Benefits of Network Slicing in 5G
42 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is a primary benefit of network slicing in 5G networks?

  • Eliminates the need for resource allocation
  • Increases manual configuration workload
  • Supports only a single network topology
  • Allows for diversified services using mobile networks (correct)

How are network slicing services managed in 5G networks?

  • Only on a fixed schedule regardless of service requirements
  • Through manual adjustments for each slice
  • Using automated generation, maintenance, and termination (correct)
  • By third-party services only, without operator involvement

What challenge might arise if manual configuration is used in 5G network deployment?

  • Higher resource efficiency
  • Increased operational and maintenance challenges (correct)
  • Simplification of network architecture
  • Decreased operational costs

What role do third-party vertical industries play in the context of 5G network slicing?

<p>They can communicate slicing requirements to the operator (C)</p> Signup and view all the answers

What does E2E network slicing involve?

<p>Incorporating multiple logically separated network slices (B)</p> Signup and view all the answers

What is a major challenge faced by the existing mobile network architecture in supporting 5G services?

<p>Insufficient flexibility for diversified services (B)</p> Signup and view all the answers

Which of the following aspects is NOT a driving force behind network architecture transformation?

<p>Support for legacy systems (D)</p> Signup and view all the answers

What must 5G networks do regarding various access standards?

<p>Support co-existence of multiple standards (C)</p> Signup and view all the answers

What is crucial for multi-connectivity technologies in 5G network architecture?

<p>Coordination based on traffic and mobility (C)</p> Signup and view all the answers

How does the deployment strategy of service anchors in 5G architecture differ from previous networks?

<p>It involves real time and non-real time resource allocation (C)</p> Signup and view all the answers

What does eMBB stand for in the context of network functions?

<p>Enhanced Mobile Broadband (A)</p> Signup and view all the answers

Which type of latency is required for uRLLC in the 5G network?

<p>Ultra-low latency (C)</p> Signup and view all the answers

What type of base stations must 5G networks coordinate?

<p>Macro, micro, and pico base stations (C)</p> Signup and view all the answers

What is a characteristic of eMBB slicing?

<p>Deploys cache in the mobile cloud engine of a local DC. (A)</p> Signup and view all the answers

What is the key requirement for uRLLC slicing?

<p>Strict latency requirements. (C)</p> Signup and view all the answers

Where should RAN real-time processing function units be deployed?

<p>On-site, close to users for better latency. (B)</p> Signup and view all the answers

What benefit does mMTC slicing provide to the network?

<p>It allows for the central office resource release. (C)</p> Signup and view all the answers

What is one of the functions of the Mobile Cloud Engine in CloudRAN?

<p>To provide flexible orchestration based on service requirements. (B)</p> Signup and view all the answers

Which of the following is included in the RAN real-time functions?

<p>Link adaptation. (D)</p> Signup and view all the answers

What is one of the characteristics of the CloudRAN architecture?

<p>It implements both real-time and non-real-time functions. (D)</p> Signup and view all the answers

What primarily characterizes the resource requirements of RAN real-time functions?

<p>High real-time performance and computing load. (A)</p> Signup and view all the answers

What is a primary goal of the service-driven 5G architecture?

<p>To flexibly and efficiently meet diversified mobile service requirements (D)</p> Signup and view all the answers

Which technology supports the cloudification of 5G networks?

<p>Network Functions Virtualization (NFV) (C)</p> Signup and view all the answers

What do End-to-End (E2E) network slicing and on-demand deployment enable?

<p>Better support for diversified 5G services (B)</p> Signup and view all the answers

How does the orchestration of network capabilities impact service deployment?

<p>It significantly simplifies network functions and increases efficiency. (D)</p> Signup and view all the answers

Which element is part of the 5G architecture's management plane?

<p>Unified Database (D)</p> Signup and view all the answers

What enhances the lifecycle management processes in 5G network deployment?

<p>Improved processes for network design, service deployment, and O&amp;M (B)</p> Signup and view all the answers

What role does software-defined networking (SDN) play in 5G networks?

<p>It supports the underlying physical infrastructure for flexible service delivery. (B)</p> Signup and view all the answers

What is a consequence of the increased complexity in network deployment for 5G services?

<p>Need for enhanced lifecycle management processes. (B)</p> Signup and view all the answers

What is the primary function of the MCE in CloudRAN architecture?

<p>To provide logical central control and management (D)</p> Signup and view all the answers

Which technology does CloudRAN primarily aim to improve user experience through?

<p>High-frequency small cells in conjunction with LTE and Wi-Fi (A)</p> Signup and view all the answers

What is the impact of data aggregation from multiple subscriptions in CloudRAN?

