Re: Question regarding SIGCOMP
kishore sowdi <[email protected]> Tue, 29 May 2012 18:11:15 +0800 (SGT)
| Newsgroups | gmane.ietf.rohc |
|---|---|
| Message-ID | <[email protected]> |
--===============7310827742916089036== Content-Type: multipart/alternative; boundary="1044491220-1743198891-1338286275=:70328" --1044491220-1743198891-1338286275=:70328 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Hi List,=0A=A0=0AOne more observation=A0this issue:=0A=A0=0AAfter decompres= sing message (4).. 200 OK For REGISTER,=A0SIP Client creates state=A0having= =A0state identifier (SHA1 result) and stores it.=0A=A0=0ABut at (6).. 200 O= K to SUBSCRIBE, Server references a partial state identifier, which does no= t match with state identifier which is generated as mentioned above.=0A=A0= =0AShould they match ? .=0A=A0=0AAt (4), Server asks to create state using = Partial Id, what does partial id signify here during state create ??=0A[-]U= DVM execution trace=0A=A0no_of_state_create 3=0A=A0### Creating state ###= =0A=A0Partial state identifier: AEDBAB80652A=0A=A0### Creating state ###=0A= =A0Partial state identifier: AAA2B32CE212=0A=A0### Creating state ###=0A=A0= Partial state identifier: =0A=A0Please help in identifying the issue...=0A= =A0=0ARegards,=0AKishore=0A=0AFrom: kishore sowdi <[email protected]>= =0ATo: Carsten Bormann <[email protected]> =0ACc: "[email protected]" <[email protected]= > =0ASent: Wednesday, 23 May 2012 2:20 PM=0ASubject: Re: [rohc] Question re= garding SIGCOMP=0A=0A=0AHi Carsten,=0A=A0=0AWith reference to my earlier di= agram, I am describing state create and state access made by server.=0A=A0= =0AIn message (4),=A0I see 3 state creates made by server=0A[-]UDVM executi= on trace=0A=A0no_of_state_create 3=0A=A0### Creating state ###=0A=A0Partial= state identifier: AEDBAB80652A=0A=A0### Creating state ###=0A=A0Partial st= ate identifier: AAA2B32CE212=0A=A0### Creating state ###=0A=A0Partial state= identifier: =0A=A0=0A=A0In message (6), I see state access(referenced) usi= ng partial state id made by server.=0A=A0[-]Signaling Compression=0A=A0 Ret= urned_feedback item: 03=0A=A0 Partial state identifier: AEDBAB80652A=0A=A0 = Remaining SigComp message bytes: 280=0A=A0 ### Accessing state ###=0A=A0 Pa= rtial state identifier: AEDBAB80652A=0A=0AIn message (4), =0A- I can see 3 = state creates as part of "UDVM Execution trace" as decipted by Wireshark (N= etwork Protocol Analyzer)=A0.=0A- Why did not server send these three state= create requests using STATE-CREATE=A0as part of UDVM byte code?=0A=0AIn me= ssage (6),=0A- State having AEDBAB80652A id is referenced (state access) by= server.=0A- My SIP Client says, state with such an=A0identifier not found = and as a result SIP Client fails to decompress the message.=0A=0AI feel,=A0= during (4), If state create requests were made eplicitly using STATE-CREATE= , then my SIP Client would have created those states.=0Aand during (6), dec= ompression would be successful.=0A=0ARegards,=0AKishore=0A=A0 =0A=0AFrom: C= arsten Bormann <[email protected]>=0ATo: kishore sowdi <[email protected]>= =0ACc: "[email protected]" <[email protected]> =0ASent: Wednesday, 23 May 2012 1:4= 5 PM=0ASubject: Re: [rohc] Question regarding SIGCOMP=0A=0AKishore,=0A=0Ayo= ur diagram does not really show the important parts:=0A-- which states are = being created=0A-- which states are being referenced=0A=0AIt is a bit hard = to make out from that what is going on.