This document provides an overview of hierarchical network design principles and models. It discusses:
1) Hierarchical network design involves categorizing networks based on device count and dividing networks into access, distribution, and core layers.
2) Access layers provide user access, distribution layers provide connectivity and policy controls, and core layers provide fast transport.
3) Modular and hierarchical designs improve flexibility, management, and scalability. Common modules include campus, enterprise edge, data centers, and remote sites.
These slides cover a topic on Introduction to switching & circuit switching in Data Communication. All the slides are explained in a very simple manner. It is useful for engineering students & also for the candidates who want to master data communication & computer networking.
These slides cover a topic on Introduction to switching & circuit switching in Data Communication. All the slides are explained in a very simple manner. It is useful for engineering students & also for the candidates who want to master data communication & computer networking.
This presentation is about the introduction to network switch layer technology. A network switch is a device tha is used to connect different segments over the network.This ppt includes introduction to switch,types of switches or layer specification,advantages and disadvantages of switch..
I hope it will be very helpful for the engineering students and the others who are interested to search in deep about network switch.
A
PROJECT REPORT
On
CISCO CERTIFIED NETWORK ASSOCIATE
A computer network, or simply a network, is a collection of computer and other hardware components interconnected by communication channels that allow sharing of resources and information. Where at least one process in one device is able to send/receive data to/from at least one process residing in a remote device, then the two devices are said to be in a network. Simply, more than one computer interconnected through a communication medium for information interchange is called a computer network.
difference between hub, bridge, switch and routerAkmal Cikmat
An additional information that might be useful for Computing/Computer Science students especially.
made this as a homework assigned to me.
Hope this may be the thing that you've been looking for
Analyze the Customer Requirements
Characterize the Existing Network and Sites
Design the Network Topology and Solutions
Design a Network Topology
Design a Model for Network Layer Addressing and Naming
Select the Switching and Routing Protocols
Network Security Design
Network Management Design
Optimize the Network Design
Select Technologies and Devices
Test the Network Design
Document the Network Design
This presentation is about the introduction to network switch layer technology. A network switch is a device tha is used to connect different segments over the network.This ppt includes introduction to switch,types of switches or layer specification,advantages and disadvantages of switch..
I hope it will be very helpful for the engineering students and the others who are interested to search in deep about network switch.
A
PROJECT REPORT
On
CISCO CERTIFIED NETWORK ASSOCIATE
A computer network, or simply a network, is a collection of computer and other hardware components interconnected by communication channels that allow sharing of resources and information. Where at least one process in one device is able to send/receive data to/from at least one process residing in a remote device, then the two devices are said to be in a network. Simply, more than one computer interconnected through a communication medium for information interchange is called a computer network.
difference between hub, bridge, switch and routerAkmal Cikmat
An additional information that might be useful for Computing/Computer Science students especially.
made this as a homework assigned to me.
Hope this may be the thing that you've been looking for
Analyze the Customer Requirements
Characterize the Existing Network and Sites
Design the Network Topology and Solutions
Design a Network Topology
Design a Model for Network Layer Addressing and Naming
Select the Switching and Routing Protocols
Network Security Design
Network Management Design
Optimize the Network Design
Select Technologies and Devices
Test the Network Design
Document the Network Design
ВЦИОМ: отношение россиян к сирийской войнеmResearcher
Инициативный всероссийский опрос ВЦИОМ проведён 3-4 октября 2015 г. Опрошено 1600 человек в 132 населенных пунктах в 46 областях, краях и республиках России. Статистическая погрешность не превышает 3,5%.
Selected slides from a presentation for new members that one of our founding members presented October 2016. It outlines what we define as a food system as well as broadly what we hope to accomplish. We introduce the idea of dynamic governance and recognize the road it took to get to this point.
Apresenta algumas das muitas formas do livro ao longo da história através de exemplos presentes em coleções públicas e particulares ao redor do mundo. Palestra feita durante o 3º Encontro de Encadernação da Casa de Rui Barbosa, no dia 17 de agosto de 2012. Rio de Janeiro, RJ, Brasil.
Network and Security Reference Architecture For Driving Workstyle TransformationMatsuo Sawahashi
Many companies have began to use multiple cloud services as usual. However, enterprise network has been built around the data center and it is a topology centered on the data center. The bandwidth of the Internet gateway on the data center becomes short. The access line from the site is also tight with massive data due to increase in use of SaaS such as O365 or Box.
Meanwhile, employees have worked in various places such as office, outside and home. Business partners also want to access the enterprise network to collaborate business with the company. They want to use enterprise applications on both on-premise and cloud as same procedure.
To solve above problems, we need to change our mind.
- The data center is no longer the center, but the network becomes the center.
- The Internet is dangerous, however if we use it well, it is cheap, we can build a strong network against failure or disaster
- Boundary protection is no longer able to protect enterprises from recent threats, it does not accept diverse usage patterns – beyond various boundaries
So, please look at the deck for understanding the solution
Forklift Classes Overview by Intella PartsIntella Parts
Discover the different forklift classes and their specific applications. Learn how to choose the right forklift for your needs to ensure safety, efficiency, and compliance in your operations.
