[Operators] Google S2S intermittent failures

Maissel, Joe joe.maissel at credit-suisse.com
Wed Aug 12 17:49:17 CDT 2009


Since deploying XMPP federation with gmail.com back in November, we
experience intermittent service problems.  As far as we know, and
according to Google, the problem is experienced only by our domains -
credit-suisse.com and credit-suisse.tv.  Other domains running the same
software and version we use have not experienced the issue.  

The problem always manifests itself the following way.  Outbound traffic
to gmail.com from credit-suisse.com, presence and messages, always
flows.  Inbound traffic from gmail.com stops working for not apparent
reason.  Then, after 4 to 48 hours, it all starts working normally.  I
was able to capture the traffic while it was in the non-working state.
According to our vendor Cisco/Jabber, what's happening is that gmail.com
is trying to piggyback two streams on a single connection.  The
Cisco/Jabber server does not support this and cuts off the connection.
What's puzzling to me is that Cisco/Jabber does not see this issue with
their own federation with gmail.com and neither do any of their
customers.

Here's what the XMPP looks like when it fails (taken from a snoop
session).  Any insight would be greatly appreciated.

<stream:stream xml ns='jabber:server' xml:lang='en'
xmlns:stream='http://et herx.jabber.org/streams'  to='gmail.com'
from='credit-sui sse.tv' xmlns:db ='jabber:server:dialback'
id='1D00006CAF' version='1.0'>

<stream:stream id= "03D643FBF55AFC06" xmlns:stream=
"http://etherx.jabber.org/streams" xmlns="jabber :server"xmlns:d
b="jabber:server:dialback">    

<db:result from='credit-suisse.tv' to='gmail.com'>
34fdb3a8ded16ba9c8575a1e35c19aff60883157</db:result>   

<stream:stream xml ns='jabber:server' xml:lang='en'
xmlns:stream='http://etherx.jabber.org/streams'  to='google.com'
from='credit-suisse.tv'xmlns:db='jabber:server:dialback' id='1E00002B53'
version='1.0'>   

<stream:stream id="583E39808204DFD9"
xmlns:stream="http://etherx.jabber.org/streams"
xmlns="jabber:server"xmlns:db="jabber:server:dialback"> 

<db:result from='credit-suisse.tv' to='google.com'
>7dc6712ed825d7c447412a07ed0bd4ed1f942b6f</db:result>

<stream:stream id= "F4F017CF8BAF662B"
xmlns:stream="http://etherx.jabber.org/streams"
xmlns="jabber:server"xmlns:d b="jabber:server :dialback">  
<stream:stream xml ns='jabber:server' xml:lang='en'
xmlns:stream='http://etherx.jabber.org/streams'
xmlns:db='jabber:server:dialback' id='1700004B46'>  <db:result
to="credit-suisse.tv" from="gmail.com">
CAESBxDvl5efoSQaEMjfSycdUn2HhGNsmmvoRPY=</db:result>    

<db:verify to="credit-suisse.tv" from="gmail.com"
id="03D643FBF55AFC06">34fdb3a8ded16ba9c8575a1e35c19aff60883157</db:verif
y>    

<db:verify from='credit-suisse.tv'  id='03D643FBF55AFC06' to='gmail
.com' type='valid'/> 

<db:result to="credit-suisse.tv" from="google.com"
>CAESBxCBmJefoSQaECIBBvGboXbYhWES3TDOPPU=</db:result>

<db:verify to="credit-suisse.tv" from="google.com"
id="583E39808204DFD9">7dc6712ed825d7c447412a07ed0bd4ed1f942b6f</db:verif
y>     

<stream:stream xml ns='jabber:server' xml:lang='en'
xmlns:stream='http://etherx.jab ber.org/streams'  to='gmail.com'
from='credit-suisse.tv' xmlns:db='jabber:server:dialback'
id='1800000163' version='1.0'>

<db:result to="credit-suisse.tv" from="gmail.com"  type="valid"/>  

<presence from='joe.maissel at credit-suisse.tv/Deskt op21016'
to='anthony.c.west at gmail.com'><priority
>2</priority><status>Available</status><c ext='aft aim'
node='http://www.credit-suisse.com/iconn ect/caps' ver='2 .1.0.16'
xmlns='http://jabber.org/protocol/caps'/></presence>   

