© 2006 Cisco Systems, Inc. All rights reserved.ONT v1.01-1 Describe Network Requirements Describing Network Requirements.

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© 2006 Cisco Systems, Inc. All rights reserved.ONT v Describe Network Requirements Describing Network Requirements

© 2006 Cisco Systems, Inc. All rights reserved.ONT v IIN and Cisco SONA Framework

© 2006 Cisco Systems, Inc. All rights reserved.ONT v Intelligent Information Network 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. Three phases in building an IIN are: –Integrated transport –Integrated services –Integrated applications

© 2006 Cisco Systems, Inc. All rights reserved.ONT v 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

© 2006 Cisco Systems, Inc. All rights reserved.ONT v Cisco SONA Layers

© 2006 Cisco Systems, Inc. All rights reserved.ONT v Cisco Network Models

© 2006 Cisco Systems, Inc. All rights reserved.ONT v Cisco Enterprise Architecture

© 2006 Cisco Systems, Inc. All rights reserved.ONT v Cisco Hierarchical Network Model

© 2006 Cisco Systems, Inc. All rights reserved.ONT v Example: Enterprise Network

© 2006 Cisco Systems, Inc. All rights reserved.ONT v Traffic Conditions in a Converged Network

© 2006 Cisco Systems, Inc. All rights reserved.ONT v 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)

© 2006 Cisco Systems, Inc. All rights reserved.ONT v Example: Integrated Services

© 2006 Cisco Systems, Inc. All rights reserved.ONT v Summary Cisco SONA framework guides the evolution of the enterprise network toward IIN. Cisco Enterprise Architectures with a hierarchical network model facilitate the deployment of converged networks. Converged networks with their traffic mix make higher demands on the network and its resources. Performance and security are key requirements in converged networks with wireless mobility.

© 2006 Cisco Systems, Inc. All rights reserved.ONT v