Endace
Corporate brand
UnclaimedEndace is a New Zealand network-monitoring company specializing in high-fidelity network recording and visibility infrastructure.
Last updated August 31, 2026
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Overview
Endace is a privately owned network-monitoring company headquartered in Auckland, New Zealand. Founded in 2001, it developed from the DAG research project at the University of Waikato's School of Computing and Mathematical Sciences. The original research addressed a problem in measuring network performance: software-based packet capture could introduce timing uncertainty, jitter, and incomplete information about packet loss. The project therefore developed specialized hardware capable of recording network traffic with highly precise timestamps and of identifying where packets were lost in a capture stream. The resulting DAG technology became the technical foundation of Endace's business. Rather than relying on ordinary network-interface and operating-system timing, DAG hardware generated timestamps close to the network interface. Its clock could be disciplined using an external reference such as the one-second pulse from a GPS receiver, enabling much more precise timing than conventional software clocks. The equipment also added information about packets lost between successfully captured packets. These capabilities supported detailed analysis of network performance, traffic reconstruction, digital forensics, lawful monitoring, and compliance-related investigations. Endace initially operated as a component manufacturer. In 2006, it began shifting toward network-recording appliances and then toward managed network-visibility infrastructure. Its portfolio evolved from capture cards and related hardware into network recorders and visibility fabrics intended to provide organizations with access to historical and real-time network information. The principal customers described for the business are large corporations, telecommunications and infrastructure operators, and government agencies. The company became notable in New Zealand corporate history when it floated on London's Alternative Investment Market in June 2005. It was reported as the first New Zealand company to list on AIM. The overseas listing attracted criticism because of weak early share-price performance and concerns that the company had not built a sufficiently broad domestic shareholder base. Endace was later acquired by Emulex and delisted in 2013. In 2016, it was spun out of Emulex and returned to private ownership. Endace has maintained its New Zealand engineering base, including a research and development centre in Hamilton, while also operating offices in Australia, the United States, and Great Britain. Its technology has applications in network operations, cybersecurity, incident investigation, telecommunications monitoring, and regulatory or evidentiary environments where the completeness and timing of captured traffic matter. The company's association with intelligence and surveillance customers has also made it a subject of public scrutiny. Reporting based partly on documents disclosed by Edward Snowden identified Endace products or deployments in connection with intelligence agencies, including the UK's GCHQ and agencies in Canada, Australia, and Morocco. Endace's public identity therefore combines specialist network-visibility engineering with the broader dual-use concerns associated with high-performance traffic interception and recording.
History
Endace originated in academic networking research at the University of Waikato in New Zealand. The underlying DAG project was created to improve the accuracy and completeness of measurements taken from ATM networks and later packet-switched networks. Conventional software capture methods timestamped traffic only after packets had passed through the network interface and operating-system processing path. Interrupt batching, scheduling delays, and variable kernel latency could therefore make measurements imprecise. Software capture could also report that packets had been dropped without identifying their position within the recorded sequence. The DAG project addressed both limitations in hardware. Its capture systems generated timestamps near the network interface and used a high-resolution clock that could be synchronized to an external reference, including GPS timing. This enabled accurate latency and one-way travel measurements across distributed observation points. DAG hardware also inserted information about the number of packets lost between captured packets, allowing analysts to distinguish a complete record from one with gaps and to locate those gaps more precisely. The technology had value in academic research, telecommunications engineering, surveillance, digital forensics, and compliance environments. Endace was established in 2001 to commercialize this work. Its early business focused on specialized capture cards and related components. In 2006, the company began a transition toward complete network-recording appliances and subsequently toward managed network-visibility infrastructure. This broadened its proposition from supplying measurement hardware to giving large organizations a way to retain, search, and analyze network traffic across important parts of their infrastructure. The company pursued an international capital-markets strategy. In June 2005 it listed on London's Alternative Investment Market, becoming the first New Zealand company to do so according to the cited account. The decision was controversial in its home market. Critics pointed to poor early share-price performance and questioned whether Endace had developed a sufficiently wide local investor base before seeking overseas investment. The company was later acquired by Emulex and removed from the public market in 2013. In 2016 it was spun out of Emulex and returned to private ownership. Endace's continuing operations have included headquarters in Auckland, a research and development centre in Hamilton, and offices in Australia, the United States, and Great Britain. Its business is directed at large organizations and government agencies that require persistent network visibility, high-throughput packet capture, and dependable historical records. The technology's dual-use character has generated scrutiny because the same precision and completeness that support troubleshooting and forensic evidence can also support large-scale communications monitoring. In 2016, reporting by The Intercept connected Endace customers with intelligence agencies in the United Kingdom, Canada, Australia, and Morocco, while Snowden documents described extensive UK network surveillance. These reports placed Endace within wider debates about the governance, legality, and accountability of network-monitoring technologies.
