Banyan VINES
Network operating system (obsoleted)
Banyan VINES is a discontinued network operating system developed by Banyan Systems for computers running AT&T's UNIX System V.
VINES is an acronym for Virtual Integrated NEtwork Service. Like Novell NetWare, VINES's network services are based on the Xerox XNS stack.
James Allchin, who later worked as Group Vice President for Platforms at Microsoft until his retirement on January 30, 2007, was the chief architect of Banyan VINES.
VINES technology
VINES ran on a low-level protocol known as VIP—the VINES Internetwork Protocol—that was essentially identical to the lower layers of the Xerox Network Systems (XNS) protocols. Addresses consist of a 32-bit address and a 16-bit subnet that map to the 48-bit Ethernet address to route to machines. This means that, like other XNS-based systems, VINES can only support a two-level internet.
A set of routing algorithms, however, set VINES apart from other XNS systems at this level. The key differentiator, ARP (Address Resolution Protocol), allowed VINES clients to automatically set up their own network addresses. When a client first boots up, it broadcast a request on the subnet asking for servers, which responds with suggested addresses. The client used the first to respond, although the servers could hand off "better" routing instructions to the client if the network changed. The overall concept resembled AppleTalk's AARP system, with the exception that VINES required at least one server, whereas AARP functioned as peer-to-peer.
The public source identifies “Banyan VINES” as network operating system (obsoleted). This brief keeps that definition visible, then builds a research path around Banyan, VINES and Network.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jul 10, 2026. The linked authority identifier is Q731220. None of the 1 selected statements returned an explicit reference. The first chronological checks are 2007.
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This entry incorporates text from “Banyan VINES” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.