Operating System Tutorial

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Operating Systems

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Difference Between Multi-programming and Multitasking Difference between C-LOOK and C-SCAN Difference between Rotational Latency and Disk Assess Time Trap vs Interrupt Difference between C-SCAN and SSTF Difference between SCAN and FCFS Difference between Seek Time and Disk Access Time Difference between SSTF and LOOK Difference between Process and Program in the Operating System Difference between Protection and Security in Operating System

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What is Kernel and Types of Kernel What is DOS Operating System What is Thread and Types of Thread What is Process Scheduler and Process Queue What is Context Switching What is CPU Scheduling What is Producer-Consumer Problem What is Semaphore in Operating System Monitors in Operating System What is Deadlock What is Paging and Segmentation What is Demand Paging What is Virtual Memory What is a Long term Scheduler What is Page Replacement in Operating System What is BSR Mode What is Convoy Effect What is Job Sequencing in Operating System Why is it critical for the Scheduler to distinguish between I/O-bound and CPU-bound programs Why is there a Need for an Operating System


Process Management Process State Scheduling Algorithm FCFS (First-come-First-Serve) Scheduling SJF (Shortest Job First) Scheduling Round-Robin CPU Scheduling Priority Based Scheduling HRRN (Highest Response Ratio Next) Scheduling Process Synchronization Lock Variable Mechanism TSL Mechanism Turn Variable Mechanism Interested Variable Mechanism Deadlock Avoidance Strategies for Handling Deadlock Deadlock Prevention Deadlock Detection and Recovery Resource Allocation Graph Banker’s Algorithm in Operating System Fixed Partitioning and Dynamic Partitioning Partitioning Algorithms Disk Scheduling Algorithms FCFS and SSTF Disk Scheduling Algorithm SCAN and C-SCAN Disk Scheduling Algorithm Look and C-Look Disk Scheduling Algorithm File in Operating System File Access Methods in Operating System File Allocation Method Directory Structure in Operating System N-Step-SCAN Disk Scheduling Feedback Queue in Operating System Contiguous Memory Allocation in Operating System Real-time Operating System Starvation in Operating System Thrashing in Operating System 5 Goals of Operating System Advantages of Operating System Advantages of UNIX Operating System Bit Vector in Operating System Booting Process in Operating System Can a Computer Run Without the Operating System Dining Philosophers Problem in Operating System Free Space Management in Operating System Inter Process Communication in Operating System Swapping in Operating System Memory Management in Operating System Multiprogramming Operating System Multitasking Operating Systems Multi-user Operating Systems Non-Contiguous Memory Allocation in Operating System Page Table in Operating System Process Scheduling in Operating System Segmentation in Operating System Simple Structure in Operating System Single-User Operating System Two Phase Locking Protocol Advantages and Disadvantages of Operating System Arithmetic operations in binary number system Assemblers in the operating system Bakery Algorithm in Operating System Benefits of Ubuntu Operating System CPU Scheduling Criteria in Operating System Critical Section in Operating System Device Management in Operating System Linux Scheduler in Operating System Long Term Scheduler in Operating System Mutex in Operating System Operating System Failure Peterson's Solution in Operating System Privileged and Non-Privileged Instructions in Operating System Swapping in Operating System Types of Operating System Zombie and Orphan Process in Operating System 62-bit operating system Advantages and Disadvantages of Batch Operating System Boot Block and Bad Block in Operating System Contiguous and Non - Contiguous Memory Allocation in Operating System Control and Distribution Systems in Operations Management Control Program in Operating System Convergent Technologies in Operating System Convoy Effect in Operating System Copy Operating Systems to SSD Core Components of Operating System Core of UNIX Operating System Correct Value to return to the Operating System Corrupted Operating System Cos is Smart Card Operating System Cosmos Operating Systems Examples Generation of Operating System Hardware Solution in Operating System Process Control Block in Operating System Function of Kernel in Operating System Operating System Layers History of Debian Operating Systems Branches and Architecture of Debian Operating Systems Features and Packages of Debian Operating Systems Installation of Operating System on a New PC Organizational Structure and Development in Debian Operating Systems User Interface in Operating System Types Of Memory in OS Operating System in Nokia Multilevel Paging in OS Memory Mapping Techniques in OS Memory Layout of a Process in Operating System Hardware Protection in Operating System Functions of File Management in Operating System Core of Linux Operating System Cache Replacement Policy in Operating System Cache Line and Cache Size in Operating System What is Memory Mapping? Difference Between Network Operating System And Distributed Operating System What is the difference between a Hard link and a Soft Link? Principles of Preemptive Scheduling Process Scheduling Algorithms What is NOS? What is the Interrupt I/O Process? What is Time Sharing OS What is process termination? What is Time-Sharing Operating System What is Batch File File system manipulation What is Message-passing Technique in OS Logical Clock in Distributed System

Operating System in Nokia

Operations Support Systems (OSS): What are they?

For more than 30 years, traditional operations support systems (OSS) have helped communications service providers (CSPs) manage their networks. Due to the dynamic market pace demands of the 5G age, the growing need to interact with vertical industry companies, and the order of magnitude increase in network complexity, we have now hit a point where it is necessary to update these systems substantially.

As distinctive and significant to the telco sector as comparable systems are to other sectors is the use of Operations Support Systems (OSS) systems. Just think about finance operations systems in the banking business or airport operations systems in the transportation sector. The key argument is that systems created especially for particular sectors produce the best outcomes. These tools need to be updated occasionally.

What drives the need for OSS to change for the 5G era?

Let's concentrate on digital transformation to pinpoint the three major trends that make now the ideal moment to implement these changes in the telecom sector.

