Network Performance and Security

Security-Performance Balance

Security controls can impact network performance through encryption overhead, inspection latency, and processing requirements. Balancing security and performance requires optimization, proper sizing, and strategic implementation.

Performance Impact Areas

Encryption adds latency and CPU overhead, deep packet inspection reduces throughput, SSL/TLS inspection creates bottlenecks, and security appliances introduce processing delays. Understand impact for capacity planning.

Optimization Strategies

Use hardware acceleration for encryption, implement SSL offloading, optimize security rules, use caching where appropriate, right-size security appliances, and strategically place security controls minimizing hops.

Monitoring and Tuning

Monitor security appliance performance, measure latency impacts, track throughput, identify bottlenecks, tune policies for efficiency, and balance security depth with performance requirements based on risk.

Architecture Decisions

Choose inspection points carefully, implement security at optimal layers, use distributed security for scalability, consider cloud-delivered security reducing on-premises bottlenecks, and design for both security and performance.

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