Citrix SD-WAN WANOP

SSL Acceleration

March 12, 2021

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Does acceleration use a tunnel?

No, acceleration is transparent, using the same IP addresses and port numbers as the original connection. This allows your current monitoring methods to continue to work normally.

How does acceleration change the packet stream?

With non-compressed connections, acceleration adds options to the packet’s TCP header, but leaves the packet payload intact. These options allow the Citrix SD-WAN WANOP devices at each end of the connection to communicate with each other. In addition, the TCP sequence number is adjusted to prevent routing issues or appliance failure from mixing accelerated packets and non-accelerated packets in the same connection.

With compressed connections, the payload is compressed, of course, and the output of the compressor is accumulated into full-sized packets. The upshot is that, for example, 3:1 compression results in one-third as many packets being transmitted, rather than the same number of packets, each reduced to one-third size. Compression also uses Citrix SD-WAN WANOP TCP header options and sequence number adjustment.

What are the basic requirements of acceleration?

Acceleration requires a Citrix SD-WAN WANOP device at both ends of the connection, the connection must use the TCP protocol, and all packets for the connection must pass through both Citrix SD-WAN WANOP devices.

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SSL Acceleration

March 12, 2021

Contributed by:

March 12, 2021

Contributed by:

SSL Acceleration

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