Wind River Blog Network

Securing Critical Infrastructure with MILS

By Paul Chen

On February 12, the White House released the Presidential Policy Directive 21 (PPD-21), Critical Infrastructure Security and Resilience. The DHS website describes PPD-21 as “advancing a national policy to strengthen and maintain secure, functioning, and resilient critical infrastructure.” Sixteen different critical infrastructure sectors are identified, including: Chemical, Communications, Energy, Financial Services, Healthcare and Public Health, Food and Agriculture, Nuclear Reactors, Transportation, and Water and Wastewater Systems.

On the same day PPD-21 was released, President Obama also signed Executive Order 13636 for “Improving Critical Infrastructure Cybersecurity.” The Executive Order directs NIST (National Institute of Standards and Technology) to develop a framework for “reducing cyber risks to critical infrastructure,” for which they have issued an RFI and plan a workshop in late May.

And on March 26, the BSI (Bundesamt für Sicherheit in der Informationstechnik, the German Federal Office for Information Security) published the Protection Profile for the Gateway of a Smart Metering System. Such devices will securely collect, process, and store information from smart meters, adding security to smart electricity distribution grids. The protection profile notes that the threat from a remote cyberattack is much higher than that from a local physical attack, since the attacker in network has the potential to compromise not just one, but many components of the infrastructure, or even the corresponding grid.

These developments highlight the focus on improving critical infrastructure security as attacks from cyber-terrorism have increased over the last decade and, alarmingly, in the past year on power, water, and nuclear systems. A recent report states that, indeed, most cyber-attacks now target critical infrastructure, moving “away from hacking and financially motivated crime” to attacks to “deny, disrupt, and destroy” service. For most of us, even the most destructive cyber-attacks like Stuxnet are fairly remote and don’t impact us; but if critical infrastructure services are denied, disrupted, or destroyed, cyber-attacks could become devastatingly personal.

Continue reading >>

Avionics Europe 2013 Conference

By Paul Parkinson

Last week I attended the Avionics Europe 2013 conference, which was held in Munich for the last time perhaps (as it is moving to Abu Dhabi in 2014).

The theme of this year's conference was 'Tackling the Challenges in Avionics: Single Sky Many Platforms,' which continued to focus on the growth in air traffic across Europe and challenges arising for air traffic management and navigation. However, rather than continuing to focus on the regulatory challenges as in 2012 (which I have discussed previously), there was a shift in emphasis towards the implementation of technologies such as SESAR.

One of the keynote speakers, Captain Sascha Unterbarnscheidt, A320 Captain and Director Operations Support, Lufthansa Germany made some very interesting observations in his address 'Single European Sky - Delivery to Daily Operations.' In particular, how the fragmented European air space (compared to the United States), led to ATM inefficiencies in 2011 resulting in 17.9m minutes of ATM delays, 8.1m tonnes of wasted CO2, and increased costs of around 5billion Euros (with the effect on passengers of delayed flights, longer flight times, wasted fuel and increased noise). He then went on to explain how the increased levels of automation and productivity through SESAR would result in increased capacity, reduced costs and lower accident rates.

Continue reading >>

The Advent of Multi-core MILS

By Paul Parkinson

It has been a rather long time since my previous blog post. I intended to post a blog before the holidays regarding our partner Curtiss-Wright's announcement about VxWorks MILS support on the VPX6-187, but I simply ran out of time! So here it is as my first blog post of 2013.

The Curtiss-Wright new release was actually quite a game changer. To the casual reader, it may just appear to be about the release of another board support package (BSP) on a leading-edge COTS processor card, but the fact that this BSP supports multi-core for a MILS architecture is what makes this announcement so significant.

When the MILS software architecture was proposed in 1984 by the computer scientist Dr. John Rushby, microprocessors at the time were inherently single-core, and computing performance advances were being driven by clock speed increases and die size, at a rate following Moore's Law.

Continue reading >>

The New FACE of Avionics

By Chip Downing

Earlier this year, Wind River announced its support of the Future Airborne Capability Environment (FACE) technical standard, which hopes to resolve two fundamental problems with military procurements.

First, current aviation systems are typically developed for a unique set of requirements by a single vendor for a single aircraft, resulting in limited portability of software components, increased costs, and creating barriers to competition within and across airborne systems.

