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M3UA restrictions
by smirnov.s
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Hi Experts!
Can ASP in general send transit message through SG/SGP? An example. ASP1(SPC1)--SG--ASP2(SPC2) Can ASP1 send a message with routing key DPC(SPC2)-OPC(SPC1)-SI(any) to ASP2? Must SG/SGP discard this message? Br, Smirnov Sergey NW MegaFon, Russia _______________________________________________ Sigtran mailing list Sigtran@... https://www.ietf.org/mailman/listinfo/sigtran |
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Re: M3UA restrictions
by Brian F. G. Bidulock
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smirnov.s,
Yes, it is as you expect: provided, of course, that the SG has the SS7 "transfer function." --brian smirnov.s@... wrote: (Wed, 02 Jul 2008 12:52:31) > Hi Experts! > > Can ASP in general send transit message through SG/SGP? > > An example. > ASP1(SPC1)--SG--ASP2(SPC2) > Can ASP1 send a message with routing key DPC(SPC2)-OPC(SPC1)-SI(any) to ASP2? Must SG/SGP discard this message? > > Br, > Smirnov Sergey > NW MegaFon, Russia > _______________________________________________ > Sigtran mailing list > Sigtran@... > https://www.ietf.org/mailman/listinfo/sigtran -- Brian F. G. Bidulock bidulock@... http://www.openss7.org/ _______________________________________________ Sigtran mailing list Sigtran@... https://www.ietf.org/mailman/listinfo/sigtran |
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Re: M3UA restrictions
by smirnov.s
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Hi, Brian,
Excuse me I have to specify my question. Can SI (service indicator) be 0 or 1 (management subsystems)? Br, Smirnov Sergey NW MegaFon, Russia -----Original Message----- From: Brian F. G. Bidulock [mailto:bidulock@...] Sent: Wednesday, July 02, 2008 1:11 PM To: Смирнов Сергей Cc: sigtran@... Subject: Re: [Sigtran] M3UA restrictions smirnov.s, Yes, it is as you expect: provided, of course, that the SG has the SS7 "transfer function." --brian smirnov.s@... wrote: (Wed, 02 Jul 2008 12:52:31) > Hi Experts! > > Can ASP in general send transit message through SG/SGP? > > An example. > ASP1(SPC1)--SG--ASP2(SPC2) > Can ASP1 send a message with routing key DPC(SPC2)-OPC(SPC1)-SI(any) to ASP2? Must SG/SGP discard this message? > > Br, > Smirnov Sergey > NW MegaFon, Russia > _______________________________________________ > Sigtran mailing list > Sigtran@... > https://www.ietf.org/mailman/listinfo/sigtran -- Brian F. G. Bidulock bidulock@... http://www.openss7.org/ _______________________________________________ Sigtran mailing list Sigtran@... https://www.ietf.org/mailman/listinfo/sigtran |
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Re: M3UA restrictions
by smirnov.s
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Hi, Brian,
Excuse me I have to specify my question. Can SI (service indicator) be 0 or 1 (management subsystems)? Br, Smirnov Sergey NW MegaFon, Russia -----Original Message----- From: Brian F. G. Bidulock [mailto:bidulock@...] Sent: Wednesday, July 02, 2008 1:11 PM To: Смирнов Сергей Cc: sigtran@... Subject: Re: [Sigtran] M3UA restrictions smirnov.s, Yes, it is as you expect: provided, of course, that the SG has the SS7 "transfer function." --brian smirnov.s@... wrote: (Wed, 02 Jul 2008 12:52:31) > Hi Experts! > > Can ASP in general send transit message through SG/SGP? > > An example. > ASP1(SPC1)--SG--ASP2(SPC2) > Can ASP1 send a message with routing key DPC(SPC2)-OPC(SPC1)-SI(any) to ASP2? Must SG/SGP discard this message? > > Br, > Smirnov Sergey > NW MegaFon, Russia > _______________________________________________ > Sigtran mailing list > Sigtran@... > https://www.ietf.org/mailman/listinfo/sigtran -- Brian F. G. Bidulock bidulock@... http://www.openss7.org/ _______________________________________________ Sigtran mailing list Sigtran@... https://www.ietf.org/mailman/listinfo/sigtran |
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Re: M3UA restrictions
by smirnov.s
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Hi, Brian,
