economics, the economics of deterring hackers, and the value of improving network architecture and protocols. It also notes challenges like needing accurate data to apply the model.
Savig cost using application level virtualizationNati Shalom
Saving cost using middleware and application level virtualization. This presentation provides description of the various cost saving elements beyond server-side consolidation. - Saving the cost of peak/static provisioning using on-demand scaling - Saving the downtime cost - Saving cost through outsourcing part of our application and operations to the cloud - Saving cost using application level optimization (doing more with less) - Saving cost using platform consolidation to reduce the number of software components as well as utilize OpenSource and more commodity Software packages Toward the end Jim Liddle provide real life case studies from iPhone launch in the UK and how those principles has been applied to enable successful launch in the UK. In addition to that Jim go through some of the motivations and case studies that led different telco and startup companies to utilize the cloud to gain better cost effectiveness.
Total Cost Ownership Surveillance Systems Th (2) (2)Tom Hulsey
The document summarizes research into the total cost of ownership of IP-based surveillance systems compared to analog surveillance systems. Key findings include:
- For a sample 40 camera system, the IP-based system had a slightly lower total cost of ownership (3.4% lower).
- Network cameras accounted for half the cost of the IP system but only a third of the analog system's cost. Cabling was almost three times more expensive for analog.
- Beyond 32 cameras, IP systems have lower costs than analog systems. If IP infrastructure is already installed, IP systems always have lower costs.
- Additional benefits of IP systems noted were scalability, flexibility, image quality, and ability to use me
This document discusses strategies for reducing a fleet's total cost of ownership (TCO). It defines TCO as including acquisition, operational, and resale costs over a vehicle's lifetime. The largest TCO components are depreciation, fuel, accidents, and maintenance. The document recommends six steps to control TCO: 1) keep acquisition costs down, 2) minimize depreciation, 3) maintain preventative maintenance, 4) determine optimal cycling parameters, 5) control fuel usage and costs, and 6) monitor each cost component. Implementing these strategies such as timely vehicle replacement and maintenance can help fleet managers understand and reduce TCO.
The network effect occurs when the value of a product or service increases according to the number of others using it. The classic example is the telephone - the more people who own phones, the more valuable the system is for each user. Network effects were first studied in the context of long-distance telephony and were popularized by Metcalfe's law, which states that the value of a network is proportional to the square of the number of users. Examples of products and services that exhibit strong network effects include social networks like Facebook and LinkedIn, as well as platforms like the Apple ecosystem.
The Cost of Technology: Total Cost of Ownership and Value of Investment - Ri...SchoolDude Editors
The document discusses CoSN's initiatives to help K-12 schools understand the total cost of ownership (TCO) of educational technology and measure the value of investment (VOI) in new technology projects. It provides an overview of the TCO and VOI methodologies, tools and resources available on CoSN's websites to help schools evaluate current technology costs and determine costs and benefits of potential investments.
Do you know how much you’re really spending to host your own ad server? It may surprise you. Watch this webinar to learn more about the ‘hard’ and 'hidden' costs associated with self-hosting.
This document discusses strategies for reducing the total cost of ownership (TCO) of computer technology in schools. It suggests:
1. Defining how technology will be used and adopting uniform equipment standards to reduce costs and simplify support.
2. Implementing terminal servers and thin clients to reduce desktop support costs, though this requires robust infrastructure.
3. Establishing replacement cycles and considering leasing to keep equipment current and support costs lower.
4. Purchasing support services like extended warranties and adequate technical support to minimize downtime and expenses.
My short course on the TICE methodology at the Master in Satellites and Orbiting Platforms, University of Rome, "La Spaienza", 31 March - 1 April 2016.
Total cost of ownership (TCO) considers all direct and indirect costs associated with purchasing, owning, and disposing of a good or service from a supplier. TCO includes acquisition costs, ownership costs like maintenance and downtime, and post-ownership costs like warranty repairs or environmental impact. Calculating TCO allows managers to make informed supplier selection and negotiation decisions based on the total lifetime costs rather than just the purchase price. TCO analysis provides benefits like improved performance measurement, decision making, communication, insight, and support for continuous improvement efforts. However, cultural resistance to change, lack of education and resources can present barriers to implementing a TCO approach.
The document discusses architecture-centric software development processes. It describes traditional waterfall and iterative development models, and notes that iterative models allow for more flexibility to changing requirements. Agile development methods like eXtreme Programming (XP) are discussed, which emphasize iterative development, collaboration, and rapid delivery of working software. Key practices of XP are outlined, including user stories, testing, pair programming, refactoring, and continuous integration. The role of architecture in agile processes is also addressed.
Total Cost of Ownership, what is it ? and why do we need to know more about it.Ashraf Osman
This is a brief presentation about TCO, a subject that should be addressed by all CIO's. A lot of savings can be realized when one gives TCO a careful look ..
The document provides an explanation of net present value (NPV) calculations for project managers. It defines NPV as discounting all cash flows from a project back to their present value. Project managers use NPV to evaluate the value of projects, make investment decisions by comparing NPV across alternatives, and include NPV calculations in key project documents like business cases and plans. The document uses examples and explanations to demonstrate how to perform NPV calculations in Excel and interpret the results.
The document discusses network consolidation strategies for telecom companies. It describes how the T-Mobile and Orange joint venture in the UK consolidated their two networks, reducing radio nodes by 25% and site locations by 40% compared to standalone networks. It also discusses a network sharing agreement between Vodafone and Telefonica. Network consolidation can significantly reduce costs through synergies, but high restructuring costs and organizational complexity must be considered.