<p>Reduces latency by 10 ms and lowers transmission costs by 15% (D)</p> Signup and view all the answers

In heterogeneous networks, what does multi-connectivity help achieve?

<p>Provide optimal user experience by integrating various technologies (D)</p> Signup and view all the answers

What is a key characteristic of the CloudRAN architecture regarding processing modules?

<p>Processing modules are integrated with access points of different modes (D)</p> Signup and view all the answers

Why cannot high-speed data in CloudRAN rely on a single frequency band?

<p>It contradicts the necessity for multi-connectivity (D)</p> Signup and view all the answers

What role does Wi-Fi play in CloudRAN's overall system?

<p>It contributes to high bandwidth and connectivity aggregation (B)</p> Signup and view all the answers

What does the cRRC function in the CloudRAN architecture help with?

<p>Facilitating multi-connectivity and new technology deployments (A)</p> Signup and view all the answers

What is the primary benefit of introducing cloud-based SON (cSON)?

<p>To enhance network capacity, coverage, and resources (D)</p> Signup and view all the answers

Which of the following statements correctly describes the role of MCE in cSON?

<p>MCE provides disaster recovery and deployment capabilities (D)</p> Signup and view all the answers

What is a consequence of not increasing the number of gateway nodes in 5G architecture?

<p>Increased complexity in gateway service configuration (D)</p> Signup and view all the answers

Why is control and user plane separation important in 5G networks?

<p>It alleviates heavy signaling loads in the network (B)</p> Signup and view all the answers

What impact will the existing gateway architecture have if it remains unchanged in a 5G environment?

<p>It will complicate service configuration and increase costs (A)</p> Signup and view all the answers

Flashcards

Diverse Service Requirements of 5G

5G networks must cater to diverse services, like video calls, mobile gaming, and IoT applications, each with their own demands on network performance. It also needs to support different cellular technology connections (5G, LTE, and Wi-Fi) and handle diverse base stations (macro, micro, pico).

Multi-Connectivity in 5G

5G networks need to work seamlessly with existing technologies like LTE and Wi-Fi. Different connections are chosen based on your phone's needs (fast speeds or reliable data), ensuring smooth data transfer even when you switch between networks.

On-Demand Deployment in 5G

5G networks are built with an adaptable structure that can handle different service needs. For example, resources can be allocated on-site for immediate needs or remotely via cloud computing, based on demands and available network resources.

Service-Specific Network Functions in 5G

5G networks utilize various network functions to provide different services, like providing high speeds for video streaming or ensuring ultra-low latency for critical applications like autonomous vehicles.

Signup and view all the flashcards

Challenges of 5G Network Architecture

The challenge of designing a 5G network architecture lies in its ability to support diverse services, manage multiple technologies, and adapt resource allocation dynamically. This requires a flexible and efficient design to meet diverse user demands.

Signup and view all the flashcards

Limitations of Legacy Mobile Network Architecture

The legacy mobile network architecture, designed for voice and basic mobile internet, lacks the flexibility needed for 5G's diverse service offerings. Its complexity with multiple versions, network equipment, and interfaces, requires transformation to accommodate 5G's demands.

Signup and view all the flashcards

Network Architecture Transformation for 5G

The transformation of the network architecture is vital for 5G's success. This change addresses the challenges posed by diverse services, multi-connectivity, on-demand deployment, and orchestration of network functions to enable a flexible and efficient network.

Signup and view all the flashcards

Driving Forces Behind 5G Network Architecture Transformation

The driving force behind the transformation of network architecture is the need to accommodate the evolving 5G landscape. This includes the increasing complexity of services, technologies, and resource allocation strategies.

Signup and view all the flashcards

Service-Driven Architecture

A concept in 5G networks where network resources are dynamically allocated based on the specific requirements of individual services. This allows for greater flexibility and efficiency in meeting diverse service demands.

Signup and view all the flashcards

Software-Defined Networking (SDN)

A paradigm shift in network management where software defines the network behavior, allowing for greater flexibility and programmable control. It separates the control plane from the data plane, enabling centralized control of network functions.

Signup and view all the flashcards

Network Function Virtualization (NFV)

A technology that allows for virtualizing network functions, replacing physical hardware with software running on general-purpose servers. This increases flexibility, reduces costs, and simplifies network management.

Signup and view all the flashcards

Network Slicing

A key benefit of NFV and SDN in 5G, where network resources are divided into logical slices dedicated to specific services. Each slice has its own dedicated resources, ensuring service isolation and performance guarantees.

Signup and view all the flashcards

Service Anchors

A key element of the 5G service-driven architecture that enables dynamic provisioning of network resources based on the specific needs of a service. These anchors act as points of access and control for various network functions.

