Finding the Right Tool For The Job Network Management: Peter Charland Senior Manager, Product Marketing

January 23-25, 2008 Miami Beach Convention Center Miami, Florida USA 2 VoIP Management Needs End to end service quality Performance and availability Troubleshooting Trend analysis Inventory Reporting Multi-vendor support Centralized control Source: Yankee Group 2007

January 23-25, 2008 Miami Beach Convention Center Miami, Florida USA Devices Software services Software Systems Virtual Software Service Group/Site VoIP Service Redundancy group VoIP Application Service Application Tasks 6 1.A number of software services are supported by each server 2.An instance of a VoIP system may comprise a number of individual software services 3.VoIP systems are organized into redundancy groups that supply services 4.Virtual software service allows correlation of events at group level 5.Some services are not associated with a single VoIP system 6.Hardware can be directly included in the service 7.Media gateways are related to software services registered with media server 8.Service depends on hardware and software 9.Groups of IP phones are associated to services 1.A number of software services are supported by each server 2.An instance of a VoIP system may comprise a number of individual software services 3.VoIP systems are organized into redundancy groups that supply services 4.Virtual software service allows correlation of events at group level 5.Some services are not associated with a single VoIP system 6.Hardware can be directly included in the service 7.Media gateways are related to software services registered with media server 8.Service depends on hardware and software 9.Groups of IP phones are associated to services Telephony Infrastructure for VoIP

January 23-25, 2008 Miami Beach Convention Center Miami, Florida USA 4 VoIP Infrastructure Issues PSTN Backup router is down Service not affected, but risk of outage Media Gateway is Down Which sites or phones are affected? Device, port or card is down Which phones are affected? Host is down Which applications services are down as a result? Port is down Which applications services are down as a result? Network infrastructure problems often impact VoIP entities – need end-to-end view

January 23-25, 2008 Miami Beach Convention Center Miami, Florida USA 5 Network Infrastructure for VoIP IP Telephony Infrastructure IP Telephony Users IP LayeredOver IP Routing VoIP LayeredOver Connectivity LayeredOver MPLS LSPs Pseudo-Wire (VPLS)

January 23-25, 2008 Miami Beach Convention Center Miami, Florida USA 6 IP VoIP Operation and Management Dependencies Transport Signaling VoIP Operation –Network Services - identity and configuration –Telephony Services - voice call features –Signaling – session control, destination location –Transport – supports the call VoIP Management –Network and Telephony Infrastructure –Quality of Service (Network, Voice) Network Services DNS DHCP TFTP Telephony Services Call processing Music on hold Voic …

January 23-25, 2008 Miami Beach Convention Center Miami, Florida USA 7 VoIP Service Management Objectives Auto-discover the physical, logical and virtual entities and relationships Monitor availability and performance attributes Correlate the end to end service relationships – networks, servers, applications and storage – that impact VoIP Automate root cause analysis of problems at all layers Correlate the user experience (QoE/QoS and the end to end service relationships Calculate the impact of problems on related infrastructure elements Correlate infrastructure impacts on business services and users Automatically adapt to changes IP Telephony Users IP Telephony Infrastructure

January 23-25, 2008 Miami Beach Convention Center Miami, Florida USA 8 VoIP End-to-End Service Quality Management Model and monitor end-to-end measurements between critical components Correlate network and telephony infrastructure and user experience –MOS –Delay –Jitter –Loss Automate root-cause analysis of variance from target service levels Provide operators with actionable information to pinpoint, prioritize and resolve service-affecting problems

January 23-25, 2008 Miami Beach Convention Center Miami, Florida USA Model-Based Management 2. Cross-Domain Automation VoIP Service Management ApplicationsNetworkServersStorage App Network ApplicationsNetworkServersStorage App Network 3. Business Impact Visibility Automated Analysis & Root CauseOptimizing Use of Shared Infrastructure Discover and monitor end to end VoIP environment Objects, attributes, behaviors Relationships, dependencies Performance and availability Pinpoint problems Automate analysis Trending and capacity planning Efficiently utilize converged infrastructure Increase operational effectiveness Service level compliance Business and user impacts Lifecycle management

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