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How to Select the Right Network Function Virtualization
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White paper,Cisco Public,Contents Why selecting the right platform matters. Why selecting the right platform Network operators use several deployment frameworks and architectures. matters The options vary across single vendor vertical stacks horizontal. disaggregated do it yourself DIY stacks and horizontal modular platforms. Best practice for NFV platforms with multi tenanted virtual network functions VNFs Among these three. The Cisco NFVI solution approaches operators today tend to choose a platform that is open and. modular with the optimal balance of open multi function scaling carrier. Comparing the TCO of NFVI grade operational packaging and a single point of ownership. platform approaches, Deploying the right NFV platform approach for a given set of virtual network. Comparing the TCO impacts of functions can have a significant impact on streamlining operational expenses. VNF validation approaches, For telecommunication service providers SPs the promise of NFV has. Deploying NFV solutions traditionally been about lowering network total cost of ownership TCO It. offers automation and simplification of network operation while improving. Learn more, service agility However like all new technologies over time the hype of. expectation subsides challenges are overcome and the true benefits are. Figure 1 NFV hype cycle so far, 2019 Cisco and or its affiliates All rights reserved.
White paper,Cisco Public, Today after several years of real world implementation. NFV has become mainstream for new service provider. Best practice for NFV platforms, functions It s mainly used for mobile core and virtual Like all new technologies over time NFV has gone. network services with cloud based management with through a hype of expectation faced realities about real. deployments globally in mainly central and regional world deployment challenges and is now maturing to. telco data centers For instance Cisco has deployed best practices where the true benefits are revealed. virtual packet core VPC virtualized managed services. Figure 2 shows several approaches to implementing, and virtualized infrastructure services in more than 100. an NFV platform stack Cisco products are listed as. networks over the past three years, examples for each layer but the same principles apply. As the industry hits the hype cycle slope of for other products as well. enlightenment observers are now able to ascertain, Over time it appears that the vertical approach using.
the best practice approach in NFV system design, fixed configuration isn t capital efficient for some service. and operations NFV is also seen as fundamental, providers because of a limited economy of scale and. for emerging architectural shifts including 5G core. the potential for underutilized capacity assets Whereas. multiaccess edge computing MEC and cloud native,the DIY approach promises horizontal scaling the. Figure 2 NFV platform stack approaches, 2019 Cisco and or its affiliates All rights reserved. White paper,Cisco Public, complexities of integration and operations creates the platform is packaged in modules for lifecycle.
prohibitive additional costs This struggle is one only management and open to supporting a wider variety of. large service providers are equipped to navigate For VNFs for horizontal scaling and breadth of functionality. most service providers the most efficient approach is Figure 3 shows how the operational implications of these. likely to be somewhere between the extremes where approaches translate into operational cost OpEx. Figure 3 Operational implications of different NFV platform stack approaches. The Cisco NFVI solution, The Cisco NFV Infrastructure solution uses Open Source performance It also offers carrier grade high availability. hardware and software components coupled with an automated day 0 deployment and smart day 1 2. integrated and certified design for high throughput and operation tools. Figure 4 Scope of Cisco NFVI Solution with Preintegrated and validated system. 2019 Cisco and or its affiliates All rights reserved. White paper,Cisco Public, The Cisco NFVI Infrastructure helps telco operators Faster service delivery and time to market. and service providers achieve better TCO while Modular design for rapid and efficient deployment. simplifying service delivery and reducing cost with high. performance lifecycle management Some of the key Integrated validated and certified design. attributes and value of Cisco NFVI Solution include reduces deployment from month to weeks. Hardware and software upgrades,Optimized architecture made modular and simpler. Specialized for virtualized service delivery General multivendor and opensource NFV. Designed to support NFV evolution,optimized investment Comparing the TCO of NFVI. Integrated solution that avoids risks and cost platform approaches. Scale to support edge architecture with Cisco has worked with ACG Business Analytics to. centralized storage and management quantify the OpEx savings that can be expected by. Network data center SDN that supports bare choosing the right NFVI approach for a given network. metal OpenStack and Kubernetes function requirement. Simplified operations Many operators deploy siloed NFVI and virtualized. infrastructure manager VIM architecture for specific. Fully instrumental for carrier class operations, network solutions provided by a single vendor for quick.