Second, the military aviation community has not created standardized architectural and software interface standards to sufficiently enable portability of software components across DoD aviation systems.  Commercial aerospace suppliers have standardized on open common core platforms based upon ARINC 653, which is a standard API for integrated modular avionics (IMA), but this has simply not occurred in military avionics systems.

The FACE technical standard will create an open, modular, multi-vendor software environment enabling portability and reuse of software components across multiple programs and platforms.  Combining this technical standard with a the FACE Business Guide will expand the selection options for military software components, reduce up-front procurement costs, reduce system integration cost and risk, and reduce upgrade and technical refresh costs.

To read the full blog post visit Military Embedded Systems

Getting Code Coverage with LDRA Tools on Simics

By Jakob Engblom

A system development tool like Simics is rarely used completely on its own. Simics is usually brought in by companies and development teams who are already using a variety of tools and expect to keep doing so along with Simics. Also, Simics by itself cannot reasonably be expected to solve all problems for all people. Instead, we need to connect Simics with outside tools to provide an integrated solution.

In this blog post, Jay Thomas of LDRA and I will discuss one concrete example of such a tool integration. In particular, how Simics can be used together with the code coverage and certification tools from LDRA to perform code analysis on safety-critical software in a way that is more efficient than with most hardware platforms.

Continue reading >>

What is the Real Impact of DO-178C and ED-12C?

By Joe Wlad

DO-178C and ED-12C are now released.  What does this mean for Wind River and its customers?

Now that RCTA DO-178 and its European equivalent, EUROCAE ED-12, have been updated after nearly twenty years, many are wondering, what is the impact to Wind River and our customers?  We’ve provided our customers with products and services based on DO-178B and ED-12B guidelines for over 10 years and have deployed certified VxWorks solutions on over 250 aircraft programs.  With the arrival of DO-178C and ED-12C it’s really business as usual for Wind River and we will incrementally adopt the standard in our future certification evidence offerings. Yes, the new release of DO-178 and ED-12 compel many to ask questions about how we comply, what our roadmap for approval is, and how we plan to support our customers now and in the future.

Continue reading >>

Avionics Europe 2012 Report

By Paul Parkinson

I've just got back from the Avionics Europe 2012 conference and exhibition which was held in Munich.

The theme of this year's conference was 'Common Sky: Operating in One Air Space' focussing on the growth in air traffic across Europe, the challenges arising for air traffic management and navigation, and the development of SESAR air traffic management technologies.

I was keen to hear to how changes to the high-level policies would drive regulatory changes and drive technology requirements.

Continue reading >>

Avionics 2012 Conference

By Paul Parkinson

It's been a long time since my previous blog, as unfortunately I've been engrossed in a number of projects!

However, I have just got time to mention that I'm really looking forward to the Avionics Europe conference in Munich on 21-22 March. The conference programme is pretty packed, covering cockpit avionics and technologies for civil and military aircraft; and aircraft, spacecraft and UAV sensor payloads, diagnostics and certification.

Continue reading >>

IEC 62304, EN 62304...Confused?

 By Nikhil Chauhan

The requirements of IEC 62304 and EN 62304 are identical.  Both, IEC 62304 and EN 62304, share the same genealogy and are well recognized software life cycle standards. The only difference is that they are promoted by two different standardization bodies. IEC (International Electrotechnical Commission) and CENELEC adopted the same standard concurrently.

IEC 62304 is a worldwide recognized standard from IEC that defines the life cycle requirements for medical device software. The set of processes, activities, and tasks described in this standard establishes a common framework for medical device software life cycle processes.

Continue reading >>

VxWorks Cert Now Supports ARM!

By Alex Wilson

Aerospace and defense has relied on rugged embedded vehicle mounted computers for many years, but as devices become more mobile, and with increased demand to reduce SWaP (Size, Weight, and Power), ARM-based computers become an interesting alternative.  Added to that is the wealth of functionality available in ARM devices that make it a good choice, not only to reduce SWaP in the core CPU, but to reduce overall chipset sizes to a single SoC.

If we look at an example of an ARM-based device, such as the TI OMAP3530, this is a perfect device with which to build a software defined radio for example. It has a high performance, low powered Cortex A8 Core, with numerous IO devices to help connectivity and display.  Designed as a mobile device, for example, it supports Android -- and the OMAP3530 is also well suited to other areas of A&D such as soldier mounted systems, or remote sensors.