Signup and view all the flashcards

Component-Based Network Functions

The ability to design and deploy network functions as modular components. This allows flexibility in building customized network configurations by selecting and combining different functionalities.

Signup and view all the flashcards

End-to-End (E2E) Management Plane

A set of technologies and processes that ensure seamless and efficient management of network resources across the entire network. It enables centralized control, orchestration, and monitoring of network functions.

Signup and view all the flashcards

Composable Control Function (CP)

A key enabler of the 5G service-driven architecture, enabling various core network functions to be implemented as software modules. This promotes flexibility, scalability, and rapid deployments.

Signup and view all the flashcards

What is a 5G Slicing?

A specific part of a 5G network designed to handle a particular type of service with unique demands, like high speed for video streaming or low latency for self-driving cars.

Signup and view all the flashcards

How does 5G handle diverse service needs?

5G's ability to support different types of services simultaneously by dividing the network into separate, independent slices that meet individual service requirements.

Signup and view all the flashcards

What is Mobile Cloud Engine (MCE)?

A cloud-based system in 5G that manages and allocates resources for the Radio Access Network (RAN), the part of the network that connects your phone to the tower.

Signup and view all the flashcards

What are the RAN Real Time functions?

The part of the 5G network that handles real-time tasks like scheduling connections and managing interference. It requires high performance and computing power.

Signup and view all the flashcards

What is local DC deployment?

A 5G network architecture that places the Mobile Cloud Engine (MCE) in a local data center closer to users, reducing the need for data to travel long distances.

Signup and view all the flashcards

What is central office DC deployment?

A 5G network architecture that connects the Mobile Cloud Engine (MCE) to the central office data center, enabling centralized control.

Signup and view all the flashcards

What is CloudRAN?

The process of integrating cloud computing technology into the Radio Access Network (RAN) of a 5G network, allowing for greater flexibility, scalability, and efficiency.

Signup and view all the flashcards

What is a Hybrid CloudRAN architecture?

A type of 5G network architecture that decentralizes control by deploying some functions closer to the user, while others remain in a central location. This helps to improve performance and reduce latency.

Signup and view all the flashcards

Control and User Plane Separation

A network architecture where control and user plane functions are separated. This enhances flexibility, allowing for independent scaling and upgrades of these functions.

Signup and view all the flashcards

Cloud-Native New Core Architecture

A new network architecture in 5G that separates control and user plane functions, allowing for greater flexibility, scalability, and performance. It also enables the deployment of network functions as software modules, making them more agile and cost-effective.

Signup and view all the flashcards

Cloud-based SON (cSON)

A crucial element of the Cloud-Native New Core Architecture, cSON enhances network capabilities, coverage, and resources. It utilizes cloud technology for efficient management and scaling of network functions.

Signup and view all the flashcards

MCE (Multi-Cloud Engine)

A type of server platform that can be deployed on top of the Cloud OS and COTS-based cloud infrastructure, providing carrier-grade disaster recovery, on-demand deployment, flexible scalability, and independent feature upgrades.

Signup and view all the flashcards

Advantages of CloudRAN

CloudRAN offers significant benefits compared to traditional network architectures. It simplifies network management, improves resource allocation, and lowers costs by sharing resources among different network technologies. It also enhances user experience with faster speeds and lower latency, crucial for delivering reliable high-speed data.

Signup and view all the flashcards

How does CloudRAN differ from traditional networks?

In a traditional network, the responsibility for managing data and connecting different network technologies is scattered among different base stations. CloudRAN consolidates these functions into a single entity called MCE, a centralized control and management platform, leading to a more unified and efficient network.

Signup and view all the flashcards

What is MCE and what does it do?

MCE, or Multi-Connectivity Engine, is the central brain of CloudRAN. It acts as a hub for managing different network technologies, such as LTE, 5G, and Wi-Fi. This centralization allows for efficient resource allocation and smooth transitions between different network types, ensuring optimal user experiences.

Signup and view all the flashcards

Key functions of CloudRAN's MCE

CloudRAN's MCE integrates functionalities like RAN non-real-time functions, Wi-Fi Access Control, a distributed gateway, and service-related applications. It also includes essential modules like the general control plane (cRRC) for facilitating multi-connectivity and the centralized resource management module (cRRM) for efficiently managing resources in heterogeneous networks.

Signup and view all the flashcards

Role of the cRRC in CloudRAN

The general control plane (cRRC) in CloudRAN's MCE is essential for coordinating multiple network technologies like LTE, 5G, and Wi-Fi. It smoothly handles transitions between these technologies, ensuring seamless data flow regardless of which network is being used. This seamless multi-connectivity is a major advantage of CloudRAN.