<stream:stream id= "32B49FE0F3FA363A" xmlns:stream=
"http://etherx.jabber.org/streams" xmlns="jabber:server"
xmlns:db="jabber:server:dialback">  

<db:verify from='credit-suisse.tv'  id='1700004B46'  to='gmail.com'>
CAESBxDvl5efoSQaEMjfSycdUn2HhGNsmmvoRPY=</db:verify>    

<presence from='jo e.maissel at credit -suisse.tv/Deskt op21016'
to='morganfthompson at gmail.com'>  ********** deleted for expedience
******* </presence> 

<db:result from='credit-suisse.tv'  to='google.com'
type='error'>CAESBxCBmJefoSQaECIBBvGboXbYhWES3TDOPPU=<error code='401'
ype='auth'><not-authorized
xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/></error></db:result><db:ver
ify  from='credit-suisse.tv' id='583E39808204DFD9' to ='google.com'
type='valid'/>             

<db:verify to="credit-suisse.tv" from="gmail.com"  type="valid" id=
"1700004B46"/>     

</stream:stream>  

<stream:stream xml ns='jabber:server' xml:lang='en'
xmlns:stream='http://etherx.jabber.org/streams'  to='google.com'
from='credit-suisse.tv' xmlns:db='jabber:server:dialback'
id='1F000006BF' versi on='1.0'> 

<stream:stream id= "B4FED47157814B10" xmlns:stream=
"http://etherx.jabber.org/streams" xmlns="jabber:server"
xmlns:db="jabber:server:dialback">  

<db:result from='credit-suisse.tv' to='google.com'
>9945221a628ec56157cb4651c7d0b91a1f8d83ab</db:result> 

<stream:stream id= "E3517C4AACE08AE3" xmlns:stream=
"http://etherx.jabber.org/streams" xmlns="jabber:server"
xmlns:db="jabber:server :dialback">

<stream:stream xml ns='jabber:server' xml:lang='en'
xmlns:stream='http://etherx.jabber.org/streams'
xmlns:db='jabber:server:dialback' id='1900001D48' > 

<db:result to="credit-suisse.tv" from="google.com"
>CAESBxC/tpifoSQaEKZLpmWC/9Nh0hS2+RRNr0A=</db:result> 

<db:verify to="credit-suisse.tv" from="google.com"
id="B4FED47157814B10">9945221a628ec56157cb4651c7d0b91a1f8d83ab</db:verif
y> 

<db:verify from='credit-suisse.tv'  id='B4FED47157814B10'
to='google.com' type='valid'/> 

<db:result to="credit-suisse.tv" from="gmail.com">
CAESBxDAtpifoSQaEOcaUQD2pBw3zG8f5XlI7uw=</db:result>

<stream:stream xml ns='jabber:serve r' xml:lang='en'
xmlns:stream='http://etherx.jabber.org/streams'  to='google.com'
from='credit-suisse.tv' xmlns:db='jabber:server:dialback' id='1
A00007756' version='1.0'>

<stream:stream id="1CA0EF2E1E047897" xmlns:stream=
"http://etherx.jabber.org/streams" xmlns="jabber:server"
xmlns:db="jabber:server:dialback"> 

<db:verify from='credit-suisse.tv'  id='1900001D48'  to='google.com'
>CAESBxC/tpifoSQaEKZLpmWC/9Nh0hS2+RRNr0A=</db:verify>

<db:result from='credit-suisse.tv'  to='gmail.com'
type='error'>CAESBxDAtpifoSQaEOcaUQD2pBw3zG8f5XlI7uw=<error code ='401'
type='auth'><not-authorized
xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/> </error></db:result>

<db:result to="credit-suisse.tv" f rom="google.com"  type="valid"/> 

<p resence from='jo e.maissel at credit -suisse.tv/Deskt op21016' to='jon
asl at google.com'> <priority>2</pri ority><status>Av ailable</status> <c
ext='aft aim'  node='http://ww w.credit-suisse. com/iconnect/cap s'
ver='2.1.0.16 ' xmlns='http:// jabber.org/proto col/caps'/></presence> 

<db:verify to="credit-suisse.tv" from="google.com"  type="valid" id
="1900001D48"/> 

</stream:stream>

</stream:stream>


=============================================================================== 
 Please access the attached hyperlink for an important electronic communications disclaimer: 
 http://www.credit-suisse.com/legal/en/disclaimer_email_ib.html 
 =============================================================================== 
 


More information about the Operators mailing list