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-rw-r--r--draft-schanzen-gns.xml64
1 files changed, 40 insertions, 24 deletions
diff --git a/draft-schanzen-gns.xml b/draft-schanzen-gns.xml
index 684ce83..f33fc77 100644
--- a/draft-schanzen-gns.xml
+++ b/draft-schanzen-gns.xml
@@ -3309,38 +3309,48 @@ Value Symbol Symbol
3309 <section> 3309 <section>
3310 <name>Virtual Hosting</name> 3310 <name>Virtual Hosting</name>
3311 <t> 3311 <t>
3312 HTTP virtual hosting and TLS Server Name Indication are common 3312 HTTP virtual hosting and TLS Server Name Indication are common
3313 use cases on the Web. 3313 use cases on the Web.
3314 The HTTP client such as a browser supplies a DNS name in the HTTP 3314 The HTTP client such as a browser supplies a DNS name in the HTTP
3315 "Host"-header or the TLS handshake, respectively. 3315 "Host"-header or the TLS handshake, respectively.
3316 This allows the HTTP server to serve the indicated virtual host 3316 This allows the HTTP server to serve the indicated virtual host
3317 with a matching TLS handshake. 3317 with a matching TLS handshake.
3318 Any resource record in GNS can be represented as a concatenation of 3318 The unambiguity of DNS names are a prerequisite of those use cases.
3319 of a GNS label and the zTLD of the zone. 3319 </t>
3320 While not human-readable, this property of GNS names can be 3320 <t>
3321 leveraged in order to facilitate the same use cases. 3321 GNS names are not globally unique.
3322 </t> 3322 But, any resource record in GNS can unambiguously be represented as a
3323 <t> 3323 concatenation of of a GNS label and the zTLD of the zone.
3324 While not human-readable, this property of GNS names can be
3325 leveraged in order to facilitate the same use cases.
3326 </t>
3327 <t>
3324 Consider the GNS name "www.example.gns" entered in a GNS-aware 3328 Consider the GNS name "www.example.gns" entered in a GNS-aware
3325 HTTP client. 3329 HTTP client.
3326 At first, "www.example.gns" is resolved using GNS yielding a record 3330 At first, "www.example.gns" is resolved using GNS yielding a record
3327 set. 3331 set.
3328 Then, the HTTP client first determines the virtual host as follows: 3332 Then, the HTTP client determines the virtual host as follows:
3333 </t>
3334 <t>
3335 If there is a LEHO record (<xref target="gnsrecords_leho"/>) in
3336 the record set, then the HTTP client uses the record value in the
3337 "Host"-header field of the HTTP request:
3329 </t> 3338 </t>
3330 <ol> 3339 <artwork name="" type="" align="left" alt=""><![CDATA[
3331 <li>If there is a LEHO record (<xref target="gnsrecords_leho"/>) in 3340GET / HTTP/1.1
3332 the record set, then the HTTP client uses the record value in the 3341Host: www.example.com
3333 "Host"-header field of the HTTP request. Example: 3342 ]]></artwork>
3334 "Host: www.example.com".</li> 3343 <t>
3335 <li>
3336 If there is no LEHO record in the record set, 3344 If there is no LEHO record in the record set,
3337 then the HTTP client tries to find the zone of the record 3345 then the HTTP client tries to find the zone of the record
3338 and translates the GNS name into an unabiguous 3346 and translates the GNS name into an unabiguous
3339 zTLD-representation before using it in the "Host"-header field of 3347 zTLD-representation before using it in the "Host"-header field of
3340 the HTTP request. Example: 3348 the HTTP request:
3341 "Host: www.000G0037FH3QTBCK15Y8BCCNRVWPV17ZC7TSGB1C9ZG2TPGHZVFV1GMG3W". 3349 </t>
3342 </li> 3350 <artwork name="" type="" align="left" alt=""><![CDATA[
3343 </ol> 3351GET / HTTP/1.1
3352Host: www.000G0037FH3QTBCK15Y8BCCNRVWPV17ZC7TSGB1C9ZG2TPGHZVFV1GMG3W
3353 ]]></artwork>
3344 <t> 3354 <t>
3345 In order to determine a canonical representation of the record with 3355 In order to determine a canonical representation of the record with
3346 a zTLD, at most two queries are required: 3356 a zTLD, at most two queries are required:
@@ -3348,7 +3358,13 @@ Value Symbol Symbol
3348 a zone delegation record which would imply that the record set which 3358 a zone delegation record which would imply that the record set which
3349 was originally resolved is published under the apex label. 3359 was originally resolved is published under the apex label.
3350 If it does, the unique GNS name is simply the zTLD representation 3360 If it does, the unique GNS name is simply the zTLD representation
3351 of the delegated zone: "Host: 000G0037FH3QTBCK15Y8BCCNRVWPV17ZC7TSGB1C9ZG2TPGHZVFV1GMG3W". 3361 of the delegated zone:
3362 </t>
3363 <artwork name="" type="" align="left" alt=""><![CDATA[
3364GET / HTTP/1.1
3365Host: 000G0037FH3QTBCK15Y8BCCNRVWPV17ZC7TSGB1C9ZG2TPGHZVFV1GMG3W
3366 ]]></artwork>
3367 <t>
3352 If it does not, the unique GNS name is the concatenation of the 3368 If it does not, the unique GNS name is the concatenation of the
3353 label "www" and the zTLD representation of the zone as given in the 3369 label "www" and the zTLD representation of the zone as given in the
3354 example above. 3370 example above.