s6a diameter interface

8/9/2019 S6a Diameter Interface

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Ta#le +*3*'23 '4 @69N0offloada#ility05T%9N

#it name &escription0 BL / o o+d+ ' '%y

or ;T" /T*'s '%, w*e se%, s*+ ' d'&+%e %*+% %*e %r+ '& +sso&'+%ed w'%*%*e P/ 's + owed %o e o o+ded %o BL / ro: ;T" / $s' 5%*e BL / 3GPP "+d'o I %erworC' 5 e+%$re. I o% se%, '% :e+ s%*e %r+ '& +sso&'+%ed w'%* %*e P/ 's o% + owed %o e o o+ded%o BL / ro: ;T" /.

/?TE '%s o% de ' ed ' %*'s %+ e s*+ e & e+red y %*e se d' 5 SS + d d's&+rded y %*ere&e' ' 5 !!E or SGS/..

7.4 "es$ %- ode + d E er':e %+ -"es$ % V+ $es

7.4.1 Ge er+This section defines result code values that shall be supported by all 8iameter implementations that conform to thisspecification.

7.4.2 S$&&ess/esult codes that fall within the "uccess cate ory shall be used to inform a peer that a reBuest has been successfullycompleted. The /esultA1ode >P values defined in 8iameter 0ase Protocol /71 39?? N, shall be applied.

7.4.3 Per:+ e % +' $res

2rrors that fall within the Permanent 7ailures cate ory shall be used to inform the peer that the reBuest has failed- andshould not be attempted a ain. The /esultA1ode >P values defined in 8iameter 0ase Protocol /71 39?? N, shall beapplied. Ehen one of the result codes defined here is included in a response- it shall be inside an 2'perimentalA/esult

>P and the /esultA1ode >P shall be absent.

7.4.3.1 DI !ETE" E""?" ;SE" ;/K/?B/ (#001)

This result code shall be sent by the ;"" to indicate that the user identified by the %M"% is un#nown

7.4.3.2 DI !ETE" E""?" ;/K/?B/ EPS S; S "IPTI?/ (#420)

This result code shall be sent by the ;"" to indicate that no 2P" subscription is associated with the %M"%.

7.4.3.3 DI !ETE" E""?" " T /?T LL?BED (#421)

This result code shall be sent by the ;"" to indicate the / T type the 2 is usin is not allowed for the %M"%.

7.4.3.4 DI !ETE" E""?" "? !I/G /?T LL?BED (#004)

This result code shall be sent by the ;"" to indicate that the subscriber is not allowed to roam within the MM2 or"G"& area.

7.4.3.# DI !ETE" E""?" E ;IP!E/T ;/K/?B/ (#422)

This result code shall be sent by the 2%/ to indicate that the mobile eBuipment is not #nown in the 2%/.

7.4.3.6 DI !ETE" E""?" ;/K?B/ SE"VI/G /?DE (#423)

This result code shall be sent by the ;"" to indicate that a &otify command has been received from a servin nodewhich is not re istered in ;"" as the node currently servin the user.

3GPP

3GPP TS ()*(+( ,'(*-*. (.'/0.)!'(+%elease '(


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7.4.4 Tr+ s'e % +' $res/esult codes that fall within the transient failures cate ory shall be used to inform a peer that the reBuest could not besatisfied at the time it was received- but may be able to satisfy the reBuest in the future. The /esultA1ode >P valuesdefined in 8iameter 0ase Protocol /71 39?? N, shall be applied. Ehen one of the result codes defined here is includedin a response- it shall be inside an 2'perimentalA/esult >P and the /esultA1ode >P shall be absent.

7.4.4.1 DI !ETE" ;T E/TI TI?/ D T ;/ V IL LE (41Ps of the response. The MM2 or the "G"& may store the determined ;""identityCnameC/ealm and may use it in further 8iameter reBuests to the same user identity.

%n roamin case- whereas a 8iameter /elay ent is stateless- a stateful 8iameter Pro'y ent in the home networ#may store the determined ;"" identityCnameC/ealm and use it in further 8iameter reBuests associated to the same useridentity.

3GPP

3GPP TS ()*(+( ,'(*-*. (.'/0.)!'(2%elease '(


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&OT2K lternatives to the user identity to ;"" resolution 8iameter based implementation are outside the scopeof this specification.

e ( or:+%' e)!!E :+ ' 5 %+ e or S6+ + d / S +$se ode + $esEhen the 2 initiates ttach- Trac#in rea pdate or "ervice /eBuest- there may be the need for the MM2 tocommunicate with the ;"" via "


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Ta#le 9*(4 "appin$ from detected error condition to N9S Cause Code values

Condition N9S cause code sent to 5E

T*e !!E re&e' es + SGs P-L? TI?/-;PD TE-"EME T :ess+5e ro: %*e VL" ' d'&+%' 5 ' %*ereHe&% &+$se I!SI $ C ow ' L" or ' %*e ;E *+s

+&Ce% o y s$ s&r' %'o . ? y $sed ' %*e o: ' edTr+&C' 5 + d Lo&+%'o re+ ; d+%e ro&ed$re.