Using Business Architecture to enable customer experience and digital strategyCraig Martin
Digital disruption is shifting business model design from a focus on product profitability to a stronger focus on customer experience and lifetime value.
The presentation looks at environmental pressures caused by digital disruption and identifies how to use business architecture and business design to address these changes.
It covers business architecture for digital strategy, customer-driven value chains, re-writing of the 4Ps of the marketing mix, and the nine laws of disruption and how they affect business model design.Craig also investigates the changes afoot with strategic business planning and Enterprise Architecture, which are experiencing their own form of disruption. Will Enterprise Architecture as we know it become a commodity too?
This presentation was delivered as an OpenGroup webinar and is available for viewing from the www.enterprisearchitects.com web site.
Jerry Chen, partner at Greylock and former VP of Cloud and Application Services at VMware, shares his Unit of Value framework for startups building a go-to-market strategy. He developed this strategy while managing product and marketing teams at VMware that shipped many “1.0” releases, including VMware VDI, Cloud Foundry, and vFabric, and continues to use the framework to evaluate companies as an investor.
Bridging business analysis and business architecture - The Open Group webinarCraig Martin
The document discusses bridging business analysis and business architecture. It notes that lines of responsibility around enterprise cohesion and business architecture are often unclear in large organizations. Business stakeholders are seeking more value from business architecture but often receive more complexity. The value and skills required of business analysis and business architecture roles depends on the mandate from the business, whether it is to improve projects, programs/portfolios, business performance, or products/services. A lack of opportunity exists currently for these roles to operate at a high strategic level due to various organizational and political factors. Strategies are discussed for moving these roles up the curve to open more opportunities, such as aligning more closely to planning, providing strategic insights, creating unified cross-discipline teams,
SECURITY IN LARGE, STRATEGIC AND COMPLEX SYSTEMSMarco Lisi
Lesson on "Security in large, Strategic and Complex Systems" at the "Master di II Livello" in "Homeland Security" -
Università degli Studi Campus Bio-Medico di Roma, A. A. 2012-2013
Critical Information Infrastructure Systems WorldwideAngela Hays
The document discusses the training that the author underwent at Finetech Controls Pvt. Ltd., which covered the fundamentals of industrial automation including components like switches, sensors, controllers, drives, and programmable logic controllers. The training also included how to operate and program PLCs to remotely control industrial processes, as well as the basics of variable frequency drives for motor speed and rotation control. The author was educated on the principles, applications, and installation of automation equipment used in manufacturing and material handling processes.
Savig cost using application level virtualizationNati Shalom
Saving cost using middleware and application level virtualization. This presentation provides description of the various cost saving elements beyond server-side consolidation. - Saving the cost of peak/static provisioning using on-demand scaling - Saving the downtime cost - Saving cost through outsourcing part of our application and operations to the cloud - Saving cost using application level optimization (doing more with less) - Saving cost using platform consolidation to reduce the number of software components as well as utilize OpenSource and more commodity Software packages Toward the end Jim Liddle provide real life case studies from iPhone launch in the UK and how those principles has been applied to enable successful launch in the UK. In addition to that Jim go through some of the motivations and case studies that led different telco and startup companies to utilize the cloud to gain better cost effectiveness.
Total Cost Ownership Surveillance Systems Th (2) (2)Tom Hulsey
The document summarizes research into the total cost of ownership of IP-based surveillance systems compared to analog surveillance systems. Key findings include:
- For a sample 40 camera system, the IP-based system had a slightly lower total cost of ownership (3.4% lower).
- Network cameras accounted for half the cost of the IP system but only a third of the analog system's cost. Cabling was almost three times more expensive for analog.
- Beyond 32 cameras, IP systems have lower costs than analog systems. If IP infrastructure is already installed, IP systems always have lower costs.
- Additional benefits of IP systems noted were scalability, flexibility, image quality, and ability to use me
This document discusses strategies for reducing a fleet's total cost of ownership (TCO). It defines TCO as including acquisition, operational, and resale costs over a vehicle's lifetime. The largest TCO components are depreciation, fuel, accidents, and maintenance. The document recommends six steps to control TCO: 1) keep acquisition costs down, 2) minimize depreciation, 3) maintain preventative maintenance, 4) determine optimal cycling parameters, 5) control fuel usage and costs, and 6) monitor each cost component. Implementing these strategies such as timely vehicle replacement and maintenance can help fleet managers understand and reduce TCO.
The network effect occurs when the value of a product or service increases according to the number of others using it. The classic example is the telephone - the more people who own phones, the more valuable the system is for each user. Network effects were first studied in the context of long-distance telephony and were popularized by Metcalfe's law, which states that the value of a network is proportional to the square of the number of users. Examples of products and services that exhibit strong network effects include social networks like Facebook and LinkedIn, as well as platforms like the Apple ecosystem.
The Cost of Technology: Total Cost of Ownership and Value of Investment - Ri...SchoolDude Editors
The document discusses CoSN's initiatives to help K-12 schools understand the total cost of ownership (TCO) of educational technology and measure the value of investment (VOI) in new technology projects. It provides an overview of the TCO and VOI methodologies, tools and resources available on CoSN's websites to help schools evaluate current technology costs and determine costs and benefits of potential investments.
