© 2007 Cisco Systems, Inc. All rights reserved.DESGN v Module Summary The hierarchical network structure is composed of the access, distribution, and core layers. Based on Cisco SONA, the Cisco Enterprise Architecture provides a modular hierarchical approach for providing network infrastructure and services to all places in the network. Network infrastructure services add intelligence to the network infrastructure, supporting application awareness within the network. Network management protocols support the exchange of management information between the network management system and managed devices.
© 2007 Cisco Systems, Inc. All rights reserved.DESGN v2.02-2