A multinational corporation is implementing a new wide area network to connect their headquarters with multiple remote branch locations across different countries. The CIO is concerned about reliability, bandwidth, and security for their backhaul network infrastructure. Which of the following technologies would be the BEST choice for their primary backhaul connectivity needs?
MPLS is the best solution because it offers several key advantages for a multinational corporate network:
Provides traffic engineering and Quality of Service capabilities that ensure consistent performance across geographically dispersed sites
Creates logically separated paths similar to VPNs, enhancing security between locations
Offers carrier-grade reliability with strong SLAs and fast failover mechanisms
Scales effectively to connect multiple international branch locations
Available from global telecommunications providers with consistent service levels
The other options have significant limitations: satellite connectivity suffers from high latency and weather-related reliability issues; public Internet VPN lacks consistent performance and QoS capabilities; and point-to-point microwave links have distance limitations and require line-of-sight, making them impractical for global deployments.
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ISC2 CISSP
Communication and Network Security
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