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>>>>> "Eric" == Eric S Raymond <esr@xxxxxxxxxxx> writes:
>> isomorphic > to the "commercial/noncommercial" problem. The
>> really nasty cases are > near service libraries.
>>
>> Maybe you should spell this out.
>>
>> For example, service libraries need not be a problem. Consider a
>> service library which infringes a patent on SIP, which is to be
>> restricted to interoperability with the SIP protocol. There is
>> no issue if the service library is only useful with SIP, because
>> all the use cases of the service library (excluding looking at
>> the code and taking away the code) would be OK by the policy.
>>
>> Obviously, there is a problem if a patent claims to invent
>> something commonplace such as 'xml', and grants its use only for
>> the purpose of IETF standards or a specific standard. But I'm
>> not sure if I recall something like that.
Eric> What happens when I want to re-use (say) a hash function from
Eric> a library with patent coverage and an area-of-application rule
Eric> on the patent license? -- <a
To add more meat to the example.
Assume that the service library is in fact for HTTP, and it the patent
related to use of MD5 in basic-authentication.
Assume that Eric now wishes to *reuse* this library to implement
something similar as SIP.
- --
] "Elmo went to the wrong fundraiser" - The Simpson | firewalls [
] Michael Richardson, Xelerance Corporation, Ottawa, ON |net architect[
] mcr@xxxxxxxxxxxxx http://www.sandelman.ottawa.on.ca/mcr/ |device driver[
] panic("Just another Debian GNU/Linux using, kernel hacking, security guy"); [
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