Welcome!

Microsoft Cloud Authors: Pat Romanski, Andreas Grabner, Nick Basinger, Kevin Benedict, Liz McMillan

RSS Feed Item

Re: [APPS-REVIEW] Metalink XML Download Description Format (draft-bryan-

On Tue, Sep 2, 2008 at 8:05 PM, Dave Cridland <[email protected]> wrote:
> On Wed Sep  3 00:36:29 2008, Anthony Bryan wrote:
>>
>> > 2) The type attribute of the hash element ought to have values selected
>> > from
>> > the IANA registry of textual hash names;
>> > http://www.iana.org/assignments/hash-function-text-names/ - section
>> > 4.1.6.1
>> > & 4.2.4.1.
>>
>> Wow, thank you so much! I didn't know about that. Should I list the
>> same hash types, or just have this:
>>
>>   The IANA registry named "Hash Function Textual Names" defines values
>>   for hash types.
>>
>>
> The latter - just point to the registry.

Done. Thanks again, that seems to mesh well.

I've changed the schema to just metalinkTextConstruct instead of the
individual hash types too.

>> > 4) Notational convention defines a different convention than is used in
>> > the
>> > examples.
>>
>> The RELAX NG Compact schema doesn't match the rest of the spec? Or
>> something else? I'm still working on that, & if anyone wants to help
>> out please do because I don't have much experience.
>>
>>
> No, your conventions state you'll use a prefix of "metalink", but your
> examples don't. There might have been something else, I forget now.

I see, the schema at the end. I've fixed it.

>> > 5) Section 2, "Metalink Documents MUST be well-formed
>> >  XML." - and presumably "namespace well-formed", as specified in
>> > [XML-NAMES]? Or not?
>>
>> Yes.
>> Is this something I need to add to the draft, or are you mentioning it
>> because of internal inconsistencies in the examples?
>>
>>
> No inconsistency, I simply thought that might be what you meant.

I'm just asking if this is something that needs to be added, since it
copies the Atom RFC text. Isn't it at least somewhat implied? I don't
know enough here, so your (or others) input is appreciated.

>> > 8) Section 4.1.4: "MUST contain one [good] and SHOULD contain more than
>> > one"
>> > - you mean if my download is only available from one location then this
>> > may
>> > provide a cause of poor interoperability? I don't think this is what you
>> > mean. I think you mean: "MUST contain at least one".
>>
>> Exactly, that was an error.
>>
>>      metalink:resources element MUST contain at least one metalink:url
>>      element and SHOULD contain more than one metalink:url elements.
>>
>>
> No, not what I meant. That "SHOULD" is wrong - it can be a "MAY", but
> "SHOULD" has a particular meaning - it means that if you only list one URL
> here, you risk an interop failure.
>
> RFC 2119 is an addictive drug, but like most strong medicine, best used
> sparingly.
>
> I suspect what you want to write is:
>
> The metalink:resources element MUST contain at least one metalink:url
> element. Typically, such elements contain more than one metalink:url element
> to provide multiple download sources.

Yes, changed.

>> > 10) Section 4.2.13: I had to read this twice to figure out it referred
>> > to a
>> > digital signature of the file to be downloaded. It might be as well to
>> > define a term for that in section 2, and use it throughout. I suspect
>> > the
>> > nice security people might have something to say about specifying
>> > PGP-only
>> > detatched signatures.
>>
>> Can you suggest wording that is more clear? I've changed it to:
>>
>>   The "metalink:signature" element is a Text construct that conveys a
>>   digital signature for a file described in a Metalink Document.
>>
>>
> Much more obvious.

Great.

>> I hope some security people will have criticism (& additions) for this
>> section. It describes how Metalink functions now, but we don't want to
>> be PGP specific. I am not familiar enough with other options to write
>> about it :)
>>
>>
> I'm sure the security people will chip in.

Looking forward to it.

>> Do you suggest removing the "type" attribute & having a new separate
>> element as Julian suggested?
>>
>>
> Julian knows a lot more about XML than I do, I'd go along with what he says.

Will do.

>> > 12) Section 4.2.17.1: Perhaps preference and weight? See SRV.
>>
>> I'm not against that if others think that it is necessary/useful, but
>> I haven't added it.
>>
>>
> Might be worth discussing, at least - I've actually no opinion on the
> subject, I just note that SRV, for one, opted for both, presumably based on
> experience with MX.

Good to have the input.

