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Lesson 1.2: Describing Converged Network Requirements

Module 1: Converged Network Connectivity Requirements. Lesson 1.2: Describing Converged Network Requirements. Objectives. Explain the Cisco conceptual network models, such as Cisco Enterprise Architecture and Cisco hierarchical network model.

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Lesson 1.2: Describing Converged Network Requirements

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  1. Module 1: Converged Network Connectivity Requirements Lesson 1.2: Describing Converged Network Requirements

  2. Objectives • Explain the Cisco conceptual network models, such as Cisco Enterprise Architecture and Cisco hierarchical network model. • Describe the traffic conditions in a converged network. • Describe the IIN and the SONA framework.

  3. Traditional Hierarchical Model

  4. Cisco Enterprise Architecture

  5. Campus Architecture • IP Communications • mobility • advanced security Campus Architecture combines a core infrastructure of intelligent switching and routing including:

  6. Data Center Architecture • requirements for consolidation • business continuance • security The Data Center is a cohesive, adaptive network architecture supporting:

  7. Branch Architecture • security • IP communications • advanced application performance supporting thousands of remote locations/users The Branch allows enterprises to extend head-office applications and services including:

  8. Teleworker Architecture • Teleworker architecture allows enterprises to securely deliver voice and data services to remote, small or home offices.

  9. WAN Architecture • WAN architecture offers the convergence of voice, video and data services over a single IP communications network.

  10. Example: Enterprise Network

  11. Network Traffic Mix and Requirements • Converged network traffic mix: • Voice and video traffic • Voice applications traffic • Mission-critical applications traffic • Transactional traffic • Routing update traffic • Network management traffic • Bulk transfer (best-effort) and scavenger (less-than-best-effort) traffic • Key requirements: • Performance (bandwidth, delay, and jitter) • Security (access and transmission)

  12. Example: Integrated Services in a Converged Network

  13. Intelligent Information Network (IIN) • IIN integrates networked resources and information assets. • IIN extends intelligence across multiple products and infrastructure layers. • IIN actively participates in the delivery of services and applications.

  14. Phases of IIN • Three phases in building an IIN are: • Integrate transport • Integrate services • Integrate applications

  15. Cisco SONA Framework • Cisco SONA is an architectural framework. • Cisco SONA brings several advantages to enterprises: • Outlines how enterprises can evolve toward the IIN • Illustrates how to build integrated systems across a fully converged intelligent network • Improves flexibility and increases efficiency • Cisco provides an extensive product line, services, proven architectures, and experience to help the enterprises achieve their business goals.

  16. Cisco SONA Layers

  17. SONA—Networked Infrastructure Layer • The goal is “anywhere/anytime connectivity.”

  18. voice and collaboration services mobility services security and identity services storage services computer services application networking services network infrastructure virtualization services management adaptive management services SONA—Interactive Services Layer Interactive services includes:

  19. SONA—Application Layer • business applications • collaboration applications Application Layer includes:

  20. Self Check • What are the 3 building blocks of the hierarchical model? • Describe the special needs of voice and video traffic. • What types of traffic could be considered best-effort and less-than-best-effort? • What is AON? • What are the 3 layers of SONA?

  21. Summary • The traditional three-layer hierarchical model no longer completely meets the needs of large converged networks carrying voice, video, and data. IIN aligns IT resources with business priorities. • Cisco Enterprise Architecture and SONA provide a framework for deploying converged networks. • Dealing with complex traffic mixes is a key feature of Cisco Enterprise Architecture. The Service layer of SONA addresses the performance and security requirements of converged networks. • IIN aligns IT resources with business priorities. • Cisco SONA provides an evolutionary path to IIN.

  22. Q and A

  23. Resources • Business Overview of Cisco SONA • http://cisco.com/en/US/netsol/ns340/ns394/ns431/networking_solutions_white_paper0900aecd803efff3.shtml • What is IIN? • http://cisco.com/en/US/netsol/ns650/networking_solutions_market_segment_solution.html • Enterprise Architectures Poster • http://cisco.com/application/pdf/en/us/guest/netsol/ns477/c643/cdccont_0900aecd802843ce.pdf

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