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Topic: Zeroconf


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 [No title]
Given that zeroconf protocols may be deployed on existing configured networks, care must be taken in their design to ensure minimum disruption to existing networks and applications.
Zeroconf protocols must be able to resolve conflicts and return the network to a consistent state after changes in network topology or other events.
Zeroconf security mechanisms must at a minimum be able to distinguish between messages originating from a device "inside" the group or a device "outside" the group.
files.zeroconf.org /draft-ietf-zeroconf-reqts-12.txt   (5525 words)

  
 Zeroconf - Wikipedia, the free encyclopedia (via CobWeb/3.1 planetlab2.cs.umd.edu)   (Site not responding. Last check: 2007-10-03)
Zeroconf or Zero Configuration Networking is a set of techniques that automatically create a usable IP network without configuration or special servers.
Without Zeroconf or something similar, a knowledgeable user must either set up special servers, like DHCP and DNS, or set up each computer's network settings by hand, which is a tedious task, and is challenging for non-technical people.
Zeroconf was pioneered by Apple Computer employee Stuart Cheshire in the company's move from AppleTalk to IP.
en.wikipedia.org.cob-web.org:8888 /wiki/Zeroconf   (1179 words)

  
 ietf-zeroconf-zmaap-02.txt
Expires: 22 April 2002 [Page 3] Internet Draft Zeroconf Multicast Allocation Protocol October 2001 sent to these addresses is limited to some subset of the internetwork.
Zeroconf Multicast Address Configuration Protocol 4.1 Protocol Overview ZMAAP is a peer-to-peer protocol that allows mini-MAASs to coordinate their multicast address allocations.
Expires: 22 April 2002 [Page 11] Internet Draft Zeroconf Multicast Allocation Protocol October 2001 Appendix A Application Programmer Interface (API) Definition The ZMAAP API will be presented as a set of abstract functions followed by language specific mappings.
ietfreport.isoc.org /idref/draft-ietf-zeroconf-zmaap   (3931 words)

  
 Upsilon Pi Epsilon » Zeroconf
Zeroconf defines a protocol analogous to a decentralized, server-less DHCP service.
With Zeroconf, if no IP configuration information is availible the connecting device randomly chooses an IP address in the range from 169.254.1.0 to 169.254.254.255, which is reserved for link-local communication.
NAT or a similar routing scheme would typically be used in addition to Zeroconf to fix this problem.
the.jhu.edu /upe/2004/01/18/zeroconf   (859 words)

  
 Zeroconf - Toward Seamless Local Networking   (Site not responding. Last check: 2007-10-03)
Zeroconf is the name of an IETF workgroup created in Septembers 1999.
Zeroconf's goal is to free the networks from the need of configuration information, coming from either an administrator, a user or a pre-configured infrastructure (i.e.
Zeroconf environments, on the other hand, are distributed and stateless systems, thus transparent and reliable.
www.supinfo-projects.com /fr/2004/yaubi_zeroconf2/introduction   (1271 words)

  
 Zero Configuration Networking (Zeroconf)
The IETF Zeroconf Working Group was chartered September 1999 and held its first official meeting at the 46th IETF in Washington, D.C., in November 1999.
Zeroconf is not limited to networks with just two hosts, but as we scale up our technologies to larger networks, we always have to be sure we haven't forgotten the two-devices (and no DHCP server) case.
Zeroconf Host Profile (draft-ietf-zeroconf-host-prof-01.txt) outlines which protocols are available that could meet the requirements specified in the requirements document.
www.zeroconf.org   (1401 words)

  
 Linux.com | Zero Configuration Networking with Linux
Zero Configuration Networking (Zeroconf) is a standard method of establishing communications between computers and allowing them to advertise and access each others' resources.
Zeroconf is generally intended for use with small ad-hoc networks such as those typically found in a home environment.
With Zeroconf, users should be able to plug two computers together with a crossover cable and instantly be able to access services hosted by one computer on the other, and vice versa.
tips.linux.com /tips/06/06/15/2012219.shtml?tid=100   (1448 words)

  
 Jakub Stachowski: Zeroconf Support in KDE   (Site not responding. Last check: 2007-10-03)
Zeroconf is a name used by IETF for several techniques that should allow you to setup and use a simple network with no need for any manual configuration.
There are also external applications supporting Zeroconf such as Mateedit, a multi-user text editor that allows concurrent editing of one file by several people at once.
Zeroconf is the direction that networking in general needs to move.
dot.kde.org /1114696139   (3987 words)