Continue reading >>

VxWorks Cert: Supporting Low Power Devices in Safety Critical Systems

By Bill Graham

Embedded microprocessors are steadily progressing towards more performance while maintaining or decreasing power requirements (more succinctly, the performance per watt is getting better and better). High performance processors that decrease system power requirements are desired in safety critical systems just as they are in the general embedded marketplace. Our recent release of VxWorks Cert Platform adds support for ARM processors to our safety critical VxWorks platform which compliments our current support for Intel Atom processors, both of which are important platforms for high capable but low power consumption devices.  Adding ARM to the supported list of architectures expands the application of the safety critical real-time operating system (RTOS) platform to new possibilities such as mobile, handheld and graphics-oriented devices.

Continue reading >>

Secure Mobility Message Resonates at MILCOM 2011

By Chip Downing

MILCOM 2011 last week in Baltimore, MD was not only educational, but it was a watershed event.   Last year, it was a “coming out” party for custom Android devices; this year however, was the year where many companies are now using COTS hardware and software to their fullest extent, along the entire supply chain, from core to edge and user devices.   I believe this COTS adoption is driven by two powerful forces – the exploding capabilities of commercial tablet devices, and global military budget pressures.

The vastly increasing power and capability of commercially available mobile communications devices is simply amazing. Just a few years ago, almost everything in this military communications space was purpose built, and most commercial products were simply inadequate to address the rugged and complex system demands of military communications systems.   As seen at MILCOM 2011, this has officially changed -- COTS end-to-end communications domains rule.

So if all of these MILCOM vendors are not making customized hardware and software, what are they doing?   Wind River had over 500 people visit its booth at MILCOM this year, and most of the discussions I had with both suppliers and end users at the show were about increasing device security and leveraging high volume COTS components in demanding deployment scenarios.

Continue reading >>

Unmanned Systems: More Reports of Security Vulnerabilities

By Joe Wlad

By now, you’ve likely heard the latest report of security holes in unmanned ground control systems. This time, a key-logging virus has been found on one or more hard drives at the Nevada operations center for the Predator and Reaper unmanned vehicles. While the investigation is ongoing and impact of the virus is determined, the real concern is just how vulnerable are these systems and what might happen next? This is not the first time security gaps have been uncovered in unmanned vehicles. In 2009, Iraqi insurgents were able to intercept unencrypted video feeds from operational Predator UAVs using inexpensive software downloaded from the Internet.

People in the public and private sector are expressing deep concern over how things like this can happen and to how address these problems. As for the “how we got here” question, it’s relatively simple to answer. Essentially, the unmanned air vehicle has been a victim of its own success. Many of these programs, Global Hawk, Predator and others were never designed to be deployed in operational environments. In fact, the DoD in many cases, sought to build these vehicles as prototypes or proof-of-concepts. When the programs were awarded, the diligent contractors for these vehicles used the best of commercial technology to demonstrate the capabilities. The hope was that successful demonstrations would lead to production contracts where the systems could be designed to meet specific security and safety requirements.

Continue reading >>

Boeing 787: The long certification journey comes to an end

By Joe Wlad

Today, Boeing delivered its first 787 aircraft to All Nippon Airways (ANA) marking a huge technical, moral and financial achievement. Lorraine Bolsinger, president and CEO, GE Aviation Systems, commented in today’s news release: “This is an opportunity for 787 partners to celebrate their role in bringing the 787 Dreamliner to ANA and the world.” We at Wind River are immensely proud to be part of the supplier team on the Boeing 787 program and our VxWorks 653 operating system environment has enabled Boeing to reduce size, weight and power of the avionics platform thereby reducing aircraft operating costs for its customers.

Certification of the Boeing 787 has been a long road. While some people have focused on the challenges surrounding production and certification delays of the Boeing 787, it’s important to understand how revolutionary this airplane really is. The 787 is the most fuel efficient, technically advanced aircraft ever certified. Given how much new technology is built into the 787, it’s understandable that the certification process took longer than some had hoped. Key attributes of the 787 include a mostly composite aircraft structure (replacing many aluminum parts), elimination of pneumatics to power aircraft systems, a highly efficient wing design and Integrated Modular Avionics which reduce weight and enable reusability of software, among others.

