Jonathan is an architect at SysAid. He started working in tech at about the same time SysAid was founded. Since then he’s worked in bioinformatics, adtech, big data analysis and now ITSM.
This blog post will outline how SysAid uses AWS IoT Core and the MQTT over WebSocket Secure communication protocol at scale for managing remote software agents and overcoming restricted firewall rules securely.
This is based on a talk given to SysAid R&D by Dr. Shmuel UrWe’ve all been there. Someone, a lecturer, or a product manager, wants us to build something quickly. It could be a homework assignment or a proof of concept or a MVP, but the important thing is to get it out there quickly....
In recent years there’s been a lot of talk about microservices architecture. Switching from a monolithic architecture to a microservices based architecture is a complicated step that requires rethinking many aspects of development, testing, and deployment. One of the most important aspects of software architecture is communication. How do we pass messages between components? In...
Monolith to microservices is a transition that many companies are making nowadays. There are many advantages, and not a few disadvantages, to making the switch. In this post I’ll show how we diverted some of our traffic from our monolith to a new microservice and the benefits we reaped from that change. The problem SysAid’s...
In our last two posts on Reducing Traffic by using AWS IoT (part 1 and part 2) we discussed how we used AWS IoT to reduce our polling traffic and how we can establish connections to AWS IoT through our clients’ firewalls. But, we left out an important part – monitoring. There are three things...
In the previous post we saw how we used IoT to significantly reduce polling traffic to our servers. But there’s a twist. Some of our clients’ firewalls not only block incoming traffic, they also block outgoing traffic. Remember that for IoT to work the client must create a persistent connection to the AWS IoT servers...
Here at SysAid, to help us track our clients’ computing resources (computers, printers etc.), we have software agents running on client sites. These periodically report to our servers on the resources’ status. Reports are relayed to our servers using encrypted HTTP requests. Occasionally we have to send messages from our servers to the agents instructing...
This is the story of how we achieved high availability and session persistence in our Tomcat clusters. Years ago, before the Cloud was born, SysAid was founded. During those dark times software ran on bare metal, there were no microservices and AWS was just a twinkle in Andy Jassy’s eye. Things were a lot different...
In recent years there’s been a lot of talk about microservices architecture. Switching from a monolithic architecture to a microservices based architecture is a complicated step that requires rethinking many aspects of development, testing, and deployment. One of the most important aspects of software architecture is communication. How do we pass messages between components? In...
This is the story of how we achieved high availability and session persistence in our Tomcat clusters. Years ago, before the Cloud was born, SysAid was founded. During those dark times software ran on bare metal, there were no microservices and AWS was just a twinkle in Andy Jassy’s eye. Things were a lot different...
This blog post will outline how SysAid uses AWS IoT Core and the MQTT over WebSocket Secure communication protocol at scale for managing remote software agents and overcoming restricted firewall rules securely.
In our last two posts on Reducing Traffic by using AWS IoT (part 1 and part 2) we discussed how we used AWS IoT to reduce our polling traffic and how we can establish connections to AWS IoT through our clients’ firewalls. But, we left out an important part – monitoring. There are three things...
This is based on a talk given to SysAid R&D by Dr. Shmuel UrWe’ve all been there. Someone, a lecturer, or a product manager, wants us to build something quickly. It could be a homework assignment or a proof of concept or a MVP, but the important thing is to get it out there quickly....
Here at SysAid, to help us track our clients’ computing resources (computers, printers etc.), we have software agents running on client sites. These periodically report to our servers on the resources’ status. Reports are relayed to our servers using encrypted HTTP requests. Occasionally we have to send messages from our servers to the agents instructing...
In the previous post we saw how we used IoT to significantly reduce polling traffic to our servers. But there’s a twist. Some of our clients’ firewalls not only block incoming traffic, they also block outgoing traffic. Remember that for IoT to work the client must create a persistent connection to the AWS IoT servers...
Monolith to microservices is a transition that many companies are making nowadays. There are many advantages, and not a few disadvantages, to making the switch. In this post I’ll show how we diverted some of our traffic from our monolith to a new microservice and the benefits we reaped from that change. The problem SysAid’s...
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