Do you know how much you’re really spending to host your own ad server? It may surprise you. Watch this webinar to learn more about the ‘hard’ and 'hidden' costs associated with self-hosting.
This document discusses strategies for reducing the total cost of ownership (TCO) of computer technology in schools. It suggests:
1. Defining how technology will be used and adopting uniform equipment standards to reduce costs and simplify support.
2. Implementing terminal servers and thin clients to reduce desktop support costs, though this requires robust infrastructure.
3. Establishing replacement cycles and considering leasing to keep equipment current and support costs lower.
4. Purchasing support services like extended warranties and adequate technical support to minimize downtime and expenses.
My short course on the TICE methodology at the Master in Satellites and Orbiting Platforms, University of Rome, "La Spaienza", 31 March - 1 April 2016.
Total cost of ownership (TCO) considers all direct and indirect costs associated with purchasing, owning, and disposing of a good or service from a supplier. TCO includes acquisition costs, ownership costs like maintenance and downtime, and post-ownership costs like warranty repairs or environmental impact. Calculating TCO allows managers to make informed supplier selection and negotiation decisions based on the total lifetime costs rather than just the purchase price. TCO analysis provides benefits like improved performance measurement, decision making, communication, insight, and support for continuous improvement efforts. However, cultural resistance to change, lack of education and resources can present barriers to implementing a TCO approach.
The document discusses architecture-centric software development processes. It describes traditional waterfall and iterative development models, and notes that iterative models allow for more flexibility to changing requirements. Agile development methods like eXtreme Programming (XP) are discussed, which emphasize iterative development, collaboration, and rapid delivery of working software. Key practices of XP are outlined, including user stories, testing, pair programming, refactoring, and continuous integration. The role of architecture in agile processes is also addressed.
Total Cost of Ownership, what is it ? and why do we need to know more about it.Ashraf Osman
This is a brief presentation about TCO, a subject that should be addressed by all CIO's. A lot of savings can be realized when one gives TCO a careful look ..
The document provides an explanation of net present value (NPV) calculations for project managers. It defines NPV as discounting all cash flows from a project back to their present value. Project managers use NPV to evaluate the value of projects, make investment decisions by comparing NPV across alternatives, and include NPV calculations in key project documents like business cases and plans. The document uses examples and explanations to demonstrate how to perform NPV calculations in Excel and interpret the results.
The document discusses network consolidation strategies for telecom companies. It describes how the T-Mobile and Orange joint venture in the UK consolidated their two networks, reducing radio nodes by 25% and site locations by 40% compared to standalone networks. It also discusses a network sharing agreement between Vodafone and Telefonica. Network consolidation can significantly reduce costs through synergies, but high restructuring costs and organizational complexity must be considered.
Using Business Architecture to enable customer experience and digital strategyCraig Martin
Digital disruption is shifting business model design from a focus on product profitability to a stronger focus on customer experience and lifetime value.
The presentation looks at environmental pressures caused by digital disruption and identifies how to use business architecture and business design to address these changes.
It covers business architecture for digital strategy, customer-driven value chains, re-writing of the 4Ps of the marketing mix, and the nine laws of disruption and how they affect business model design.Craig also investigates the changes afoot with strategic business planning and Enterprise Architecture, which are experiencing their own form of disruption. Will Enterprise Architecture as we know it become a commodity too?
This presentation was delivered as an OpenGroup webinar and is available for viewing from the www.enterprisearchitects.com web site.
Jerry Chen, partner at Greylock and former VP of Cloud and Application Services at VMware, shares his Unit of Value framework for startups building a go-to-market strategy. He developed this strategy while managing product and marketing teams at VMware that shipped many “1.0” releases, including VMware VDI, Cloud Foundry, and vFabric, and continues to use the framework to evaluate companies as an investor.
Bridging business analysis and business architecture - The Open Group webinarCraig Martin
The document discusses bridging business analysis and business architecture. It notes that lines of responsibility around enterprise cohesion and business architecture are often unclear in large organizations. Business stakeholders are seeking more value from business architecture but often receive more complexity. The value and skills required of business analysis and business architecture roles depends on the mandate from the business, whether it is to improve projects, programs/portfolios, business performance, or products/services. A lack of opportunity exists currently for these roles to operate at a high strategic level due to various organizational and political factors. Strategies are discussed for moving these roles up the curve to open more opportunities, such as aligning more closely to planning, providing strategic insights, creating unified cross-discipline teams,
SECURITY IN LARGE, STRATEGIC AND COMPLEX SYSTEMSMarco Lisi
Lesson on "Security in large, Strategic and Complex Systems" at the "Master di II Livello" in "Homeland Security" -
Università degli Studi Campus Bio-Medico di Roma, A. A. 2012-2013
Critical Information Infrastructure Systems WorldwideAngela Hays
The document discusses the training that the author underwent at Finetech Controls Pvt. Ltd., which covered the fundamentals of industrial automation including components like switches, sensors, controllers, drives, and programmable logic controllers. The training also included how to operate and program PLCs to remotely control industrial processes, as well as the basics of variable frequency drives for motor speed and rotation control. The author was educated on the principles, applications, and installation of automation equipment used in manufacturing and material handling processes.
This document discusses communication in distributed systems. It begins with an introduction that describes how distributed computing will be central to many critical applications but also faces challenges around reliability and scalability. The document then covers communication protocols and architectures for distributed systems, including layered, object-based, data-centered, and event-based styles. It also discusses topics like reliability, communication in groups, and order of communication. The conclusion restates that the best architecture depends on application requirements and environment.