For more technical information, visit our website https://intellaparts.com
Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
CW RADAR, FMCW RADAR, FMCW ALTIMETER, AND THEIR PARAMETERSveerababupersonal22
It consists of cw radar and fmcw radar ,range measurement,if amplifier and fmcw altimeterThe CW radar operates using continuous wave transmission, while the FMCW radar employs frequency-modulated continuous wave technology. Range measurement is a crucial aspect of radar systems, providing information about the distance to a target. The IF amplifier plays a key role in signal processing, amplifying intermediate frequency signals for further analysis. The FMCW altimeter utilizes frequency-modulated continuous wave technology to accurately measure altitude above a reference point.
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Immunizing Image Classifiers Against Localized Adversary Attacksgerogepatton
This paper addresses the vulnerability of deep learning models, particularly convolutional neural networks
(CNN)s, to adversarial attacks and presents a proactive training technique designed to counter them. We
introduce a novel volumization algorithm, which transforms 2D images into 3D volumetric representations.
When combined with 3D convolution and deep curriculum learning optimization (CLO), itsignificantly improves
the immunity of models against localized universal attacks by up to 40%. We evaluate our proposed approach
using contemporary CNN architectures and the modified Canadian Institute for Advanced Research (CIFAR-10
and CIFAR-100) and ImageNet Large Scale Visual Recognition Challenge (ILSVRC12) datasets, showcasing
accuracy improvements over previous techniques. The results indicate that the combination of the volumetric
input and curriculum learning holds significant promise for mitigating adversarial attacks without necessitating
adversary training.
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6th International Conference on Machine Learning & Applications (CMLA 2024) will provide an excellent international forum for sharing knowledge and results in theory, methodology and applications of on Machine Learning & Applications.
Using recycled concrete aggregates (RCA) for pavements is crucial to achieving sustainability. Implementing RCA for new pavement can minimize carbon footprint, conserve natural resources, reduce harmful emissions, and lower life cycle costs. Compared to natural aggregate (NA), RCA pavement has fewer comprehensive studies and sustainability assessments.
1. CHAPTER 1
HIERARCHICAL NETWORK
DESIGN
Alvarado Covarrubias Jonathan Ezequiel
Alarcón García Nayeli Anayansi
González Hernández Erick
Márquez Díaz Areli Priscila
Guillermo Contreras José Alberto
Sánchez Acuña Roberto de Jesús
López Pérez Cynthia Viridiana
Becerra Camarena Josué Roberto
2. • In designing a network it is necessary to categorize the
network depending on the number of devices that serve
• A small network provides services to 200 devices
• A medium network provides services 200-1000 devices
• a large network provides services to more than 1000
devices
•
Network designs require great knowledge and
experience to identify potential network expansions.
NETWORK REQUIREMENTS
3. STRUCTURED ENGINEERING
PRINCIPLES
• For a network designer, is indispensible have with a network design that
can comply with the challenges of connect a lot of areas in a enterprice.
To do it, exist rules of engineering that should be follow:
•
°Hierarchy: Make possible that the network can be divided in areas
more small and can be more easy to manage.
• °Modularity: Separate the network in functions that exist in this, to best
design.
•
°Resistance where the network should be prepared to resist and
work normal and abnormal conditions.
• °Flexibility, this capacity permit that the network can be update
or implement new sections or add news devices to the network.
•
4. HIERARCHICAL NETWORK DESIGN
• Hierarchical models apply to both LAN and WAN design.(LAN Local
Area Network and WAN Wide Area Network )
• A typical enterprise hierarchical LAN campus network design
includes the following three layers:
•
Access layer - Provides workgroup/user access to the network.
• Distribution layer - Provides policy-based connectivity and controls
the boundary between the access and core layers.
• Core layer - Provides fast transport between distribution switches
within the enterprise campus.
•
5. ACCESS LAYER
• The access layer grants end devices access to the network. In the
WAN environment, it may provide teleworkers or remote sites
access to the corporate network across WAN connections.
• Generally incorporates Layer 2 switches and access points
providing connectivity.
• The access layer serves a number of functions including:
• Layer 2 switching
• High availability
• Port security
• QoS classification and marking and trust boundaries
• Address Resolution Protocol (ARP) inspection
• VLAN Access Control List (VACL)
• Spanning tree
• Power over Ethernet (PoE) and auxiliary VLANs for VoIP
6. DISTRIBUTION LAYER
• the distribution layer is the boundary between the Layer
2 domains and the Layer 3 routed network.
•
simarizacion aggregation and towards the core layers
• aggregation LINKS WAN LAN
• Routing services between LANs and VLANs and
between routing domains
• filtering acl
• Redundancy and load balancing
• Broadcast domain control,
7. CORE LAYER
• The core layer is critical for interconnectivity between
distribution layer devices; for example, interconnecting the
distribution block to the WAN and Internet edge.
