Презентация на тему Using Infrastructure Services

Презентация на тему Using Infrastructure Services, предмет презентации: Разное. Этот материал содержит 25 слайдов. Красочные слайды и илюстрации помогут Вам заинтересовать свою аудиторию. Для просмотра воспользуйтесь проигрывателем, если материал оказался полезным для Вас - поделитесь им с друзьями с помощью социальных кнопок и добавьте наш сайт презентаций ThePresentation.ru в закладки!

Слайды и текст этой презентации

Слайд 1
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Structuring and Modularizing the Network

Using Infrastructure Services


Слайд 2
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Explaining the Role of Infrastructure Services


Слайд 3
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Modularizing Internal Security


Слайд 4
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Reasons for Internal Security

The enterprise campus is protected by security functions in the enterprise edge:
If the enterprise edge security fails, the unprotected enterprise campus is vulnerable.
The potential attacker can gain physical access to the enterprise campus.
Some network solutions require indirect external access to the enterprise campus.
All vital elements in the enterprise campus must be protected independently.


Слайд 5
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External Threats


Слайд 6
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Designing High Availability

Analyze the business and technical goals.
Identify critical applications, systems, internetworking devices, and links.
Document the trade-offs between redundancy and cost and simplicity versus complexity.
Duplicate any component whose failure could disable critical applications.
Duplicate vital links and connect them to different devices.


Слайд 7
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Designing Route Redundancy

Design redundant routes:
Minimize the effect of link failures.
Minimize the effect of an internetworking device failure.
Make the connection redundant:
Parallel physical links between switches and routers
Backup LAN and WAN links
Make the network redundant:
Full mesh to provide complete redundancy and good performance
Partial mesh, which is cheaper and more scalable


Слайд 8
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Example: Campus Infrastructure Redundancy

The building access network is partially meshed with the building distribution switches.
The building access switch has a chance to recover from a link or building distribution switch failure.


Слайд 9
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Example: Enterprise Edge Redundancy

The remote site establishes a backup connection via an IPsec tunnel across the Internet.


Слайд 10
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High Availability in the Server Farm Module

Single attachment—not recommended:
Requires alternative mechanisms to dynamically find an alternative router
Dual attachment to increase availability and prevent session loss:
Attachment through a redundant transceiver
Attachment through a redundant NIC
Fast EtherChannel and Gigabit EtherChannel port bundles


Слайд 11
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Example: Attachment Through a Redundant Transceiver

Transceiver activates backup link on primary link failure.
Transceiver cannot detect failures beyond physical link.


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Example: Attachment Through a Redundant NIC

Device driver presents two NIC cards as a single logical interface.
This setup uses one MAC address on both interfaces.
Backup card is activated when the primary link is gone.


Слайд 13
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Voice Transport Overview

Two implementations:
Voice over IP: Uses analog phones. Transports voice packets over the IP network using voice-enabled routers.
IP telephony: Implements voice in the network using Cisco Unified CallManager and IP phones.
Both implementations require properly designed networks.
All modules of the enterprise network are involved in the voice network solution.


Слайд 14
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IP Telephony Components


Слайд 15
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Modular Approach in Voice Network Design


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Example: Voice Network Solution


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Evaluating the Existing Data Infrastructure for Voice Design

Document and evaluate the existing data infrastructure in each enterprise network module in terms of:
New voice performance requirements
Availability requirements
Feature requirements
Potential network capacity or impact


Слайд 18
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Wireless LAN Overview

Supports connecting mobile clients to the enterprise network
Transports packets over radio waves
Has connectivity and privacy issues not found in wired networks
Can have implications for all modules of the enterprise network




Слайд 19
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Centralized WLAN Model Components


Слайд 20
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Application Networking Services Introduction

Traditional networks handled static web pages, e-mail, and routine client-server applications.
Applications are evolving into complex and highly visible services.
Application deployment issues are emerging.
Consolidation of data centers can result in lower productivity for remote users.
A web-based ordering system may suffer because of poor responsiveness.
Business partners may need immediate and secure electronic access to back-office applications.
A purchasing application may need to track large orders.


Слайд 21
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ANS Can Resolve Application Issues

Wide-area application services can compress, cache, and optimize content.
Optimization of the web streams can reduce latency, suppress unnecessary reloading of web objects, and offload the web server.
Security and remote connectivity services can validate requests, route them appropriately, and encrypt and prioritize responses.
Application messaging services interpret purchase orders and log large orders according to business policy rules.


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Example: ANS Components


Слайд 23
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Summary

Network infrastructure services add intelligence to the network infrastructure, supporting application awareness within the network.
Security is a network infrastructure service that increases the integrity of the network by protecting network resources and users from internal and external threats.
High-availability services protect the integrity of mission-critical information with networking platforms and topologies that offer a sufficient level of resiliency.


Слайд 24
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Summary (Cont.)

Voice infrastructure services throughout the enterprise are needed to support IP telephony.
Wireless services support mobile clients and integrate with the wired network.
Cisco ANS optimizes website performance, content delivery, and the security and connectivity of applications.


Слайд 25

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