The document discusses the history and goals of distributed systems. It begins by describing how computers evolved from large centralized mainframes in the 1940s-1980s, to networked systems in the mid-1980s enabled by microprocessors and computer networks. The key goals of distributed systems are to make resources accessible across a network, hide the distributed nature of resources to provide transparency, remain open to new services, and scale effectively with increased users and resources. Examples of distributed systems include the internet, intranets, and worldwide web.
IRJET- Secure Scheme For Cloud-Based Multimedia Content StorageIRJET Journal
This document proposes a secure scheme for cloud-based multimedia content storage. It has two novel components: (1) a method to create signatures for 3D videos that captures depth signals efficiently, and (2) a distributed matching engine for multimedia objects that achieves high scalability. The system was implemented and deployed on Amazon and private clouds. Experiments on over 11,000 3D videos and 1 million images showed the system accurately detects over 98% of copies, outperforming YouTube's protection system which fails to detect most 3D video copies. The system provides cost-efficient, scalable multimedia content protection leveraging cloud infrastructure.
Here are the key steps I would take to design a computer network:
1. Define the goals and needs of the network. What needs to be connected? How many users? What applications and services will be used?
2. Map out the physical layout. Where are devices located? How will they connect - wired or wireless? Design a logical topology to organize devices.
3. Select network hardware. Choose switches, routers, access points suitable for the size and needs. Consider wired/wireless infrastructure requirements.
4. Design the IP addressing scheme. Plan subnetting and IP ranges for efficient use of available addresses.
5. Configure network segmentation. Use VLANs or separate subnets to logically separate traffic as needed for
IRJET- Architectural Modeling and Cybersecurity Analysis of Cyber-Physical Sy...IRJET Journal
This document provides a technical review of cyber-physical systems (CPS) that focuses on their architectural modeling and cybersecurity analysis. It begins with an abstract that introduces CPS as heterogeneous systems where computing and communication systems interact with and control physical dynamics. The document then provides an overview that categorizes CPS architectures and identifies challenges related to their security and development. It analyzes cybersecurity issues for CPS and explores future research directions to address open problems.
IRJET-Structure less Efficient Data Aggregation and Data Integrity in Sensor ...IRJET Journal
This document proposes a structureless and efficient data aggregation technique for wireless sensor networks that ensures data integrity with low transmission overhead. It introduces a concept where the base station can recover individual sensor data even after aggregation by cluster heads. This allows the base station to verify data integrity and authenticity, as well as perform any desired aggregation functions. It then proposes a structure-free scheme using intracluster and intercluster encryption and aggregation procedures. This scheme aims to address limitations of previous work such as high transmission costs and inability to query individual data values, while maintaining security and scalability. The document analyzes security and scalability aspects and argues the proposed scheme offers improved performance and efficiency for data aggregation in wireless sensor networks.
This document summarizes the internship work conducted by Marta de la Cruz Martos at CITSEM within the GRyS group. The internship focused on developing algorithms to analyze energy consumption for smart grids as part of the I3RES project, which aims to integrate renewable energy sources into distributed networks using artificial intelligence. Specifically, the internship involved studying relevant technologies, participating in software component design, developing and implementing algorithms, and preparing reports. The document provides background on distributed systems and databases, describes the work conducted, and presents results and conclusions.
Reference Article1st published in May 2015doi 10.1049etr.docxlorent8
Reference Article
1st published in May 2015
doi: 10.1049/etr.2014.0035
ISSN 2056-4007
www.ietdl.org
Operating System Security
Paul Hopkins Cyber Security Practice, CGI, UK
Abstract
This article focuses on the security of the operating system, a fundamental component of ICT that enables many
different applications to be used in a variety of computing hardware. While, the original operating systems for
large centralised computing focused their security efforts primarily on separating users, operating systems secur-
ity has had to adapt to cater for a wider range of technology, such as desktop computers, smartphones and
cloud platforms, and the different threats that have evolved as a consequence. This article examines some of
the core security mechanisms that every operating system needs and the gradual evolution towards offering
a more secure platform.
Introduction: What is the Operating
System?
All too frequently the words operating system conjure
up thoughts of Microsoft Windows made popular as
an operating system that enabled desktop computing.
However, there have been, and still continue to be a
large number of operating system types and versions
in operation [1] for all sorts of devices. These devices
range from those designed to work with mobile
phones, tablets and games consoles of the consumer
world, through to the servers/laptops, network
routers and switches of the IT industry, as well as em-
bedded devices and industrial controllers from indus-
trial engineering. [Dependent upon the hardware
architecture, the operating systems can be significantly
different to the fuller versions that this paper uses to
illustrate the key security mechanisms.]
In essence, the purpose of the operating system is to
provide a layer above the hardware execution environ-
ment, abstracting away low level details, such that it
appropriately shares and enables access to the mul-
tiple hardware components, such as processors,
memory, USB devices, network cards, monitors and
keyboards. It thus provides an environment in which
multiple applications (ranging from advanced
weather forecasting through to word processors,
games and industrial control processes) can all be po-
tentially executed and accessed by multiple users.
Operating systems have a history and timeline dating
back to the development of the first computers in
the early 50s, given that the users, then also needed
a way to execute their applications or programs.
