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Building Cisco Multilayer Swithec Network(BCMSN) - Coggle Diagram
Building Cisco Multilayer Swithec Network(BCMSN)
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Cisco SONA Framework
Definition
The Cisco Service-Oriented Network Architecture (SONA) is an architectural framework.
• 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
Summary
The SONA framework guides the evolution of the enterprise network toward IIN.
• Cisco enterprise architecture with a hierarchical network model facilitates the deployment of converged networks.
• Nonhierarchical network designs do not scale and do not provide the required security necessary in a modern topology.
• Layer 2 networks do not provide adequate security or hierarchical networking.
• Router-based networks provide greater security and hierarchical networking; however, they can introduce latency issues.
Layer 3 Routing
Enterprise Composite Network Model
Issues with Multilayer Switches
in a Nonhierarchical Network
• Single point of failure for Layer 2 and Layer 3
• Underutilization of hardware
• Spanning tree complexity
• Servers not centrally located
