Specifications

Copyright © 2009, Juniper Networks, Inc. 3
DESIGN GUIDE - Data Center LAN Connectivity Design Guide
Quality of Service (QoS) ..................................................................... 20
Data Center Access Layer Design Recommendations ................................................ 20
Scalable Configuration with Virtual Chassis Technology .......................................... 20
Modular Chassis Configurations .............................................................. 23
Data Center Aggregation Layer .......................................................................24
Aggregation Layer Design Considerations.......................................................... 25
High Availability (HA)........................................................................ 25
Scalability................................................................................. 25
Network Virtualization ...................................................................... 25
Application Visibility ........................................................................ 25
Security and Threat Containment ............................................................. 25
Data Center Aggregation Layer Design Recommendations ............................................ 25
Traditional Layered Approach ................................................................ 25
Collapsing the Aggregation Layer into the Core Layer ............................................ 26
Data Center Core Layer .............................................................................27
Data Center Core Design Considerations........................................................... 27
High Availability (HA)........................................................................ 28
Data Center Core Layer Design Recommendations .................................................. 28
Consolidating the Aggregation Layer and the Core Layer ......................................... 28
WAN Edge Integration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
WAN Edge Design Considerations ................................................................ 31
Connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
High Availability (HA)........................................................................ 31
Firewall/VPN .............................................................................. 31
WAN Edge Layer Design Recommendations ........................................................ 31
M Series Routing Platform................................................................... 31
Operational Simplicity and Unified Management ........................................................32
Achieving Operational Simplicity with JUNOS Software ............................................... 32
The Power of JUNOS Software ............................................................... 32
Modular Processes ......................................................................... 33
Rollback Capability ......................................................................... 33
Advanced Features ......................................................................... 33
Benefits .................................................................................. 33
Impact ................................................................................... 33
Unified Management with Juniper Networks Network and Security Manager (NSM) ...................... 34
Benefits .................................................................................. 34
Remote Configuration and Management with J-Web ................................................. 34
Benefits .................................................................................. 34
Conclusion ........................................................................................34
About Juniper Networks .............................................................................35