Precision Time Protocol The Precision Time Protocol (PTP) is a protocol used to synchronize clocks throughout a computer network. On a local area network, it achieves clock accuracy in the sub-microsecond range, making it suitable for measurement and control systems. ...

(PTP) is a widely adopted protocol for delivery of precise time over a

computer network A computer network is a set of computers sharing resources located on or provided by network nodes. The computers use common communication protocols over digital interconnections to communicate with each other. These interconnections ar ...

. A complete PTP system includes PTP functionality in network equipment and hosts. PTP may be implemented in

hardware Hardware may refer to: Technology Computing and electronics * Electronic hardware, interconnected electronic components which perform analog or logic operations ** Digital electronics, electronics that operate on digital signals *** Computer hard ...

software Software is a set of computer programs and associated software documentation, documentation and data (computing), data. This is in contrast to Computer hardware, hardware, from which the system is built and which actually performs the work. ...

or a combination of both. PTP is implemented in

end system In networking jargon, a computer, phone, or internet of things device connected to a computer network is sometimes referred to as an end system or end station, because it sits at the edge of the network. The end user directly interacts with an ...

s and in PTP-aware

networking hardware Networking hardware, also known as network equipment or computer networking devices, are electronic devices which are required for communication and interaction between devices on a computer network. Specifically, they mediate data transmission in ...

. PTP implementations may have the ability to serve as a source of time for the network, a ''grandmaster'', or operate as a ''slave'' and receive time and synchronize to the grandmaster. Some implementations are able to operate as either master or slave.

Routers and switches

Artel An artel (russian: арте́ль) was any of several types of cooperative associations and (later) corporate enterprises in the Tsardom of Russia, the Russian Empire, and the Soviet Union. They began centuries ago but were especially prevalent ...

Quarra 1 Gbps PTP Ethernet Switch *

Quarra PTP 10 Gbps Ethernet Switch * ACRA Control, Limited (now

Curtiss-Wright The Curtiss-Wright Corporation is a manufacturer and services provider headquartered in Davidson, North Carolina, with factories and operations in and outside the United States. Created in 1929 from the consolidation (business), consolidation ...

) airborne switches *

Alcatel-Lucent Alcatel–Lucent S.A. () was a French–American global telecommunications equipment company, headquartered in Boulogne-Billancourt, France. It was formed in 2006 by the merger of France-based Alcatel and U.S.-based Lucent, the latter being a su ...

(now

Nokia Networks Nokia Networks (formerly Nokia Solutions and Networks (NSN) and Nokia Siemens Networks (NSN)) is a multinational data networking and telecommunications equipment company headquartered in Espoo, Finland, and wholly owned subsidiary of Nokia Corp ...

) 7210 Service Access Switch * Alcatel-Lucent 7705 Service Aggregation Router * Alcatel-Lucent 7750 Service Router * Allen-Bradley Stratix 5400, 5410, 5700, 8000 Managed Switches * Arista 7050X/X2/X3 Series Switches * Arista 7060X/X2 Series Switches * Arista 7150 Series Switches * Arista 7280E/R/R2 Series Switches * Arista 7500E/R/R2 Series Switches * Aruba 2930M Series Switches (with WC.16.04 software release) * Aruba CX 6300 M series * Aruba CX 8360 * BitStream Hyperion 300/402/500 Series Switches *Brocade 6910 Ethernet Access Switch *Dell EMC PowerSwitch S4100-ON Series SwitchesDELL EMC NETWORKING S4100-ON
/ref> *Dell EMC PowerSwitch S5200-ON Series Switches *Cisco 7600 Router *Cisco ASR 903 Router *Cisco ASR 9000 Router *Cisco Catalyst 9300 Switch *Cisco CGS 2520 Switch *Cisco Industrial Ethernet 3000 Series Switches *Cisco Industrial Ethernet 5000 Series Switches *Cisco Nexus 3000 Series Switches *Cisco Nexus 5000 Series Switches *Cisco Nexus 7000 router *Cisco Nexus 9000 router *Connect Tech Inc. Xtreme/10G Managed Ethernet Switch/Router *Crystal Instruments IEEE 1588 Spider-HUB Industrial Ethernet Switch *Ericsson Router 6000 series *Extreme Networks E4G-200 router *Extreme Networks E4G-400 router *Fibrolan Falcon-R Class xHaul Switche/Grandmaster *Fibrolan Falcon-M Class Switches/Routers *Fibrolan Falcon-MTS Grandmaster *Fibrolan uFalcon-S Switch series *Fibrolan uFalcon-ST Switch series *GarrettCom 10KT Industrial Managed 1588v2 Switch *GarrettCom 12KX Industrial Managed 1588v2 Ethernet Switch *HBM Rugged Ethernet PTPv2 Switch with PoE: SomatXR EX23-R *Hirschmann MACH1040 19" Industrial Ethernet Switches with IEEE 1588v2 support *Hirschmann MICE Modular Industrial Ethernet Rail Switch Modules with IEEE 1588v2 support *IBM RackSwitch G8264 and IBM RackSwitch G8316 *iS5 Communications Raptor Switch *Juniper Networks MX Universal Edge Routers *Juniper Networks QFX *Kyland SICOM3028GPT series *Kyland SICOM3000A series *Kyland Ruby3A *Mellanox SN2100 / SN2700 (Spectrum silicon) switches with MLNX-OS/ONYX (in GA since 3.6.5011) for PTP IEEE-1588 (SMPTE ST2059-2 profile) or with Cumulus Linux (from version 3.6) with the ptp4l Linux package. *Moxa PowerTrans series (PT-7728-PTP) and EDS-500 and EDS-600 series switches *Oregano Systems syn1588 Gbit Switch *Planet Technology USA, some IGS switches (e.g. IGS-20040MT) *Red Lion N-Tron Series NT24k All-Gigabit Managed Industrial Ethernet Switches *Ruggedcom IEEE 1588 PTP Solutions including RSG2488, RSG2288, RX1000 and RS416 *Seven Solutions White Rabbit Precise PTP Switch *Siemens SCALANCE X-300 and XR-300 Industrial Managed Ethernet Switch with 1588 support (all X308-2M, all XR-324-12M, all XR324-4M, all X302-7EEC and X307-2EEC) *Teletronics Technology Corporation airborne switches *TSN Systems - TSN Automotive Switch Q50.

