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Networks & Service Platforms

5G Capacity Planning - Sizing in a Cloud Native Environment



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Report Summary:

Traditional network and traffic capacity-planning models that have operated well for over sixty years, no longer address the needs of 5G Core and RAN capacity planning.

In the 5G Service-Based Architecture (SBA) environment, nested, stateless 5G containerized microservices, need a new model to allocate server resources to the large number of 5G transaction queues and service flows.

This report describes a capacity-planning model based on multiserver, multiphase queuing theory that addresses the challenges of planning deployment for 5G Core functionality.

New approaches to planning compute resources closer to the edge or across the Radio Access Network (RAN) are also described.

This report and the related webinar were sponsored by HPE and Intel.

Click to Replay the Associated Webinar

Learn more about how HPE is accelerating digital service provider transformation at hpe.com/dsp/services and how Intel is helping enterprises and communication service providers with cloud-optimized and 5G-ready platforms at www.intel.com/networktransformation.


Table of Contents

INTRODUCTION: TRADITIONAL CAPACITY PLANNING

  • Capacity planning—peak period by time of day
  • Fixed resource allocation by application leads to wasted capacity
  • 5G traffic loads will be bigger and “burstier”
  • Major savings from virtualization
  • Better capacity planning and management brings multiple business benefits

NEW CAPACITY PLANNING APPROACHES—SIZING IN A CLOUD-NATIVE ENVIRONMENT

  • How containerized 5G networks differ from legacy networks
  • Capacity modeling building blocks and best practices
  • Key parameters that impact network performance
  • New capacity model to meet 5G SBA challenges
  • Applying nested outer queuing formulas to actual call flows
  • Capacity planning for high reliability and availability

RADIO ACCESS NETWORK (RAN) CAPACITY PLANNING IN A DYNAMIC ENVIRONMENT

  • RAN is evolving
  • Distributed and centralized RAN
  • Dimensioning compute for the RAN and vRAN
  • Dimensioning service and network functions on common hardware
  • Preprovisioning compute at the network edge
  • New capabilities demand flexibility and agility
  • About Hewlett Packard Enterprise
  • About Intel
  • About Strategy Analytics

APPENDIX A. CALL FLOW STEPS FOR END-TO-END 5G MUTUAL AUTHENTICATION EXAMPLE


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