Since that time operating systems have adapted to
Eng. Technol. Ref., pp. 1–8
doi: 10.1049/etr.2014.0035
take advantage of increases in speed and performance
of hardware and communications. The changes either
enable new functionality and applications or adapt to
optimise the performance of certain hardware, such as
in the case of telecommunications routers and
switches that can have additional networking func-
tions integrated into their operating system. So while
the UNIX and Microsoft Windows family of operating
systems have dominated .
Cisco Network Convergence System: Building the Foundation for the Internet of...Cisco Service Provider
Cisco Network Convergence System (NCS) is a family of integrated packet routing and transport systems designed to help service providers capture their share of the IoE Value at Stake. NCS is built on major innovations in silicon, optics and software and provides the building blocks of a multilayer converged network that intelligently manages and scales functions across its architecture.
ACG Research analyzed the business case for NCS and found it achieves massive scale via multichassis system architecture, the density and performance of its new chip set, and the extension of the control plane to virtual machines (VM) internally and externally.
The document discusses computer clusters, which involve linking multiple computers together to work as a single logical unit. Key points include: clusters allow for cost-effective high performance and availability compared to single systems; they can be configured in shared-nothing or shared-disk models; common applications include scientific computing, databases, web services, and high availability systems; and cluster middleware helps provide a single system image and improved manageability.
This document presents a distributed framework for analyzing multimodal data from multiple sensors. The framework uses a publish/subscribe architecture to synchronize data collection across sensor nodes. Data is streamed from sensor nodes to processing nodes for analysis. To validate the framework, researchers built a multimodal learning system that collected audio, video, and motion data from presentations to provide feedback. Fifty-four students tested the system, which received positive feedback regarding usability and learning experience. The distributed framework allows scalable and efficient multimodal data collection and analysis.
This document provides an overview of wireless sensor network software architecture. It discusses the key components of WSNs including sensing units, processing units, power suppliers, and communication devices. It then examines various topics related to WSN software architecture, including network topologies, the IEEE 1451 standard for smart sensors, software architecture components like operating systems and middleware, services in sensor networks, and research challenges around security. The goal is to provide a reliable software architecture for WSNs to enable better performance and functionality.
This document provides an overview of building management systems and the interdependencies between different building subsystem data sources. It discusses how building services like HVAC, lighting, and security systems are integrated at the design stage. Standard communication protocols like BACnet allow for data sharing and interoperability between different building automation systems. BACnet defines objects, properties, services and network layers to facilitate communication between devices. The large amounts of data generated from building subsystem meters and sensors can be analyzed to optimize building performance when stored and shared using open standard protocols.
This document defines and compares the two major types of network operating systems (NOS): peer-to-peer and client/server. A NOS is an operating system designed to support sharing of resources like files, printers, and applications between computers in a network. In a peer-to-peer NOS, all computers have equal abilities to access shared resources without a central server. In a client/server NOS, functions are centralized on dedicated file servers that provide resources to individual workstations or clients. Examples of each type and their relative advantages and disadvantages are provided.
Networking
topic covered in this
Introduction to Networking. Types of Networking. Basic Hardware Requirements for Networking. Additional Components Required for Networking. Transmission Media. Protocols. Switching Techniques Multiplexing
The document provides an overview of the seven layers of the OSI model:
1) The physical layer defines physical connections and transmission of raw bit streams.
2) The data link layer provides addressing and error checking for data transmission between systems on a local network.
3) The network layer establishes logical addressing to route packets across multiple networks and provides fragmentation and reassembly of packets.
4) The transport layer offers reliable or unreliable data transmission and handles issues like flow control and multiplexing of data streams.
5) The session layer manages communication sessions, synchronizing data flow between endpoints.
Chap 01 lecture 1distributed computer lectureMuhammad Arslan
This document provides an introduction to distributed systems, including definitions, goals, challenges, and examples. It defines a distributed system as a collection of independent computers that appear as a single system to users. The main goals are resource sharing, transparency, openness, and scalability. Some challenges include unreliable networks and false assumptions about network properties. Examples discussed include cluster computing, grid computing, transaction processing systems, sensor networks, and electronic health care systems.
Similar to Total Cost of Ownership Evaluation for Network Centric Systems of Systems (20)
"High positioning accuracy and precise time transfer with PPP GNSS receivers"Marco Lisi
This document discusses recent developments in GNSS technologies that enable high-accuracy positioning capabilities. It describes how real-time kinematic (RTK) and precise point positioning (PPP) techniques can provide positioning accuracy at the centimeter-level. It also discusses how systems like Galileo are working to provide free high-accuracy services to all users. Finally, it outlines how new multi-constellation, dual-frequency GNSS receivers will enable centimeter-level accuracy for mass market applications like smartphones.
"Performance Specification of Active Antenna Systems"Marco Lisi
This document discusses the specification and testing of active antenna systems (AAS). It begins by defining what constitutes an AAS and provides some key examples of AAS applications. It then discusses the history of defining performance specifications for AAS, including early work by IEEE and ESA. Specifying factors for AAS includes effective isotropic radiated power (EIRP), gain over system temperature (G/T) ratio, and other system-level metrics. The document also outlines challenges in testing AAS and different proposed methods, including conducted tests and over-the-air radiated tests.
The document discusses performance specifications for active antenna systems (AAS). It notes that AAS have gained increasing interest and usage for both space and ground applications. Testing of complex, high frequency AAS used for 4G/5G has raised new issues around conducted versus over-the-air testing. It suggests a wise approach is a combination of conducted and OTA testing, combined with analysis, depending on the project phase. The advent of massive MIMO antennas for 5G applications has further driven interest and challenges in AAS specification and testing.