Excuse me I have to specify my question. Can SI (service indicator) be 0 or 1 (management subsystems)? Br, Smirnov Sergey NW MegaFon, Russia -----Original Message----- From: Brian F. G. Bidulock [mailto:bidulock@...] Sent: Wednesday, July 02, 2008 1:11 PM To: Смирнов Сергей Cc: sigtran@... Subject: Re: [Sigtran] M3UA restrictions smirnov.s, Yes, it is as you expect: provided, of course, that the SG has the SS7 "transfer function." --brian smirnov.s@... wrote: (Wed, 02 Jul 2008 12:52:31) > Hi Experts! > > Can ASP in general send transit message through SG/SGP? > > An example. > ASP1(SPC1)--SG--ASP2(SPC2) > Can ASP1 send a message with routing key DPC(SPC2)-OPC(SPC1)-SI(any) to ASP2? Must SG/SGP discard this message? > > Br, > Smirnov Sergey > NW MegaFon, Russia > _______________________________________________ > Sigtran mailing list > Sigtran@... > https://www.ietf.org/mailman/listinfo/sigtran -- Brian F. G. Bidulock bidulock@... http://www.openss7.org/ _______________________________________________ Sigtran mailing list Sigtran@... https://www.ietf.org/mailman/listinfo/sigtran |
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Re: M3UA restrictions
by Shmelev Kirill
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Hi Sergey,
RFC does not put restrictions on the values of SI. You may use whatever parameters you want, and use any values you desire. Some manufacturers do put such restrictions - for example, SGW node cannot perform IP-IP routing, and SI 0, 1 and 2 cannot be include in the RK. But it is not due to RFC, but rather due to business and technical issues.
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Re: M3UA restrictions
by Brian F. G. Bidulock
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smirnov.s,
SI 0 or 1 are not valid MTP User Parts and do not have to be supported by an SG. Various error response are available. AFAIK no proscribed error or procedure is specified for dealing with these messages as different from any other erroneously coded message. Reference RFC 4666 p. 53 "Service Indicators", "... The absence of the SI parameter in the Routing Key indicates the use of any SI value, excluding of course MTP management. ..." --brian smirnov.s@... wrote: (Thu, 03 Jul 2008 10:09:12) > Hi, Brian, > > Excuse me I have to specify my question. Can SI (service indicator) be > 0 or 1 (management subsystems)? > > Br, > Smirnov Sergey > NW MegaFon, Russia -- Brian F. G. Bidulock bidulock@... http://www.openss7.org/ _______________________________________________ Sigtran mailing list Sigtran@... https://www.ietf.org/mailman/listinfo/sigtran |
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Re: M3UA restrictions
by smirnov.s
::
Rate this Message:
Hi, Brian,
Excuse me I have to specify my question. Can SI (service indicator) be 0 or 1 (management subsystems)? Br, Smirnov Sergey NW MegaFon, Russia -----Original Message----- From: Brian F. G. Bidulock [mailto:bidulock@...] Sent: Wednesday, July 02, 2008 1:11 PM To: Смирнов Сергей Cc: sigtran@... Subject: Re: [Sigtran] M3UA restrictions smirnov.s, Yes, it is as you expect: provided, of course, that the SG has the SS7 "transfer function." --brian smirnov.s@... wrote: (Wed, 02 Jul 2008 12:52:31) > Hi Experts! > > Can ASP in general send transit message through SG/SGP? > > An example. > ASP1(SPC1)--SG--ASP2(SPC2) > Can ASP1 send a message with routing key DPC(SPC2)-OPC(SPC1)-SI(any) to ASP2? Must SG/SGP discard this message? > > Br, > Smirnov Sergey > NW MegaFon, Russia > _______________________________________________ > Sigtran mailing list > Sigtran@... > https://www.ietf.org/mailman/listinfo/sigtran -- Brian F. G. Bidulock bidulock@... http://www.openss7.org/ _______________________________________________ Sigtran mailing list Sigtran@... https://www.ietf.org/mailman/listinfo/sigtran |
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Re: M3UA restrictions
by smirnov.s
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Hello, Brian,
