Application Delivery (ADX)

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Contributor
Posts: 35
Registered: ‎05-04-2009

CPS vs TPS - what to look for? Where is the difference?

CPS vs TPS - what to look for? Where is the difference?

Super Contributor
Posts: 316
Registered: ‎05-01-2009

Re: CPS vs TPS - what to look for? Where is the difference?

Let me try to explain the difference:

CPS (Connection Per Second)

CPS involves 3-way TCP handshake (SYN,SYN-ACK and ACK), followed by HTTP GET and HTTP Response followed by TCP connection close (through RESET or FIN). The process then repeats for every HTTP transactions.

-> So basically TCP connection establishment and connection close are involved with every http transaction.

TPS (Transaction Per Second)

TPS on the other hand involves TCP 3-way handshake (SYN, SYN-ACK and ACK) followed by multiple http transactions (GET & RESPONSE, GET & RESPONSE & so on….) and the TCP connection close in the end. Thus TCP connection establishment and connection close is not repeated for every transaction.

It is obvious that the amout of transactions per second is normaly higher than the amount of connections per second. Have a close look at datasheets to see what is actually getting published. CPS and TPS are not really comparable.

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