Simple automated installation inclusive of way to deploy NFV This approach uses dedicated. hardware and OpenStack services infrastructure orchestration and management tools. Designed for reliable upgrade with telemetry which lead to higher CapEx and OpEx as more VNFs are. and visibility to identify hot spots added, Simplified E2E operation and complexity of virtualization. Figure 5 Study of OpEx impacts of siloed vertical vs DIY horizontal NFVI platforms. 2019 Cisco and or its affiliates All rights reserved. White paper,Cisco Public, For example when compared to building four separate Consistent configuration management. vertical platforms to support different mobile core audit management and security. functions building one horizontal platform results in a 14 policy across four use cases. percent improvement in OpEx over a three year period Centralized OpenStack and software upgrades. Note there are other benefits such as faster time to. revenue from faster time to market and reduced CapEx Reduce the amount of time for. from procurement efficiency which weren t modeled in engineering and planning design. this study Telco and service providers may choose the DIY option. if they have existing proficient software and system. With vertical single function stacks the operator has engineering teams that are able to scale and support. four different siloed stacks compared to a horizontal OpenStack This support includes operations network. NFVI The operator can enjoy the reuse of the common engineering and software development Having said. building blocks which results in better operational that some of the issues and challenges of maintaining. benefits including DIY stack architecture stack include. Less integration and operation effort and Regression testing of OpenStack version. expense without redundancy in operational and infrastructure hardware and VNFs. integration work including operations support, system business support system integration Overall solution support that requires integration with. multiple vendors with complex troubleshooting,Increased network flexibility and simplicity. with end to end service and network OpenStack software and hardware installations. stitching within the telco data center that are siloed without validation check. Centralized data center DC SDN integration with Siloed monitoring tools for OpenStack. multi pod VIM layer and network operation hardware and VM instances. Non integrated security patching and hardening, Manual network integration with OpenStack services.
2019 Cisco and or its affiliates All rights reserved. White paper,Cisco Public, Figure 6 shows that with Cisco Modular NFVI operators Improved VNF and hardware onboarding. gain benefits and efficiencies that include process and complexity. Integrated monitoring tools of Centralized configuration management. OpenStack and infrastructure Automated network underlay and. Improved security patches for overlay with Cisco SDN. OpenStack and Linux vulnerability Miscellaneous expenses such as services. Automated software upgrades assurance software licenses testing. development and benchmarking are reduced, Figure 6 Study of the OpEx impacts of DIY horizontal vs Cisco Open Modular NFVI platforms. 2019 Cisco and or its affiliates All rights reserved. White paper,Cisco Public, Comparing the TCO impacts of VNF validation approaches. In the second part of our TCO study with ACG Business The results of the model showed significant work force. Analytics we modeled a virtual mobile packet core efficiencies when deploying and managing pre validated. deployment through a four year period with network VNFs Although it was not modeled in this study we. growth The NFVI platform was the Cisco open modular project even more significant business benefits because. NFVI In the first scenario VNFs taken by the operator of the faster time to attain new capacity or services. that were not pre validated We compare this scenario deployed. to pre validated VNFs either Cisco VNFs or from third. Figure 7 Breakdown of OpEx savings with Cisco Modular NFVI. 2019 Cisco and or its affiliates All rights reserved. White paper,Cisco Public, Learn more In this case the operational efficiencies come from. To learn more about Cisco NFVI Prevalidated performance and hardware optimization. visit www cisco com go nfvi Materials processes and automation for lifecycle management. and to see edge computing Simplified security management with hardened configurations. applications visit, www cisco com go edge Global support for fault management and root cause analysis RCA.
Figure 8 Study of OpEx impacts of VNFs pre validated on Modular NFVI platforms. Deploying NFV solutions, Service providers are starting to deploy NFV solutions that promise to. improve business agility and increase service revenue To ensure the success. of these deployments it is essential that NFV applications run on a solid NFV. infrastructure that includes a flexible modular approach that can support. scale and functionality needs The Cisco NFV Infrastructure provides Cisco. integrated tested and certified solutions to run NFV network services The. primary benefits of the Cisco NFV Infrastructure are. Cisco packaged tested and certified,High performance and scalability. or its affiliates All rights reserved Cisco and the Cisco logo. egistered trademarks of Cisco and or its affiliates in the U S. To view a list of Cisco trademarks go to this URL www. High availability architecture, marks Third party trademarks mentioned are the property. owners The use of the word partner does not imply a Centralized single interface management. ship between Cisco and any other company 1110R,Automated OpenStack and hardware installation. Built in network cloud security,Lower TCO than alternatives.
2019 Cisco and or its affiliates All rights reserved Faster time to NFV based network services. Cisco and the Cisco logo are trademarks or registered. trademarks of Cisco and or its affiliates in the U S and. other countries To view a list of Cisco trademarks go. to this URL www cisco com go trademarks Third, party trademarks mentioned are the property of their. respective owners The use of the word partner does. not imply a partnership relationship between Cisco and.

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