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   RE: [xml-dev] Slides from "Web Services Security Issues"

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Does encryption and digital signing increase the need for bandwidth or 
the need for CPU power and battery life?  Of those, the second one 
seems to be the harder problem.


From: Ken North [mailto:kennorth@sbcglobal.net]

Jimmy Zhang wrote:
< Also consider how fast the network bandwidth is being commoditized.
< 10Ge, 802.11n (150mb) WLAN, and 802.16 (Ultra wide band), MMDS.
< Event wireless bandwidth is growing rapidly.

But there's also growth in the number of XML applications, such as critical
services, that will be using encryption and digitally-signed documents. The
increase in bandwidth will be offset (for some applications) by the
processing overhead for exchanging secure documents.


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