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Using the string +apX for the diameter application identifiers in RFC6408

+3 votes
128 views

Can anybody tell me why use the string "apX" for the application identifiers in RFC6408? Why not use some kind of acronym for them?

E.g., Can I change 'aaaapX' in the following "(S-NAPTR) Application Service Tag" registry table

 ---------------------------------------------- 
 | Tag | Diameter Application | 
 ---------------------------------------------- 
 | aaaap1 | NASREQ [RFC3588 [1]] | 
 | aaaap2 | Mobile IPv4 [RFC4004 [2]] | 
 ---------------------------------------------- 

as "aaaaconym" as follows: 
 ---------------------------------------------- 
 | Tag | Diameter Application | 
 ---------------------------------------------- 
 | aaanasreq | NASREQ [RFC3588 [3]] | 
 | aaamip4 | Mobile IPv4 [RFC4004 [4]] | 
 ---------------------------------------------- 
posted Oct 21, 2013 by Meenal Mishra

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1 Answer

+1 vote

The "apX" directly identified the application identifier number. Therefore there is no need to maintain mapping between human readable acronyms and actual application identifier numbers.

answer Oct 21, 2013 by Sanketi Garg
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0 votes

What is the use of keeping the same information in two places like Application-Id in the Diameter header and Application-Id as AVP ?

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