Technology Directions for IP Infrastructure GH 3/7/00.

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Presentation transcript:

Technology Directions for IP Infrastructure GH 3/7/00

IPV6 IP with larger addresses Address space requirements are no longer being easily met by IPv4 This is an issue for: –GPRS mobile –3G mobile –WebTV –Pocket IP devices IPV6 appears to offer reasonable technology solutions that preserve IP integrity, reduce middleware dependancies and allow full end-to-end IP functionality Issues are concerned with co-existence with the IPv4 base and allowing full inter-working between the two protocol domains

IP Transport Requirement to carry increasing volumes of payload at increasing carriage efficiency Current focus at the IP transport technologies of –POS (Packet over Sonet) –Dynamic Packet Transport –10Gigabit Ethernet Issues of operations and management of these technologies, including robustness, resilience and progressive failure modes of operation –IP Routing protocol robustness, convergence and stability –Traffic Engineering technologies –Optical Wavelength Switching and Optical Cross-Connect technologies

IP VPNs Sharing the base packet switching platform by a collection of IP networks Issues of integrity of the platform and integrity of the offered IP service to the VPN client Critical areas of technology development include –MPLS – Multi-Protocol Label Switching –MPR – Multi-Protocol Routing –VLANS – Virtual LAN Packet Frame formats –IPSEC – end-to-end IP authentication and encryption services –QoS – various forms of Quality of Service network mechanisms –PPP / MPLS / VLAN / VC inter- working – the enterprise-wide VPN service model –Dynamic VPN technologies

IP Extensions & Refinements IP Multicast technologies –Extension of IP into support of common broadcast / conferencing models –Large-scale multicast –Small-scale multicast – conferencing IP Mobility –IP support of mobility functions for mobile nosts and mobile subnets IP QoS –IP support of distinguished service responses from the network

Services and Middleware WWW caching technologies Service provision and IP Anycast Directory technologies Multi-Lingual DNS VOIP technologies and interworking