Как делают GUID и на сколько он уникальный?

Я знаю что глобальный уникальный идентификатор.
А как его делают и насколько он уникальный!?

0

http://www.relib.com/code.asp?id=324

0

Виват вездесущий Smalig )

Токо мне не нада его генерить Я это умею. Мне нада знать как винды его генерит. Ну хотябы для того, что-бы посмотреть насколько ему можна доверять.

0

Насколько я слышал, они используют набор из основных компонентов компьютера, например - сетевая карта, мама, процессор.

0

Так вот интересно! Если две одинаковые машинки в один и тот-же момент времени генерят GUID какова вероятность того что он совпадет?

0

Одинаковых не бывает. Например, каждая сетевая карта маркируется уникальным (в мировом масштабе) номером.

0

В мировом масштабе !?

Если это так, тогда должен существовать какой-то номер - щетчик сетевых карт. И он должен быть доступным.

Да, если честно, я сомниваюсь, что какая-то тайландская или китайская фирма штампующая NE2000 совместимые карты знает о таком номере. В крайнем, лучшем случае она ведет свою нумерацию, а в худшем - на всех ставит номер серии.

0

kazhdomu proizvoditelyu setevyh kart, vydaetsya, opredelennyi diapazon adresov

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Список соответствия первых трех байт MAC-адреса сетевого устройства и его производителя.

000002 BBN (was internal usage only, no longer used)

00000C Cisco

00000E Fujitsu

00000F NeXT

000010 Hughes LAN Systems (formerly Sytek)

000011 Tektronix

000015 Datapoint Corporation

000018 Webster Computer Corporation Appletalk/Ethernet Gateway

00001A AMD (?)

00001B Novell (now Eagle Technology)

00001D Cabletron

00001F Cryptall Communications Corp.

000020 DIAB (Data Intdustrier AB)

000021 SC&AMPC (PAM Soft&AMPHardware also reported)

000022 Visual Technology

000023 ABB Automation AB, Dept. Q

000029 IMC

00002A TRW

000037 Oxford Metrics Ltd

00003B Hyundai/Axil Sun Sparc Station 2 clone

00003C Auspex

00003D AT&AMPT

00003F Syntrex Inc

000044 Castelle

000046 ISC-Bunker Ramo, An Olivetti Company

000049 Apricot Ltd.

00004B APT A.P.T. Appletalk WAN router

00004C NEC Corporation

00004F Logicraft 386-Ware P.C. Emulator

000051 Hob Electronic Gmbh & Co. KG

000052 ODS

000055 AT&AMPT

000058 Racore Computer Products Inc

00005A SK (Schneider & Koch in Europe and Syskonnect outside of Europe)

00005A Xerox 806 (unregistered)

00005B Eltec

00005D RCE

00005E U.S. Department of Defense (IANA)

00005F Sumitomo

000061 Gateway Communications

000062 Honeywell

000063 Hewlett-Packard LanProbe

000064 Yokogawa Digital Computer Corp

000065 Network General

000069 Concord Communications, Inc (although someone said Silicon Graphics)

00006B MIPS

00006D Case

00006E Artisoft, Inc.

000068 Rosemount Controls

00006F Madge Networks Ltd

000073 DuPont

000075 Bell Northern Research (BNR)

000077 Interphase [Used in other systems, e.g. MIPS, Motorola]

000078 Labtam Australia

000079 Networth Incorporated [was: Net Ware (?), probably an error]

00007A Ardent

00007B Research Machines

00007D Cray Research Superservers,Inc [Also Harris (3M) (old)]

00007F Linotronic [Linotype-Hell AG also reported, distributor?]

000080 Cray Communications (formerly Dowty Network Services)
[Also shows as 'Harris (3M) (new)' and/or 'Imagen(?)' elsewhere]

000081 Synoptics

000083 Optical Data Systems

000083 Tadpole Technology

000084 Aquila (?), ADI Systems Inc.(?)

000086 Gateway Communications Inc. (also Megahertz Corporation?)

000089 Cayman Systems Gatorbox

00008A Datahouse Information Systems

00008E Solbourne(?), Jupiter(?) (I've had confirming mail on Solbourne)

000092 Unisys, Cogent (both reported)

000093 Proteon

000094 Asante MAC

000095 Sony/Tektronix

000097 Epoch

000098 Cross Com

000099 Memorex Telex Corporations

00009F Ameristar Technology

0000A0 Sanyo Electronics

0000A2 Wellfleet

0000A3 Network Application Technology (NAT)

0000A4 Acorn

0000A5 Compatible Systems Corporation

0000A6 Network General (internal assignment, not for products)

0000A7 Network Computing Devices (NCD) X-terminals

0000A8 Stratus Computer, Inc.