>> > 14) Section 5 - I'd personally just ditch the entire thing, you
>> > effectively
>> > say all that's needed in Section 8.4.
>>
>> This is taken from the Atom RFC. If it needed to be there, does it
>> need to be in this draft as well?
>>
>>
> I'm not convinced it needs to be there either.

I'll be conservative and leave it for now, depending on comments from others.

Updated version at
http://metalinks.svn.sourceforge.net/viewvc/metalinks/internetdraft/

-- 
(( Anthony Bryan ... Metalink [ http://www.metalinker.org ]
 )) Easier, More Reliable, Self Healing Downloads

Read the original blog entry...

IoT & Smart Cities Stories
Moroccanoil®, the global leader in oil-infused beauty, is thrilled to announce the NEW Moroccanoil Color Depositing Masks, a collection of dual-benefit hair masks that deposit pure pigments while providing the treatment benefits of a deep conditioning mask. The collection consists of seven curated shades for commitment-free, beautifully-colored hair that looks and feels healthy.
The textured-hair category is inarguably the hottest in the haircare space today. This has been driven by the proliferation of founder brands started by curly and coily consumers and savvy consumers who increasingly want products specifically for their texture type. This trend is underscored by the latest insights from NaturallyCurly's 2018 TextureTrends report, released today. According to the 2018 TextureTrends Report, more than 80 percent of women with curly and coily hair say they purcha...
The textured-hair category is inarguably the hottest in the haircare space today. This has been driven by the proliferation of founder brands started by curly and coily consumers and savvy consumers who increasingly want products specifically for their texture type. This trend is underscored by the latest insights from NaturallyCurly's 2018 TextureTrends report, released today. According to the 2018 TextureTrends Report, more than 80 percent of women with curly and coily hair say they purcha...
We all love the many benefits of natural plant oils, used as a deap treatment before shampooing, at home or at the beach, but is there an all-in-one solution for everyday intensive nutrition and modern styling?I am passionate about the benefits of natural extracts with tried-and-tested results, which I have used to develop my own brand (lemon for its acid ph, wheat germ for its fortifying action…). I wanted a product which combined caring and styling effects, and which could be used after shampo...
The platform combines the strengths of Singtel's extensive, intelligent network capabilities with Microsoft's cloud expertise to create a unique solution that sets new standards for IoT applications," said Mr Diomedes Kastanis, Head of IoT at Singtel. "Our solution provides speed, transparency and flexibility, paving the way for a more pervasive use of IoT to accelerate enterprises' digitalisation efforts. AI-powered intelligent connectivity over Microsoft Azure will be the fastest connected pat...
There are many examples of disruption in consumer space – Uber disrupting the cab industry, Airbnb disrupting the hospitality industry and so on; but have you wondered who is disrupting support and operations? AISERA helps make businesses and customers successful by offering consumer-like user experience for support and operations. We have built the world’s first AI-driven IT / HR / Cloud / Customer Support and Operations solution.
Codete accelerates their clients growth through technological expertise and experience. Codite team works with organizations to meet the challenges that digitalization presents. Their clients include digital start-ups as well as established enterprises in the IT industry. To stay competitive in a highly innovative IT industry, strong R&D departments and bold spin-off initiatives is a must. Codete Data Science and Software Architects teams help corporate clients to stay up to date with the mod...
At CloudEXPO Silicon Valley, June 24-26, 2019, Digital Transformation (DX) is a major focus with expanded DevOpsSUMMIT and FinTechEXPO programs within the DXWorldEXPO agenda. Successful transformation requires a laser focus on being data-driven and on using all the tools available that enable transformation if they plan to survive over the long term. A total of 88% of Fortune 500 companies from a generation ago are now out of business. Only 12% still survive. Similar percentages are found throug...
Druva is the global leader in Cloud Data Protection and Management, delivering the industry's first data management-as-a-service solution that aggregates data from endpoints, servers and cloud applications and leverages the public cloud to offer a single pane of glass to enable data protection, governance and intelligence-dramatically increasing the availability and visibility of business critical information, while reducing the risk, cost and complexity of managing and protecting it. Druva's...
BMC has unmatched experience in IT management, supporting 92 of the Forbes Global 100, and earning recognition as an ITSM Gartner Magic Quadrant Leader for five years running. Our solutions offer speed, agility, and efficiency to tackle business challenges in the areas of service management, automation, operations, and the mainframe.