Stand-alone solutions

* Antenna-integrated OTMC 100 PTP grandmaster clock from OMICRON Lab *AVN-GMCS IEEE1588 PTP Grandmaster Clock with GPS Receiver from Sonifex *Calnex Solutions provides a number of IEEE 1588v2 test products for field and factory use including Paragon-X, Paragon-100G and Sentinel *EKOSync 1588A and 1588B IEEE 1588v2 PTP/NTP GPS clocks from EKOSinerji *FSMLabs 1GBps Pocket GrandMaster IEEE 1588v2 PTP/NTP GPS clocks from FSMLabs *FSMLabs 10GBps Enterprise GrandMaster IEEE 1588v2 PTP/NTP GPS clocks from FSMLabs *IEEE 1588 PTP GPS Grandmaster Clock from Optimal Technologies *IEEE 1588 PTP M68 production module from Qulsar (formerly Conemtech) *IEEE 1588 PTP P6x Sub-System board from Qulsar (formerly Conemtech) *IEEE 1588 PTP PCIe add in cards from Korusys *IEEE 1588 PTP Solutions from FEI-Zyfer, Inc. *IEEE 1588 PTP Solutions from Fibrolan *IEEE 1588 PTP solutions from

Microsemi Microsemi Corporation was an Aliso Viejo, California-based provider of semiconductor and system solutions for aerospace & defense, communications, data center and industrial markets. In February 2018, it was announced that Chandler, Arizona-bas ...

*IEEE 1588 PTP Solutions from

Oscilloquartz SA Oscilloquartz, a company of ADVA Optical Networking, is a manufacturer of frequency sources, such as GPS& GLONASS receivers or caesium clocks for telecommunications applications and has been producing similar products for about 60 years. It also ...

*IEEE 1588 PTP testers and monitoring solutions from Albedo Telecom *IEEE 1588 PTP Time Converter TICRO 100 from OMICRON Lab *IEEE 1588 solutions from Meinberg *IEEE 1588v2 PTP GPS Master & Slave clocks from Masterclock *IEEE 1588v2 PTP GPS Master & Slave clocks from Tekron *IEEE 1588v2 PTP GPS Smartgrid clocks from Tekron *IPITEK MSP-1588 *syn1588 VIP single chip solution from Oregano Systems *TSN Systems TSN Box 3.0 - Hardware Interface for Automotive and Industrial TSN Test & Measurement Applications. *White Rabbit LEN from Seven Solutions *White Rabbit ZEN Time Provider from Seven Solutions *White Rabbit Cute-WR-DP from SyncTechnology *White Rabbit Mini-WR from SyncTechnology *IEEE 1588 PTP solutions from Mobatime (belongs to the Moser-Baer Group) *IEEE 1588 PTP Solutions from PolyNet