Yes, I read this comment about MTP management. But I think there is misunderstanding. ASP sends TRANSFER message (payload data) with DPC which doesn't belong to SG. In traditional SS7 an STP must route such message to output link set without checking of parameter, e.g. SI. So, why in M3UA SG don't have to work similarly? BR, Sergey -----Original Message----- From: Brian F. G. Bidulock [mailto:bidulock@...] Sent: Thursday, July 03, 2008 10:31 AM To: Смирнов Сергей Cc: sigtran@... Subject: Re: [Sigtran] M3UA restrictions smirnov.s, SI 0 or 1 are not valid MTP User Parts and do not have to be supported by an SG. Various error response are available. AFAIK no proscribed error or procedure is specified for dealing with these messages as different from any other erroneously coded message. Reference RFC 4666 p. 53 "Service Indicators", "... The absence of the SI parameter in the Routing Key indicates the use of any SI value, excluding of course MTP management. ..." --brian smirnov.s@... wrote: (Thu, 03 Jul 2008 10:09:12) > Hi, Brian, > > Excuse me I have to specify my question. Can SI (service indicator) be > 0 or 1 (management subsystems)? > > Br, > Smirnov Sergey > NW MegaFon, Russia -- Brian F. G. Bidulock bidulock@... http://www.openss7.org/ _______________________________________________ Sigtran mailing list Sigtran@... https://www.ietf.org/mailman/listinfo/sigtran |
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Re: M3UA restrictions
by Brian F. G. Bidulock
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smirnov.s,
Because M3UA does not transport the MTP protocol, Q.704: it transports the MTP to MTP-User service interface as described in Q.701 (i.e. MTP-TRANSFER primitive of Clause 8.1) which does not provide for L4 specified management messages. --brian smirnov.s@... wrote: (Fri, 04 Jul 2008 10:51:18) > Hello, Brian, > > Yes, I read this comment about MTP management. But I think there is > misunderstanding. ASP sends TRANSFER message (payload data) with DPC > which doesn't belong to SG. In traditional SS7 an STP must route such > message to output link set without checking of parameter, e.g. SI. So, > why in M3UA SG don't have to work similarly? > > BR, Sergey -- Brian F. G. Bidulock bidulock@... http://www.openss7.org/ _______________________________________________ Sigtran mailing list Sigtran@... https://www.ietf.org/mailman/listinfo/sigtran |
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Re: M3UA restrictions
by David Laight-3
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The thing to remember is that M3UA carries the MTP3 service interface. So if there is a user-part (eg ISUP or SCCP) at one end then there is an MTP3 at the other. The M3UA SG (effecively) just feeds traffic into MTP3. David > -----Original Message----- > From: sigtran-bounces@... > [mailto:sigtran-bounces@...] On Behalf Of smirnov.s@... > Sent: 04 July 2008 07:51 > To: bidulock@... > Cc: sigtran@... > Subject: Re: [Sigtran] M3UA restrictions > > Hello, Brian, > > Yes, I read this comment about MTP management. But I think > there is misunderstanding. > ASP sends TRANSFER message (payload data) with DPC which > doesn't belong to SG. In traditional SS7 an STP must route > such message to output link set without checking of > parameter, e.g. SI. So, why in M3UA SG don't have to work similarly? > > BR, Sergey > -----Original Message----- > From: Brian F. G. Bidulock [mailto:bidulock@...] > Sent: Thursday, July 03, 2008 10:31 AM > To: Смирнов Сергей > Cc: sigtran@... > Subject: Re: [Sigtran] M3UA restrictions > > smirnov.s, > > SI 0 or 1 are not valid MTP User Parts and do not have > to be supported by an SG. Various error response are > available. AFAIK no proscribed error or procedure is > specified for dealing with these messages as different > from any other erroneously coded message. > > Reference RFC 4666 p. 53 "Service Indicators", > > "... The absence of the SI parameter in the Routing > Key indicates the use of any SI value, excluding of > course MTP management. ..." > > --brian > > smirnov.s@... wrote: (Thu, 03 Jul 2008 10:09:12) > > Hi, Brian, > > > > Excuse me I have to specify my question. Can SI (service > indicator) be > > 0 or 1 (management subsystems)? > > > > Br, > > Smirnov Sergey > > NW MegaFon, Russia > > -- > Brian F. G. Bidulock > bidulock@... > http://www.openss7.org/ > _______________________________________________ > Sigtran mailing list > Sigtran@... > https://www.ietf.org/mailman/listinfo/sigtran > Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales) P Please consider the environment and don't print this e-mail unless you really need to _______________________________________________ Sigtran mailing list Sigtran@... https://www.ietf.org/mailman/listinfo/sigtran |
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