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Few days ago Microsoft was included in the ranking of the 10 most innovative companies of 2015 as part of the Internet of Things and this result can not be absolutely considered a case. Most likely, the main reasons that have enabled Microsoft to achieve this great result are two :
The announcement of an operating system like Windows 10 that is able to run on any kind of device, from embedded systems, smartphones, tablets, gaming consoles and finally to the PC;
The wide Microsoft Azure cloud services offer through which you can "accommodate" and analyze in real time the huge amount of data from the "things";
The Microsoft offer for the Internet of Things covers everything from embedded device (the "T") to the Cloud (the "I") failing to provide a solution under one "hat".
What are the available technologies ? How can we really "bring" our "things" in the Cloud and make them an integral part of the Internet of "Your" Things as it was renamed by Microsoft ...
Finally the new M2Mqtt 4.1 version is out !
In the last months, my library was under pressure thanks to my friends Olivier Vigliengo (from Adeneo) and Nicolas Besson (Microsoft MVP on Windows Embedded, from Adeneo). They used the MQTT client for their hobbistic projects and stressed it a lot !
After exchanging a lot of emails with log traces, I fixed some bugs and added some improvements to the library.
In this post we'll see a big difference on "string interning" mechanism between .Net Framework and .Net Micro Framework ...
Developing on all versions of the .Net Framework (full, compact and micro) I have always the portability problem and I avoid to use methods that are not available in one of three framework or using directives for precompilation.
It never happened a case where the method exists in all the frameworks but the parameters have a different meaning ... are even reversed !!
The method in question is the overload Regex.Split(String, String, RegexOptions) !
In the Internet of Things world and especially when we are going to protect the data transmitted by an embedded system from prying eyes through encryption algorithms (AES, DES, 3DES, RSA, ...) and with related network protocols (SSL, TLS , DTLS, ...), correct date/time on our board plays a fundamental role.
In fact, the encryption algorithms are strongly based on Pseudor-Random Number Generators (PRNG), which often needs to use the current date/time as a "seed" of the generation. Being pseudo-random generators and not real generators, it is important that for each system boot the "seed" is different otherwise the generated sequence is the same as the earlier boot and therefore predictable.
After about a month of work during my free time, it's finally time to release the new version of the M2Mqtt library (18.104.22.168) and the related GnatMQ broker (0.9.3.0 Beta) with the MQTT OASIS 3.1.1specification support (in addition to some bug fixes).
Who knows the MQTT protocol, used in the Internet of Things market, also knows that the reference project for it is Paho of the Eclipse Foundation.
In this large list, until a few days ago, an implementation in C# usable on .Net and WinRT platforms was missing . This gap was filled with my M2Mqtt project that is now officially under Paho umbrella for which I’m officially a committer !
This time another new and exciting experience as speaker … at Community Days 2014 in Rome with all Microsoft italian communitis !
For the first time, I had the honour to have a session with me “big” friend Valter Minute, from which you never stop learning something new. Of course, the topic was the Internet of Things and this time with a washing machine as protagonist !
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