- 2016
Spinout and return to private ownership
[1]Endace is spun out of Emulex and operates as a private company.
- 2013
Acquisition by Emulex
[1]Emulex acquires Endace, and Endace is delisted from the London market.
- 2006
Commercial model expands beyond components
[1]The company moves from component manufacturing toward network-recording appliances and managed network-visibility infrastructure.
- 2005
London AIM listing
[1]Endace floats on London's Alternative Investment Market and becomes the first New Zealand company to list there according to the cited history.
- 2001
Endace is founded
[1]Endace is established in New Zealand to commercialize technology originating in the University of Waikato's DAG networking research.
Products and positioning
A specialist provider of high-fidelity, loss-aware network recording and visibility infrastructure for large enterprises, communications operators, security teams, forensic investigators, and government organizations.
Network capture hardware
DAG capture technology
DAG technology is the technical foundation of Endace's network-monitoring offering. It captures traffic close to the network interface, generates high-precision hardware timestamps, and can use an external time reference such as GPS. Its recording format also indicates packet loss between accepted packets, helping analysts evaluate the completeness of a trace and identify gaps. These characteristics support performance measurement, distributed latency analysis, network forensics, and monitoring applications where ordinary software capture may be too imprecise.
Network recording appliances · 2006
Endace network recorders
Network recorders are appliances designed to retain high-volume network traffic for later investigation and analysis. They extend the original capture-card concept into deployable infrastructure for large organizations and government agencies. The systems are intended to provide a dependable historical record of communications and network events, supporting troubleshooting, security investigations, compliance work, and forensic review.
Network visibility infrastructure
Network visibility fabrics
Endace's network visibility fabrics represent its broader infrastructure proposition beyond individual capture components or recorders. They are designed to give organizations consistent access to network traffic and recorded data across monitoring environments. The offering reflects Endace's evolution toward managed visibility infrastructure for enterprise, telecommunications, and government customers.
Controversies
2016
Intelligence-agency and surveillance-use controversy
The Intercept reported that Endace customers included intelligence agencies such as the UK's GCHQ and agencies in Canada, Australia, and Morocco. Snowden documents described extensive UK monitoring of network communications. The reporting raised broader questions about the use of Endace's high-fidelity network-recording technology in state surveillance and about the oversight of dual-use monitoring systems.
Brand decisions
2016
Spin out of EmulexM&ABackground
Following its period under Emulex ownership, Endace's business was separated from the parent company.
Action taken
Endace was spun out and resumed operation as a private company.
Aftermath
The company continued operating from New Zealand with international offices and a focus on network visibility and recording.
2013
Accept acquisition by EmulexM&ABackground
Endace was a publicly listed specialist networking company.
Action taken
Emulex acquired Endace, after which the company was delisted.
Aftermath
Endace operated within Emulex until it was spun out again in 2016.
2006
Move from capture components to infrastructureStrategyBackground
Endace began as a specialist component manufacturer based on university-developed DAG technology.
Action taken
The company expanded into network-recording appliances and later managed network-visibility infrastructure for large organizations and government agencies.
Aftermath
This repositioned Endace from a hardware-component supplier toward a broader network-visibility provider.
2005
Choose London's AIM for public listingStrategyBackground
Endace sought international investment and visibility while still operating from New Zealand.
Action taken
It listed on London's Alternative Investment Market rather than initially pursuing a New Zealand exchange listing.
Aftermath
The move established an international market presence but attracted criticism concerning early share performance and the limited breadth of its shareholder base.
Recent events
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