|
|
Communications protocol
In networking, a communications protocol or network protocol is the
specification of a set of rules for a particular type of communication.
Different protocols often describe different aspects of a single
communication; taken together, these form a protocol stack. The terms
"protocol" and "protocol stack" also refer to the software that implements a
protocol.
Most recent protocols are assigned by the IETF for internet communications,
and the IEEE, or the ISO organizations for other types. The ITU-T handles
telecommunications protocols and formats.
Index page for network protocols and protocol layers, categorised by the
nearest matching layers of the OSI seven layer model.
Systems engineering principles have been applied to design network
protocols.
Protocol Families
Various protocol stacks or families
* Appletalk
* Decnet
* IPX/SPX
* Open Systems Interconnect (OSI)
* SNA
* TCP/IP
Individual Protocols
Layer 1 protocols
* ISDN Integrated Services Digital Network
* PDH Plesiochronous Digital Hierarchy
o T-carrier (T1, T3 etc)
* RS-232, a serial line interface originally developed to connect modems
and computer terminals
* SDH Synchronous Digital Hierarchy
* SONET Synchronous Optical NETworking
Layer 2 protocols
* ARP Address Resolution Protocol
* Ethernet
* FDDI Fiber Distributed Data Interface
* HDLC High Level Data Link Control
* PPP Point-to-point protocol
* Token Ring
Layer 2+3 protocols
* X.25
* Frame relay, a simplified version of X.25
* ATM Asynchronous Transfer Mode
* MPLS Multi-protocol label switching
Layer 3 protocols
* ICMP Internet Control Message Protocol
* IP the Internet Protocol itself
o IPv4 Internet Protocol version 4, the current standard
o IPv6 Internet Protocol version 6, in the process of deployment
* IPX
* Routing protocols:
o Routing between autonomous systems
+ EGP Exterior gateway protocol (obsolete)
+ BGP Border gateway protocol
o Routing within a single Autonomous System
+ EIGRP Enhanced interior gateway routing protocol
+ IGRP Interior gateway routing protocol
+ RIP Routing information protocol
+ OSPF Open shortest path first
Layer 3+4 protocols
* Xerox network services (XNS)
Layer 4 protocols
* SPX Sequenced Packet Exchange
* TCP Transmission Control Protocol
* UDP User Datagram Protocol
Layer 5+ protocols
* IMAP Internet Message Access Protocol
* NFS Network File System
Layer 7 protocols
* FTP File Transfer Protocol
* HTTP HyperText Transport Protocol, used in the World Wide Web
* POP3 Post Office Protocol Version 3
* SNMP Simple Network Management Protocol
* SMTP Simple Mail Transfer Protocol
* Telnet, a remote terminal access protocol
* Gnutella, a peer-to-peer file-swapping protocol
* DNS Domain Name Service
* SSH Secure SHell
* IMAP Internet Message Access Protocol
* NTP Network Time Protocol
* Gopher, a precursor of web search engines
* Finger, which gives user profile information
* NNTP News Network Transfer Protocol
* LDAP Lightweight Directory Access Protocol
* DHCP Dynamic Host Configuration Protocol
* IRC Internet Relay Chat
* WebDAV Web Distributed Authoring and Versioning
* DICT Dictionary protocol
and secure versions of the above (as HTTPS, etc.)
This content from Wikipedia is licensed under the GNU Free Documentation License.
|
LG 48x CD-ROM IDE Drive (Black)LG 48x CD-ROM IDE Drive (Black) ** LG 48x CD-ROM IDE Drive **Upgrade your PC with a better CD-ROM drive! This LG CD-ROM drive features a black bezel, 48x read speeds and an IDE interface for easy installation.General Features:- Black bezel- 48x maximum read speed- 128 KB buffer- 75 ms average access time- Motorized tray- Horizontal and vertical mount- Plug and Play- E-IDE/ATAPI interface- Supports 8 cm and 12 cm discsFront Panel Features:- Headphone jack- Volume control dial- LED activity indicator- Eject/Load button- Emergency eject holeRear Panel Features:- Digital audio connector- Analog audio connector- Device jumpers- IDE interface- 4-pin power connectorSupported Disc Formats:- CD-DA- CD-ROM- CD-ROM/XA- Photo CD- CD Plus- CD Extra- Mixed CD- CD-RWRegulatory Approvals:- FCC- UL- CE- CSA- TUV- Nemko- Gost-R- C-TickNotes:- Drive only- LG model: CRD-8482B Compatibility/Requirements/Disclosures: ** Requirements *** IDE controller* IDE cable* Available 5.25-inch drive bay* Available 4-pin power connector More ...
