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From Jean-Sebastien Delfino <jsdelf...@gmail.com>
Subject Re: [DISCUSS] Tuscany.js - an assembly model for Node.js micro-services
Date Mon, 26 Oct 2015 06:30:28 GMT
Hi Arved,

OK that makes sense :) I'll take another look at Switchyard. Thanks!

- Jean-Sebastien

On Sat, Oct 24, 2015 at 5:19 AM, Arved Sandstrom <ahsns104@gmail.com> wrote:

> Hi, Jean-Sebastien
>
> I wasn't suggesting that you actually use JBoss EAP + Fuse Service Works.
> :-) It's relatively heavyweight, and let's face it, if you use that you're
> talking Java. But it does have - in my opinion - a very good architecture
> and tooling. At work, I have been able to deliver robust services at a much
> more rapid rate with Switchyard than with anything like Mule, OSB or WMB.
> My idea was simply that anything that gets set up for a Tuscany.js - which
> I'd like to see - would have the same qualities.
>
> On Wed, Oct 21, 2015 at 3:23 AM, Jean-Sebastien Delfino <
> jsdelfino@gmail.com> wrote:
>
>> Hi Arved,
>>
>> I had looked at Switchyard long time ago and yes, it looked nice. I care
>> about the language though as all the services I'm working on are
>> implemented on Node.js. I've now been doing Node.js for several years and
>> just having to spell Java again in this email gives me the chills :)
>>
>> I'm looking for a really lightweight implementation that I could just
>> embed in my Node apps. To put this in perspective, Node itself is a 12Mb
>> download and all of my micro-services and their dependencies are about 3
>> Mb, compared to a total of 390Mb download just for Java + JBoss EAP +
>> Switchyard.
>>
>> I looked through their docs again but can't find much about Javascript
>> other than a reference to JSR223... Have you seen anything about a Node.js
>> integration in there?
>>
>> - Jean-Sebastien
>>
>> On Tue, Oct 20, 2015 at 4:01 PM, Arved Sandstrom <ahsns104@gmail.com>
>> wrote:
>>
>>> Hi, Jean-Sebastian
>>>
>>> At a useability level, I think it is also worth looking at JBoss Fuse
>>> Service Works, particularly Switchyard. In my opinion, that team nailed
>>> SCA. I think there are some valuable concepts there that would work
>>> well;who cares what the language or implementation is. JBoss FSW is really
>>> good at using SCA to do exactly what you are talking about: Switchyard
>>> services refer to each other easily using SCA - external (consumer or
>>> producer) references use a multitude of bindings.
>>>
>>> A current implementation I am working on totally blows my mind as to how
>>> much better it is than classic ESBs.
>>>
>>> Arved
>>>
>>> On Mon, Oct 19, 2015 at 3:07 AM, Ole Ersoy <ole.ersoy@gmail.com> wrote:
>>>
>>>> Hello Jean-Sebastien,
>>>>
>>>> You may also want to have a look at [Top 10 Browserling Inventions](
>>>> http://www.catonmat.net/blog/top-10-browserling-inventions/).
>>>>
>>>> I think you would be interested in the Seaport Service Registry, Ploy,
>>>> Airport, Upnode, and Bouncy.
>>>>
>>>> Cheers,
>>>> - Ole
>>>>
>>>>
>>>> On 10/19/2015 12:25 AM, Jean-Sebastien Delfino wrote:
>>>>
>>>>> Hi all,
>>>>>
>>>>> It has been a while...
>>>>>
>>>>> Today I was reflecting on what I've been doing in the last two years,
>>>>> mostly micro-services on Node.js, and I'm starting to think that the
>>>>> original ideas behind SCA and Tuscany may be useful to me again. So you
may
>>>>> hear a bit more from me on this list again in the next few weeks...
>>>>>
>>>>> My new world is very different from the world we initially created
>>>>> Tuscany for: Node.js, Javascript everywhere, isomorphic Web apps, simple
>>>>> REST 'services', simple middleware and databases, and not much technical
>>>>> complexity getting in the way of writing business logic. Many of the
issues
>>>>> we were trying to address with SCA like multi-language, multi-protocol,
>>>>> complexity of the JEE platform and WS stack, weird objects requiring
>>>>> injection etc, don't exist anymore in my new world.
>>>>>
>>>>> That's great as developing Web micro-services has become really easy!
>>>>> So easy that I have so many micro-services in my apps now that sometimes
it
>>>>> gets a bit hard to keep track which service calls which, what's that
>>>>> service address, what I need to change when that service moves or gets
>>>>> updated, or what's involved when something goes wrong and I need to find
>>>>> which service broke.
>>>>>
>>>>> That's a serious problem, and something that made me think about SCA
>>>>> and Tuscany again. Despite all the greatness of Node.js and REST and
>>>>> micro-services, I'm probably still missing some kind of assembly model
like
>>>>> we had with SCA. Something that would model my app as as an assembly
of
>>>>> micro-services. Something that would allow my services to reference each
>>>>> other without having to update environment variables all over the place
>>>>> with their addresses. Something that would allow me to understand that
a
>>>>> service broke because another service that it references is currently
down.
>>>>> Something that would provide a description of my service call graphs
for
>>>>> debugging for example. Right now, it's really easy for me to develop
>>>>> micro-services and wire them together, but I don't have a good way to
model
>>>>> that wiring.
>>>>>
>>>>> Maybe what I'm looking for is a small subset of the original SCA
>>>>> concepts: a description of my app as an assembly of services, Javascript
>>>>> friendly, simple and lightweight, declarative but programmable, and
>>>>> distributed and dynamic as my services need to move around to scale out
or
>>>>> when a Cloud region goes down. So, I'm going to spend some of my spare
time
>>>>> on this, evenings and weekends, and try to put together a new variation
of
>>>>> Tuscany for Node.js. I'd like to figure out if that good old SCA can
help
>>>>> me again with my little micro-services issues.
>>>>>
>>>>> I'm thinking about calling that new variation of Tuscany 'Tuscany.js',
>>>>> and maybe put it in a new 'js' sub-folder in the Tuscany repo besides
the
>>>>> existing java and cpp folders.
>>>>>
>>>>> I'd love to work on it with other folks in the community if they're
>>>>> interested! Thoughts?
>>>>>
>>>>> - Jean-Sebastien
>>>>>
>>>>
>>>>
>>>
>>
>

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