Data Center Fundamentals

ISBN-10: 1587050234
ISBN-13: 9781587050237
Edition: 2004
List price: $82.50 Buy it from $35.48
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Description: Today's market demands that businesses have an Internet presence through which they can perform e-commerce and customer support, and establish a presence that can attract and increase their customer bases. Underestimated hit ratios, compromised  More...

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Book details

List price: $82.50
Copyright year: 2004
Publisher: Cisco Press
Publication date: 12/4/2003
Binding: Hardcover
Pages: 1104
Size: 7.50" wide x 9.25" long x 2.50" tall
Weight: 4.334
Language: English

Today's market demands that businesses have an Internet presence through which they can perform e-commerce and customer support, and establish a presence that can attract and increase their customer bases. Underestimated hit ratios, compromised credit card records, perceived slow website access, or the infamous "Object Not Found" alerts make the difference between a successful on-line presence and one that is bound to fail. These challenges can be solved in part with the use of data center technology. Data centers switch traffic based on information at the Network, Transport, or Application layers. Content Switches perform the "best server" selection process to direct users' requests for a specific service to a server in a server farm. The best server selection process takes into account both server load and availability, and the existence and consistency of the requested content. Data Center Fundamentals helps you understand the basic concepts behind the design and scaling of server farms using data center and content switching technologies. It addresses the principles and concepts needed to take on the most common challenges encountered during planning, implementing, and managing Internet and Intranet IP-based server farms. An in-depth analysis of the Data Center technology with real-life scenarios make Data Center Fundamentals an ideal reference for understanding, planning, and designing web-hosting and E-commerce environments.Mauricio Arregoces, CCIE No. 3285, has 18 years experience in the design and support of large-scale networks. He has extensive hands-on experience in the design of large Internet web sites. He has bachelor and Masters degrees in Computer Science and he is currently a Network Design Engineer in the Content Networking Network Design group at Cisco Systems. Cisco Systems holds hte biggest market share in the Data Center market.

Introduction
An Introduction to Server Farms
Overview of Data Centers
Data Centers Defined
Application Architecture Models
Data Center Architecture
Data Center Services
Summary
Server Architecture Overview
Network Attachment
Client and Server Packet Processing
TCP and Server Applications
UDP and Server Applications
Server Availability
Configuring a Web Server
Network Architecture Design Options
Summary
For Further Reading
Application Architectures Overview
Taxonomy of Applications and Hosted Servers
Integration of Applications
Multitier Applications
Network Architecture Considerations
Multitier Design Case Study
Summary
For Further Reading
Data Center Design Overview
Types of Server Farms and Data Centers
Data Center Topologies
Fully Redundant Layer 2 and Layer 3 Designs
Fully Redundant Layer 2 and Layer 3 Designs with Services
Summary
Data Center Security Overview
The Need for a Secure Data Center
Vulnerabilities and Common Attacks
Network Security Infrastructure
Security Fundamentals
Data Center Security Framework
Summary
Server Load-Balancing Overview
Load Balancing Defined
Key Concepts of Load Balancing
High Availability Considerations
Generic Load Balancer Architecture
Summary
Server Farm Protocols
IP, TCP, and UDP
Layers and Protocols
IP
TCP
UDP
Summary
References
HTTP and Related Concepts
Resources and Messages
HTTP Overview
HTTP General Header
Request Header
Response Header
Entity Header
Summary
SSL and TLS
SSL Overview
SSL Operations
Performance Implications of SSL
Authentication and Digital Certificates
SSL Ciphersuites
Analyzing SSL Traces
Summary
For Further Reading
DNS Essentials and Site-Selection Considerations
DNS Architecture
DNS Components
DNS Resolution Process
Redundant Name Servers
Transport Protocols
DNS Caching
Distribution of Multiple Records
DNS Server Placement
Site-Selection Considerations
Summary
For Further Reading
Streaming Protocols Overview
Download-and-Play, HTTP Streaming, and Real-Time Streaming
UDP Versus TCP
Analog and Digital Video
Codecs
Packetization
Transport Formats
Control Protocols
Unicast, Multicast, and Stream Splitting
Streaming Products
Summary
Infrastructure Protocols
Layer 2 Protocol Essentials
IEEE 802
Ethernet
Ethernet Switching
Layer 2 Protocols
VLANs and Trunks
EtherChannels
STP
Summary
For Further Reading
Layer 3 Protocol Essentials
ARP Protocol and Tables
HSRP, VRRP, and GLBP
OSPF
EIGRP
NAT
Summary
For Further Reading
IBM Data Center Technology
Mainframes
IBM Data Center Components
Mainframe Attachment Options
IBM Networking
SNA over TCP/IP
Sysplex and Parallel Sysplex
IBM Data Centers Today
Summary
Security and Server Load Balancing
Security Protocols and Technologies
Cryptography
U.S. Government and Cryptography
PKI
Transport Security
Authentication Protocols and Technologies
Network Management Security
Summary
Load-Balancing Modes and Predictors
Modes of Operation
Load-Balancing Algorithms
Summary
Server Health Management
Load-Balancing Terminology
Server Management
Server Management Interface
Server Failure Detection
Probe Types
Out-of-Band Probes
Case Study: Server Health for Virtual Hosting
Case Study: HTTP and HTTPS
Summary
Session Tracking and Cookies
What a Session Is and Why It Matters
Cookies
How Servers Track User Sessions
Session Persistence for Server Clusters
Summary
For Further Reading
Persistence Mechanisms on Load Balancers
The Concept of Session Persistence
Persistence Considerations for Clients Using Proxy Servers
Persistence Using Session Sharing Servers
Session Persistence Mechanisms
Source IP Sticky
Cookie Sticky
URL Sticky
HTTP Redirection Sticky
SSL Sticky
Case Study
Summary
Data Center Design
Designing the Data Center Infrastructure
Topology Overview
Switching Paths
Using VLANs to Virtualize the Physical Data Center Infrastructure
Link Redundancy and Load Distribution
Spanning-Tree Considerations
Internal Redundancy Considerations
Layer 2 Data Center Design
Layer 3 Data Center Design
Summary
Integrating Security into the Infrastructure
Defining Security Zones
Internet Edge
Campus Core
Intranet Server Farms
Server-Farm Design Alternatives
Management Network
Summary
Performance Metrics of Data Center Devices
Traffic Patterns Overview
Performance Metrics Overview
Load Balancer and SSL Offloader Metrics
Testing Performance Metrics
Summary
Appendixes
Character Sets
HTTP Header Fields
Video Encoding Mechanisms
Loopback Interface Configuration Procedures
Configuring Servers to Insert Cookies
Client-Side and Server-Side Programming
Index

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