=0A=0AGr=FC=DFe, Carsten=0A=0A______= _________________________________________=0ARohc mailing [email protected]= rg=0Ahttps://www.ietf.org/mailman/listinfo/rohc=0A=0A----- Forwarded Messag= e -----=0AFrom: kishore sowdi <[email protected]>=0ATo: "[email protected]= g" <[email protected]> =0ASent: Wednesday, 23 May 2012 11:46 AM=0ASubject: Ques= tion regarding SIGCOMP=0A=0AHi ,=0A=0AI am using SIGCOMP to compress/decomp= ress SIP application.=0A=0ASIP Client=A0is uploading UVDM bytecode in all m= essages=A0it sends to server.=0ABelow is the message exchange between SIP C= lient and Server,=0A=A0=0A=0AClient=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0Server=0A1) REG=A0(Cl= ient sends bytecode) ---->=0A=0A=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0(2)=A0<--= --=A0 401(Server sends byte code)=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=0A=A0=0A3) REG=A0 (Client sends bytecode) ---->=A0=A0=A0=A0= =0A=A0=0A=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0(4) <----- 200 OK (Server sends b= yte code)=A0=A0=0A=0A5) SUBSCRIBE (Client sends bytecode)----->=0A=0A=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0 (6)=A0<----- 200 OK (Server sends partial state id= entifier )=0A=0A---> At (6), server tries to access state, by giving partia= l state identifiers, which it gave in state create at step (4) as per "UDVM= Execution trace".... =0A---> when client receives=A0(6),=A0it is failing t= o decompress it saying state not found....=0A---> (6) gets re-transmitted m= any times.....=0A=0AHowever at (4), server has sent only one STATE-CREATE i= nstruction=A0in bytecode ... =0ABut, packet sniffer(wireshark) shows in "UD= VM Execution Trace" having 3 state create requests... =0A=0AMy question is = , why there are no 3 STATE-CREATE instructions in bytecode at (4) ??...=0AI= am confused because "UDVM Execution Trace" having 3 state create requests.= .. and there are no corresponding STATE-CREATE instructions at (4)..=0A=0AS= ince Client has not received 3 STATE-CREATE's in bytecode at (4), it has no= t created those states and suddenly at (6), when server refers to that stat= e giving "partial state id", client fails to match it to the state.=0A=0APl= ease help in identifying the issue...=0A=0ARegards,=0AKishore --1044491220-1743198891-1338286275=:70328 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable <html><body><div style=3D"color:#000; background-color:#fff; font-family:ti= mes new roman, new york, times, serif;font-size:12pt"><div style=3D"RIGHT: = auto"><SPAN style=3D"RIGHT: auto">Hi List,</SPAN></div> <div style=3D"RIGHT: auto"><SPAN style=3D"RIGHT: auto"></SPAN> </div> <div style=3D"RIGHT: auto"><SPAN style=3D"RIGHT: auto">One more observation= this issue:</SPAN></div> <div style=3D"RIGHT: auto"><SPAN style=3D"RIGHT: auto"></SPAN> </div> <div style=3D"RIGHT: auto"><SPAN style=3D"RIGHT: auto">After decompressing = message (4).. 200 OK For REGISTER, SIP Client creates state havin= g state identifier (SHA1 result) and stores it.</SPAN></div> <div style=3D"RIGHT: auto"><SPAN style=3D"RIGHT: auto"></SPAN> </div> <div style=3D"RIGHT: auto"><SPAN style=3D"RIGHT: auto">But at (6).. 200 OK = to SUBSCRIBE, Server references a partial state identifier, which does not = match with state identifier which is generated as mentioned above.