My keynote presentation on "Integration and Fusion of PNT, Remote Sensing and Telecommunications Infrastructures" at the International Symposium on Networks, Computers and Communications, Rome, 19 June 2018.
Galileo is Europe's initiative for a global satellite navigation system providing precise positioning under civilian control. It will be interoperable with GPS and GLONASS, consisting of 30 satellites plus spares when complete. Precise timing from Galileo's onboard atomic clocks, accurate to 1 second every 3 million years, will support applications like power grids, financial networks, UAVs, autonomous vehicles, and emergency response.
An Introduction to Service Systems Engineering (SSE)Marco Lisi
- The document provides an introduction to service systems engineering (SSE) and discusses the transition to a service-based economy.
- Key points made include that services are becoming more important, service systems are often critical infrastructure, and engineering such systems requires a holistic and customer-focused approach.
- The document contrasts a traditional product focus with the new perspective of focusing on capabilities and services provided through complex, technology-enabled systems.
"Integration and Fusion of Space and Ground Technologies and Infrastructures"Marco Lisi
My presentation at the joint 23rd Ka and Broadband Communications Conference and 35th AIAA International Communications Satellite Systems Conference (ICSSC) in Trieste, Italy, October 16 -19 2017.
Satellite Link Budget_Course_Sofia_2017_LisiMarco Lisi
This document provides an introduction and overview of satellite link budgets. It begins with definitions of key terms used in link budgets such as antenna directivity, gain, effective isotropic radiated power (EIRP), free space path loss, noise figure, and signal-to-noise ratio (SNR). It then explains the Friis transmission equation and how it is used to calculate the received power in a satellite link. Additional factors that impact the link budget are also covered such as atmospheric losses, antenna noise temperature, and modulation schemes. The document concludes by outlining the procedure for calculating an example satellite downlink budget.
"Initial Services", the new phase of the Galileo programMarco Lisi
The Galileo satellite navigation system declared its "Initial Services" operational in December 2016. This marked the beginning of Galileo providing positioning, navigation, and timing services to European and global users, though with limited capabilities due to an incomplete satellite constellation. The "Initial Services" include open services with global availability, as well as search and rescue services. While performance is lower than when Galileo is complete, the initial services provide immediate benefits to users and open the door to important regulated services in Europe. The declaration of initial services confirms the strategic and technological value of the Galileo program for Europe.
"Initial Services: la nuova fase del programma Galileo", article in Italian published on Geomedia.
"Il 15 dicembre dello scorso anno, nel corso di una cerimonia alla quale hanno partecipato tutti i principali personaggi del programma Galileo a livello istituzionale (la Commissaria Bienkovska ed il Commissario Sefcovich per la Commissione Europea, il Direttore Generale prof. Woerner ed il Direttore dei Programmi di Navigazione Paul Verhoef per l’ESA, il Direttore Esecutivo Carlo Des Dorides per la GSA), sono stati dichiarati
ufficialmente operativi i “Galileo Initial Services”.
Economia dei servizi: una visione sistemicaMarco Lisi
Economia dei servizi: Una visione sistemica
Per far sì che un sistema tecnologico divenga un ‘sistema di servizio’, che abbia cioè al centro la customer satisfaction, è necessario che all’infrastruttura tecnologica si aggiungano in una configurazione dinamica risorse umane, organizzazione e informazione condivisa.
2017 Ka-band and AIAA ICSSC Joint Conference -TriesteMarco Lisi
2017 Joint Conference
Commercial Space Applications:
Transformation, Fusion and Competition
Trieste, Italy • Excelsior Palace Hotel • October 17-19, 2017
A COMMUNICATIONS AND PNT INTEGRATED NETWORK INFRASTRUCTURE FOR THE MOON VILLAGEMarco Lisi
This document discusses proposals for establishing a communications and navigation network to support human and robotic exploration of the Moon. It summarizes past ESA studies on using GPS and developing lunar navigation and communication satellites. It then proposes a modular, expandable approach using commercial off-the-shelf (COTS) technologies like LTE and the forthcoming 5G standard. This COTS-based lunar network would provide reliable communication and navigation services to support colonization of the Moon and Mars through permanent base stations. It would satisfy requirements for performance, reliability, affordability and sustainability by leveraging commercial technologies and allowing incremental expansion over time.
How ubiquitous localization (GNSS), sensing (IoT) and communications (5G) are mapping our planet.
Presentation at the Aerospace & Defense Forum 2016, 14 June, Reading, UK.
"GNSS-based Timing for Power Grids and other Critical Infrastructures"Marco Lisi
- Future power grids require precise time synchronization from GNSS systems like Galileo to efficiently transmit power and minimize blackouts.
- GNSS provides timing for critical infrastructures like power, transportation, telecom and more, with timing being the most essential service.
- Europe is developing an independent, reliable timing reference through Galileo to support all of its critical infrastructure.
Building RAG with self-deployed Milvus vector database and Snowpark Container...Zilliz
This talk will give hands-on advice on building RAG applications with an open-source Milvus database deployed as a docker container. We will also introduce the integration of Milvus with Snowpark Container Services.
