ETAG COMPARISON

Australian Toll Road Etag comparison < Rambling Thoughts Blog ...
top-20}} Electronic beeper or etags are currently used on all major Australian toll roads, including Melbourne’s City Link and Queensland’s Logan and Gateway motorways

ongoing · On Being for the Web
It lets you cache entire pages, with their ETags, which means the ETag comparison can be done without having to generate the page from scratch

InfoQ: Using ETags to Reduce Bandwith & Workload with Spring ...
This is an ideal place to apply our ETag comparison logic so that if we find the data that is used to build a page hasn't changed we can avoid further processing

RFC2616bis Issues
i22: ETag (and other metadata) in status messages: RFC2616: design: i23: no-store invalidation ... In the rules for comparison of URIs [section 3.2.3] , it says

HTTP/1.1: Header Field Definitions
The entity tag MAY be used for comparison with other entities from the same resource (see section 13.3.3 ). ETag = "ETag" ":" entity-ta

The Hypertext Transfer Protocol (HTTP) Entity Tag ("ETag") Response ...
... HTTP) specifies a state identifier, called "Entity Tag", to be returned in the "ETag ... The entity tag MAY be used for comparison with other entities from the same resource (see ...

RFC2616
... if they match or not, a client SHOULD use a case-sensitive octet-by-octet comparison of ... HTTP/1.1 uses entity tags in the ETag (section 14.19), If-Match (section 14.24), If ...

Joe Gregorio | BitWorking | REST Tip: Deep etags give you more ...
... may be the time-consuming part of the response and the bandwidth savings may be negligable in comparison. In this case it's beneficial to bury etag support ...

14.20 ETag
The entity tag may be used for comparison with other entities from the same resource (see section 13.3.2). ETag = "ETag" ":" entity-ta

mod_perl: Issuing Correct HTTP Headers
... entity (as would be indicated by a change in Content-Length, Content-MD5, ETag or ... appropriate cache validation mechanism, and the specification of any validator comparison ...