OSI Layers Explained The What, Where, and Why of the OSI Model

Game developers can combine it with augmented reality to incorporate play into our daily lives (e.g., Pokémon Go). Travel websites can use it to display location-based content based on where the website visitor is located.

IP Addressing in Networking Layers (OSI Model)

The computer that’s plugged into the VLAN 10 access port can only communicate with other devices in VLAN 10, but what if it wants to talk to a device that’s in VLAN 20? Layer 1 is the foundation of all networking, and the layers above all require a good layer 1 connection. Using good cables or having a good wireless connection comes first, and from there we can build up our network to layer 2. The OSI model is a conceptual way to 192.168.123.1 break down networking into 7 layers. Layer 2 addresses are also called Media Access Control (MAC) addresses, physical addresses, or burned-in addresses (BIA). These are assigned to network cards or device interfaces when they are manufactured.

What are the functions of the Internet layer?

The Transport Layer TCP protocol initiates a connection with the target server. During a session, packets are transmitted in their original order, as well as being sent and received.

  • With accurate city-level location data and additional country information, our API is a powerful tool for enhancing location-based functionality.
  • Classful routing protocols such as RIPv1 and IGRP, do not support VLSM.
  • Literally, you can see Access Control List is a list that contains a set of rules to decide which users or systems are permitted or denied access to a specific object or system resource.

An effective ACL architecture relies on key principles and best practices to ensure secure access control. First, adhere to the principle of least privilege, granting users only necessary permissions. Second, segregate duties to prevent conflicts of interest or abuse of power. Third, implement role-based access control (RBAC) for easier management and scalability. An ACL-based security system is preferred in situations where granular control over user permissions is required, such as when managing access to specific resources or actions within an application. This model excels in environments with diverse user roles and complex permission requirements, allowing for efficient management of individual rights without the need for extensive role hierarchies.

Mac Screen Share Functionality ( iPhone Screen Share Using Facetime Screen share Application )

You can use DHCP to assign IP addresses from a predefined pool, or to delegate subnets to other DHCP servers for hierarchical management. The Dynamic Host Configuration Protocol (DHCP) is a network protocol that enables automatic and centralized IP address assignment within a network. With DHCP, devices can dynamically obtain IP addresses, as well as other network configuration information, such as subnet masks, default gateways, and DNS server addresses. This protocol simplifies network administration by reducing the amount of manual configuration required and ensuring efficient utilization of IP addresses.

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