1. 1 Presentation_ID © 1999, Cisco Systems, Inc. Programmable Networks OPENSIG-99 Industry Panel John Hopprich

2. 2 OPENSIG-99 Industry Panel © 1999, Cisco Systems, Inc. www.cisco.com ISP1 Extranet Data POTSWireless ISDN Switch Direct Access Today’s Network Environment WWW DEN WWW Web Access WWW Web ServersData Servers Data Business Processing Data Network Management Data Internal users Intranet

3. 3 OPENSIG-99 Industry Panel © 1999, Cisco Systems, Inc. www.cisco.com Economics of Growth Explosive growth of topology Explosive growth in complexity Both factors have made deployment, provisioning, and management much more complex and labour intensive

4. 4 OPENSIG-99 Industry Panel © 1999, Cisco Systems, Inc. www.cisco.com Consistent Policies Users Applications Computers Services Application/ Network Integration Need for Policy Configuration Simplification Relationship Between Application and: »Network Devices »Network Services »Network Resources Meeting SLAs Implementing Business Rules Adapting to Changing Environment

5. 5 OPENSIG-99 Industry Panel © 1999, Cisco Systems, Inc. www.cisco.com Policy-Based QoS Handset Multimedia Station Signaled request for network resources along path Applications include: » VoIP » Multimedia » RRR tunnel establishment PBX Multimedia Server DiffServ: complex edge classification/conditioning enables core to perform simple per-hop forwarding Applications include: » Differentiated classes and quality of service » Multimedia and voice applications »VPNs and Tag/MPLS extensions

6. 6 OPENSIG-99 Industry Panel © 1999, Cisco Systems, Inc. www.cisco.com Policy Definition Combined PDP and PEP Directory Policy Architecture Network QoS PDP #1 Proxy 1Proxy 2 Security PDP #1 Policy Tools (Including Validation and Conflict Detection Logic) Policy Enforcement Points (PEP) Policy Server Policy Decision Points (PDP) COPS LDAP legacy

7. 7 OPENSIG-99 Industry Panel © 1999, Cisco Systems, Inc. www.cisco.com Rapidly create, provision and deploy advanced networking services on a per user basis Centralized management of network resources Single network logon Personalized network services Easy access to advanced network services Develop network-aware applications using standard development interfaces and tools Protect mission-critical traffic Simplify and enhance network management and provisioning Benefits of Directory Enabled Networks Enterprise Customers ServiceProviders End-Users Application Developers Directory Enabled Network Services

8. 8 OPENSIG-99 Industry Panel © 1999, Cisco Systems, Inc. www.cisco.com Programmable Networks Network and its constituent devices must become more intelligent Support third-party value-added services Support dynamic and customized resource management Can achieve this through middleware and policy-based networking

9. 9 OPENSIG-99 Industry Panel © 1999, Cisco Systems, Inc. www.cisco.com Evolution Self configuring help deploy network infrastructure and services Self healing fix network problems in real-time Move towards a biological model

10. 10 OPENSIG-99 Industry Panel © 1999, Cisco Systems, Inc. www.cisco.com Areas of Concern Security Hacking a network node can cause more damage than hacking a server Performance Balancing the extra demands of a programmatic interface v. moving packets Reliability Don’t want to increase flexibility at the cost of decreasing reliability

11. 11 OPENSIG-99 Industry Panel © 1999, Cisco Systems, Inc. www.cisco.com