</SPAN></= div> <div style=3D"RIGHT: auto"><SPAN style=3D"RIGHT: auto"><VAR id=3Dyui-ie-cur= sor></VAR></SPAN> </div> <div style=3D"RIGHT: auto"><SPAN style=3D"RIGHT: auto">Should they match ? = .</SPAN></div> <div style=3D"RIGHT: auto"><SPAN style=3D"RIGHT: auto"></SPAN> </div> <div style=3D"RIGHT: auto"><SPAN style=3D"RIGHT: auto">At (4), Server asks = to create state using Partial Id, what does partial id signify here during = state create ??</SPAN></div> <div style=3D"RIGHT: auto"><SPAN style=3D"RIGHT: auto">[-]UDVM execution tr= ace<BR> no_of_state_create 3<BR> ### Creating state ###<BR> = Partial state identifier: <B>AEDBAB80652A</B><BR> ### Creating state #= ##<BR> Partial state identifier: <STRONG>AAA2B32CE212</STRONG><BR>&nbs= p;### Creating state ###<BR> Partial state identifier: </SPAN></div> <div style=3D"RIGHT: auto"><SPAN style=3D"RIGHT: auto"></SPAN> </div><= SPAN style=3D"RIGHT: auto"></SPAN><SPAN style=3D"RIGHT: auto"></SPAN><SPAN = style=3D"RIGHT: auto"> <DIV style=3D"RIGHT: auto">Please help in identifying the issue...</DIV> <DIV style=3D"RIGHT: auto"><VAR id=3Dyiv1768045339yui-ie-cursor></VAR> = ;</DIV></SPAN> <div style=3D"RIGHT: auto"><SPAN style=3D"RIGHT: auto">Regards,</SPAN></div= > <div style=3D"RIGHT: auto"><SPAN style=3D"RIGHT: auto">Kishore</SPAN></div> <div><BR></div> <DIV style=3D"FONT-FAMILY: times new roman, new york, times, serif; FONT-SI= ZE: 12pt"> <DIV style=3D"FONT-FAMILY: times new roman, new york, times, serif; FONT-SI= ZE: 12pt"> <DIV dir=3Dltr><FONT size=3D2 face=3DArial> <DIV style=3D"BORDER-BOTTOM: #ccc 1px solid; BORDER-LEFT: #ccc 1px solid; P= ADDING-BOTTOM: 0px; LINE-HEIGHT: 0; MARGIN: 5px 0px; PADDING-LEFT: 0px; PAD= DING-RIGHT: 0px; HEIGHT: 0px; FONT-SIZE: 0px; BORDER-TOP: #ccc 1px solid; B= ORDER-RIGHT: #ccc 1px solid; PADDING-TOP: 0px" class=3Dhr readonly=3D"true"= contenteditable=3D"false"></DIV><B><SPAN style=3D"FONT-WEIGHT: bold">From:= </SPAN></B> kishore sowdi <[email protected]><BR><B><SPAN style= =3D"FONT-WEIGHT: bold">To:</SPAN></B> Carsten Bormann <[email protected]> = <BR><B><SPAN style=3D"FONT-WEIGHT: bold">Cc:</SPAN></B> "[email protected]" <= ;[email protected]> <BR><B><SPAN style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B= > Wednesday, 23 May 2012 2:20 PM<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Su= bject:</SPAN></B> Re: [rohc] Question regarding SIGCOMP<BR></FONT></DIV><BR= > <DIV style=3D"RIGHT: auto" id=3Dyiv1768045339> <DIV style=3D"RIGHT: auto"> <DIV style=3D"BACKGROUND-COLOR: #fff; FONT-FAMILY: times new roman, new yor= k, times, serif; COLOR: #000; FONT-SIZE: 12pt"> <DIV><SPAN>Hi Carsten,</SPAN></DIV> <DIV><SPAN></SPAN> </DIV> <DIV><SPAN>With reference to my earlier diagram, I am describing state crea= te and state access made by server.</SPAN></DIV> <DIV><SPAN></SPAN> </DIV> <DIV style=3D"RIGHT: auto"><U style=3D"RIGHT: auto">In message (4), I = see 3 state creates made by server<BR></U>[-]UDVM execution trace<BR> = no_of_state_create 3<BR> ### Creating state ###<BR> Partial state= identifier: <B>AEDBAB80652A</B><BR> ### Creating state ###<BR> P= artial state identifier: AAA2B32CE212<BR> ### Creating state ###<BR>&n= bsp;Partial state identifier: <BR> <BR> <U>In message (6), I see = state access(referenced) using partial state id made by server.</U></DIV> <DIV> [-]Signaling Compression<BR> Returned_feedback item: 03<BR= > Partial state identifier: <B>AEDBAB80652A</B><BR> Remaining S= igComp message bytes: 280<BR> ### Accessing state ###<BR> Parti= al state identifier: <B>AEDBAB80652A</B></DIV> <DIV> </DIV> <DIV>In message (4), </DIV> <DIV>- I can see 3 state creates as part of "UDVM Execution trace" as decip= ted by Wireshark (Network Protocol Analyzer) .