Q2 I!SI ; C ow ' SS

T*e !!E re&e' es ' ; d+%e-Lo&+%'o - swer:ess+5e + ' d'&+%'o o "o+:' 5 res%r'&%ed ' !!Ed$e %o $ s$ or%ed e+%$re

Q14 EPS ser '&es o% + owed ' %*'s PL!/

T*e !!E &+ o% ser '&e + ;E 5e er+%ed reA$es%e&+$se S do:+' 's o% + +' + e + d S!S '

!!E 's o% s$ or%ed.

Q1< S do:+' o% + +' + e

T*e + $e ?PE" T?" DETE"!I/ED ""I/G 'sre&e' ed ' %*e S$ s&r' er-S%+%$s VP

Q1# /o s$'%+ e &e s ' %r+&C' 5 +re+

T*e SS ' d'&+%es %*+% d$e %o s$ s&r' %'o %o +re5'o + y res%r'&%ed ser '&e %*e ;E 's o% + owed %o

o er+%e ' %*e %r+&C' 5 +re+.

Q12 Tr+&C' 5 +re+ o% + owed

T*e SG ID o %*e &e ro: w*ere %*e ;E *+s se %%*e T" KI/G "E ;PD TE "E ;EST :ess+5e's o% &o %+' ed ' %*e owed SG 's%.

Q2# /o% +$%*or'Jed or %*'s SG

T*e !!E de%e&%s %*+% '% &+ o% &o::$ '&+%e w'%* %*e SS' %*e PL!/ o %*e s$ s&r' er. ow %*e !!E de%e&% %*'s's ': e:e %+%'o s e&' '&.

Q1# /o s$'%+ e &e s ' %r+&C' 5 +re+Q14 EPS ser '&es o% + owed ' %*'s PL!/

/?TE y o %*ose / S +$se ode + $es :+y ese % %o %*e ;E, de e d' 5 o o er+%orFs &*o'&e &o '5$r+%'o , e.5. / S +$se ode Q14 's %o

e se % %o %*e ;E ' %*e e%worC 's + LTE o ye%worC.

T*e !!E de%e&%s y ' %er + &o '5$r+%'o %*+% ro+:' 5 'so% + owed.

Q11 PL!/ o% + owed

T*e !!E de%e&%s %*+% '% &+ o% se d + reA$es% %o %*e SSd$e %o SS o er o+d (see e ).

Q22 o 5es%'oQ42 Se ere e%worC +' $re

/?TE 1 +$se Q22 s*o$ d e $sed. I +dd'%'o , %*e !!E:+y +sC %*e ;E o% %o re%ry e ore + +&Co %':er e 'res,

+sed o + o er+%or o '&y. T*e e e %$+ %':er + $e :+y%+Ce ' %o +&&o$ % %*e + $e re&e' ed ' %*e &orres o d' 5+&%' e o er o+d re or% + d o er+%or o '&y.

/?TE 2 +$se Q42 :+y e $sed, or +%%+&* reA$es%s, '&+se o se ere o er o+d, +&&ord' 5 %o o er+%or o '&y.

3GPP

3GPP TS ()*(+( ,'(*-*. (.'/0.)!'3.%elease '(


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e ( or:+%' e)

SGS/ :+ ' 5 %+ e or S6d + d / S +$se ode + $esEhen the 2 initiates ttach- /outin rea pdate or "ervice /eBuest- there may be the need for the "G"& tocommunicate with the ;"" via "


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e ( or:+%' e)D'+:e%er o er o+d &o %ro :e&*+ 's:

.1 Ge er+%2T7 draftAietfAdimeAovliA* N9* specifies a 8iameter overload control mechanism which includes the definition andthe transfer of related >Ps between 8iameter nodes.

.2 S6+ S6d ' %er +&es

.2.1 Ge er+8iameter overload control mechanism is an optional feature.

%t is recommended to ma#e use of %2T7 draftAietfAdimeAovliA* N9* on the "


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A %dentification of the procedures that can be deferred (e. . 2 reachable notification- pur e after a lon inactivitytime)- so to avoid to drop non deferrable proceduresL

A Prioritisation of certain types of reBuests (i.e. between %/- 5/- P /- &O/) accordin to the conte't of theiruse- in particularK

A ;i her prioritisation of 5/ commands when used in relation with mobility mana ement (e. . handover) for an attached user- so to avoid the interruption of the service for the userL

A 5ower prioritisation of %/ and 5/ commands when related to an initial attach- so to avoid the attachmentof new usersL

A "#ippin of optional authentication (e. . in T procedures).

3GPP

3GPP TS ()*(+( ,'(*-*. (.'/0.)!'3/%elease '(


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e E (' or:+%' e)*+ 5e *'s%ory

Chan$e history&ate TSG A TSG &oc* C% %ev Su#ject Comment >ld New200


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"e+&*+ ' '%yP-0902


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P-090767 0204 - "e ere &e o 3GPP- *+r5' 5- *+r+&%er's%'&sP-090767 0206 - "ese% ro&ed$re !!E SGS/ e*+ 'or

2010-03 TQ47 P-100020 01


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P-13037< 04

s6a diameter interface

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