Climate Impact of Software Testing at Nordic Testing DaysKari Kakkonen
My slides at Nordic Testing Days 6.6.2024
Climate impact / sustainability of software testing discussed on the talk. ICT and testing must carry their part of global responsibility to help with the climat warming. We can minimize the carbon footprint but we can also have a carbon handprint, a positive impact on the climate. Quality characteristics can be added with sustainability, and then measured continuously. Test environments can be used less, and in smaller scale and on demand. Test techniques can be used in optimizing or minimizing number of tests. Test automation can be used to speed up testing.
Enchancing adoption of Open Source Libraries. A case study on Albumentations.AIVladimir Iglovikov, Ph.D.
Presented by Vladimir Iglovikov:
- https://www.linkedin.com/in/iglovikov/
- https://x.com/viglovikov
- https://www.instagram.com/ternaus/
This presentation delves into the journey of Albumentations.ai, a highly successful open-source library for data augmentation.
Created out of a necessity for superior performance in Kaggle competitions, Albumentations has grown to become a widely used tool among data scientists and machine learning practitioners.
This case study covers various aspects, including:
People: The contributors and community that have supported Albumentations.
Metrics: The success indicators such as downloads, daily active users, GitHub stars, and financial contributions.
Challenges: The hurdles in monetizing open-source projects and measuring user engagement.
Development Practices: Best practices for creating, maintaining, and scaling open-source libraries, including code hygiene, CI/CD, and fast iteration.
Community Building: Strategies for making adoption easy, iterating quickly, and fostering a vibrant, engaged community.
Marketing: Both online and offline marketing tactics, focusing on real, impactful interactions and collaborations.
Mental Health: Maintaining balance and not feeling pressured by user demands.
Key insights include the importance of automation, making the adoption process seamless, and leveraging offline interactions for marketing. The presentation also emphasizes the need for continuous small improvements and building a friendly, inclusive community that contributes to the project's growth.
Vladimir Iglovikov brings his extensive experience as a Kaggle Grandmaster, ex-Staff ML Engineer at Lyft, sharing valuable lessons and practical advice for anyone looking to enhance the adoption of their open-source projects.
Explore more about Albumentations and join the community at:
GitHub: https://github.com/albumentations-team/albumentations
Website: https://albumentations.ai/
LinkedIn: https://www.linkedin.com/company/100504475
Twitter: https://x.com/albumentations
In the rapidly evolving landscape of technologies, XML continues to play a vital role in structuring, storing, and transporting data across diverse systems. The recent advancements in artificial intelligence (AI) present new methodologies for enhancing XML development workflows, introducing efficiency, automation, and intelligent capabilities. This presentation will outline the scope and perspective of utilizing AI in XML development. The potential benefits and the possible pitfalls will be highlighted, providing a balanced view of the subject.
We will explore the capabilities of AI in understanding XML markup languages and autonomously creating structured XML content. Additionally, we will examine the capacity of AI to enrich plain text with appropriate XML markup. Practical examples and methodological guidelines will be provided to elucidate how AI can be effectively prompted to interpret and generate accurate XML markup.
Further emphasis will be placed on the role of AI in developing XSLT, or schemas such as XSD and Schematron. We will address the techniques and strategies adopted to create prompts for generating code, explaining code, or refactoring the code, and the results achieved.
The discussion will extend to how AI can be used to transform XML content. In particular, the focus will be on the use of AI XPath extension functions in XSLT, Schematron, Schematron Quick Fixes, or for XML content refactoring.
The presentation aims to deliver a comprehensive overview of AI usage in XML development, providing attendees with the necessary knowledge to make informed decisions. Whether you’re at the early stages of adopting AI or considering integrating it in advanced XML development, this presentation will cover all levels of expertise.
By highlighting the potential advantages and challenges of integrating AI with XML development tools and languages, the presentation seeks to inspire thoughtful conversation around the future of XML development. We’ll not only delve into the technical aspects of AI-powered XML development but also discuss practical implications and possible future directions.
Maruthi Prithivirajan, Head of ASEAN & IN Solution Architecture, Neo4j
Get an inside look at the latest Neo4j innovations that enable relationship-driven intelligence at scale. Learn more about the newest cloud integrations and product enhancements that make Neo4j an essential choice for developers building apps with interconnected data and generative AI.
Introducing Milvus Lite: Easy-to-Install, Easy-to-Use vector database for you...Zilliz
Join us to introduce Milvus Lite, a vector database that can run on notebooks and laptops, share the same API with Milvus, and integrate with every popular GenAI framework. This webinar is perfect for developers seeking easy-to-use, well-integrated vector databases for their GenAI apps.
Unlock the Future of Search with MongoDB Atlas_ Vector Search Unleashed.pdfMalak Abu Hammad
Discover how MongoDB Atlas and vector search technology can revolutionize your application's search capabilities. This comprehensive presentation covers:
* What is Vector Search?
* Importance and benefits of vector search
* Practical use cases across various industries
* Step-by-step implementation guide
* Live demos with code snippets
* Enhancing LLM capabilities with vector search
* Best practices and optimization strategies
Perfect for developers, AI enthusiasts, and tech leaders. Learn how to leverage MongoDB Atlas to deliver highly relevant, context-aware search results, transforming your data retrieval process. Stay ahead in tech innovation and maximize the potential of your applications.
#MongoDB #VectorSearch #AI #SemanticSearch #TechInnovation #DataScience #LLM #MachineLearning #SearchTechnology
“An Outlook of the Ongoing and Future Relationship between Blockchain Technologies and Process-aware Information Systems.” Invited talk at the joint workshop on Blockchain for Information Systems (BC4IS) and Blockchain for Trusted Data Sharing (B4TDS), co-located with with the 36th International Conference on Advanced Information Systems Engineering (CAiSE), 3 June 2024, Limassol, Cyprus.