0000A9 Network Systems

0000AA Xerox Xerox machines

0000AC Apollo

0000AE Dassault Automatismes et Telecommunications

0000AF Nuclear Data Acquisition Interface Modules (AIM)

0000B0 RND (RAD Network Devices)

0 mmunication

004023 Logic Corporation

004025 Molecular Dynamics

004026 Melco Inc

004027 SMC Massachusetts [Had:Sigma (?), maybe the 'S'?]

004028 Netcomm

00402A Canoga-Perkins

00402B TriGem

00402F Xlnt Designs Inc (XDI)

004030 GK Computer

004032 Digital Communications

004033 Addtron Technology Co., Ltd.

004036 TribeStar

004039 Optec Daiichi Denko Co Ltd

00403C Forks, Inc.

004041 Fujikura Ltd.

004043 Nokia Data Communications

004048 SMD Informatica S.A.

00404C Hypertec Pty Ltd.

00404D Telecomm Techniques

00404F Space & Naval Warfare Systems

004050 Ironics, Incorporated

004052 Star Technologies Inc

004054 Thinking Machines Corporation

004057 Lockheed-Sanders

004059 Yoshida Kogyo K.K.

00405B Funasset Limited

00405D Star-Tek Inc

004066 Hitachi Cable, Ltd.

004067 Omnibyte Corporation

004068 Extended Systems

004069 Lemcom Systems Inc

00406A Kentek Information Systems Inc

00406E Corollary, Inc.

00406F Sync Research Inc

004074 Cable and Wireless

004076 AMP Incorporated

004078 Wearnes Automation Pte Ltd

00407F Agema Infrared Systems AB

004082 Laboratory Equipment Corp

004085 SAAB Instruments AB

004086 Michels & Kleberhoff Computer

004087 Ubitrex Corporation

004088 Mobuis NuBus (Mac) combination video/EtherTalk

00408A TPS Teleprocessing Sys. Gmbh

00408C Axis Communications AB

00408E CXR/Digilog

00408F WM-Data Minfo AB

004090 Ansel Communications PC NE2000 compatible twisted-pair ethernet cards

004091 Procomp Industria Eletronica

004092 ASP Computer Products, Inc.

004094 Shographics Inc

004095 Eagle Technologies

004096 Telesystems SLW Inc

00409A Network Express Inc

00409C Transware

00409D DigiBoard Ethernet-ISDN bridges

00409E Concurrent Technologies Ltd.

00409F Lancast/Casat Technology Inc

0040A4 Rose Electronics

0040A6 Cray Research Inc.

0040AA Valmet Automation Inc

0040AD SMA Regelsysteme Gmbh

0040AE Delta Controls, Inc.

0040AF Digital Products, Inc. (DPI).

0040B4 3COM K.K.

0040B5 Video Technology Computers Ltd

0040B6 Computerm Corporation

0040B9 MACQ Electronique SA

0040BD Starlight Networks Inc

0040C1 Bizerba-Werke Wilheim Kraut

0040C2 Applied Computing Devices

0040C3 Fischer and Porter Co.

0040C5 Micom Communications Corp.

0040C6 Fibernet Research, Inc.

0040C8 Milan Technology Corp.

0040CC Silcom Manufacturing Technology Inc

0040CF Strawberry Tree Inc

0040D2 Pagine Corporation

0040D4 Gage Talker Corp.

0040D7 Studio Gen Inc

0040D8 Ocean Office Automation Ltd

0040DC Tritec Electronic Gmbh

0040DF Digalog Systems, Inc.

0040E1 Marner International Inc

0040E2 Mesa Ridge Technologies Inc

0040E3 Quin Systems Ltd

0040E5 Sybus Corporation

0040E7 Arnos Instruments & Computer

0040E9 Accord Systems, Inc.

