HP StorageWorks Enterprise File Services WAN Accelerator Guide de l'utilisateur Page 15
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HP STORAGEWORKS ENTERPRISE FILE SERVICES WAN ACCELERATOR 2.1.5 DEPLOYMENT GUIDE 9
1 - DESIGNING AN HP EFS
WAN A
CCELERATOR
CHAPTER 1 Designing an HP EFS WAN
Accelerator Deployment
In This Chapter This chapter describes how the HP EFS WAN Accelerator works and how to design an
HP EFS WAN Accelerator deployment. This chapter includes the following sections:
“Introduction to the HP EFS WAN Accelerator” next
“Design and Deployment Overview” on page 11
“Definition of Terms” on page 13
“Bypass Mode” on page 13
“Failover Mode” on page 14
Introduction to the HP EFS WAN Accelerator
The causes for slow throughput in Wide Area Networks (WANs) are well known: high
delay (round-trip time or latency), limited bandwidth, and chatty application protocols.
Virtually all large enterprises spend a significant portion of their information
technology budgets on storage and networks, much of it spent to compensate for slow
throughput by deploying redundant servers and storage, and the required backup
equipment. HP EFS WAN Accelerators enable you to consolidate and centralize key
IT resources to save money, reduce capital expenditures, simplify key business
processes, and improve productivity.
The HP EFS WAN Accelerator not only addresses the bandwidth problem and
application protocol chattiness but the latency problem as well. The HP EFS WAN
Accelerator uses Transaction Acceleration (TA) to optimize throughput and save
bandwidth on WANs.
HP EFS WAN Accelerators intercept client-server connections without interfering
with normal client-server interactions, file semantics, or protocols. All client requests
are passed through to the server normally, while relevant traffic is optimized to
improve performance. HP EFS WAN Accelerators can be easily introduced into an
enterprise environment without requiring any significant changes to the network or
architecture.
- HP StorageWorks 1
- Contents 3
- Introduction 7
- Organization of 8
- This Guide 8
- Document 9
- Conventions 9
- Antivirus Compatibility 10
- Additional Resources 11
- 6 INTRODUCTION 12
- Contacting HP 13
- HP Storage Web Site 13
- INTRODUCTION 14
- Designing an HP EFS WAN 15
- Accelerator Deployment 15
- How Does SDR 16
- Transaction 17
- Prediction 17
- Definition of Terms 19
- Bypass Mode 19
- Failover Mode 20
- In-Path Deployments 23
- Basic Steps 24
- (Client-Side) 24
- (Server-Side) 26
- 24 2 - IN-PATH DEPLOYMENTS 30
- Virtual In-Path Network 31
- Out-of-Path Network 35
- Configuring Connection 45
- Forwarding 45
- Neighbors in 46
- Connection 46
- Using the CLI 50
- Policy-Based Routing 51
- Introduction to PBR 52
- Overview of CDP 52
- Version 12.2(17d) SXB1 53
- Deployments With PBR 55
- PBR Using the 57
- Management 57
- Attached to an Inside Router 61
- PBR Between VLANs 61
- To configure the Cisco 64
- 59 65
- Autodiscovery, and CDP 66
- 61 67
- Troubleshooting 68
- WCCP Deployments 69
- Introduction to WCCP 70
- EPLOYMENTS 71
- 7 - WCCP DEPLOYMENTS 73
- A Basic WCCP Configuration 74
- Configuring the 75
- Client-Side HP 75
- EFS WAN 75
- Accelerator 75
- 74 7 - WCCP DEPLOYMENTS 80
- Dual WCCP Deployment 82
- 77 83
- To configure the 84
- WCCP (6209) router 84
- Additional WCCP Features 85
- TCP Port 86
- Redirection 86
- Specific Traffic 87
- Failover 87
- Support 87
- Introduction to PFS 89
- PFS Terms 90
- PFS Operating 91
- How Does PFS Work? 92
- When to Use 93
- When to use 94
- Global Mode 94
- Configuration 94
- Checklist for 94
- 100
- 8 - PROXY FILE SERVICE 101
- To view share status 102
- RADIUS and TACACS+ 103
- Authentication 103
- FreeRADIUS 104
- Configuring a TACACS+ Server 106
- Configuring 107
- TACACS+ 109
- 105 111
- 7. Click Save 111
- Serial Cluster and Cascade 113
- Deployments 113
- Figure 10-1. Serial Cluster 114
- A Basic Serial 115
- Cluster 115
- Deployment 115
- Cascade Deployment 117
- Fixed-Target 118
- Glossary 119
- 114 GLOSSARY 120
- 116 GLOSSARY 122
- INDEX 123
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