1 / 19

ZERO CONFIGURATION NETWORKING

ZERO CONFIGURATION NETWORKING. PUSPARAJ MOHAPATRA SCHOOL OF INFORMATION TECHNOLOGY IIT KHARAGPUR. TOPICS TO BE COVERED. Introduction Essential network services & configuration Managing IP host configuration Architectural issues of zeroconf Status of ongoing work Future implication

ordell
Download Presentation

ZERO CONFIGURATION NETWORKING

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. ZERO CONFIGURATION NETWORKING PUSPARAJ MOHAPATRA SCHOOL OF INFORMATION TECHNOLOGY IIT KHARAGPUR

  2. TOPICS TO BE COVERED • Introduction • Essential network services & configuration • Managing IP host configuration • Architectural issues of zeroconf • Status of ongoing work • Future implication • Conclusion • Reference

  3. INTRODUCTION • Today’s growing network infrastructure • Demerits of today’s networking • Zero configuration networking --A Boon to Network Infrastructure

  4. IP CONFIGURATION PARAMETERS • IP Address • Subnet mask • Default router address • Domain name • Domain name server

  5. IP CONFIGURATION • Static configuration • Dynamic configuration • Automatic configuration • Figure:

  6. DESTINATION ADDRESS DISCOVERY There are 3 ways • IP address configuration(self) • Domain name configuration(DNS) • Service discovery(DHCP) Multicast Address Allocation:MADCAP

  7. ARCHITECTURAL ISSUES IN ZEROCONF Zeroconf constraints are : • Ease of use • Scalability • Automatic translation to & from configured networking • Secure operation • Transparency • Independence

  8. ONGOING WORK • Requirement specification by IETF group • Zeroconf protocol areas under consideration • Automatic host configuration • Service discovery • Multicast domain name to address resolution • Automatic multicast address allocation • Transition to secure operation

  9. AUTOMATIC HOST CONFIGURATION • IPV6 has address auto configuration • Claim & defend protocol is insufficient • Reclaim will be added • Link-local address

  10. CREATION OF LINK-LOCAL ADDRESS • Link-local address: well known link-local prefix+interface identifier • Interface identifier:Interface's link-layer address • Link-local prefix:FE80::0

  11. CREATION cont… • Link-local address is created after the following events: • Interface is initialized at system startup time • Interface attaches to a link for the first time • Interface is reinitiated after a temporary interface failure • Interface becomes enabled by system management having been administratively disabled

  12. MULTICAST DOMAIN NAME TO ADDRESS RESOLUTION *Multicast DNS(mdns) • Claim and defend mechanism • “stub” naming service in hosts • Hosts assign themselves a domain name with “.local” suffix • Multicast to broadcast address(224.0.0.251) • Claim & defend mechanism applies • Host can use caches.

  13. SERVICE DISCOVERY • Service allocation protocol(SLP) • Can use both in IPV4 & IPV6 • SLP agent is deployed on each host • Multicast the message with type of service attributes • 3rd party can also cache this information

  14. AUTOMATIC MULTICAST ADDRESS ALLOCATION • Allows a host to obtain an address allocation for a multicast group for the host’s own purposes • Still in development stage, but there is one protocol which will support this • Zeroconf Multicast allocation protocol (ZMAAP)

  15. Working of ZMAAP • Multicast Address Allocation Server (MAAS): A node providing multicast address allocation services to network clients. • Mini-MAAS: A service providing multicast address allocation services to applications running on the same host. Mini-MAASs cooperate to provide network-wide services in small networks without MAASs.It is local to a host. • Mini-MAAS contacts other Mini-MAAS for address allocation

  16. Translation to secure operations • Future work • Feasible inside the computers or in emergency shelters • Scale to internet • Owners & operations cannot know the presence of a network

  17. CONCLUSION

  18. REFERENCE • draft-cheshire-dnsext-multicastdns-05.txt: Stuart Cheshire, Marc Krochmal, 7th June 2005 • draft-ietf-zeroconf-zmaap-02.txt: Octavian Catrina, Dave Thaler, Bernard Aboba, Erik Guttman.org/ • http://Zeroconf Zero Configuration networking.htm  • IPv6 Stateless Address Autoconfiguration: S. Thomson, Bellcore, T.Narten  • Zero Configuration Networking: Erik GUTTMAN  •  http://zeroconf.org/ • http://www.multicastdns.org/ • http://en.wikipedia.org/wiki/zeroconf • http://en.wikipedia.org/wiki/service_location_protocol

  19. THANK YOU

More Related