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TWAMP

Two-Way Active Measurement Protocol RFC 5357. TWAMP. TWAMP Intro. TWAMP is a flexible method for measuring round-trip IP performance among any two devices in a network. It measures core and edge IP performance through cooperation between the routers and switches in the Network

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TWAMP

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  1. Two-Way Active Measurement Protocol RFC 5357 TWAMP

  2. TWAMP Intro • TWAMP is a flexible method for measuring round-trip IP performance among any two devices in a network. • It measures core and edge IP performance through cooperation between the routers and switches in the Network • TWAMP connects using TCP and uses UDP packets for testing • Supports IPv4 and IPv6

  3. TWAMP Cont. • TWAMP defines two sets of protocols • Control Protocol • Enables endpoints to negotiate • Performance-measurement probes • Defines the packet format that is needed for measuring round-trip performance.

  4. TWAMP Cont.

  5. TWAMP Protocol • Control-Client Initiates a TCP connection with the Server • Server indicates its willingness to communicate • Client responds with the mode of communication • Server responds to accept the mode and give its start time. • This completes the control connection

  6. TWAMP Protocol • Client request a test session with a unique TWAMP-Control message. • Sever responds with its acceptance and supporting informtion • More than one test session may be requested with additional messages • Client initiates all requested testing with a start sessions message • Sever acknowledges • When testing complete client sends a message to stop all test sessions.

  7. Conclusion • TWAMP is a non-proprietary method of testing IP networks. • Unlike ping and traceroute TWAMP works directly with switches and routers to test network performance. • No proprietary suite like TCP/IP is required to perform testing on network devices.

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