[DG-IDoT] Common identity standard

Ranjan Jain (ranjain) ranjain at cisco.com
Mon Jul 20 11:49:12 CDT 2015

Thanks Nat and Aninda.
>From your responses, I see one thing is common which is the identifier
discovery mechanism to get more attributes about the identity provided the
entity is allowed to interact with that identifier.

Let me think a bit more on this and respond back with more questions.

From:  Nat Sakimura <sakimura at gmail.com>
Date:  Thursday, July 16, 2015 at 10:25 PM
To:  Aninda Bhunia <abhunia at inc38.com>
Cc:  Ranjan  Jain <ranjain at cisco.com>, "dg-idot at kantarainitiative.org"
<dg-idot at kantarainitiative.org>
Subject:  Re: [DG-IDoT] Common identity standard

> Hi Ranjan, 
> I suppose you meant identifier, not identity.
> Identity is often defined as 'set of attributes related to an entity' (ISO/IEC
> 29115, ITU-T X.1254, OpenID Connect, etc.). It can be represented in many
> ways, but X.509 (ASN.1), SAML(XML), ID Token (JSON) are some of the popular
> formats. 
> There is no single standard for identifier.
> However, we can represent them as URIs or URNs. XRI is another candidate.
> One advantage of using URI/XRI is that you can resolve it to get more data
> about it. 
> My 2c.  
> Nat Sakimura 
> On Thursday, July 16, 2015, Aninda Bhunia <abhunia at inc38.com> wrote:
>> Hi Ranjan, 
>> You bring up interesting points but the question i believe, we need to ask,
>> is why (if at all) do we need to 'exchange' identity information and does it
>> make practical sense to have just one common identity structure in the IoT
>> ecosystem?
>> I dont think it would be practical nor scalable to have just one common
>> identity structure. Rather we need to have a flexible schema and a universal
>> discovery mechanism for identity attributes based on the type of service an
>> entity is interested in interacting with. Such a framework could be
>> configured with hierarchical rule sets which govern what 'kinds' of entities
>> are authorized to interact with the entity domain the rules govern and with
>> 'what capacity'.
>> would be interested in hearing other's thoughts.
>> Aninda
>> On Thu, Jul 16, 2015 at 2:38 PM, Ranjan Jain (ranjain) <ranjain at cisco.com
>> <javascript:_e(%7B%7D,'cvml','ranjain at cisco.com');> > wrote:
>>> Hey y¹all,
>>> Hope everyone is doing well. Just wanted to bounce a question which I¹m
>>> consistently getting asked around Identity, IoT perspective. Is there any
>>> industry standard in place or in works which can be used as a common
>>> standard across multiple identities. What I mean by this is that humans have
>>> SSN as an identity while a thermostat may have serial number while a network
>>> device may have a Mac ID as their identity. So, while individually they all
>>> have their own identity standard, when in the IoT world, all these entities
>>> start interacting with each other, how do we translate one identity into
>>> another or how will one identity interact with another identity in a
>>> standards way?
>>> Thanks
>>> Ranjan
>>> Ranjan Jain
>>> Information Technology
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>>> -- 
>>> Aninda Bhunia
>>> President, The Incubate Group
>>> 416.418.1674 (Phone)
>>> (888) 483-3818 (fax)
>>> abhunia at inc38.com <javascript:_e(%7B%7D,'cvml','abhunia at inc38.com');>
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>>> -- 
>>> Nat Sakimura (=nat)
>>> Chairman, OpenID Foundation
>>> http://nat.sakimura.org/
>>> @_nat_en

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