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JUNOS High Availability
book

JUNOS High Availability

by James Sonderegger, Orin Blomberg, Kieran Milne, Senad Palislamovic
August 2009
Intermediate to advanced content levelIntermediate to advanced
690 pages
20h 14m
English
O'Reilly Media, Inc.
Content preview from JUNOS High Availability

Control System Chassis

In today’s tight market space, service and application providers have to maintain their competitiveness through constant innovation. New services, faster time-to-market deployment schedules, and tighter SLA requirements create more pressure on existing network resources. Consolidation of resources and access to CPU and I/O in server-based application space has already been in the works for several years. Just as it makes absolute business sense to consolidate at the application level, it also makes strong business sense to lower the cost and high availability pressure by consolidating the routing and forwarding planes and by creating a new concept of a service-driven network infrastructure.

With this service-driven network you can consolidate all services into a shared IP/Multiprotocol Label Switching (MPLS) backbone while providing strict separation of services in terms of quality and reliability. All voice applications can be entirely separated from video traffic and virtual private network (VPN) transit data services. Additionally, if applicable, the same converged IP/MPLS backbone can provide a secure and reliable transit path for financial market data and stock tickers. The bottom line is that all services can use the same infrastructure without affecting each other’s reliability and high availability.

Consolidation need not be limited to revenue-generating services. Supporting network infrastructure should be consolidated, yielding higher capital expenditure ...

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Publisher Resources

ISBN: 9780596805449Errata Page