Architecture for displaying information dynamically in browser published over IP without access to that network

Question 1

Im am not a web developer, so I am lacking the idea for an architecture. Here is what I want:

there is information published via udp multicast in some network. It changes every second or so.
my user computer is in some other network, which can communicate with the first network over a gateway, but the udp multicast is not forwarded
I’d like to have a server providing a website that shows the published information dynamically as it comes in.
I’d like to be able to access the website in the browser and get the information from a computer in the second network without having a multicast forward of any sort

How would I do that? How can I make the website dynamical without broadcasting/multicasting the Information in the second network. How does the receiver of the multicasted information communicate with the web server? Does a python server help me?

Question 2

There are a few ways you can go about this, I assume you're looking for near-real-time data so I'm going to go forward with that assumption, but let me start with a tl;dr of my suggested solution at a high level: Event-driven services and Web Sockets - (FYI: Node.js is going to perform better than python here while still providing a very fast development time (not to mention you can use the same library/framework (socket.io) on the front and backend if you want to make your life even easier.)

Event Driven Service
Answering


 
 there is information published via udp multicast in some network. It changes every second or so.
 
 my user computer is in some other network, which can communicate with the first network over a gateway, but the udp multicast is not forwarded
 
 I’d like to have a server providing a website that shows the published information dynamically as it comes in.

For the sake of ease (and there are workarounds, but they're hacky) I'm going to assume that you'd be able to do step 1:

1: Set up a physical server/device to receive/listen to the UDP datagrams from the first network (we'll call this N1 and the other N2 henceforth). Once this is accomplished it's trivial to create a listening service/server to both: trigger on, and utilize, the data (this can also be achieved with a cloud service; however, there are some added caveats/idiosyncrasies with the cloud approach that are easy to understand and get set up but beyond the scope of this answer). This device could live within, or outside, N1 depending on your access, permissions, and needs.

Answering


 I’d like to have a server providing a website that shows the published information dynamically as it comes in.
 
 I’d like to be able to access the website in the browser [...]

2: Create a webservice/server to:

&nbsp&nbsp&nbsp A) Broadcast, via web sockets (which use TCP and allow continuous bilateral communication with a client),the data.

&nbsp&nbsp&nbsp B) Probably provide data access layer functionality or at least cache access (you probably want to, at the very least, temporarily store messages for retrieval in the event a client's connection goes down). The design and setup of which (including the data layer itself) are beyond the scope of this answer.

&nbsp&nbsp&nbsp C) Potentially provide a front end client application: there are plenty of (extremely cheap, reliable, and easy) ways and reasons to offload this responsibility to another service, but plenty of folks have one server do both.

Responding to


 ...and get the information from a computer in the second network [...]

What do you mean by "get the information from a computer in the second network"? Are you just referencing getting the data from UDP datagrams or is there other data you're trying to retrieve from specific devices? If it's the latter that's another layer of complexity and what data you want is going to determine the needed architecture.

Super high-level architecture flow

Feel free to reach out with any questions.

Question 3

You will need to set up the website you want displayed, but tools like PageKite allow for locally hosted applications to be accessed over the internet without port forwarding. I'm personally a fan of PageKite due to how cheap it is, along with being easy to use. They even let you use it for free for a time, so you can test it out, and if you're using it for noncommercial applications you can pretty much get away with not paying a dime.

Architecture for displaying information dynamically in browser published over IP without access to that network

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