Signup and view all the flashcards

Role of the cRRM in CloudRAN

The centralized resource management module (cRRM) in CloudRAN's MCE plays a crucial role in efficiently allocating network resources. It optimizes resource allocation across multiple technologies, ensuring that the network can handle diverse demands from different users and devices. This efficient resource management is key to delivering optimal user experience and network performance.

Signup and view all the flashcards

Significance of CloudRAN in 5G

CloudRAN enables flexible and efficient deployment of 5G networks, particularly in high-frequency small cell scenarios. It simplifies network management, reduces costs, and enhances user experience with faster speeds and low latency. These benefits position CloudRAN as a key technology for driving the evolution of 5G networks.

Signup and view all the flashcards

Self-Service Agile Operation in 5G

A self-service agile operation in mobile networks enables automatic generation, maintenance, and termination of network slices based on service requirements, reducing operational costs and allowing third-party industries to input their requirements.

Signup and view all the flashcards

E2E Network Slicing

E2E (end-to-end) network slicing ensures seamless management, orchestration, and control of network resources across the entire network, from user device to core network, enabling flexible and efficient service delivery.

Signup and view all the flashcards

Third-Party Integration for Mobile Network Slicing

Third-party vertical industries can integrate with the operator's platform to input their mobile network slicing requirements, enabling customized service creation and agile network operation.

Signup and view all the flashcards

Study Notes

5G Network Architecture

  • 5G architecture is a high-level perspective, crucial for enabling diverse service requirements
  • 5G enriches the telecommunication ecosystem, driven by network architecture transformation and a service-oriented 5G architecture
  • End-to-end network slicing supports multiple industries using one physical infrastructure
  • Reconstructing RAN (Radio Access Network) with cloud technology, emphasizing multi-connectivity for high speed and reliability
  • Cloud-native core architecture simplifies the core network, using flexible network components to meet various service requirements and unified database management
  • Self-service agile operation is essential for cloud-native architecture, forming the foundation of 5G innovation

Driving Force Behind Network Architecture Transformation

  • Complex networks integrating multiple services, standards, and site types are needed for 5G
  • Coordination of multi-connectivity technologies, such as 5G, LTE, and Wi-Fi, is necessary
  • On-demand deployment of service anchors is critical for service requirements
  • Flexible orchestration of network functions will cater to versatile service needs
  • Shorter period of service deployment is essential for future network evolution, including service, deployment, and O&M lifecycle management

Service-Driven 5G Architecture

  • Aims to achieve flexible and efficient meeting of diversified mobile service requirements
  • Employs software-defined networking (SDN) and network functions virtualization (NFV) to allow for cloud-based access, transport, and core networks
  • Supports diverse 5G services, enabled by E2E network slicing, on-demand deployment of service anchors, and component-based network functioning

End-to-End Network Slicing

  • A foundation for supporting diversified 5G services
  • Based on NFV and SDN, physical infrastructure utilizes sites and three-layer DCs, including macro, micro, and pico base stations to implement the RAN real-time function
  • Supports multiple service types using a unified physical network infrastructure
  • Network slices (network topologies and function sets) are derived from a unified physical infrastructure, to reduce operator network construction costs and provide easily customizable service functions.

Reconstructing the RAN with Cloud

  • Cloud RAN architecture is crucial for RAN real-time and non-real-time functions, including access scheduling, link adaptation, power control, and interference coordination.
  • RAN real-time and non-real-time processing function units should be situated close to user location while utilizing cloud-based solutions for efficiency and cost savings

Cloud-Native New Core Architecture

  • Control and user plane separations are central to simplification of core networks
  • Distributed gateways support latency-sensitive services in 5G environments

Flexible Network Components

  • Provides needed components in network architecture for customized services
  • Focuses on implementing various network function components for service-oriented networking and deployment in a segmented network infrastructure

Unified Database Management

  • Rapid fault recovery is key for network data status (user data, policies) synchronization and shared data across data centers
  • Centralized, unified database, utilizing standard interfaces enables dynamic user data-storage and real-time backup between data centers that eases retrieval.

Self-Service Agile Operation

  • Key for providing diversified services with flexible and automatic network service generation, maintenance and termination
  • Supports automated network function deployment, service orchestration and implementation to reduce operating expenses, and enabling input for third-party vertical industries.

conclusion

  • Cloud-native architecture is the foundation of 5G innovation, using advanced technologies for better management, deployment and network performance improvement

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Quiz Team

Related Documents

5G Network Architecture PDF

Description

This quiz explores the primary benefits of network slicing in 5G networks. Test your knowledge on how this technology enhances network flexibility and resource efficiency. Understand its impact on various applications and services in the 5G ecosystem.

More Like This

Network Concepts Chapter 7 Flashcards
35 questions
Network Management Quiz 3
22 questions
Use Quizgecko on...
Browser
Browser