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TjeerdSaijoen

  • CEO at Rufusforyou LLC
  • Has 10+ Years Of Experience
Badges
95 Points4 YearsTop 20
User Activity
Almost 3 years ago
Answered a question: What tool should I use to monitor my applications' output?
This depends if you need infrastructure monitoring, Network, or transaction and do you need total observability and cost savings integrated.
Almost 3 years ago
Answered a question: Which Database Activity Monitoring tool is best for cloud environments?
Instana is a great product, it monitors different databases in the cloud and with Turbonomic on top  you save cost and lower your sustainability footprint as well If you have knowledge of performance, Instana will deliver great value. 
Over 3 years ago
Answered a question: Which would you choose: Instana, New Relic or Grafana?
I have worked with a lot of APM tools like Instana, New Relic, and Grafana, I prefer Instana because it is easy to install, and the configuration is very simple but more importantly, it provides what I need to find a solution to a problem. With the integration of Turbonomic…
Almost 4 years ago
Answered a question: Do you recommend LogicMonitor?
Most of the monitor tools are good but more important is the presentation of the dashboard and the explanation of the events.  If you don't have knowledge of the events, a simple example:  I have a 10 TB disk and only 19 % is free. Most of the tools will give an alert but…
Almost 4 years ago
Replied to TjeerdSaijoen Which Network Analyzer and Network Configuration Manager do you recommend?
@Shibu Babuchandran yes Riverbed has several use cases, check Digital Experience Innovation & Acceleration | Riverbed also riverbed is one of the companies focused on networks and network deduction, I work with a lot of tools and have a long history, today you need a total…
Almost 4 years ago
Answered a question: Which Network Analyzer and Network Configuration Manager do you recommend?
I recommend checking Riverbed, depending on what you need: SNMP, MIB, or Flow. They have many tools available but they are not open source.  
About 4 years ago
Answered a question: What are the best container monitoring tools?
You have a lot of tools available for container monitoring.  I use Instana and Turbonomic. Instana - because it is easy to install and gives me full visibility over the enterprise. Turbonomic - because it reduced a cloud cost and put the automation in. Regards,  Tjeerd
About 4 years ago
Answered a question: What is the difference between denial of service and distributed denial of service?
A DoS attack is a denial of service attack where a computer is used to flood a server with TCP and UDP packets the target system is unable to respond to.  A DDoS attack is where multiple systems target a single system with a DoS attack. The targeted network is then bombarded…
About 4 years ago
Answered a question: What is Unified Cloud Security? Can you define the scope and use cases of the term?
You can compare it with observability - another new term in the IT landscape.  In the past, you had to deal with mainframes. Next, we started with a distributed PC landscape and now we're dealing with cloud, multi-cloud, hybrid, micro-services, etc.  Due to this point, tools…
Over 4 years ago
Answered a question: What software solution would you recommend to monitor user machines?
It depends on what you like to monitor.  You can use an APM tool - it can monitor transactions to the enduser. Or you can use a tool like riverbed and monitor with NetFlow the complete network and devices like user machines. 
Over 4 years ago
Answered a question: Who are the leaders of the Gartner Magic Quadrant for APM in 2021?
Yes, Dynatrace and AppDynamics are number 1 and 2.  I have worked for a long time with both of them.  Within IT everything is changing fast and I'm sure Instana with Turbonomics will be the next one. It is not only monitoring but as well financial visibility and automated…
Over 4 years ago
Answered a question: What application performance monitoring tool can perform end to end monitoring?
You have many tools available like Dynatrace, IBM APM, Instana, APP dynamics and many more, depending on price scalability and functionality.  I prefer Instana in combination with Turbonomic because this combo takes automatic action on an event if it is allowed by a policy…
Over 4 years ago
Answered a question: What are the main storage requirements to support Artificial Intelligence and Deep Learning applications?
Storage requirements are depending on several factors.  For example, the language you will use, the data you will receive, do you use a RAID, etc. 
Over 4 years ago
Answered a question: What is the best tool for SQL monitoring in a large enterprise?
It is depending on what you need to monitor. Do you need to monitor transactions, or code or the SQL software and parameter values If it is for transactions, you have many tools. The best ones are Instana, Dynatrace. Both are easy to install and more importantly easy to…
Projects
Over 4 years ago
Monitoring and remediation on alerts across the complete
Monitoring and remediation on alerts across the complete enterprise including onpremis, cloud, multicloud and hybrid across the globe
Over 4 years ago
Log4J detection
Log4J detection, rewrite our monitors and AI to detect all jar vulnerable jar files and make them visible with an alert in Instana, detect the application using the vulnerable files, If found check at the vendor site if a fix is available and update automatically with…
Experience
Other Skills
Turbomatic, IBM ITM, IBM APM, APPDYNAMICS, Dynatrace, Instana, Netcool, Linux, Windows, Assembler, Cobol, VTAM, NCP, DB2, Oracle, JDEDWARDS, AIX, SYSTEM I, SYSTEM Z
Answers
Almost 3 years ago
Application Performance Monitoring (APM) and Observability
What tool should I use to monitor my applications' output?
Almost 3 years ago
Database Development and Management
Which Database Activity Monitoring tool is best for cloud environments?
Over 3 years ago
Application Performance Monitoring (APM) and Observability
Which would you choose: Instana, New Relic or Grafana?
Almost 4 years ago
Application Performance Monitoring (APM) and Observability
Do you recommend LogicMonitor?
Almost 4 years ago
Network Diagnostics
Which Network Analyzer and Network Configuration Manager do you recommend?
About 4 years ago
Container Monitoring
What are the best container monitoring tools?
About 4 years ago
Distributed Denial-of-Service (DDoS) Protection
What is the difference between denial of service and distributed denial of service?
About 4 years ago
Cloud Security Posture Management (CSPM)
What is Unified Cloud Security? Can you define the scope and use cases of the term?
Over 4 years ago
Business Activity Monitoring
What software solution would you recommend to monitor user machines?
Over 4 years ago
Application Performance Monitoring (APM) and Observability
Who are the leaders of the Gartner Magic Quadrant for APM in 2021?
Over 4 years ago
Application Performance Monitoring (APM) and Observability
What application performance monitoring tool can perform end to end monitoring?
Over 4 years ago
AI Development Platforms
What are the main storage requirements to support Artificial Intelligence and Deep Learning applications?
Over 4 years ago
IT Infrastructure Monitoring
What is the best tool for SQL monitoring in a large enterprise?
About me

I started as system programmer in The Netherlands, moved to Germany to consolidate 3 mainframes to Racine USA
move with the family first to France to lead the European network team, after that to Germany and finally to the USA. Did a lot of consultancy jobs for IBM USA at NASA in facility management , Case Corporation as Network manager, security manager, and development manager, spend 2 years at Warner Bros and move back to The Netherlands at IBM Zoetermeer running a SAP outsourcing project for Phillips. Move to Belgium to setup a monitoring and performance center. moved back to the USA to develop an new AI system monitoring and take automatically action if something goes wrong. or scheduled action if required

Certifications
  • WEBSPHERE
  • DB2
  • Oracle
  • Architecture
  • Design
  • ESX
Employers

Managed a team of 300 employees

Education

HBO, Many internal IBM training, Riverbed certificates

Interesting Projects and Accomplishments
Over 4 years ago
Monitoring and remediation on alerts across the complete
Over 4 years ago
Log4J detection