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.
Sudheer Mechineni, Head of Application Frameworks, Standard Chartered Bank
Discover how Standard Chartered Bank harnessed the power of Neo4j to transform complex data access challenges into a dynamic, scalable graph database solution. This keynote will cover their journey from initial adoption to deploying a fully automated, enterprise-grade causal cluster, highlighting key strategies for modelling organisational changes and ensuring robust disaster recovery. Learn how these innovations have not only enhanced Standard Chartered Bank’s data infrastructure but also positioned them as pioneers in the banking sector’s adoption of graph technology.
Essentials of Automations: The Art of Triggers and Actions in FMESafe Software
In this second installment of our Essentials of Automations webinar series, we’ll explore the landscape of triggers and actions, guiding you through the nuances of authoring and adapting workspaces for seamless automations. Gain an understanding of the full spectrum of triggers and actions available in FME, empowering you to enhance your workspaces for efficient automation.
We’ll kick things off by showcasing the most commonly used event-based triggers, introducing you to various automation workflows like manual triggers, schedules, directory watchers, and more. Plus, see how these elements play out in real scenarios.
Whether you’re tweaking your current setup or building from the ground up, this session will arm you with the tools and insights needed to transform your FME usage into a powerhouse of productivity. Join us to discover effective strategies that simplify complex processes, enhancing your productivity and transforming your data management practices with FME. Let’s turn complexity into clarity and make your workspaces work wonders!
For the full video of this presentation, please visit: https://www.edge-ai-vision.com/2024/06/building-and-scaling-ai-applications-with-the-nx-ai-manager-a-presentation-from-network-optix/
Robin van Emden, Senior Director of Data Science at Network Optix, presents the “Building and Scaling AI Applications with the Nx AI Manager,” tutorial at the May 2024 Embedded Vision Summit.
In this presentation, van Emden covers the basics of scaling edge AI solutions using the Nx tool kit. He emphasizes the process of developing AI models and deploying them globally. He also showcases the conversion of AI models and the creation of effective edge AI pipelines, with a focus on pre-processing, model conversion, selecting the appropriate inference engine for the target hardware and post-processing.
van Emden shows how Nx can simplify the developer’s life and facilitate a rapid transition from concept to production-ready applications.He provides valuable insights into developing scalable and efficient edge AI solutions, with a strong focus on practical implementation.
Cosa hanno in comune un mattoncino Lego e la backdoor XZ?Speck&Tech
ABSTRACT: A prima vista, un mattoncino Lego e la backdoor XZ potrebbero avere in comune il fatto di essere entrambi blocchi di costruzione, o dipendenze di progetti creativi e software. La realtà è che un mattoncino Lego e il caso della backdoor XZ hanno molto di più di tutto ciò in comune.
Partecipate alla presentazione per immergervi in una storia di interoperabilità, standard e formati aperti, per poi discutere del ruolo importante che i contributori hanno in una comunità open source sostenibile.
BIO: Sostenitrice del software libero e dei formati standard e aperti. È stata un membro attivo dei progetti Fedora e openSUSE e ha co-fondato l'Associazione LibreItalia dove è stata coinvolta in diversi eventi, migrazioni e formazione relativi a LibreOffice. In precedenza ha lavorato a migrazioni e corsi di formazione su LibreOffice per diverse amministrazioni pubbliche e privati. Da gennaio 2020 lavora in SUSE come Software Release Engineer per Uyuni e SUSE Manager e quando non segue la sua passione per i computer e per Geeko coltiva la sua curiosità per l'astronomia (da cui deriva il suo nickname deneb_alpha).
Dr. Sean Tan, Head of Data Science, Changi Airport Group
Discover how Changi Airport Group (CAG) leverages graph technologies and generative AI to revolutionize their search capabilities. This session delves into the unique search needs of CAG’s diverse passengers and customers, showcasing how graph data structures enhance the accuracy and relevance of AI-generated search results, mitigating the risk of “hallucinations” and improving the overall customer journey.
TrustArc Webinar - 2024 Global Privacy SurveyTrustArc
How does your privacy program stack up against your peers? What challenges are privacy teams tackling and prioritizing in 2024?
In the fifth annual Global Privacy Benchmarks Survey, we asked over 1,800 global privacy professionals and business executives to share their perspectives on the current state of privacy inside and outside of their organizations. This year’s report focused on emerging areas of importance for privacy and compliance professionals, including considerations and implications of Artificial Intelligence (AI) technologies, building brand trust, and different approaches for achieving higher privacy competence scores.
See how organizational priorities and strategic approaches to data security and privacy are evolving around the globe.
This webinar will review:
- The top 10 privacy insights from the fifth annual Global Privacy Benchmarks Survey
- The top challenges for privacy leaders, practitioners, and organizations in 2024
- Key themes to consider in developing and maintaining your privacy program
Unlocking Productivity: Leveraging the Potential of Copilot in Microsoft 365, a presentation by Christoforos Vlachos, Senior Solutions Manager – Modern Workplace, Uni Systems
Pushing the limits of ePRTC: 100ns holdover for 100 daysAdtran
At WSTS 2024, Alon Stern explored the topic of parametric holdover and explained how recent research findings can be implemented in real-world PNT networks to achieve 100 nanoseconds of accuracy for up to 100 days.