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AppleTalk is a proprietary suite of networking protocols developed by Apple Inc. for their Mac computers.
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AppleTalk and is
( Some newer protocols, such as Kerberos and Active Directory use DNS SRV records to identify services by name, which is much closer to the AppleTalk model.
The Apple Filing Protocol ( AFP ), formerly AppleTalk Filing Protocol, is the protocol for communicating with AppleShare file servers.
AFP is still in use in Mac OS X, even though most other AppleTalk protocols have been deprecated.
AEP ( AppleTalk Echo Protocol ) is a transport layer protocol designed to test the reachability of network nodes.
Although this market segment is now much reduced, the technologies developed in this area continue to be influential on the Internet and in both Linux and Apple Mac OS X networking — and the TCP / IP protocol has now almost completely replaced IPX, AppleTalk, NBF, and other protocols used by the early PC LANs.
LocalTalk is a particular implementation of the physical layer of the AppleTalk networking system from Apple Computer.
It is comparable to better-known protocols such as TCP / IP or AppleTalk.
Datagram Delivery Protocol ( DDP ) is a member of the AppleTalk networking protocol suite.
Its main responsibility is for socket-to-socket delivery of datagrams over an AppleTalk network.
The Apple Filing Protocol ( AFP ), formerly AppleTalk Filing Protocol, is a proprietary network protocol that offers file services for Mac OS X and original Mac OS.
An example of a managed object is ', which is a scalar object that contains a single object instance, the integer value that indicates the total number of input AppleTalk packets on a router interface.
Netatalk is a free, open-source implementation of the AppleTalk suite of protocols.
A Zone Multicast Address is datalink independent group address within the AppleTalk computer network protocol suite at which a network node receives the NBP broadcasts directed to its zone.
Routing Table Maintenance Protocol ( RTMP ) is a communication protocol used by AppleTalk to ensure that all routers on the network have consistent routing information.
AppleTalk and suite
* AppleTalk Session Protocol, a session layer protocol used by the AppleTalk suite of protocols
This was a comparatively late addition to the AppleTalk protocol suite, done when it became clear that a TCP-style reliable connection-oriented transport was needed.
At the time, Apple planned to release a suite of AppleTalk products as part of the Macintosh Office, with the LaserWriter being only the first component.
* Datagram Delivery Protocol, a networking protocol in the AppleTalk suite
AppleTalk and networking
AppleTalk was at that time the most used networking system in the world, with over three times the installations of any other vendor.
However, the loss of AppleTalk did not reduce the desire for networking solutions that combined its ease-of-use with IP routing.
" Together AARP and NBP made AppleTalk an easy-to-use networking system.
The combination of the LaserWriter, PostScript, PageMaker and the Mac's GUI and built-in AppleTalk networking would ultimately transform the landscape of computer desktop publishing.
The LaserWriter was also the first peripheral to use the LocalTalk connector and Apple ’ s unified round AppleTalk Connector Family, which allowed any variety of mechanical networking systems to be plugged into the ports on the computers or printers.
* For midrange users, the LaserWriter II NT provided PostScript support and AppleTalk networking.
Many of the built-in Macintosh peripherals can be " borrowed " by the card when in Apple II mode ( i. e. extra RAM, 3 floppy, AppleTalk networking, clock, hard disk ).
The upgraded ROM added rudimentary support for an external AppleTalk networking device which was yet to be developed.
The new firmware removed the code for the cancelled AppleTalk networking device and replaced it with support for memory cards.
With an optional AppleTalk networking card installed, it was a low cost alternative to the vastly more expensive LaserWriter.
Cheshire subsequently joined Apple and authored IETF draft proposals for Multicast DNS and DNS based Service Discovery, supporting the transition from AppleTalk to IP networking.
One example was the support of AppleTalk on Macintosh computers during the brief period in which Apple Computer supported the Open Transport networking system.
The clustered networking technology can be viewed as a precursor of Apple Computer's AppleTalk network.
Eventually, the LaserWriter and other printers were capable of being connected using AppleTalk, Apple's built-in networking system.
This necessitated the inclusion of AppleTalk, a simple networking implementation which used low-cost cabling and the same physical RS-422 serial port hardware.
As AppleTalk became useful for other types of networking, such as file sharing, the Choose Printer accessory was renamed to simply Chooser.
He claimed in the 1990s that the networking technology used for AppleTalk was based on the ( unpatented ) Cambridge Ring.
PhoneNet was an implementation of the AppleTalk networking physical layer created by Farallon Computing ( now Netopia ).
AppleTalk and protocols
One key differentiation for AppleTalk was it contained two protocols aimed at making the system completely self-configuring.
Besides AppleTalk and TCP / IP, any Ethernet network could also simultaneously carry other protocols such as DECnet, NetBEUI, and IPX.
PPP was designed to work with numerous network layer protocols, including Internet Protocol ( IP ), TRILL, Novell's Internetwork Packet Exchange ( IPX ), NBF and AppleTalk.
Modern Internet routers that handle both IPv4 and IPv6 are multiprotocol, but are simpler devices than routers processing AppleTalk, DECnet, IP, and Xerox protocols.
These concepts were later adopted for the creation of the Internet Protocol ( IP ) and other ( now deprecated ) network protocols like e. g. AppleTalk or Xerox Network Systems.
All versions of Mac OS are capable of acting as a client to an AppleShare server ( via AFP and later SMB ) over AppleTalk and TCP / IP protocols, although more recent versions of OS X have gradually removed support for AppleTalk in favor of the standard TCP / IP.
Transport Providers are implementations of network protocols such as TCP / IP, NetBIOS, and AppleTalk.
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