Application Storage, Data Storage
Article | July 12, 2023
Every business or organization has spent a lot of time and energy building its network infrastructure. The right resources have taken countless hours to establish, ensuring that their network offers connectivity, operation, management, and communication. Their complex hardware, software, service architecture, and strategies are all working for optimum and dependable use.
Setting up a security strategy for your network requires ongoing, consistent work. Therefore, the first step in implementing a security technique is to do so. The underlying architecture of your network should consider a range of implementation, upkeep, and continuous active procedures.
Network infrastructure security requires a comprehensive strategy that includes best practices and continuing procedures to guarantee that the underlying infrastructure is always safe. A company's choice of security measures is determined by:
Appropriate legal requirements
Rules unique to the industry
The specific network and security needs
Security for network infrastructure has numerous significant advantages. For example, a business or institution can cut expenses, boost output, secure internal communications, and guarantee the security of sensitive data.
Hardware, software, and services are vital, but they could all have flaws that unintentional or intentional acts could take advantage of. Security for network infrastructure is intended to provide sophisticated, comprehensive resources for defense against internal and external threats. Infrastructures are susceptible to assaults like denial-of-service, ransomware, spam, and illegal access.
Implementing and maintaining a workable security plan for your network architecture can be challenging and time-consuming. Experts can help with this crucial and continuous process. A robust infrastructure lowers operational costs, boosts output, and protects sensitive data from hackers. While no security measure will be able to prevent all attack attempts, network infrastructure security can help you lessen the effects of a cyberattack and guarantee that your business is back up and running as soon as feasible.
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Hyper-Converged Infrastructure, Application Infrastructure
Article | July 19, 2023
Containers have emerged as a choice for deploying and scaling applications, owing to their lightweight, isolated, and portable nature. However, the absence of robust security measures may expose containers to diverse threats, thereby compromising the confidentiality and integrity of data and apps.
Contents
1 Introduction
2 IaaS Container Security Techniques
2.1 Container Image Security
2.2 Host Security
2.3 Network Security
2.4 Data Security
2.5 Identity and Access Management (IAM)
2.6 Runtime Container Security
2.7 Compliance and Auditing
3 Conclusion
1. Introduction
Infrastructure as a Service has become an increasingly popular way of deploying and managing applications, and containerization has emerged as a leading technology for packaging and deploying these applications. Containers are software packages that include all the necessary components to operate in any environment. While containers offer numerous benefits, such as portability, scalability, and speed, they also introduce new security challenges that must be addressed.
Implementing adequate IaaS container security requires a comprehensive approach encompassing multiple layers and techniques. This blog explores the critical components of IaaS container security. It provides an overview of the techniques and best practices for implementing security measures that ensure the confidentiality and integrity of containerized applications. By following these, organizations can leverage the benefits of IaaS and containerization while mitigating the security risks that come along.
2. IaaS Container Security Techniques
The increasing IAAS security risks and security issues associated with IAAS these days are leading to a massive data breach. Thus, IAAS security concerns are taken into consideration, and seven best techniques are drafted below.
2.1. Container Image Security:
Container images are the building blocks of containerized applications. Ensuring the security of these images is essential to prevent security threats. The following measures are used for container image security:
Using secure registries: The registry is the location where container images are stored and distributed. Usage of centrally managed registries on campus, the International Organization for Standardization (ISO) can scan them for security issues and system managers may simply assess package gaps, etc.
Signing images: Container images can be signed using digital signatures to ensure their authenticity. Signed images can be verified before being deployed to ensure they have not been tampered with.
Scanning images: Although standard AppSec tools such as Software Composition Analysis (SCA) can check container images for vulnerabilities in software packages and dependencies, extra dependencies can be introduced during the development process or even at runtime.
2.2. Host Security:
Host security is a collection of capabilities that provide a framework for implementing a variety of security solutions on hosts to prevent attacks. The underlying host infrastructure where containers are deployed must be secured. The following measures are used for host security:
Using secure operating systems: The host operating system must be safe and up-to-date with the latest high severity security patches within 7 days of release, and others, within 30 days to prevent vulnerabilities and security issues.
