[jboss-as7-dev] Term "Site Local Address"

[Brian Stansberry]

The site-local-address attribute in the management API's interface 
resources is used to select an interface based on whether or not 
java.net.InetAddress.isSiteLocalAddress() returns true.

For an IPv4 address that method returns true if it's in one of the IPv4 
private address spaces.

For Inet6Address it's

public boolean isSiteLocalAddress() {
   return ((ipaddress[0] & 0xff) == 0xfe
	&& (ipaddress[1] & 0xc0) == 0xc0);
}

(At least it is in my current JDK 6 install.)

I think it's an important criteria to have. The name could perhaps be 
better if the whole notion of a site local IPv6 address is under debate 
in RFC land. However, if this topic is still being hashed out in the 
specs, IMO we're better off tying ourselves to the JDK and making this 
something where we simply expose what the JDK provides. We can call it 
something else, but it should be documented as simply checking whether 
InetAddress.isSiteLocalAddress() returns true.

On 11/15/11 4:35 AM, Heiko Braun wrote:
>
>
> yes, i've realized that too. so I am wondering if that term should be used at all?
>
> On Nov 15, 2011, at 11:08 AM, Pavel Janousek wrote:
>
>> ----- Original Message -----
>>> From: "Heiko Braun"<HBRAUN at redhat.com>
>>> Within the interface config we use the term "site local address". Is
>>> this term restricted to IP6 or is used to describe private IP4
>>> address spaces as well?
>>
>> Hi Heiko,
>>
>> I think "site local address" is used mainly in IPv6 test plan cases of EAP.
>>
>> But NOTE: "site local addresses" concept is obsoleted in RFC too (and RFC 3879 refuses them), also I got reply from Mike (mharvey) last week with IPv6 review feedback from NTT where this is also mentioned.
>>
>> Further info is in my comment sixth in [1] article.
>>
>> [1] https://docspace.corp.redhat.com/docs/DOC-71739
>>
>> Cheers,
>>
>> Pavel
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>
>
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-- 
Brian Stansberry
Principal Software Engineer
JBoss by Red Hat