• Some considerations at the core layer are:
Providing high-speed switching (i.e., fast transport)
Providing reliability and fault tolerance
Scaling by using faster, and not more, equipment.
• Avoiding CPU-intensive packet manipulation caused by
security, inspection, quality of service
• The core layer must be capable of forwarding large amounts
of data quickly.
8. TWO-TIER COLLAPSED CORE DESIGN
• The three-tier hierarchical design maximizes
performance, network availability, and the ability to scale
the network design.
• A “collapsed core” is when the distribution layer and core
layer functions are implemented by a single device. The
primary motivation for the collapsed core design is
reducing network cost, while maintaining most of the
benefits of the three-tier hierarchical model.
•
9. MODULAR DESIGN
• A modular network design separates the network into
several modules functional network , and each of these
points to a place or a specific purpose in the network.
• The use of modules in the network design provides
flexibility and facilitates its implementation and
troubleshooting, allowing more control detailed security.
10. MODULAR DESIGN
• A modular approach to network design further divides the three-layer
hierarchical design, by pulling out specific blocks or modular areas. These basic
modules are connected together via the core of the network.
•
Access-distribution - Also called the distribution block
•
Services - This is a generic block used to identify services such as centralized
Lightweight Access Point Protocol (LWAPP) wireless controllers, unified
communications services, policy gateways.
•
• Data center - Originally called the server farm. This block is responsible for
managing and maintaining many data systems that are vital to modern business
operations.
• Enterprise Edge - Consists of the Internet Edge and the WAN Edge.
•
11. CISCO ENTERPRISE ARCHITECTURE
MODEL
• For have the need of Modularity in a network, Cisco
design the model of owner architecture, called
“modules”. This scheme permit major flexibility in the
network design and provided the resolution of
problems. Some modules or the architecture of Cisco:
•
Managerial campus
• Enterprise Edge
• End of the service provider
•
12. CISCO ENTERPRISE CAMPUS
• A campus network is a building or group of buildings
connected to a corporate network consisting of many
LAN.
•
Enterprise campus module consists of the following
submodules:
•
Access to the building
• Building Distribution
• Core campus
• Data center
13. CISCO ENTERPRISE ARCHITECTURE
MODEL
• The enterprise edge module provides connectivity for voice, video, and data services
outside the enterprise.
• The enterprise edge module consists of the following submodules:
• E-commerce networks and servers
• The e-commerce submodule enables enterprises to support e-commerce applications
through the Internet. It uses the high availability designs of the data center module.
• Internet connectivity and demilitarized zone (DMZ)
• The Internet submodule of the enterprise edge provides internal users with secure
connectivity to Internet services such as public servers, email, and DNS.
• Remote Access and VPN
• The VPN/remote access submodule of the enterprise edge provides remote-access
termination services, including authentication for remote users and sites.
• WAN
• The WAN submodule uses various WAN technologies for routing traffic between remote
sites and the central site.
•
14. SERVICE PROVIDER EDGE
• Enterprises use Service Providers (SPs) to link to other
sites. As shown in Figure 1, the SP edge module can
include:
• Internet Service Providers (ISPs)
• WAN services such as Frame Relay, ATM, and MAN
• Public Switched Telephone Network (PSTN) services
15. REMOTE FUNCTIONAL AREA
• This area is responsible for remote connectivity options and includes
several modules, it includes several modules,
• Enterprise Branch: The enterprise branch module includes remote
branches that allow employees to work at non-campus locations.
• The enterprise branch module allows enterprises to extend head-
office applications and services, such as security, Cisco Unified
Communications, and advanced application performance, to the
remote branches.
• Enterprise Teleworker:is responsible for providing connectivity for
workers who operate out of different geographically dispersed
locations.
• Enterprise Data Center: is a data center with all of the same
functional options as a campus data center, but exists at a remote
location
16. IT CHALLENGES
BYOD
• The networks are going to be a transportation system
only data composed of LAN devices connected to a
system that connects people, devices and information in
a converged network environment and with a variety of
means .
17. EMERGING ENTERPRISE
ARCHITECTURES
• To emerging network trends, new business network
architectures are necessary.
•
Cisco Borderless Network Architecture
• Collaboration Architecture
• Data Center/Virtualization Architecture
18. CISCO BORDERLESS NETWORKS
• The architecture Cisco Borderless Network it is a solution of
network that allows that the organizations and the persons
should connect in a sure way, with confidence and without
disadvantages to the managerial network in an environment
BYOD (Bring Your Own Device).
• The architecture Borderless Network admits an extremely
sure network and from high performance to that a wide variety
of devices can accede. Must be the sufficiently flexible thing in
order that it could climb and in order that it admits the future
growth into terms of the managerial expansion, included the
computer science BYOD, mobile and into the cloud.
•