Hello,
I am happy to announce that we submitted the second version of the SLS
draft to the IETF. This (new) draft is not submitted to a particular
working group (e.g. DiffServ WG).
Draft Filename:
draft-tequila-sls-00.txt
Title:
"Service Level Specification Semantics and Parameters"
The draft should be available very soon.
Summary of Changes w.r.t. the previous version
(draft-tequila-diffserv-sls-00.txt)
- First Notice that the abstract, introduction, section 5 (SLS
negotiation) and 6 (security) are left UNCHANGED, although some comments
were given on
the mailing list, e.g. to drop the last two sections. For the time
being, we let these topics in this draft as long as the framework
draft is not yet available (which should capture amongst others the SLS
negotiation stuff).
section 3.1
- Comments on the Scope why the semantics excludes many-to-many
communication.
- Some editing in the disclaimer section 3.1
section 3.2
- Adding : an SLS contains one and only one Flow Description (formerly
Flow Id) (cf discussion about
this on the mailing list)
- set of DSCP values is also valid Flow Id/description definition
- comments following the attribute definitions are seriously changed
section 3.3
- title
- SLS allows for multi-level (n) traffic conformance (testing)
i.s.o. only binary in/out-of-profile (allow e.g. classifying based on
two-rate three colour marker). This also means that performance
guarantees may be given for multiple levels (n-1) in section 3.5.
section 3.5 :
- adding of a time interval parameter (this needs still some
clarifications...:-)
- the relationship between throughput, loss and excess treatment should
be clarified now. Throughput is an overall guarantee for all (in/out)
packets
- note on multi-level conformance guarantees
- note on relationship between guarantees and conformance parameters
section 3.8 : added is reporting guarantees, scheduled maintenance (ffs
:-)
Section 4
- example 4.1 is slightly changed (delay)
- new example 4.2: bandwidth pipe for data-services
Regards,
Danny
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