SCTP Applicability Statement

1
SCTP Applicability Statement
Signalling Transport Working Group sigtran Michae
l Tüxen, Siemens (the present GTT of Lode Coene,
Siemens Atea)
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Application statement for SCTP

• ltdraft-sigtran-sctp-applic-state-00.txtgt
• It describes the general issues concerning
  transport of data overSCTP
• Published
• Should answer questions like
• How can I use SCTP to provide required services
  for my application/system?
• What functions/benefits will it provide?
• What functions won't it provide?
• What things might I want to consider/modify for
  my particular system?

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Application statement for SCTP

• Open Issues
• be more explicit on congestion control issues
• more info on window sizes(ex for satelite use)
• more info on randomness of the initital Tag
  Sequencenumber(TSN)
• adaptations layers not mandatory, should be
  clearly mentioned
• Section on "Recommendations" -gt any suggestions?
• Other suggestions, text, figures, whatever ....
  warmly welcomed

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Signalling transport over SCTP applicability
statement

• It describes the specifics of transporting
  signalling over SCTP
• The signalling transport over SCTP AS was
  previously known as the SS7-over-IP AS.
• It should be more general M3UA, M2UA,
  M2UA-peer, IUA, SCUA
• Consists of 3 parts
• Signalling transport using SCTPadaptation
  layers, multihoming, congestion issues.
• Adaptation layers in detail
• addressing and naming (how to get from here to
  there, IPaddresses and names, SS7 addresses
  and names, usage, role of DNS
• Not out yet, a first draft will be out after
  Adelaide.

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Document matters

• Additional contributions greatly appreciated
• In any case Talk to, send to, phone
• Lode Coene, Siemens Atea
• John Loughney, Nokia
• Email Lode.Coene_at_siemens.atea.be
• phone [phone]
• And Know for something completely different...

6
Conclusion

• UDT(CLD Adelaide, CLG Atea, User data Lode
  Coene) -gtGTT -gt routing error -gt
  UDTS(Errorcode No translation for such a
  address)
• UDT(CLD Munich, CLG Atea, User data Lode
  Coene) -gt GTT -gt UDT(CLD Munich Machtlfinger,
  CLG Atea, User data Lode Coene) -gt GTT -gt
  UDT(DPC SCTP bakeoff, OPC who cares, User
  data finally a place where they have real
  Beer...)