</DIV> <DIV>- Why did not server send these three state create requests using STAT= E-CREATE as part of UDVM byte code?<VAR id=3Dyiv1768045339yui-ie-curso= r></VAR></DIV> <DIV> </DIV> <DIV>In message (6),</DIV> <DIV>- State having <B>AEDBAB80652A </B>id is referenced (state access) by = server.</DIV> <DIV>- My SIP Client says, state with such an identifier not found and= as a result SIP Client fails to decompress the message.</DIV> <DIV> </DIV> <DIV>I feel, during (4), If state create requests were made eplicitly = using STATE-CREATE, then my SIP Client would have created those states.</DI= V> <DIV>and during (6), decompression would be successful.</DIV> <DIV> </DIV> <DIV>Regards,</DIV> <DIV>Kishore</DIV> <DIV> </DIV> <DIV> </DIV> <DIV style=3D"FONT-FAMILY: times new roman, new york, times, serif; FONT-SI= ZE: 12pt"> <DIV style=3D"FONT-FAMILY: times new roman, new york, times, serif; FONT-SI= ZE: 12pt" dir=3Dltr><FONT size=3D2 face=3DArial> <DIV style=3D"BORDER-BOTTOM: #ccc 1px solid; BORDER-LEFT: #ccc 1px solid; P= ADDING-BOTTOM: 0px; LINE-HEIGHT: 0; MARGIN: 5px 0px; PADDING-LEFT: 0px; PAD= DING-RIGHT: 0px; HEIGHT: 0px; FONT-SIZE: 0px; BORDER-TOP: #ccc 1px solid; B= ORDER-RIGHT: #ccc 1px solid; PADDING-TOP: 0px" class=3Dyiv1768045339hr></DI= V><B><SPAN style=3D"FONT-WEIGHT: bold">From:</SPAN></B> Carsten Bormann <= ;[email protected]><BR><B><SPAN style=3D"FONT-WEIGHT: bold">To:</SPAN></B> ki= shore sowdi <[email protected]> <BR><B><SPAN style=3D"FONT-WEIG= HT: bold">Cc:</SPAN></B> "[email protected]" <[email protected]> <BR><B><SPAN= style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> Wednesday, 23 May 2012 1:45 P= M<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Subject:</SPAN></B> Re: [rohc] Qu= estion regarding SIGCOMP<BR></FONT></DIV> <DIV style=3D"FONT-FAMILY: times new roman, new york, times, serif; FONT-SI= ZE: 12pt">Kishore,<BR><BR>your diagram does not really show the important p= arts:<BR>-- which states are being created<BR>-- which states are being ref= erenced<BR><BR>It is a bit hard to make out from that what is going on.<BR>= <BR>Gr=FC=DFe, Carsten<BR><BR>_____________________________________________= __<BR>Rohc mailing list<BR><A href=3D"mailto:[email protected]" rel=3Dnofollow = target=3D_blank ymailto=3D"mailto:[email protected]">[email protected]</A><BR><A hr= ef=3D"https://www.ietf.org/mailman/listinfo/rohc" rel=3Dnofollow target=3D_= blank>https://www.ietf.org/mailman/listinfo/rohc</A><BR></DIV> <DIV style=3D"FONT-FAMILY: times new roman, new york, times, serif; FONT-SI= ZE: 12pt"><FONT size=3D2 face=3DArial>----- Forwarded Message -----</FONT><= /DIV> <DIV style=3D"FONT-FAMILY: times new roman, new york, times, serif; FONT-SI= ZE: 12pt"><FONT size=3D2><FONT face=3DArial><SPAN style=3D"FONT-WEIGHT: bol= d">From:</SPAN> kishore sowdi <[email protected]><BR><B><SPAN s= tyle=3D"FONT-WEIGHT: bold">To:</SPAN></B> "[email protected]" <[email protected]= > <BR><B><SPAN style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> Wednesday, 2= 3 May 2012 11:46 AM<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Subject:</SPAN>= </B> Question regarding SIGCOMP</FONT></FONT><BR></DIV> <DIV style=3D"FONT-FAMILY: times new roman, new york, times, serif; FONT-SI= ZE: 12pt"> <DIV style=3D"BACKGROUND-COLOR: #fff; FONT-FAMILY: times new roman, new yor= k, times, serif; COLOR: #000; FONT-SIZE: 12pt"> <DIV>Hi ,</DIV> <DIV> </DIV> <DIV>I am using SIGCOMP to compress/decompress SIP application.