An organization needs to deploy an HTTP application on a BIG-IP system. The requirements specify hardware acceleration to enhance performance, while…

The requirements are for hardware-accelerated performance for an HTTP application without needing any HTTP-specific (Layer 7) optimization features. A Performance (Layer 4) virtual server with a fastL4 profile is the ideal choice. This configuration operates at the transport layer (L4), leveraging the Packet Velocity ASIC (PVA) for hardware acceleration to forward packets at very high speeds. It does not inspect or modify the HTTP payload, which perfectly aligns with the requirement that no HTTP optimization is needed, thus providing maximum throughput with minimal processing overhead.

A. Type: Stateless Protocol Profile: fastL4

A Stateless virtual server is for connectionless protocols like UDP. HTTP requires a stateful TCP connection, making this type unsuitable.

B. Type: Standard Protocol Profile: tcp-wan-optimized

A Standard virtual server is a full proxy, which introduces more overhead than a performance-optimized type. The tcp-wan-optimized profile is for high-latency networks, not general hardware acceleration.

D. Type: Performance (HTTP) Protocol Profile: fasthttp

This type provides some HTTP processing (like OneConnect), which contradicts the requirement that no HTTP optimization features are needed. It is less performant than a pure L4 configuration.

1. F5 BIG-IP LTM Concepts Guide (v15.1), Chapter: "Virtual Servers", Section: "Virtual server types".

Page 2-4: Describes the Performance (Layer 4) virtual server: "A Performance (Layer 4) virtual server is one that has a FastL4 profile associated with it. A Performance (Layer 4) virtual server increases the speed at which the virtual server processes traffic." This directly supports using this type for performance.

2. F5 BIG-IP LTM Concepts Guide (v15.1), Chapter: "Profiles", Section: "Protocol profiles".

Page 3-2: Explains the FastL4 profile: "The FastL4 profile is a protocol profile that you can use to speed up packet processing. The FastL4 profile does this by using the BIG-IP system's Packet Velocity ASIC (PVA) to accelerate traffic." This confirms its role in hardware acceleration.

3. F5 BIG-IP LTM Concepts Guide (v15.1), Chapter: "Virtual Servers", Section: "Virtual server types".

Page 2-5: Describes the Performance (HTTP) virtual server: "A Performance (HTTP) virtual server is a virtual server with a Fast HTTP profile associated with it. A Performance (HTTP) virtual server is designed to speed up certain types of HTTP connections..." This shows it is intended for when some HTTP-level features are desired, which is not the case here.