Applying security patches: Security patches must be applied to the host operating system and other software packages to fix vulnerabilities and prevent security threats.
Hardening the host environment: The host environment must be hardened by disabling unnecessary services, limiting access to the host, and applying security policies to prevent unauthorized access.
2.3. Network Security:
Network security involves securing the network traffic between containers and the outside world. The following measures are used for network security:
Using Microsegmentation and firewalls: Microsegmentation tools with next-gen firewalls provide container network security. Microsegmentation software leverages network virtualization to build extremely granular security zones in data centers and cloud applications to isolate and safeguard each workload.
Encryption: Encryption can protect network traffic and prevent eavesdropping and interception of data.
Access control measures: Access control measures can restrict access to containerized applications based on user roles and responsibilities.
2.4. Data Security:
Data stored in containers must be secured to ensure its confidentiality and integrity. The following measures are used for data security:
Using encryption: Data stored in containers can be encrypted, using Transport Layer Security protocol version 1.1. (TLS 1.1) or higher, to protect it from unauthorized access and prevent data leaks. All outbound traffic from private cloud should be encrypted at the transport layer.
Access control measures: Access control measures can restrict access to sensitive data in containers based on user roles and responsibilities.
Not storing sensitive data in clear text: Sensitive data must not be stored in clear text within containers to prevent unauthorized access and data breaches. Backup app data, atleast weekly.
2.5. Identity and Access Management (IAM):
IAM involves managing access to the container infrastructure and resources based on the roles and responsibilities of the users. The following measures are used for IAM:
Implementing identity and access management solutions: IAM solutions can manage user identities, assign user roles and responsibilities, authenticate and provide access control policies.
Multi-factor authentication: Multi-factor authentication can add an extra layer of security to the login process.
Auditing capabilities: Auditing capabilities can monitor user activity and detect potential security threats.
2.6. Runtime Container Security:
To keep its containers safe, businesses should employ a defense-in-depth strategy, as part of runtime protection.
Malicious processes, files, and network activity that deviates from a baseline can be detected and blocked via runtime container security.
Container runtime protection can give an extra layer of defense against malicious code on top of the network security provided by containerized next-generation firewalls.
In addition, HTTP layer 7 based threats like the OWASP Top 10, denial of service (DoS), and bots can be prevented with embedded web application and API security.
2.7. Compliance and Auditing:
Compliance and auditing ensure that the container infrastructure complies with relevant regulatory and industry standards. The following measures are used for compliance and auditing:
Monitoring and auditing capabilities: Monitoring and auditing capabilities can detect and report cloud security incidents and violations.
Compliance frameworks: Compliance frameworks can be used to ensure that the container infrastructure complies with relevant regulatory and industry standards, such as HIPAA, PCI DSS, and GDPR.
Enabling data access logs on AWS S3 buckets containing high-risk Confidential Data is one such example.
3. Conclusion
IaaS container security is critical for organizations that rely on containerization technology for deploying and managing their applications. There is likely to be an increased focus on the increased use of AI and ML to detect and respond to security incidents in real-time, the adoption of more advanced encryption techniques to protect data, and the integration of security measures into the entire application development lifecycle.
In order to stay ahead of the challenges and ensure the continued security of containerized applications, the ongoing process of IaaS container security requires continuous attention and improvement. By prioritizing security and implementing effective measures, organizations can confidently leverage the benefits of containerization while maintaining the confidentiality and integrity of their applications and data.
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Hyper-Converged Infrastructure
Article | July 13, 2023
Adopting DevOps and CD in IaaS environments is a strategic imperative for organizations seeking to achieve agility, competitiveness, and customer satisfaction in their software delivery processes.