</DIV> <DIV> </DIV> <DIV>SIP Client is uploading UVDM bytecode in all messages it sen= ds to server.</DIV> <DIV>Below is the message exchange between SIP Client and Server,</DIV> <DIV><VAR id=3Dyiv1768045339yui-ie-cursor></VAR> </DIV> <DIV> </DIV> <DIV><B><U>Client </U></B> &n= bsp;  = ; &n= bsp; <SPAN class=3Dyiv1768045339tab> &nbs= p;<SPAN class=3Dyiv1768045339tab> <SPAN class=3Dyiv1= 768045339tab> <SPAN class=3Dyiv1768045339tab> &= nbsp; <SPAN class=3Dyiv1768045339tab> <SP= AN class=3Dyiv1768045339tab> <SPAN class=3Dyiv176804= 5339tab> <SPAN class=3Dyiv1768045339tab> = <SPAN class=3Dyiv1768045339tab> <SPAN cl= ass=3Dyiv1768045339tab> <SPAN class=3Dyiv1768045339t= ab> </SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN= ></SPAN></SPAN></SPAN></SPAN><B><U>Server</U></B></DIV> <DIV>1) REG (Client sends bytecode) ----></DIV> <DIV> </DIV> <DIV><SPAN class=3Dyiv1768045339tab> <SPAN class=3Dy= iv1768045339tab> <SPAN class=3Dyiv1768045339tab>&nbs= p; <SPAN class=3Dyiv1768045339tab> = <SPAN class=3Dyiv1768045339tab> <SPAN class=3Dyiv176= 8045339tab> <SPAN class=3Dyiv1768045339tab> &nb= sp; <SPAN class=3Dyiv1768045339tab> <SPAN= class=3Dyiv1768045339tab> <SPAN class=3Dyiv17680453= 39tab> <SPAN class=3Dyiv1768045339tab> &n= bsp; <SPAN class=3Dyiv1768045339tab> <SPAN clas= s=3Dyiv1768045339tab> <SPAN class=3Dyiv1768045339tab= > <SPAN class=3Dyiv1768045339tab> &= nbsp;<SPAN class=3Dyiv1768045339tab> <SPAN class=3Dy= iv1768045339tab> <SPAN class=3Dyiv1768045339tab>&nbs= p; <SPAN class=3Dyiv1768045339tab> <SPAN class=3Dyiv17680453= 39tab> <SPAN class=3Dyiv1768045339tab> &n= bsp; <SPAN class=3Dyiv1768045339tab> (2) <---- = ; 401(Server sends byte code)</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SP= AN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></= SPAN></SPAN></SPAN><SPAN class=3Dyiv1768045339tab> <= SPAN class=3Dyiv1768045339tab> <SPAN class=3Dyiv1768= 045339tab> <SPAN class=3Dyiv1768045339tab> &nbs= p; <SPAN class=3Dyiv1768045339tab> <SPAN = class=3Dyiv1768045339tab> <SPAN class=3Dyiv176804533= 9tab> <SPAN class=3Dyiv1768045339tab> &nb= sp; <SPAN class=3Dyiv1768045339tab> <SPAN class= =3Dyiv1768045339tab> <SPAN class=3Dyiv1768045339tab> </SPAN></SPAN></SPAN></SP= AN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></DIV> <DIV><SPAN class=3Dyiv1768045339tab><SPAN class=3Dyiv1768045339tab><SPAN cl= ass=3Dyiv1768045339tab><SPAN class=3Dyiv1768045339tab><SPAN class=3Dyiv1768= 045339tab><SPAN class=3Dyiv1768045339tab><SPAN class=3Dyiv1768045339tab><SP= AN class=3Dyiv1768045339tab><SPAN class=3Dyiv1768045339tab><SPAN class=3Dyi= v1768045339tab><SPAN class=3Dyiv1768045339tab><SPAN class=3Dyiv1768045339ta= b><SPAN class=3Dyiv1768045339tab></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN>= </SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN> </DIV> <DIV><SPAN class=3Dyiv1768045339tab>3) REG (Client sends bytecode) --= --> </SPAN></DIV> <DIV><SPAN class=3Dyiv1768045339tab></SPAN> </DIV> <DIV><SPAN class=3Dyiv1768045339tab> <SPAN class=3Dy= iv1768045339tab> <SPAN class=3Dyiv1768045339tab>&nbs= p; <SPAN class=3Dyiv1768045339tab> = <SPAN class=3Dyiv1768045339tab> <SPAN class=3Dyiv176= 8045339tab> <SPAN