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Content Networking Fundamentals
- By Silvano Da Ros
- Published Mar 30, 2006 by Cisco Press. Part of the Fundamentals series.
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Description
- Copyright 2006
- Dimensions: 7-3/8" x 9-1/8"
- Edition: 1st
- eBook
- ISBN-10: 1-58705-291-1
- ISBN-13: 978-1-58705-291-0
A comprehensive introduction to the theory and practical applications of content networking
- Get a strong introduction to the basic networking concepts necessary for content networking, including network address translation, IP multicast content delivery, quality of service, and streaming media
- Master the application-layer protocols, including HTTP, SSL, RSTP, RTP and FTP
- Design redundancy and high availability by using server load balancing, Domain Name System (DNS) directory services, Cisco DistributedDirector software, proximity-based load balancing, and global sticky databases
- Learn to switch and offload encrypted content by importing, creating, and configuring certificates and keys in Secure Sockets Layer (SSL) termination devices
- Examine how to configure routers with Web Cache Communication Protocol (WCCP) and to switch content requests to content engines for serving frequently requested objects
- Learn how to configure caching, live push- and pull-splitting, content acquisitioning, and pre-positioning using Cisco Application and Content Networking System (ACNS) software
Content networking is the most popular technology used to enhance network and application performance. The growth of content networking has been driven by end-user demands for richer content and lowered response times. These demands have caused the field of content networking to flourish with technological advances. Today many companies use content networking to add a layer of intelligence to their systems, scaling server availability and optimizing content delivery.
Content Networking Fundamentals introduces you to content networking solutions and the underlying networking technologies that content networking uses to accelerate your applications in new and unique ways. You’ll discover various algorithms behind content networking and learn how the Cisco Systems® product suite implements them.
In this comprehensive guide, you start with a review of the protocols required for content networking, building your knowledge of introductory concepts and applications. From there, you delve into the components specific to content networking, with a focus on the content-aware Open Systems Interconnection (OSI) Layers 4 through 7. Numerous deployment examples help you understand the more advanced topics. You can use the configuration snapshots in this book as skeletal configurations for your production network.
Following the valuable lessons taught in Content Networking Fundamentals, you’ll be able to effectively design, deploy, maintain, and troubleshoot content networks.
Sample Content
Table of Contents
Part I Overview of Content Networking
Chapter 1 Introducing Content Networking
Defining Content Networking
Understanding the Underlying Technologies
Purpose and Goals
Scalability and Availability
Bandwidth and Response Times
Customization and Prioritization
Security, Auditing, and Monitoring
Cisco Content Networking Solutions
Content Switching
Application and Content Networking System
Content Network Partnership Program
Summary
Review Questions
Recommended Reading
Part II Networking Fundamentals
Chapter 2 Exploring the Network Layers
Ethernet Physical and Data Link Layers
Physical Layer
Data Link Layer
Internet Protocol
Address Resolution Protocol
Internet Control Message Protocol
Internet Group Management Protocol and Protocol Independent Multicast
Transport Layer
Transmission Control Protocol
User Datagram Protocol
Putting It All Together with a Detailed Network Trace
Summary
Review Questions
Recommended Reading
Chapter Goals
Chapter 3 Introducing Switching, Routing, and Address Translation
Exploring Ethernet Frame Switching
Configuring Virtual LANs
Configuring VLAN Trunking
Exploring MAC Learning with Multiple VLANs
VLAN Trunking Protocol
Understanding IP Routing
Configuring Static Routing
Understanding Dynamic Routing
Packet Switching
Process Switching Path
Fast Switching Path
Cisco Express Forwarding
Transparent Bridging
Exploring Network Address Translation
Source Network Address Translation
Destination Translation
Summary
Review Questions
Recommended Reading
Chapter Goals
Chapter 4 Exploring Security Technologies and Network Infrastructure Designs
Filtering Packets with Access Control Lists
Application Layer Inspection
Designing Enterprise Campuses
Designing Enterprise Edge Networks
Designing Headquarters with Remote Office Networks
Employing Internet Content Delivery Networks
Summary
Review Questions
Recommended Reading
Part III Intelligent Network Services for Content Delivery
Chapter 5 IP Multicast Content Delivery
Introducing IP Multicast
Internet Group Management Protocol
Internet Group Management Protocol, Version 1
Internet Group Management Protocol, Version 2
Internet Group Management Protocol, Version 3
Internet Standard Multicast
Distribution Trees
Protocol Independent Multicast
Configuring Rendezvous Point and Multicast Group Selection
Configuring Inter-Domain Multicast with Multicast Source Discovery Protocol
Anycast RP
Layer 2 Multicast Protocols
Router-Port Group Management Protocol
Source Specific Multicast (SSM)
Ensuring Multicast Delivery With Pragmatic General Multicast
Summary
Review Questions