Contents
1. Introduction
2. What is IaaS Virtualization?
3. Virtualization Techniques for DevOps and Continuous Delivery
4. Integration of IaaS with CI/CD Pipelines
5. Considerations in IaaS Virtualized Environments
5.1. CPU Swap Wait
5.2. CPU System/Wait Time for VKernel:
5.3. Memory Balloon
5.4.Memory Swap Rate:
5.5. Memory Usage:
5.6. Disk/Network Latency:
6. Industry tips for IaaS Virtualization Implementation
6.1. Infrastructure Testing
6.2. ApplicationTesting
6.3. Security Monitoring
6.4. Performance Monitoring
6.5. Cost Optimization
7. Conclusion
1. Introduction
Infrastructure as a Service (IaaS) virtualization presents significant advantages for organizations seeking to enhance their agility, flexibility, and speed to market within the DevOps and continuous delivery frameworks. Addressing the associated risks and challenges is crucial and can be achieved by employing the appropriate monitoring and testing techniques, enlisted further, in this blog.
IaaS virtualization allows organizations to provision and de-provision resources as needed, eliminating the need for long-term investments in hardware and data centers. Furthermore, IaaS virtualization offers the ability to operate with multiple operating systems, databases, and programming languages, empowering teams to select the tools and technologies that best suit their requirements.
However, organizations must implement comprehensive testing and monitoring strategies, ensure proper security and compliance controls, and adopt the best resource optimization and management practices to leverage the full potential of virtualized IaaS. To achieve high availability and fault tolerance along with advanced networking, enabling complex application architectures in IaaS virtualization, the blog mentions five industry tips.
2. What is IaaS Virtualization?
IaaS virtualization involves simultaneously running multiple operating systems with different configurations. To run virtual machines on a system, a software layer known as the virtual machine monitor (VMM) or hypervisor is required.
Virtualization in IaaS handles website hosting, application development and testing, disaster recovery, and data storage and backup. Startups and small businesses with limited IT resources and budgets can benefit greatly from virtualized IaaS, enabling them to provide the necessary infrastructure resources quickly and without significant capital expenditures.
Virtualized IaaS is a potent tool for businesses and organizations of all sizes, enabling greater infrastructure resource flexibility, scalability, and efficiency.
3. Virtualization Techniques for DevOps and Continuous Delivery
Virtualization is a vital part of the DevOps software stack. Virtualization in DevOps process allows teams to create, test, and implement code in simulated environments without wasting valuable computing resources. DevOps teams can use the virtual services for thorough testing, preventing bottlenecks that could slow down release time. It heavily relies on virtualization for building intricate cloud, API, and SOA systems. In addition, virtual machines benefit test-driven development (TDD) teams that prefer to begin their troubleshooting at the API level.
4. Integration of IaaS with CI/CD Pipelines
Continuous integration is a coding practice that frequently implements small code changes and checks them into a version control repository. This process not only packages software and database components but also automatically executes unit tests and other tests to provide developers with vital feedback on any potential breakages caused by code changes.
Continuous testing integrates automated tests into the CI/CD pipeline. For example, unit and functionality tests identify issues during continuous integration, while performance and security tests are executed after a build is delivered in continuous delivery. Continuous delivery is the process of automating the deployment of applications to one or more delivery environments.
IaaS provides access to computing resources through a virtual server instance, which replicates the capabilities of an on-premise data center. It also offers various services, including server space, security, load balancing, and additional bandwidth. In modern software development and deployment, it's common to integrate IaaS with CI/CD pipelines. This helps automate the creation and management of infrastructure using infrastructure-as-code (IAC) tools. Templates can be created to provision resources on the IaaS platform, ensuring consistency and meeting software requirements. Additionally, containerization technologies like Docker and Kubernetes can deploy applications on IaaS platforms.
5. Considerations in IaaS Virtualized Environments
5.1. CPU Swap Wait
The CPU swap wait is when the virtual system waits while the hypervisor swaps parts of the VM memory back in from the disk. This happens when the hypervisor needs to swap, which can be due to a lack of balloon drivers or a memory shortage. This can affect the application's response time. One can install the balloon driver and/or reduce the number of VMs on the physical machine to resolve this issue.