0040EA PlainTree Systems Inc

0040ED Network Controls International Inc

0040F0 Micro Systems Inc

0040F1 Chuo Electronics Co., Ltd.

0040F4 Cameo Communications, Inc.

0040F5 OEM Engines

0040F6 Katron Computers Inc

0040F9 Combinet

0040FA Microboards Inc

0040FB Cascade Communications Corp.

0040FD LXE

0040FF Telebit Corporation Personal NetBlazer

004F4B Pine Technology Ltd.

00602F Cisco

00603E Cisco 100Mbps interface

006070 Cisco Appletalk-Ethernet interface

0080D4 Chase Limited

0080D6 Apple Mac Portable(?)

0080D7 Fantum Electronics

0080D8 Network Peripherals

0080DA Bruel & Kjaer

0080E0 XTP Systems Inc

0080E3 Coral (?)

0080E7 Lynwood Scientific Dev Ltd

0080EA The Fiber Company

0080F0 Kyushu Matsushita Electric Co

0080F1 Opus

0080F3 Sun Electronics Corp

0080F4 Telemechanique Electrique

0080F5 Quantel Ltd

0080F7 Zenith Communications Products

0080FB BVM Limited

0080FE Azure Technologies Inc

00A0D2 Allied Telesyn

00A024 3com

00A040 Apple (PCI Mac)

00AA00 Intel

00B0D0 Computer Products International

00C000 Lanoptics Ltd

00C001 Diatek Patient Managment

00C002 Sercomm Corporation

00C003 Globalnet Communications

00C004 Japan Business Computer Co.Ltd

00C005 Livingston Enterprises Inc Portmaster (OEMed by Cayman)

00C006 Nippon Avionics Co Ltd

00C007 Pinnacle Data Systems Inc

00C008 Seco SRL

00C009 KT Technology (s) Pte Inc

00C00A Micro Craft

00C00B Norcontrol A.S.

00C00D Advanced Logic Research Inc

00C00E Psitech Inc

00C00F QNX Software Systems Ltd. [also Quantum Software Systems Ltd]

00C011 Interactive Computing Devices

00C012 Netspan Corp

00C013 Netrix

00C014 Telematics Calabasas

00C015 New Media Corp

00C016 Electronic Theatre Controls

00C017 Fluke

00C018 Lanart Corp

00C01A Corometrics Medical Systems

00C01B Socket Communications

00C01C Interlink Communications Ltd.

00C01D Grand Junction Networks, Inc.

00C01F S.E.R.C.E.L.

00C020 Arco Electronic, Control Ltd.

00C021 Netexpress

00C023 Tutankhamon Electronics

00C024 Eden Sistemas De Computacao SA

00C025 Dataproducts Corporation

00C027 Cipher Systems, Inc.

00C028 Jasco Corporation

00C029 Kabel Rheydt AG

00C02A Ohkura Electric Co

00C02B Gerloff Gesellschaft Fur

00C02C Centrum Communications, Inc.

00C02D Fuji Photo Film Co., Ltd.

00C02E Netwiz

00C02F Okuma Corp

00C030 Integrated Engineering B. V.

00C031 Design Research Systems, Inc.

00C032 I-Cubed Limited

00C033 Telebit Corporation

00C034 Dale Computer Corporation

00C035 Quintar Company

00C036 Raytech Electronic Corp

00C039 Silicon Systems

00C03B Multiaccess Computing Corp

00C03C Tower Tech S.R.L.

00C03D Wiesemann & Theis Gmbh

00C03E Fa. Gebr. Heller Gmbh

00C03F Stores Automated Systems Inc

00C040 ECCI

00C041 Digital Transmission Systems

00C042 Datalux Corp.

00C043 Stratacom

00C044 Emcom Corporation

00C045 Isolation Systems Inc

00C046 Kemitron Ltd

00C047 Unimicro Systems Inc

00C048 Bay Technical Associates

00C049 US Robotics Total Control (tm) NETServer Card

00C04D Mitec Ltd

00C04E Comtrol Corporation

00C050 Toyo Denki Seizo K.K.