class=3Dyiv1768045339tab> &nb= sp; <SPAN class=3Dyiv1768045339tab> <SPAN= class=3Dyiv1768045339tab> <SPAN class=3Dyiv17680453= 39tab> <SPAN class=3Dyiv1768045339tab> &n= bsp; <SPAN class=3Dyiv1768045339tab> <SPAN clas= s=3Dyiv1768045339tab> <SPAN class=3Dyiv1768045339tab= > <SPAN class=3Dyiv1768045339tab> &= nbsp;<SPAN class=3Dyiv1768045339tab> <SPAN class=3Dy= iv1768045339tab> <SPAN class=3Dyiv1768045339tab>&nbs= p; <SPAN class=3Dyiv1768045339tab> <SPAN class=3Dyiv17680453= 39tab> <SPAN class=3Dyiv1768045339tab> &n= bsp; <SPAN class=3Dyiv1768045339tab> (4) <----- 200 OK (= Server sends byte code) </SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SP= AN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></= SPAN></SPAN></SPAN></SPAN></SPAN> </DIV> <DIV> </DIV> <DIV>5) SUBSCRIBE (Client sends bytecode)-----></DIV> <DIV> </DIV> <DIV> <SPAN class=3Dyiv1768045339tab> <SPAN cla= ss=3Dyiv1768045339tab> <SPAN class=3Dyiv1768045339ta= b> <SPAN class=3Dyiv1768045339tab> = <SPAN class=3Dyiv1768045339tab> <SPAN class=3D= yiv1768045339tab> <SPAN class=3Dyiv1768045339tab>&nb= sp; <SPAN class=3Dyiv1768045339tab>  = ;<SPAN class=3Dyiv1768045339tab> <SPAN class=3Dyiv17= 68045339tab> <SPAN class=3Dyiv1768045339tab> &n= bsp; <SPAN class=3Dyiv1768045339tab> <SPA= N class=3Dyiv1768045339tab> <SPAN class=3Dyiv1768045= 339tab> <SPAN class=3Dyiv1768045339tab> &= nbsp; <SPAN class=3Dyiv1768045339tab> <SPAN cla= ss=3Dyiv1768045339tab> <SPAN class=3Dyiv1768045339tab> <SPAN class=3Dyiv17680453= 39tab> <SPAN class=3Dyiv1768045339tab> &n= bsp; <SPAN class=3Dyiv1768045339tab> <SPAN cla= ss=3Dyiv1768045339tab>(6) <----- 2</SPAN></SPAN></SPAN></SPAN></SPA= N></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></S= PAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN>00 OK (Server sends partial s= tate identifier )</DIV> <DIV> </DIV> <DIV>---> At (6), server tries to access state, by giving partial state = identifiers, which it gave in state create at step (4) as per "UDVM Executi= on trace".... </DIV> <DIV>---> when client receives (6), it is failing to decompres= s it saying state not found....</DIV> <DIV>---> (6) gets re-transmitted many times.....</DIV> <DIV> </DIV> <DIV>However at (4), server has sent only one STATE-CREATE instruction = ;in bytecode ... </DIV> <DIV>But, packet sniffer(wireshark) shows in "UDVM Execution Trace" having = 3 state create requests... </DIV> <DIV> </DIV> <DIV>My question is , why there are no 3 STATE-CREATE instructions in bytec= ode at (4) ??...</DIV> <DIV>I am confused because "UDVM Execution Trace" having 3 state create req= uests... and there are no corresponding STATE-CREATE instructions at (4)..<= /DIV> <DIV> </DIV> <DIV>Since Client has not received 3 STATE-CREATE's in bytecode at (4), it = has not created those states and suddenly at (6), when server refers to tha= t state giving "partial state id", client fails to match it to the state.</= DIV> <DIV> </DIV> <DIV style=3D"RIGHT: auto">Please help in identifying the issue...<VAR id= =3Dyiv1768045339yui-ie-cursor></VAR></DIV> <DIV> </DIV> <DIV>Regards,</DIV> <DIV>Kishore</DIV></DIV><BR><BR></DIV></DIV></DIV></DIV></DIV><BR><BR></DIV= ></DIV></div></body></html> --1044491220-1743198891-1338286275=:70328-- --===============7310827742916089036== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Rohc mailing list [email protected] https://www.ietf.org/mailman/listinfo/rohc --===============7310827742916089036==--