What latency does the interconnect add?.Does the interconnect between the host system and NIC (PCI, PCI-X, PCI Express) have sufficient bandwidth?.Does the host system have sufficient processor and memory resources to support the desired application and operating system network stack?.sending a message from computer A to computer B across a network) can be influenced by many different subsystems, including: The performance of a network system (i.e. It's the Latency, Stupid (a few years old, but still relevant today).What applications are particularly latency-sensitive?.Why is latency a concern? Isn't low bandwidth what is slowing my downloads?.The rate at which the message is transmitted across the networkįor instance, a round-the-world fiber link can have very high bandwidth (as measured in bytes/sec), but the time required for the optical signal to propagate through the cable can be high (hundreds or thousands of ms). The time (delay) it takes for a message to be transported across the network.The performance of a network system is measured by two primary characteristics:
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