Operating System In Nokia

Market developments that affect operational support systems (OSS)

The time has come for CSPs to take advantage of the increased network capabilities brought on by the 5G era and advance into niche sectors more than their conventional customer markets. They will require Operations Support Systems (OSS) that enable:

  • Faster time to market and revenue for new services than ever before • New kinds of business models - particularly to interact with Enterprise vertical partners - to progress towards AI-enabled operations. Various "as a Service" business model designs will be included.
  • Swift adoption and maintenance of business Service Level Agreements (SLAs), which will come to be accepted parlance with Enterprise Partners.

Trends in technology that affect operations support systems (OSS)

The technical features of the 5G era networks and the advanced IT technologies include:

  • The 5G era networks are more complicated and functionally wealthy. However, they are software-based, which is a persuasive argument for using cutting-edge systems that can efficiently handle networks at scale.
  • Telecom operations systems can now fully benefit from the newest cloud-native IT capabilities because IT technologies have advanced and technical barriers have been removed.
  • AI/ML and other advanced analytics technologies have also matured, and the market now expects their use for use-case-based benefits.

Operation Support Systems are affected by cost constraints. (OSS)

The challenge of profitability has never been greater, and modernized systems and technology can:

  • Scalable Operating Expense (OpEx) savings through increased automation of current processes and the introduction of previously impractical new automation-native processes.
  • These skilled resources can be reassigned to bring new service offerings to market by updating these Operations Support Systems (OSS) to utilize automation and intelligence.

How can the shortcomings of the current operations support systems be fixed?

Service and network operations must change in three areas to successfully transition from these conventional Operations Support Systems (OSS).

Operating System In Nokia

Processes for company activities should change.

Here, we're referring to the procedures that must be followed to run their company. Processes for service and network operations that have been used for a long time may be better moving forward as we progress toward automation and AI-assisted operations. The goal of this endeavor is not to automate the current processes; rather, it is to research and design the best processes for the future, which in many instances, may vary from the current modes of operation.

Utilize cutting-edge IT techniques for OSS.

Here, we allude to the underlying IT and physical technologies that make up networks. We are, in fact, at a stage where service and network operations can completely utilize the entire spectrum of IT technologies because networks are now software-based and programmable.

Develop fresh perspectives and competencies for OSS employees

possibly the most significant element. When referring to the personnel in the traditional Network Operations Center (NOC) and Service Operations Center (SOC) divisions, we refer to their knowledge, experience, training, and general point of view. It will take innovative methods to the necessary skill sets and strategy that can be adopted to promote the transformation to utilize the technology and process changes fully.

Operating System In Nokia

How can you choose a dependable collaborator to help your Operations Support Systems (OSS) evolve?

Strong relationships across the operations environment will make navigating this transformative period easier. The requirement is frequently for multi-vendor, multi-domain, and multi-technology settings; this is a fact.

The best partners for enhancing service and network operations are those with goods and solutions throughout the ecosystem. These partners have a unique viewpoint and depth of knowledge. Buyers gain from the participation of partners that offer the complete complement of solutions even when they choose particular components of their ecosystem from other suppliers because they have a better grasp of how everything must function together.

According to Nokia, there are a few key routes that service and network operations should take as they develop. These routes frequently mix and cross, but they can also be different at other times. These serve as essential building blocks for the goods, services, and answers we provide:

Solutions for intent-based networks

The time when network intricacy should determine how services are positioned and made available to the market is long gone. Instead, these systems must understand and act upon information in ways that existing Operations Support Systems (OSS) cannot reduce conflict between themselves and their markets.

Benefits of the OSS "as a Service" approach

novel methods to ingest results from their vendors rather than just new ways to access hosted instances of supplier goods. To produce the desired results, the suppliers must decompose their goods in ways that make this possible.

Criteria that are pertinent to operations support systems (OSS)

It will be essential to depend on infrastructure- and application-based standards as networks and management apps become more disaggregated. Although individual vendors will still provide complete, pre-integrated solutions, buyers will need to be able to choose components that all adhere to functionalities and interfaces that are based on standards.

What requirements are you for Operations Support Systems (OSS), and how can Nokia help?

Are you looking for an end-to-end orchestration and verification system that supports multiple vendors? Or are you searching for top-tier network domain-specific administration and control tools? Nokia offers goods, services, and operational support systems (OSS) options tailored to your needs.

  • Nokia's multi-vendor framework for managing the design, implementation, and assurance of services across the various network domains is called the Digital Operations Center, which also contains the Orchestration Center and the Assurance Center.
  • The network administration solution for enterprises, mobile & packet core, cloud RAN, and traditional RAN is called Nokia NetAct. EdenNet SON offers self-organizing mobile network intelligence
  • Nokia's IP and optical network administration solution is called the Network Services Platform.
  • Nokia's cloud management tool, Cloud Operations Manager, controls the location and processing infrastructure for virtualized and containerized network tasks. Altiplano is Nokia's fixed network access management platform.

Why do new Operations Support Systems (OSS) use Nokia?

Nokia provides solutions across all practical software levels and all currently available networking areas. With this extensive portfolio, Nokia is in a unique situation to offer reliable alliances as customers determine their future course.

The fact that Nokia builds and delivers components at every level and layer gives us an intimate understanding of what is required to stitch together to optimize everything, whether or not they purchase their entire solution footprint from Nokia - and many cannot due to their procurement policies. As a result, Nokia can contribute positively to these initiatives because we are familiar with the requirements for success.

Nokia is dedicated to providing our extensive inventory while strictly upholding relevant industry standards. We frequently find ourselves accelerating the speed of these standards organizations to reduce the time between the demands of early adopters and the complete ratification of the standards to support our clients.