  
 Zeroconf and Python
Zeroconf (also previously called Rendezvous) is a protocol for discovering services available on the local network.
Zeroconf is used in Apple's Mac OS X for discovering printers and HTTP servers, and Apple has made their implementation freely available.
Zeroconf is small enough to be implementable from scratch; PyZeroconf is a pure Python implementation by Paul Scott Murphy, and is about 1500 lines of code.
www.amk.ca /python/zeroconf   (1559 words)

  
 O'Reilly Network -- Understanding Zeroconf and Multicast DNS
Zeroconf's ZAMAAP protocol is a simple way for devices to choose amongst themselves who gets which frequency.
Apple is 100% behind Zeroconf (unsurprisingly); an implementation of most of the specification appeared with the 10.2 (Jaguar) release of their operating system.
The younger Zeroconf camp is equally barren of gizmos; Apple, however, has wrung out a couple of press releases from the likes of HP, Lexmark, Epson, and Xerox stating intent to include Zeroconf support.
www.oreillynet.com /pub/a/wireless/2002/12/20/zeroconf.html   (3303 words)

  
 Zeroconf Networking
Zeroconf networking is an emerging field of work from the Internet Engineering Task Force, providing IP level networking without needing a network administrator.
The starting point for Zeroconf networking is to take two hosts with ethernet ports, and a cross-over cable, and have them communicate without needing to manually configure network addresses (or have one of them run an DHCP server).
This paper includes discussion of the zcip tool, which uses standard Linux interfaces to establish IP addresses for a group of hosts that are on the same network ("link local", traffic with Zeroconf source or destination addresses is never routed), which is available on kernel.org (and mirrors).
zeroconf.sourceforge.net /zeroconf-lca2003/t1.html   (602 words)

  
 Zeroconf - Toward Seamless Local Networking   (Site not responding. Last check: 2007-10-03)
Zeroconf's authors achieved this goal simply by expanding the usage of existing protocols, so that the changes needed to implement Zeroconf should be minor.
The second and last part gathers together network traffic analyses, a Zeroconf programming example, as well as a description of the enhancement attempt, whose source code is available in the appendices.
They show how Zeroconf is a great example of a powerful and useful technology, simply built by re-using existing standard protocols, in an ingenious way and, even more important, without breaking compatibility.
www.supinfo-projects.com /en/2004/yaubi_zeroconf2   (461 words)

  
 webservices.xml.com: Rendezvous with Web Services
Zeroconf is a technology, being developed in the IETF, to enable Zero Configuration IP Networking.
Apple is branding ZeroConf as Rendezvous, and using this emerging technology as a substitute for the old AppleTalk standard, using it in Mac OS 10.2 Jaguar and in some iApps like Safari.
Linux support for Zeroconf specification is under development, in the form of the zcip library.
www.xml.com /pub/a/ws/2003/06/24/rendezvous.html   (1409 words)

  
 Unix and Linux Zeroconf Networking (via CobWeb/3.1 planetlab2.cs.umd.edu)   (Site not responding. Last check: 2007-10-03)
Zeroconf protocols must not cause harm to the network when a zeroconf machine is plugged into a large network.
The long-term goal of zeroconf is to enable the creation of entirely new kinds of networked products, products that today would simply not be commercially viable because of the inconvenience and support costs involved in setting up, configuring, and maintaining a network to allow them to operate.
There is a zeroconf implementers mailing list available for any discussion of zeroconf integration issues.
zeroconf.sourceforge.net.cob-web.org:8888   (263 words)

  
 Sandy McArthur: Zeroconf
Zeroconf is the working group of the IETF for Zero Configuration Networking.
I'll let you read the website for the details but the short description is that Zeroconf is how devices on an IP network can auto-configure themselves and find each other without the typical infrastructure.
There are a few parts to zeroconf but I'm most interested in mDNS and DNS-SD.
sandy.mcarthur.org /code/zeroconf   (509 words)

  
 gridengine.info - tag zeroconf   (Site not responding. Last check: 2007-10-03)
My colleague Bill is back with a set of patches to Grid Engine that enable Zeroconf SGE behavior (grid engine service autodiscovery, no DNS or host files needed!).
The answer is largely because our hardware and software have no inherent “awareness” of other devices and services on the network, and require considerable manual effort to configure and maintain.
Zeroconf, an open protocol embraced and branded as “Rendezvous” by Apple Computer, promises to solve this problem.
gridengine.info /articles/tag/zeroconf   (433 words)

