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Frame latency across VPLS

k.lapczuk
Level 1
Level 1

Hi all,

 

What should be a normal round trip time (ping beetwen the end hosts) for a 64 byte Ethernet frame crossing the VPLS cloud? VPLS cloud is built on two ASR9000 in the core and two ME3600x as the PE routers. The core is using 10G links, PE are using 1G. There is QoS implemented in the network, but there is no frames dropping. 

Should it be in microseconds or a few miliseconds?

Best regards,

 

Krzysztof

1 Reply 1

Joseph W. Doherty
Hall of Fame
Hall of Fame

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Minimum round trip time would depend on physical distance (about 5 us per km), number of hops, and bandwidth of links (the latter two determine serialization delay, per hop - e.g. 64 bytes takes .5 us at gig).

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