Recommended Reading
Chapter Goals
Chapter 6 Ensuring Content Delivery with Quality of Service
Classification and Marking
Marking Packets at Layer 3
Marking Frames, Cells, and Trunks at Layer 2
Network-Based Application Recognition
Congestion Management
Understanding Layer 3 Router Packet Queuing
Understanding Layer 2 Switch Ethernet Frame QoS
Congestion Avoidance
Configuring Weighted Random Early Detection
Understanding Policing and Shaping
QoS Policy Signaling
Summary
Review Questions
Recommended Reading
Part IV Applications for Serving Content, at the Network Edge
Chapter 7 Presenting and Transforming Content
Introducing Markup Languages
Hypertext Markup Language
Extensible Markup Language
Extensible Hypertext Markup Language
Wireless Application Protocol Markup Languages
Transforming and Formatting Content
Transforming XML to XHMTL/HMTL
Using Cascading Style Sheets
Transforming XML to XSL-FO
Summary
Review Questions
Recommended Reading
Chapter Goals
Chapter 8 Exploring the Application Layer
HTTP
HTTP 1.0 Versus HTTP 1.1
HTTP Transactions
HTTP Authentication
HTTP Caching Controls
Public Key Infrastructure
Secret-Key Cryptography
Public-Key Cryptography
Identity Theft Prevention Using Certificates
Secure Sockets Layer
File Transfer Protocol
Summary
Review Questions
Recommended Reading
Chapter Goals
Chapter 9 Introducing Streaming Media
Streaming Files and Content Playback
Creating Streaming On-Demand Container Files
Describing Streaming On-Demand Content with Meta-Files
Streaming with Microsoft WMT, Real Networks, and Apple QuickTime
Streaming Motion Picture Experts Group
Delivering Streaming Media
Transferring Streaming Media with the Real-Time Transport Protocol
Real-Time Data Control with Real Time Streaming Protocol
Fast-Forwarding and Rewinding a Stream with RTSP
Using Quality of Service and IP Multicast with Streaming Media
Summary
Review Questions
Recommended Reading
Part V Application Layer Services for Content, Within the Network
Chapter 10 Exploring Server Load Balancing
Exploring Your Server Load-Balancing Devices
Content Services Switch
Content Switching Module
Content Switch Operational Modes
Bridge-Mode Content Switching
Router-Mode Content Switching
Load-Distribution Algorithms
Round Robin
Least Connections
Configuring Server Load
Hash Distribution
Layer 5—7 Load Balancing
Equal-Cost Multi-Path Router Load Balancing
Health Checking
Out-of-Band Health Checking
In-Band Health Checking
Session Persistence
Hash Load Balancing
IP Address Stickiness
HTTP Cookies
URL Sticky Strings
SSL Sticky
SIP Caller ID and MSISDN Number Sticky
Permanent Session Information Storage
Content Switch High Availability
CSS High Availability
CSM High Availability
Summary
Review Questions
Recommended Reading
Chapter Goals
Chapter 11 Switching Secured Content
SSL Termination
Configuring Your CSS for SSL Termination
Configuring Your Content Services Module with SSL
Firewall Load Balancing
CSS Firewall Load Balancing
CSM Firewall Load Balancing
VPN Load Balancing on the CSM
Preventing Connection Table Flooding using SYN-Cookies
Summary
Review Questions
Recommended Reading
Chapter Goals
Chapter 12 Exploring Global Server Load Balancing
Domain Name Service Operation
Introducing DNS Resource Records
Iterative DNS
Recursive DNS
BGP-Anycast and DNS Round-Robin
Exploring Distributed Director Technologies
Director Response Protocol and Boomerang Protocol
HTTP Redirection
A Robust Distributed Director Configuration
Exploring CSS Global Server Load Balancing
CSS Multisite Load Distribution
CSS Proximity-Based Load Balancing
Exploring CSM Global Server Load Balancing
GSLB Stickiness
Summary
Review Questions
Recommended Reading
Part VI The Application and Content Networking System: Content Caching, Streaming, Routing, and Distribution
Chapter 13 Delivering Cached and Streaming Media
Redirecting Application Requests
Introducing Web Cache Control Protocol
WCCP Load Distribution Using Hash Buckets
WCCP Load Distribution Using Mask Assignment
Layer 4—7 Content Switch Redirection
Request Redirection Topologies
Ensuring Content Freshness
Preloading Content
Transparently Delivering Authenticated Content
Enabling Transparent Value-Added Services on Your CEs
Content Authentication and Authorization
SSL Caching and Tunneling
Internet Content Adaptation Protocol
URL Filtering
Adjusting TCP/IP Parameter Values
Delivering Streaming Media
Streaming Video-on-Demand
Splitting Live and Prerecorded Broadcasts
Streaming Windows Media Technology
Streaming Real Media
Summary
Review Questions
Recommended Reading
Chapter 14 Distributing and Routing Managed Content
E-learning and Corporate Communications
Software and File Distribution
Introducing Content Distribution and Routing
Initializing and Registering Your ACNS Network Devices
Setting Up Your ACNS Network for Acquisition and Pre-Positioning
Creating Location Trees
Configuring Content Channels
Acquiring Content to Pre-Position
Configuring Acquisition Using Manifest Files
Configuring Acquisition Using the CDM GUI
Configuring Content Pre-Positioning
Multicast-Push Distribution Trees
Unicast-Pull Distribution Trees
Content Request Routing
Simplified Hybrid Routing
Dynamic Proxy Auto-Configuration
Configuring Streaming Media
Streaming Prepositioned Video On-Demand Content
Creating Scheduled Live and Rebroadcast Programs in ACNS
Summary
Review Questions
Recommended Reading
Appendix A Answers to Review Questions
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 12
Chapter 13
Chapter 14
Index
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