5.2. CPU System/Wait Time for VKernel
Virtualization systems often report CPU or wait time for the virtualization kernel used by each virtual machine to measure CPU resource overhead. While this metric can't be directly linked to response time, it can impact both ready and swap times if it increases significantly. If this occurs, it could indicate that the system is either misconfigured or overloaded, and reducing the number of VMs on the machine may be necessary.
5.3. Memory Balloon
Memory ballooning is a memory management technique used in virtualized IaaS environments. It works by injecting a software balloon into the VM's memory space. The balloon is designed to consume memory within the VM, causing it to request more memory from the hypervisor. As a result, if the host system is experiencing low memory, it will take memory from its virtual infrastructures, thus negatively affecting the guest's performance, causing swapping, reduced file-system buffers, and smaller system caches.
5.4. Memory Swap Rate
Memory swap rate is a performance metric used in virtualized IaaS environments to measure the amount of memory being swapped to disk. When the swap rate is high, it leads to longer CPU swap times and negatively affects application performance. In addition, when a VM is running, it may require more memory than is physically available on the server. In such cases, the hypervisor may use disk space as a temporary storage area for excess memory. Therefore, to optimize, it is important to ensure that VMs have sufficient memory resources allocated.
5.5. Memory Usage
Memory usage refers to the amount of memory being used by a VM at any given time. Memory usage is assessed by analyzing the host level, VM level, and granted memory. When memory usage exceeds the available physical memory on the server, the hypervisor may use disk space as a temporary storage area for excess memory, leading to performance issues. The disparity between used and granted memory indicates the overcommitment rate, which can be adjusted through ballooning.
5.6. Disk/Network Latency
Some virtualization providers provide integrated utilities for assessing the latency of disks and network interfaces utilized by a virtual machine. Since latency directly affects response time, increased latency at the hypervisor level will also impact the application. An excessive amount of latency indicates the system is overloaded and requires reconfiguration. These metrics enable us to monitor and detect any negative impact a virtualized system might have on our application.
6. Industry tips for IaaS Virtualization Implementation
Testing, compliance management and security arecritical aspects of managing virtualized IaaS environments . By implementing a comprehensive strategy, organizations ensure their infrastructure and applications' reliability, security, and performance.
6.1. Infrastructure Testing
This involves testing the infrastructure components of the IaaS environment, such as the virtual machines, networks, and storage, aiming to ensure the infrastructure is functioning correctly and that there are no performance bottlenecks, security vulnerabilities, or configuration issues. Testing the virtualized environment, storage testing (testing data replication and backup and recovery processes), and network testing are some of the techniques to be performed.
6.2. Application Testing
Applications running on the IaaS virtual environment should be thoroughly tested to ensure they perform as expected. This includes functional testing to ensure that the application meets its requirements and performance testing to ensure that the application can handle anticipated user loads.
6.3. Security Monitoring
Security monitoring is critical in IaaS environments, owing to the increased risks and threats. This involves monitoring the infrastructure and applications for potential security threats, vulnerabilities, or breaches. In addition, regular vulnerability assessments and penetration testing help identify and address potential security issues before they become significant problems.
6.4. Performance Monitoring
Performance monitoring is essential to ensuring that the underlying infrastructure meets performance expectations and has no performance bottlenecks. This comprises monitoring metrics such as CPU usage, memory usage, network traffic, and disk utilization. This information is used to identify performance issues and optimize resource usage.
6.5. Cost Optimization
Cost optimization is a critical aspect of a virtualized IaaS environment with optimized efficiency and resource allocation. Organizations reduce costs and optimize resource usage by identifying and monitoring usage patterns and optimizing elastic and scalable resources. It involves right-sizing resources, utilizing infrastructure automation, reserved instances, spot instances (unused compute capacity purchased at a discount), and optimizing storage usage.