  
 Zeroconf
Zeroconf is a lightweight, fairly simple set of cross-platform protocols that can work on any system- Linux, Unix, Macintosh or Windows.
Gnarly old network admins who are accustomed to keeping a tight grip on their realms tend to be resistant to the whole idea - why, it's as free-for-all as ad-hoc wireless networking or NetBIOS, with users running rampant and sharing everything and no one is in charge.
Carla's article has quite a lot of dark humor in it: the title is "Run Zeroconf for Linux in a Snap", but the steps she outlines for that "Snap" are far from it.
aplawrence.com /Linux/zeroconf.html   (1041 words)

  
 LinuxPlanet - Reports - Zeroconf: A Net Admin's Work is Still Never Done - A Look at the Reality
If you administer a big corporate network then Zeroconf isn't going to change you life--the best you can hope for is that the branch office on the other side of town will be able to add a printer to its LAN without you or one of your staff having to go and configure it.
The Zeroconf Working Group has been working for over four years, and there is a danger that if the standards don't emerge very soon there will be such a proliferation of non-compatible equipment and protocols that using zeroconf becomes impractical.
The biggest barrier to widespread zeroconf adoption, however, is probably human: most network managers will be very unwilling to let unskilled users take control of a branch office LAN.
www.linuxplanet.com /linuxplanet/reports/5483/1   (1052 words)

  
 Zeroconf   (Site not responding. Last check: 2007-10-03)
A zeroconf name resolution protocol MUST allow host names to be mapped into IP addresses.
A zeroconf name resolution protocol SHOULD allow IP addresses to be mapped back to names.
A zeroconf name resolution protocol MUST support mechanisms to probe whether a host name is currently in use.
jan.netcomp.monash.edu.au /internetdevices/transport/zeroconf.html   (672 words)

  
 [udhcp] Fwd: Zeroconf in udhcpc   (Site not responding. Last check: 2007-10-03)
I know there are other Zeroconf initiaitives in open source world, as Busybox's zcif, and Howl, but both seem to implement Zeroconf in separate binaries.
My approach was quite different: the Zeroconf and DHCP client state machines work in the same program (udhcpc), so the user gets the best IP address the fastest possible.
I tried to touch dhcpc.c the least possible, concentrating all Zeroconf state machine in a new source file (zeroconf.c) that is not even compiled if Makefile is configured not to include Zeroconf.
udhcp.busybox.net /lists/udhcp/2005-May/000124.html   (454 words)

  
 Run Zeroconf for Linux in a Snap
Gnarly old network admins who are accustomed to keeping a tight grip on their realms tend to be resistant to the whole idea — why, it's as free-for-all as ad-hoc wireless networking or NetBIOS, with users running rampant and sharing everything and no one is in charge.
Zeroconf is coming to Linux, but it has a way to go.
Something that had me darn near homicidal was documentation that referred to using zeroconf:/ ioslave as though that were the literal URI, which is all wrong and does not work, because it's not the literal URI.
www.enterprisenetworkingplanet.com /netos/article.php/3618026   (1339 words)

  
 Zero Configuration Networking (zeroconf) Charter
Zero configuration networking is required for environments where administration is impractical or impossible, such as in the home or small office, embedded systems 'plugged together' as in an automobile, or to allow impromptu networks as between the devices of strangers on a train.
It is also possible that both modes (ZEROCONF and administered) may coexist on the same network; the modes may not be exclusive of each other.
When ZEROCONF networks or hosts which are configured using ZEROCONF protocols are connected to the big 'I' internet, they should not automatically become vulnerable to new security threats.
www.zeroconf.org /zeroconf-charter.html   (673 words)

  
 ONJava.com -- Zero Configuration Networking: Using the Java APIs, Part 1
Editor's Note: Zeroconf, also known by Apple's trade name of Bonjour, and previously as Rendezvous, offers interesting solutions to the problems of self-networking, in the potential absence of host naming and address assignment.
Zeroconf applications can advertise themselves on the network and discover available services.
Zero Configuration Networking: The Definitive Guide, by Stuart Cheshire and Daniel H. Steinberg, introduces the concepts and the many implementations of Zeroconf, including its Java API.
www.onjava.com /pub/a/onjava/excerpt/bonjour_ch08/index.html   (922 words)

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