19'' TFT LCD Flat Panel Monitor w/DVI Spk (Black)19'' TFT LCD Flat Panel Monitor w/DVI Spk (Black) ** 19-inch TFT LCD Color Monitor **Get fantastic viewing quality and great performance with this 19-inch TFT LCD Color Monitor! It offers a .294 mm Pixel Pitch, 1280 x 1024 maximum resolution, and 600:1 contrast ratio. Other great features include 25 ms response time, built-in speakers, and have both DVI and VGA connections. This stylish black monitor offers a lightweight design and super-thin profile that frees up your valuable desk space!General Features:- Black case- 19-inch Active Matrix LCD screen- .294 mm Pixel Pitch- 1280 x 1024 maximum resolution- 600:1 contrast ratio- 250 cd/m2 brightness- 16.7 million colors- 25 ms response time- 170-degree horizontal/vertical view angle- 30 - 79 KHz horizontal frequency- 56 - 75 Hz vertical frequency- Built-in speakers- On Screen Display (OSD) controls- 15-pin VGA connector- DVI-D connector- Audio-in connectorPower Specifications:- 12V/4.ARegulatory Approvals:- UL- FCC- CE- BSMI- VCCIRetail Package Includes:- 19-Inch TFT LCD Monitor- Quick setup guide- VGA cable- DVI cable- Audio cable- AC adapter (100-240V, 50/60Hz, 1.7A)- Power cordNotes:- LCD displays may have cosmetic imperfections that appear as small bright or dark spots. This is common to all LCD displays used in products by all vendor and is not specific to any vendor or brand. Below are the acceptable amounts of "dot defects" for LCD displays that we sell: - 17-Inch to 19-Inch: - Total Defects: 8 - Bright or Dark Dots (random): 4 - Bright or Dark Dots (2 adjacent): 2 - Bright or Dark Dots (3 adjacent): 0 - Minimum distance between defects: 15 mm (bright to bright dots); 5 mm (dark to dark dots) Compatibility/Requirements/Disclosures: ** Requirements *** VGA adapter* DVI adapter** Disclosures *** LCD displays may have cosmetic imperfections that appear as small bright or dark spots. This is common to all LCD displays used in products by all vendor and is not specific to any vendor or brand. Below are the acceptable amounts of "dot defects" for LCD displays that we sell:* 17-Inch to 19-Inch:* Total Defects: 8* Bright or Dark Dots (random): 4* Bright or Dark Dots (2 adjacent): 2* Bright or Dark Dots (3 adjacent): 0* Minimum distance between defects: 15mm (bright to bright dots)* Minimum distance between defects: 5mm (dark to dark dots) More ...
Quickstart: Photo WorkstudioQuickstart: Photo Workstudio Working with digital photos can be tedious, difficult, and frustrating. Now, with Quickstart Photo Workstudio, editing your treasured photos is incredibly easy! With powerful image editing tools at your fingertips, you can resize, crop, manipulate, and redesign any digital image file with ease. Windows 98/Me/2000/XP More ...
Genica Conexant 56K V.92 Data/Fax PCI ModemGenica Conexant 56K V.92 Data/Fax PCI Modem ** Genica 56K V.92 Data/Fax PCI Modem **Get connected today with this 56K V.92 modem! It features the Conexant R6793-11 chipset, 56 Kbps download speeds,14,400 bps fax speeds and a PCI interface. Get faster download speeds and fast web browsing with this Genica 56K V.92 Data/Fax PCI Modem!General Features:- Conexant R6793-11 Chipset- PCI interface- 56K V.92 standards- 14,400 bps fax speeds- IS 101 standard voice modem- Audio recording and playback functions- Plug and PlayData Mode:- V.92- V.90- 56 Kbps- V.34- 33.6 KbpsError Correction:- V.42bis- MNP4-2Data Compression:- V.42 bis- MNP 5Fax Modes:- 14,400 bps- V.17- V.27 ter- V.21- V.29Regulatory Approvals:- FCC- CERetail Package Includes:- Genica 56K V.92 Data/Fax PCI Modem- Driver CD- RJ-11 standard phone cord Compatibility/Requirements/Disclosures:** Requirements *** Windows 98/ME/NT/2000/XP* Available PCI slot* CD-ROM drive* Phone line More ...