Software

* Domain Time II PTPv2 server and client for Windows and Linux from Greyware Automation Products, Inc. *IEEE 1588 Hoptroff Time Suite Enterprise from Hoptroff Smart Timing , Built on the Zero Trust model and encrypted to maximum standards to ensure resilient cybersecurity, delivered via dedicated optic fibre connection , MiFID II, CAT FINRA NMS compliance , * IEEE 1588 Protocol Software from HMS Industrial Networks (formerly IXXAT Automation GmbH). * IEEE 1588 PTP 2002/2008 Master Stack Software from Real-Time Systems GmbH. * IEEE 1588 PTP Stack, XR7 PTP, from TTTech Flexibilis Oy * IEEE 1588 Stack from Civica Ltd. *Microsoft Windows Server 2019 *Microsoft Windows 10 October 2018 Update (version 1809) * ''Openptp'' from Flexibilis Oy is GPL licensed open source implementation of the IEEE 1588-2008 (Version 2) PTP specification. *PTP Track Hound, free tool from Meinberg to record, visualize and analyze PTP network traffic * PPSi, a multi-platform ptp implementation developed by CERN. * PTPd and its derivatives * syn1588 PTP Stack from Oregano Systems: A portable implementation of the complete IEEE1588-2008 standard with special features like Boundary Clock support, Unicast operation, IPv6 support and security enhancements. * ''The Linux PTP Project'' – an implementation of the Precision Time Protocol (PTP) according to IEEE standard 1588 for Linux. The dual design goals are to provide a robust implementation of the standard and to use the most relevant and modern Application Programming Interfaces (API) offered by the Linux kernel. *Timebeat - PTP synchronisation platform and monitoring solution. * TimeKeeper PTP server and client from FSMLabs, Inc. * ''TSEP Chronos'': IEEE 1588 PTP 2008 Stack for Windows, Linux, and RTX64(IntervalZero) from Technical Software Engineering Plazotta. * TsEX module of the NeEX platform - IEEE1588 compliant PTP stack by emagine *UMAN PTP Stack - 802.1AS (gPTP), Automotive PTP 1.5.

Silicon

*8-Input, 14-Output, Dual DPLL Timing IC with IEEE 1588 Clock from Microsemi Corporation *IEEE 1588 PTP Grandmaster Controller from Qulsar (formerly Conemtech) *IEEE 1588 PTP Ethernet Switching Solutions from Vitesse Semiconductor *IEEE 1588 PTP Synchronization Solutions from Zarlink Semiconductor *IEEE 1588 PTP Synchronization Solutions from Semtech Corporation *IEEE 1588 Clock and 10/100/1000Mbit/s Packet Timestamper from Microsemi Corporation *IEEE 1588 PTP Synchronization of Network Communications Equipment from

Integrated Device Technology Integrated Device Technology, Inc., is an American corporation headquartered in San Jose, California, that designs, manufactures, and markets low-power, high-performance mixed-signal semiconductor solutions for the advanced communications, com ...

*BroadPTP in network equipment using

Broadcom Broadcom Inc. is an American designer, developer, manufacturer and global supplier of a wide range of semiconductor and infrastructure software products. Broadcom's product offerings serve the data center, networking, software, broadband, wirel ...

silicon.

Other

*IEEE 1588 PTP 1Gb Ethernet Layer 2 Switch IP Core from Flexibilis Oy *IEEE 1588 PTP Compliance from The White Rabbit Project in the Open Hardware Repository. *IEEE 1588 PTP Embedded Timing Appliance from Black Brook Design *IEEE 1588 PTP Hoptroff Traceable Time as a Service (TTaaS®) from Hoptroff Smart Timing *IEEE 1588 PTP IP Core from IXXAT Automation GmbH *IEEE 1588 PTP IP Core from OpenCores *IEEE 1588 PTP IP Cores for

Xilinx Xilinx, Inc. ( ) was an American technology and semiconductor company that primarily supplied programmable logic devices. The company was known for inventing the first commercially viable field-programmable gate array (FPGA) and creating the fi ...

FPGAs from System-on-Chip engineering *IEEE 1588 PTP IP Cores from Optimal Technologies *IEEE 1588 PTP Solutions for industrial Ethernet networking and computing from Moxa *IEEE 1588 PTP Solutions from ELPROMA and CERN *IEEE 1588 PTP Solutions from EndRun Technologies *IEEE 1588 PTP Solutions from InES

ZHAW The Zurich University of Applied Sciences (ZHAW; german: Zürcher Hochschule für Angewandte Wissenschaften) located in the city of Winterthur, with facilities in Zurich and Wädenswil, is one of the largest University of Applied Sciences in Switz ...

*IEEE 1588 PTP Solutions from Meinberg Funkuhren *IEEE 1588 PTP Solutions from

*IEEE 1588 PTP Solutions from NetTimeLogic GmbH *IEEE 1588 PTP / White Rabbit Solutions from OPNT B.V. *IEEE 1588 PTP Solutions from Oregano Systems *IEEE 1588 PTP Solutions from Oscilloquartz *IEEE 1588 PTP Solutions from Qulsar (formerly Conemtech) *IEEE 1588 PTP Solutions from Orolia (formerly Spectracom) *IEEE 1588 PTP Solutions from Time & Frequency Solutions *IEEE 1588 PTP Solutions from Trimble.Inc *IEEE 1588 PTP Synchronization Solutions from

*IEEE 1588-2008 Management Tool from IXXAT Automation GmbH *IEEE 1588 PTP Solutions fro
Polynet

References

{{reflist Synchronization IEEE standards Network time-related software