7. Conclusion
IaaS virtualization has become a critical component of DevOps and continuous delivery practices. To rapidly develop, test, and deploy applications with greater agility and efficiency by providing on-demand access to scalable infrastructure resources to Devops teams, IaaS virtualization comes into picture. As DevOps teams continue to seek ways to streamline processes and improve efficiency, automation will play an increasingly important role. Automated deployment, testing, and monitoring processes will help reduce manual intervention and increase the speed and accuracy of development cycles. In addition, containers will offer a lightweight and flexible alternative to traditional virtualization, allowing DevOps teams to package applications and their dependencies into portable, self-contained units that can be easily moved between different environments. This can reduce the complexity of managing virtualized infrastructure environments and enable greater flexibility and scalability. By embracing these technologies and integrating them into their workflows, DevOps teams can achieve greater efficiency and accelerate their delivery of high-quality software products.
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Hyper-Converged Infrastructure, Windows Systems and Network
Article | July 11, 2023
Streamlining operations and maximizing efficiency: Choose the right tools for managing and orchestrating hyper-converged infrastructure to unlock its full potential with Hyperconverged solutions.
Managing and orchestrating hyper-converged infrastructure (HCI) is critical to modern IT operations. With the growing adoption of HCI solutions, choosing the right tools for management and orchestration is essential for organizations to optimize their infrastructure and ensure seamless operations. In this article, we will delve into the factors to consider when selecting Hyper-Converged tools for management and orchestration and explore some of the top options available in the market.
1. Symcloud Orchestrator
The Symcloud platform is a webscale solution designed for metal-service automation and orchestration in telecommunications. It enables the automation and management of various network components, including RAN (Radio Access Network), packet core, and MEC (Multi-Access Edge Computing). With Symcloud, businesses can centrally manage large numbers of CNF (Cloud-Native Function) and VNF (Virtual Network function) capable Kubernetes clusters on a single Kubernetes platform. The platform allows for rapid deployment of the entire solution stack in minutes, supporting edge, far edge, and core data centers. Symcloud provides advanced monitoring, planning, and healing capabilities, enabling users to view hardware, software, services, and connectivity dependencies. The architecture of Symcloud Orchestrator combines app-aware storage, virtual networking, and application workflow automation on Kubernetes. Symcloud Storage provides advanced storage and data management capabilities for Kubernetes distributions, seamlessly integrating with native administrative tooling. Symcloud Platform is a Kubernetes infrastructure that supports containers and virtual machines, offering superior performance, features, and flexibility.
2. Morpheus
Morpheus Data is a comprehensive hybrid cloud management platform that empowers enterprises to manage and modernize their applications while reducing costs and improving efficiency. With Morpheus, businesses can quickly enable on-premises private clouds, centralize access to public clouds, and orchestrate changes with advanced features like cost analytics, governance policies, and automation. It provides a unified view of virtual machines, clouds, containers, and applications in a single location, regardless of the private or public cloud environment. Morpheus offers responsive support from an expert team and features an extensible design. It helps centralize platforms, create private clouds, manage public clouds, and streamline Kubernetes deployments. This tool also enables compliance assurance through simplified authentication, access controls, policies, and security management. By automating application lifecycles, running workflows, and simplifying day-to-day operations, Morpheus helps modernize applications. The platform optimizes cloud costs by inventorying existing resources, right-sizing them, tracking cloud spending, and providing centralized visibility.
3. The Kubernetes Database-as-a-Service Platform
Portworx Data Services is a Kubernetes Database-as-a-Service (DBaaS) platform that offers a single solution for deploying, operating, and managing various data services without being locked into a specific vendor. It simplifies heterogeneous databases' deployment and day-to-day operations, eliminating the need for specialized expertise. With one click, organizations can deploy enterprise-grade data services with built-in capabilities like backup, restore, high availability, data recovery, security, capacity management, and migration. The platform supports a broad catalog of data services, including SQL Server, MySQL, PostgreSQL, MongoDB, Redis, Elasticsearch, Cassandra, Couchbase, Kafka, Consul, RabbitMQ, and ZooKeeper. Portworx Data Services provides a consistent DBaaS experience on any infrastructure, whether on-premises or in the cloud, enabling seamless migration based on evolving business requirements.