ATI Radeon 9000 Pro 128MB DDR 4x AGP Video CardATI Radeon 9000 Pro 128MB DDR 4x AGP Video Card ** ATI Radeon 9000 Pro AGP Video Card **Featuring a revolutionary quad-pipe architecture and 128 MBDDR memory, the Radeon 9000 Pro offers best of class performance to accelerate all popular 3D applications. Four parallel, highly optimized rendering pipelines significantly enhance performance and game-play response!General Features:- ATI Radeon 9000 Pro chipset- AGP interface- Four parallel highly optimized rendering pipelines- 128 MB DDR RAM- SMARTSHADER technology - SMOOTHVISION full-scene anti-aliasing technology- Progressive anisotropic filtering technology- VIDEO IMMERSION II technology- FULLSTREAM ATI's video acceleration technology- Supports dual display configurations- CATALYST 3D acceleration- 15-pin standard VGA connector- 24-pin DVI connector- 4-pin S-Videon connectorRetail Package Includes:- ATI Radeon 9000 Pro 128 MB DDR video card- User Manual- Driver CD- S-Video cable to RCA compositeNotes:- PCB Board Layout may vary, may not have fan Compatibility/Requirements/Disclosures: ** Requirements *** Microsoft Windows 98/2000/ME/XP* Intel Pentium II or faster processor* 32 MB RAM* Available AGP slot* Hard disk drive* CD-ROM or DVD-ROM drive for driver installation More ...
Kodak Easy Share Printer Dock PlusKodak Easy Share Printer Dock Plus ** Kodak Easy Share Printer Dock Plus **The fastest and easiest way to create real KODAK pictures at home! With this Kodak Easy SharePrinter Dock Plus you can transfer pictures from a camera to a computer at the touch of a button. Its auto enhance button enables KODAK PERFECT TOUCH Technology for better, brighter pictures!The Kodak Easy Share Printer Dock Plus offersportability for anytime, anywhere printing with or without a computer. Order yours today!General Features:- Image transfer: One-button picture transfer - File formats: JPEG/EXIF v2.2 - Print technology: Continuous-tone thermal dye transfer - Print speed: 60 seconds (75 seconds first print direct from camera) - Use the auto-enhance button with KODAK PERFECT- Built-in SD/MMC card slot- USB port- Video outPrint size options:- 4"x6" (10x15 cm) - 2, 4, or 9 pictures per sheet Media size:- 4"x7" (102x184 mm), including two 0.6" (16 mm) perforated sections (one on each end)Compatible Kodak Easy Share Digital Cameras: - CX6000/7000 - DX6000/7000 - LS600/700 Regulatory Approvals:- FCC- CE- C-TickPlain Package includes:- Kodak Easy Share Printer Dock Plus- Paper Tray- Kodak Color cartridge & Photo Paper- Kodak Rechargeable Ni-MH Battery Pack- AC Adapter (100-240V 50/60Hz)- AC Power Cord- Kodak Easy Share Software ver. 4.0.2- Users Guide Compatibility/Requirements/Disclosures: ** PC Requirements *** WINDOWS 98, 98SE, 2000, ME or XP OS * 233 MHz processor or greater * 64 MB RAM available (128 MB RAM for WINDOWS XP OS) * 200 MB hard disk space available * CD-ROM Drive * USB connectivity * Compatible Kodak Easy Share Digital Camera** Mac Requirements *** PowerPC-based MACINTOSH Computer * MACINTOSH OS 10.2 or higher * 128 MB RAM available * 200 MB hard disk space available * CD-ROM Drive * USB connectivity* Compatible Kodak Easy Share Digital Camera Informational Links: http://www.kodak.com/eknec/PageQuerier.jhtml?pq-path=3585&pq-locale=en_US More ...
|