Continue reading >>

Linux, Common Criteria and OS Protection Profiles

By Paul Parkinson

In 2011, computer and network security news stories, which were previously the preserve of specialist journals and blogs, have become commonplace in the mainstream media. There are now many different types of threat, which are sometimes categorised into hacktivist, e-crime and most recently, advanced persistent threats (APT). Whilst some of these attacks have exploited zero day vulnerabilities, many of these attacks have simply taken advantage of the fact that systems have not been configured securely for their deployment environment.

To use an easy–to-understand analogy, consider a wireless router. This device will generally be shipped from the factory in the most flexible, open communication configuration, which will have many or all of the security options disabled. This will be fine if the wireless router is intended to be used as a free public Wi-Fi access point (e.g., cyber cafe), but not for a private business or home office if you want to prevent drive-by wireless hacks).  In these cases, wireless encryption such as WPA2 will need to be enabled for the router and clients, and access may even need to be restricted to specific clients via MAC addresses, etc.

Continue reading >>

Embedded Virtualization to Underpin Next Generation Network-Centric Operations

By Chip Downing

“Embedded virtualization” is a technology that is rapidly proliferating in global defense systems that deliver critical data to warfighters.  Embedded virtualization is typically instantiated in small layer of software called a hypervisor that controls all activities and functions on a microprocessor deployed in a military control and communications equipment.

These hypervisors can be foundations for hosting a wide range of complex, dynamic applications for network-centric operations (NCO), electronic warfare (EW) and spectrum planning/electronic warfare battle management (EWBM) systems. Hypervisors enable the migration of existing capabilities from legacy NCO programs onto next generation platforms, enabling wider integration and preserving program investment.  

Continue reading >>

Unmanned Systems No Longer Require Human, or Canine, Participation

By Joe Wlad

Forty-plus years ago, when automatic pilots were first used to perform automatic landings of large aircraft, there was a joke that was circulated among pilots everywhere. Future aircraft would be manned only by a single pilot and a dog. The pilot’s job would be to feed the dog. The dog’s job would be to bite the pilot if she or he touched anything. Today, we’ve advanced well beyond that presageful joke, and airborne systems can now operate autonomously without human, or canine, participation.

One key event taking place this week, that Wind River is exhibiting at, is the Association for Unmanned Vehicle Systems International (AUVSI) North America, which showcases the latest trends and technologies in unmanned systems. This event consistently attracts a lot of attention and participation. In fact, this year’s show in Washington, DC is likely to have record participation, which is indicative of the trends we’re seeing in automated and unmanned systems designs.

Ever since hobbyists have demonstrated the ability to control model-sized aircraft using radio signals, engineers conceived of controlling larger-scale unmanned aircraft for both military and civilian purposes. A number of the research efforts for unmanned aircraft over the past two decades have now evolved into larger rate production, and in some cases, deployment in the Iraq and Afghanistan war zones. While this is a tribute to the engineers and architects of these designs, one negative consequence of this success is that we now have many unmanned systems that cannot easily coexist with manned aircraft because lack of standards and regulatory requirements for unmanned vehicles. Moreover, the systems in use today are not interoperable. In other words, each unmanned air vehicle is tied to a unique ground station which increases the cost of design and certification.

Continue reading >>

Wind River Turns 30: Looking Back and Moving Forward

By Tomas Evensen 

2011 marks Wind River’s 30th anniversary. The big 3-0…it’s a major landmark moment in anyone’s book. This year, we’ll be taking time to honor this milestone with a retrospective of Wind River’s history and also a series of employee stories.  In my many years with the company, Wind River always impressed on me the concept of  being bigger than just a single product or technology. There is an underlying spirit within our teams that constantly reaches for more, for some greater innovation. While many customers know Wind River for the VxWorks real-time operating system, it was always part of the vision to provide more value. In the early days, this entailed providing a TCP/IP stack and GDB for debugging. Later, additional value came from strong IDE support through Tornado and Workbench. Lately, it has been by providing a choice of operating systems, real-time or open source/Linux. 

A standout example that exemplified the vision of providing a more complete solution was when we embarked on creating a truly embedded hypervisor. In 2004, it had already become clear to us that virtualization would play an important role in embedded designs at some point in the future. In early 2005, Paul Borman who worked for me in the CTO Office created a very impressive prototype, called eCPU, that ran VxWorks and Linux on a single CPU and we learned a lot from that effort. When Johan Fornaeus came on board in 2006 through an acquisition (he was co-founder of Interpeak and before that, one of the co-designers of the Enea/OSE operating system), I had him leading a small nimble task force team to develop a hypervisor really suited for the embedded space. I felt we made a real breakthrough. This was not a repackaged operating system pretending to be something it was not designed for, but instead a truly unique approach to virtualization and separation. Over the next couple years, this small team created a scalable product with an extremely tight footprint, incredible performance, while at the same time being full featured for the common architectures such as Intel, Power, ARM and MIPS.

