Data Center LAN Migration Guide - Juniper Networks

Data Center LAN Migration Guide
Table of Contents
Chapter 1: Why Migrate to Juniper ................................................................................ 5
Introduction to the Migration Guide ............................................................................ 6
Audience ................................................................................................... 6
Data Center Architecture and Guide Overview ................................................................... 6
Why Migrate? ................................................................................................. 9
Scaling Is Too Complex with Current Data Center Architectures ................................................10
The Case for a High Performing, Simplified Architecture .......................................................11
Why Juniper? .................................................................................................13
Other Considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Chapter 2: Pre-Migration Information Requirements ...............................................................15
Pre-Migration Information Requirements .......................................................................16
Technical Knowledge and Education .........................................................................16
QFX3500 ..................................................................................................20
Chapter 3: Data Center Migration -Trigger Events and Deployment Processes ...................................... 27
How Migrations Begin ........................................................................................28
Trigger Events for Change and Their Associated Insertion Points ..............................................28
Considerations for Introducing an Alternative Network Infrastructure Provider .................................29
Trigger Events, Insertion Points, and Design Considerations ...................................................30
IOS to Junos OS Conversion Tools ...........................................................................31
Data Center Migration Insertion Points: Best Practices and Installation Tasks ................................. 32
New Application/Technology Refresh/Server Virtualization Trigger Events .................................... 32
Network Challenge and Solutions for Virtual Servers .........................................................38
Network Automation and Orchestration .....................................................................38
Data Center Consolidation Trigger Event. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Best Practices: Designing the Upgraded Aggregation/Core Layer .............................................40
Best Practices: Upgraded Security Services in the Core .......................................................41
Aggregation/Core Insertion Point Installation Tasks ...........................................................41
Consolidating and Virtualizing Security Services in the Data Center: Installation Tasks .........................44
Business Continuity and Workload Mobility Trigger Events ....................................................46
Best Practices Design for Business Continuity and HADR Systems ............................................46
Best Practices Design to Support Workload Mobility Within and Between Data Centers ........................48
Best Practices for Incorporating MPLS/VPLS in the Data Center Network Design ...............................49
Six Process Steps for Migrating to MPLS .....................................................................50
Completed Migration to a Simplified, High-Performance, Two-Tier Network ................................... 52
Juniper Professional Services ............................................................................... 53
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