12. Setting Up Network Load Balancers with Route 53
"Hello, I'm Kiran Pawar, a passionate Cloud and Devops Engineer with a strong background in cloud automation, configuration, and deployment. My journey in the world of technology has been a thrilling adventure, where I've had the privilege to work with cutting-edge tools and practices.
🚀 As a DevOps Engineer:
I specialize in automating, configuring, and deploying instances in cloud environments and data centers. My expertise extends to DevOps, GitOps, CI/CD pipeline management, HashiCorp Terraform, and containerization. I'm proficient in AWS and Linux/Unix administration, ensuring robust infrastructure and application performance.
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Front-end skills: HTML, CSS, SCSS, Tailwind CSS, Bootstrap, React, Material-UI, JavaScript DevOps toolbox: GIT, OWASP,Nexus,Trivy, Github, Gitlab, Terraform, Ansible, Docker, Kubernetes, Helm, Jenkins, Prometheus, Grafana, Argo CD, AWS EKS.
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I have hands-on experience managing AWS services, including EC2, S3, EBS, VPC, ELB, RDS, IAM, Route53, and more.
🔒 Networking and Security:
My skills include managing networking concepts such as TCP/IP protocols, security policies, and subnet interfacing. I have a strong understanding of infrastructure and networking, covering topics like firewalls, IP addressing, DNS, and more.
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I bring a positive attitude, a strong work ethic, and a collaborative spirit to every project. I'm a self-starter, a fast learner, and an effective team player with strong interpersonal skills. In addition to my DevOps skills, I've developed shell scripts (Bash) for automating tasks and have proficiency in Python scripting. My ability to communicate and manage projects, along with a track record of resolving client issues, adds value to every team I work with. If you're looking for a DevOps engineer who is also well-versed in front-end technologies, feel free to connect with me. Let's explore new possibilities and create exceptional technical solutions together!"
Commands for Load balancing checking !!!
while true; do curl -sL https://www.cloudvishwakarma.in/ | grep -i 'ip-10-0'; sleep 1; done
while true; do curl -sL https://www.cloudvishwakarma.in/ | grep -i 'ip-10-0'; sleep 1; done | tee -a awsnlb.log
cat awsnlb.log | grep -i ip-10-0-156-5 | wc -l
#!/bin/bash
sudo apt update sudo apt install nginx -y sudo systemctl restart nginx sudo systemctl enable nginx echo "
$(cat /etc/hostname)
" >> /var/www/html/index.nginx-debian.html echo "
US-EAST-1A-SERVERS
" >> /var/www/html/index.nginx-debian.html
Network Load Balancer (NLB)
In AWS, load balancers play a crucial role in distributing incoming traffic across multiple targets to ensure high availability, fault tolerance, and scalability of applications. Let's explore the Network Load Balancer (NLB), one of the types of load balancers offered by AWS.
Overview:
NLB operates at Layer 4 (Transport Layer) of the OSI model, making it ideal for handling TCP and UDP traffic. It provides ultra-high performance and low-latency load balancing, making it suitable for use cases that require extreme performance and scalability.
Key Features:
Layer 4 Load Balancing:
- NLB operates at the transport layer, allowing it to efficiently distribute traffic based on IP protocol data (TCP or UDP).
High Performance:
- NLB offers high throughput and low latency, making it suitable for latency-sensitive and high-traffic applications.
Cross-Zone Load Balancing:
- NLB supports cross-zone load balancing, enabling it to distribute traffic evenly across instances in different availability zones within the same region.
Target Groups:
- NLB forwards incoming traffic to a target group, which can include EC2 instances, IP addresses, or Lambda functions.
Practical Implementation:
Setting Up NLB:
- Create a Network Load Balancer in the AWS Management Console, specifying the listeners, target group, and other configuration details.
Testing Load Balancing:
- Use tools like
curlto send requests to the NLB's DNS name and observe the distribution of traffic across the registered targets.
- Use tools like
Monitoring and Optimization:
- Utilize AWS CloudWatch metrics to monitor the performance of the NLB and optimize its configuration based on traffic patterns and application requirements.
Advantages and Use Cases:
Highly Scalable Applications:
- NLB is well-suited for applications that require high scalability and handle a large volume of traffic, such as gaming platforms, media streaming services, and IoT applications.
Latency-Sensitive Workloads:
- Applications with stringent latency requirements, such as financial trading platforms and real-time communication services, benefit from NLB's low-latency load balancing capabilities.
UDP-Based Applications:
- NLB is ideal for UDP-based applications like DNS servers, VoIP services, and online gaming platforms that require efficient load balancing of UDP traffic.
By leveraging Network Load Balancer, AWS customers can ensure the reliability, scalability, and performance of their applications, especially in scenarios where low latency and high throughput are paramount.