Back in those days, it was not clear to us when and how important multi-OS systems would be in the future, but today it is hard to imagine how to deal with these new complex systems without a hypervisor for embedded virtualization. Looking at my team’s achievement now, I still marvel at how the Wind River Hypervisor brings together multi-core and our various operating systems. Why choose between operating systems with different characteristics when you can mix them in one system? Throw in a networking stack optimized for multi-core and tools that can debug and find performance bottlenecks and you get a very capable foundation on which our customers can innovate.

By constantly looking to the future, Wind River continues to evolve and further build on its expertise. The ongoing push to innovate may have created interesting and complex challenges along the way. However, it has also resulted in celebrations and breakthroughs, and it’s undoubtedly a big reason why so many of us continue to stay on the ride. 

 

Safety-Critical Systems Symposium 2011

By Paul Parkinson

I'm looking forward to the 19th annual Safety-Critical Systems Symposium which is being held in held in the UK next week.

The conference programme covers a range of subjects including safety cases, testing of safety-critical systems, updates to safety standards, and technologies. On the Thursday afternoon, I will be presenting a paper Safety, Security and Multicore.

Wind River will be participating in the exhibition which is being held on the Wednesday, and we will have a live demo of VxWorks MILS 2.0 running on the stand. So why not pop by to discuss your safety & security requirements?

 

Cybersecurity Testing & Trusted Platforms

By Paul Parkinson

In 2009, security concerns were raised about the use of Chinese telecoms equipment in the UK's critical national infrastructure ('Spy chiefs fear Chinese cyber attack', The Times), and the potential for the equipment to be inadvertently or deliberately subverted in a cyber attack.

So, I was interested to read a ZDNet UK news article last week about the Chinese telecoms company Huawei opening a cybersecurity testing centre in the UK to certify its products for use in the UK's critical national infrastructure. The centre will be staffed entirely by security-cleared UK nationals who will work in collaboration with CESG (part of the UK government intelligence agency GCHQ) as part of the certification process to ensure that the evaluations meet the government's highest security standards.

Continue Reading >>

Cost of security

By Alex Wilson

Having read Paul Parkinson's blog about  the UK National CyberSecurity Strategy, it was interesting to read this article on the US government moves towards cloud computing. I have always been surprised by the seemingly complacent attitude towards security, especially with our approach of downloading daily patches and security fixes to the variety of software installed on our PCs. In the article Rob Housman agrees with this and stated "that now is the time when the government should be putting an emphasis on security and safety rather than saving money and going for the tried and true “hack and patch” approach when problems arise."

Of course, Wind River has been presenting its security technology, Wind River VxWorks MILS Platform for a few years now. In the presentation "New Capability for the Warfighter - Multilevel Secure Systems Based on a MILS Architecture" which we created with our fellow members at The Open Group Real Time & Embedded Systems Forum  we have long been evangelising the robust partitioning approach.

Continue Reading >>

Embedded Virtualization in Gaming

By Mark Hermeling

A few weeks ago I found myself in the Hard Rock Hotel in Las Vegas. My reason for being there was a seminar that Wind River was organizing together with Intel and AVNET specifically focussed on companies that build gaming. The main topics were graphics, manageability and of course, virtualization.

I am always eager to fold real-life examples into my presentations, hence I decided to try my luck at some of the slot machines in the Hard Rock Hotel under the disguise of 'domain study'. And I have to say, the state of slot machines has progressed significantly since the last time that I was in Vegas many years ago. The top of the line machines had multiple 30" inch displays with either static or moving imagery, they had player tracking, surround sound, some of them even had imagery over the rolls themselves.

Continue Reading >>

Variable and Deterministic

By Jakob Engblom

A virtual platform like Wind River Simics is generally designed to be deterministic. Determinism brings a host of benefits to users (repeatability of bugs, reverse execution, bug transportation, etc.), but is also easily misunderstood. Quite often, users fear that they will lose an important "feature" of a physical machine - its built-in variation across runs of the same software. If the virtual platform is deterministic, surely it will not expose all the different ways a program can run that you get on a random physical machine? Yes it can.

