From the course: Implementing Cisco Software-Defined Wan (SD-WAN) for your Enterprise and Cloud

Unlock this course with a free trial

Join today to access over 24,400 courses taught by industry experts.

TCP optimization

TCP optimization - Cisco Tutorial

From the course: Implementing Cisco Software-Defined Wan (SD-WAN) for your Enterprise and Cloud

Start my 1-month free trial Buy for my team

TCP optimization

“

- [Instructor] Now, let's talk about TCP Optimization. So, TCP requires acknowledgement for transmission, which can cause delays in some applications that are using high latency links. Think about the time it just took for the TCP connection to establish between a client and server while I was talking about this. This can become inefficient for a lot of applications, but with TCP optimization, the edge router acts as a TCP proxy between a client that's now initiating a TCP flow and a server that's listening for a TCP flow. So within the first phase, the client will initiate a connection with the WAN Edge B1, which acts as a proxy. The proxy will respond back to the client while forwarding on the actual initial connection to the server, and then the server will then repeat back with the proxy connection. And because of the fact that we've optimized the flow back and forth, we can accelerate the time that it would take for while waiting for the connections. Now TCP optimization is meant…

Contents