[CCAMP] WG Last Call Comments on "GMPLS Enhancement for Signal and Network Element Compatibility of Wavelength Switched Optical Networks"
Acee Lindem <acee.lindem@ericsson.com> Tue, 29 October 2013 22:16 UTC
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From: Acee Lindem <acee.lindem@ericsson.com>
To: CCAMP <ccamp@ietf.org>
Thread-Topic: WG Last Call Comments on "GMPLS Enhancement for Signal and Network Element Compatibility of Wavelength Switched Optical Networks"
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Date: Tue, 29 Oct 2013 22:16:13 +0000
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Subject: [CCAMP] WG Last Call Comments on "GMPLS Enhancement for Signal and Network Element Compatibility of Wavelength Switched Optical Networks"
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I have the following comments on the subject draft: 1. State the action to take if the new TLV and sub-TLVs or their attendant encodings are malformed. You should log the problem and ignore the entire LSA, subsuming TLV, or just the sub-TLV in GMPLS path computations. 2. Section 2 - Your definition of "At most once" is semantically wrong. "At most once" means the TLV or sub-TLV can be include one time or not at all. It has nothing to with whether or not it should be specified. I hope we are not going to attempt to change the English language with this draft. 3. Section 3 - Figure 1 should not span multiple pages and the scale is off by one - it should be shifted right 1 column. 4. Section 6 - Explicitly state which are IANA registries are being extended. Since you are adding a new TLV, you will also need a new registry for the sub-TLVs. Seehttp://www.iana.org/assignments/ospf-traffic-eng-tlvs/ospf-traffic-eng-tlvs.xhtml#top-level for examples. Editorial Comments: I would suggest the following corrections: 125c125 < to allow both multiple WSON signal types and common hybrid electro --- > to support both multiple WSON signal types and common hybrid electro 197c197 < node. It is constructed of a set of sub-TLVs. There are no ordering --- > node. It is comprised of a set of sub-TLVs. There are no ordering 203c203 < encodings of these properties are defined in [WSON-Encode]. --- > encodings for these properties are defined in [WSON-Encode]. 253,254c253 < router, as described in [RFC3630] and [RFC5250]. Resource Block < Information --- > router, as described in [RFC3630] and [RFC5250]. 279,280c278,279 < The detail encodings of these sub-TLVs are found in [WSON-Encode] as < indicated in the table below. --- > The detailed encodings of these sub-TLVs are found in [WSON-Encode] > as indicated in the table below. 293c292 < relation to the switching device. In particular it indicates the --- > relation to the switching device. In particular, it indicates the 302,303c301,302 < reach or leave all the resources. Resource Block Wavelength < Constraints sub-TLV describe these properties. --- > reach or leave all the resources. The Resource Block Wavelength > Constraints sub-TLV describes these properties. 316c315 < case then wavelength availability on these shared fibers is needed --- > case, then wavelength availability on these shared fibers is needed 353c352 < Bandwidth TLV are defined (TBA by IANA): --- > Bandwidth sub-TLVs are defined (TBA by IANA): 402c401 < produce LSAs that exceed the IP Maximum Transmission Unit (MTU). In --- > produce LSAs that exceeds the IP Maximum Transmission Unit (MTU). In 417,422c416,421 < is received for a system path cannot make use of the other four sub- < TLVs since it does not know the nature of the resources, e.g., are < the resources wavelength converters, regenerators, or something < else. Once this sub-TLV is received path computation can proceed < with whatever of the additional types of sub-TLVs it may have < received (there use is dependent upon the system type). If path --- > is received for a system, path compuation cannot make use of the > other four sub-TLVs since it does not know the nature of the > resources, e.g., are the resources wavelength converters, > regenerators, or something else. Once this sub-TLV is received, > path computation can proceed with whatever sub-TLVs it may have > received (their use is dependent upon the system type). If path 433c432 < these sub-TLVs then there is the possibility of either (a) path --- > these sub-TLVs, then there is the possibility of either (a) path Thanks, Acee
- [CCAMP] WG Last Call Comments on "GMPLS Enhanceme… Acee Lindem
- Re: [CCAMP] WG Last Call Comments on "GMPLS Enhan… Leeyoung
- Re: [CCAMP] WG Last Call Comments on "GMPLS Enhan… Acee Lindem
- Re: [CCAMP] WG Last Call Comments on "GMPLS Enhan… Leeyoung
- Re: [CCAMP] WG Last Call Comments on "GMPLS Enhan… Acee Lindem
- Re: [CCAMP] WG Last Call Comments on "GMPLS Enhan… Lou Berger
- Re: [CCAMP] WG Last Call Comments on "GMPLS Enhan… Leeyoung
- Re: [CCAMP] WG Last Call Comments on "GMPLS Enhan… Lou Berger
- Re: [CCAMP] WG Last Call Comments on "GMPLS Enhan… Leeyoung