There is a huge difference between the repeatable determinism of a virtual machine and completely invariant, predictable, predetermined behavior.

Continue Reading >>

Updates to our VxWorks MILS platform, including a new High Assurance Network Stack

By Bill Graham

This week we announced the latest update to our VxWorks MILS Platform, (for Multiple Independent Levels of Security) which includes a new High Assurance Network Stack (HANS) and guest OS support for Wind River Linux. In a previous post I discussed the growing importance of security in embedded systems. However, in so-called high assurance environments used by military and government organizations, security is an absolute requirement.

Continue Reading >>

It’s Time for Testers to Step Up

By Paul Henderson

RTC Magazine recently published an article that I wrote called "Time to Rethink Software Testing for Embedded Devices". In it I describe some of the new techniques that are possible, and I believe necessary, to delivery high quality device software for embedded devices.

• When staying 'positive' doesn't pay
• Getting negative with white box testing
• Focusing on the 'deltas' with change-based test automation

Continue Reading >>

VxWorks = Secure

By Nikhil Chauhan

A recent report describes potential security vulnerabilities in devices running VxWorks. Researcher HD Moore claimed during a recent talk ( slides) that a quarter million devices accessible directly from the Internet were found to be vulnerable.

VxWorks has a very strong track record of offering secure products. However, we also realize that vulnerabilities can affect VxWorks, even if very infrequently. In those cases, Wind River will act quickly to address any issues. Regarding recent vulnerabilities, Wind River responded rapidly with patches and remediation steps in conjunction with a public announcement by the CERT Coordination Center on August 2, 2010. Once CERT notified Wind River, Wind River immediately assessed the alert and was instructed by CERT to release a synchronous public response. We're confident that our customers know that Wind River is committed to supporting its products with the highest quality and security standards.

Continue Reading >>

The High Cost of Poor Quality – Brand, Market, Budget

By Paul Henderson

I’m continuing my series on our embedded device industry software testing survey conducted in April-May 2010 with almost 900 respondents (see previous blog posting).  If you’d like a copy of the full report in pdf, please drop me an email at [email protected] and I will send it to you.

In this section of the survey we asked participants about how they measure the high cost of poor quality. Respondents told us that the true cost of poor quality is much higher than program budget. The majority of respondents showed that the true cost of poor quality is measure by damage to company brand and lost revenue due to missed market windows.

Continue Reading >>

Inadequate Management Visibility into Quality is Eroding Confidence

By Paul Henderson

Here’s the next installment in my series on our embedded device software industry testing survey conducted in April-May 2010 with almost 900 respondents (see previous blog postings).  If you’d like a copy of the full report in pdf, please drop me an email at [email protected] and I will send it to you.

In this section of the survey we asked participants about how they measure software quality today, the metrics most often cited by survey respondents were reactive in nature such as tracking customer-reported failures and open defects rather than metrics that can help them prevent defects.

Continue Reading >>

EGNOS Satellite Navigation System Safety Certification

By Paul Parkinson

In case you missed it, yesterday Wind River announced that VxWorks has been selected for the European Geostationary Navigation Overlay Service (EGNOS), and has been chosen to run the Integrity Processing Facility (IPF) check set.

The IPF, developed and delivered by Logica, is the crucial element that validates the information broadcast by the satellites to safety-critical users such as aircraft in flight or ships navigating through narrow channels. This is essential, because satellite navigation systems alone do not provide sufficient positional accuracy to be used in safety-critical applications.

Continue Reading >>

Updates to Our VxWorks 653 Platform

By Bill Graham

In my previous post, I mentioned the update to our VxWork 653 platform but didn't go into too many details. I'll share a few more things in this post. Our VxWorks 653 Platform has been doing really well and we're quite proud of its success. In particular, our recent announcements about the Boeing 787 Dreamliner and NASA Ares X-1 programs really put a spotlight on the product. As I mentioned in my last post, it's doing well because it enables aerospace and defense companies the chance to integrate a lot of systems onto one processor.

ARINC 653 is a time partitioning scheduling specification that allows designers to create safety critical systems that share the same processor yet guarantees time and space separation for each partition. My colleague Paul Parkinson goes into some detail in this post.

Continue Reading >>