[Sls-slp] Re: [Sis-spp] Re: [CESG] Draft Green Book on Space Packet Protocol
tyamada99 at yahoo.co.jp
Fri Aug 22 19:58:07 UTC 2003
> Store and forward functions are inherently stateful,
> even though
> there is no ack/nack protocol or other signalling
> associated with the
> provision of tis function. There is no set of specs
> that describe
> how any of this is to be done to make the SPP work.
> These functions
> are essential to the proper operations of the end to
> end protocol and
> they must be implemented within the protocol
> entities. However, the
> spec is largely silent on this and it is up to the
> reader to
> interpret, from several pieces of separate
> information, what is
> really required and how it is intended to operate.
> I believe that we can do this better and perhaps the
> SPP-GB is the
> best place to do it. We could, alternatively,
> augment the SPP-RB to
> describe these functions in more detail, whether
> state machine or
> some other description of your choosing. Maybe this
> could go in an
> Appendix to the SPP-RB, but I believe the document
> would be better
> for its inclusion.
I basically agree with you, but there can be several
different ways of doing store-and-forward delivery of
Space Packets. Using the SLE Offline Transfer Services is
one of them. I don't think it is practical to include all
of them in the SPP-RB. What I think we should do is to
include explanations on this issue, including pointers to
appropriate documents, in the SPP-GB.
Takahiro Yamada, ISAS.
Do You Yahoo!?
Yahoo! BB is Broadband by Yahoo!
More information about the SLS-SLP