4. DCImanager
DCImanager- a platform for managing multivendor IT infrastructure is a comprehensive platform for providing a unified interface to oversee and control all equipment types, including racks, servers, network devices, PDUs, and virtual networks. It is suitable for servers and data centers of any size, including distributed environments. DCImanager eliminates the need for additional tools and associated maintenance costs, allowing users to work seamlessly with equipment from popular vendors. With DCImanager, users can efficiently manage servers remotely, automate maintenance tasks, monitor power consumption, configure network settings, track inventory, visualize racks, and receive timely notifications. With over 16 years of experience, DCImanager is a reliable solution trusted by thousands of companies worldwide, backed by professional support.
5. EasyDCIM
EasyDCIM, a cloud-like bare metal server provisioning is a comprehensive and hassle-free data center administration solution that offers an all-in-one platform for managing daily tasks without requiring multiple software tools. It provides mobility, allowing remote management of data centers from any location and device. The system is highly expandable and customizable, allowing users to tailor the functionality to their needs. EasyDCIM excels in automated bare metal and dedicated server provisioning, streamlining the process from ordering to service delivery. It features a standalone system with a fully customizable admin control panel and user portal. The platform includes advanced data center asset lifecycle tracking, automated OS installation, network auto-discovering, and integration with billing solutions. EasyDCIM's modular architecture enables the easy extension and modification of system components.
6. Puppet
Puppet-Infrastructure automation and compliance at enterprise scale offers an automation solution that allows businesses to manage and automate complex workflows using reusable blocks of self-healing infrastructure as code. With model-driven and task-based configuration management, organizations can quickly deploy infrastructure to meet their evolving needs at any scale. By automating the entire infrastructure lifecycle, Puppet increases operational efficiency, eliminates silos, reduces response time, and streamlines change management. Puppet's automated policy enforcement ensures continuous compliance and a secure posture, enabling the identification, reporting, and resolution of errors while enforcing the desired state across the infrastructure. Leveraging the vibrant Puppet community, users can benefit from pre-built content and workflows, accelerating their deployment. With deep DevOps and enterprise experience, Puppet is a trusted advisor, assisting the largest enterprise customers in rethinking and redefining their IT management practices.
7. Foreman
Foreman is a robust lifecycle management tool designed for system administrators to manage physical and virtual servers efficiently. With Foreman, tasks can be automated, applications can be deployed quickly, and server management becomes proactive. It supports a wide range of providers, enabling hybrid cloud management. The tool includes features such as external node classification, Puppet and Salt configuration monitoring, and comprehensive host monitoring. Its CLI, Hammer, offers easy access to API calls for streamlined data center management. With RBAC and LDAP integration, audits, and a pluggable architecture, Foreman provides a powerful solution for server provisioning, configuration management, and monitoring.
Conclusion
HCI choosing the right tools for management and orchestration is paramount for organizations seeking to optimize their operations and achieve greater efficiency. Businesses can make informed decisions and select tools that align with their specific needs by considering factors such as scalability, automation capabilities, integration, and vendor support. Whether leveraging vendor-provided solutions or opting for third-party tools, the key is ensuring that the chosen tools enable effective management and orchestration of the HCI environment, allowing organizations to unlock the full potential of their infrastructure and drive business success.
As HCI continues to gain prominence, selecting the appropriate Hyper-Converged tools for management and orchestration becomes crucial for organizations aiming to streamline operations and maximize the benefits of their infrastructure investment. By carefully evaluating the available options, considering key factors, and aligning with business requirements, organizations can make informed decisions that optimize their HCI environment and enable them to adapt to the evolving needs of their digital infrastructure.
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