00C051 Advanced Integration Research

00C055 Modular Computing Technologies

00C056 Somelec

00C057 Myco Electronics

00C058 Dataexpert Corp

00C059 Nippondenso Corp

00C05B Networks Northwest Inc

00C05C Elonex PLC

00C05D L&AMPN Technologies

00C05E Vari-Lite Inc

00C060 ID Scandinavia A/S

00C061 Solectek Corporation

00C063 Morning Star Technologies Inc May be miswrite of

00C064 General Datacomm Ind Inc

00C065 Scope Communications Inc

00C066 Docupoint, Inc.

00C067 United Barcode Industries

00C068 Philp Drake Electronics Ltd

00C069 California Microwave Inc
< C0EF Abit Corporation

00C0F1 Shinko Electric Co Ltd

00C0F2 Transition Engineering Inc

00C0F3 Network Communications Corp

00C0F4 Interlink System Co., Ltd.

00C0F5 Metacomp Inc

00C0F6 Celan Technology Inc.

00C0F7 Engage Communication, Inc.

00C0F8 About Computing Inc.

00C0FA Canary Communications Inc

00C0FB Advanced Technology Labs

00C0FC ASDG Incorporated

00C0FD Prosum

00C0FF Box Hill Systems Corporation

00DD00 Ungermann-Bass IBM RT

00DD01 Ungermann-Bass

00DD08 Ungermann-Bass

020406 BBN (Bolt Beranek and Newman, Inc.)
internal usage (not registered)

020701 MICOM/Interlan DEC (UNIBUS or QBUS), Apollo, Cisco

020701 Racal-Datacom

026060 3Com

026086 Satelcom MegaPac (UK)

02608C 3Com IBM PC; Imagen; Valid; Cisco; Macintosh

02CF1F CMC Masscomp; Silicon Graphics; Prime EXL

02E6D3 BTI (Bus-Tech, Inc.) IBM Mainframes

080001 Computer Vision

080002 3Com (formerly Bridge)

080003 ACC (Advanced Computer Communications)

080005 Symbolics Symbolics LISP machines

080006 Siemens Nixdorf PC clone

080007 Apple

080008 BBN (Bolt Beranek and Newman, Inc.)

080009 Hewlett-Packard

08000A Nestar Systems

08000B Unisys

08000D ICL (International Computers, Ltd.)

08000E NCR/AT&AMPT

08000F SMC (Standard Microsystems Corp.)

080010 AT&AMPT [misrepresentation of 800010?]

080011 Tektronix, Inc.

080014 Excelan BBN Butterfly, Masscomp, Silicon Graphics

080017 National Semiconductor Corp.
(used to have Network System Corp., wrong NSC)

08001A Tiara? (used to have Data General)

08001B Data General

08001E Apollo

08001F Sharp

080020 Sun

080022 NBI (Nothing But Initials)

080023 Matsushita Denso

080025 CDC

080026 Norsk Data (Nord)

080027 PCS Computer Systems GmbH

080028 TI Explorer

08002B DEC

08002E Metaphor

08002F Prime Computer Prime 50-Series LHC300

080030 CERN

080032 Tigan

080036 Intergraph CAE stations

080037 Fuji Xerox

080038 Bull

080039 Spider Systems

08003B Torus Systems

08003D cadnetix

08003E Motorola VME bus processor modules

080041 DCA (Digital Comm. Assoc.)

080044 DSI (DAVID Systems, Inc.)

080045 ???? (maybe Xylogics, but they claim not to know this number)

080046 Sony

080047 Sequent

080048 Eurotherm Gauging Systems

080049 Univation

08004C Encore

08004E BICC [3com also reported]

080051 Experdata

080056 Stanford University

080057 Evans & Sutherland (?)

080058 ??? DECsystem-20

08005A IBM

080066 AGFA printers, phototypesetters etc.

080067 Comdesign

080068 Ridge

080069 Silicon Graphics

08006A ATTst (?)

08006E Excelan

080070 Mitsubishi

080074 Casio

080075 DDE (Danish Data Elektronik A/S)

080077 TSL (now Retix)

080079 Silicon Graphics

08007C Vitalink TransLAN III

080080 XIOS

080081 Crosfield Electronics

080083 Seiko Denshi

080086 Imagen/QMS

080087 Xyplex terminal servers

080088 McDATA Corporation

080089 Kinetics AppleTalk-Ethernet interface

08008B Pyramid

08008D XyVision XyVision machines

08008E Tandem / Solbourne Computer ?

08008F Chipcom Corp.

080090 Retix, Inc. Bridges
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