Questions tagged [architecture]

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Good practice to build a microservice architecture with NodeJS

I have designed an architecture for a project with NodeJS and linux servers (NGINX). The architecture is: A Reverse Proxy server NGINX running at the front. One API gateway, its an independent ...
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1answer
17 views

What's the rationale behind using reverse-proxy in front of an application server?

Why do application server documentations always recommend using a reverse-proxy like Nginx? Take a random app server like Gunicorn or a built in server for NPM, what's the rationale behind using Nginx ...
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2answers
185 views

Kubernetes cluster shared storage and backup solutions

Which shared storage solutions are common for Kubernetes cluster to implement shared storage persistence for containers? NFS on NAS / iSCSI somehow? How do you backup the data on a Kubernetes with ...
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1answer
68 views

Azure microservices deployment [closed]

I want to develop and host my portfolio on Azure, since I have free money every month thanks to the MSP Program. My portfolio will be made of 3 services: a frontend app using React a backend app ...
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1answer
39 views

Wake On Demand (Load Balanced Solutions ?)

I'm out of idea facing a challenging situation : Wake up a server on demand. The problem Wake-up a physical server that listen on specific port, when an incoming packet arrives. There may be a ...
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0answers
15 views

How would you design this network in regards to firewall and VPN placement?

The following picture includes the intended future network architecture. However firewall, filtering routers, and a VPN server need to be added. How would you go about configuring those? I've drawn ...
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1answer
70 views

Server Infrastructure - China / Australia

I've been working for a while on developing a custom intranet for a client in Australia for the last few years. The difficult part is that, it needs to be accessed as much by the Chinese team as the ...
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1answer
52 views

Architecting for microservices application

I am not sure whether this is a right forum to ask question with respect to the infrastructure architecture. But posting the question hoping so: One of my customer has a web application which is ...
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0answers
18 views

Changing architecture while upgrading (ubuntu 16lts)?

I wonder if there is a way to change architecture (from 32 to 64bits), even upgrading (or not) from 16.04lts to 18.04lts ? I've looked at do-release-upgrade and other options, but I saw nothing about ...
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1answer
152 views

Api gateway for Microservices with Google Cloud Functions

Inputs For example, we have a few services. Account service Product service Payment service Each service is a separate Google Cloud Function. Each service has its own HTTP API. For example, the ...
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0answers
16 views

Highly available outbound proxy for SMTP/LDAP

We have servers in a datacentre instead of hosting with a cloud provider like AWS or Azure. Currently there are two web servers which sit behind a load balancer. The application makes outbound LDAP ...
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2answers
25 views

How poll lots of external services from aws in a scalable and self-healing way [closed]

I have a set of external services which I want to poll continuously in short intervals (about 30seconds) from AWS. For example, I have a set of git repos which I want to poll for changes to trigger ci ...
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1answer
79 views

Dynamic Game Server Architecture

I'm trying to find a way to design a game server architecture for a real time mobile game. The design should be cost effective but still to some extend scaleable (later on at least with minimal effort)...
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0answers
22 views

Is there a multi-zone multi-service global dashboard for AWS?

Is there any easy way to watch the list of all products in AWS for a single account? I'm currently manually making a "for each geographical zone" "for each service" see it's dashboard, so I can ...
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0answers
64 views

AWS - Encrypting/Decrypting sensitive consumer data - Does my workflow look secure?

I will be using AES-256 symmetric encryption VIA Open SSL. Please have a look at my workflow and let me know if it looks secure. Encryption workflow 1: APP will encrypt data securely using Open SSL ...
4
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1answer
141 views

AWS cloud architecture

I'm trying to figure out how to deploy my applications on AWS. I have very limited DevOps experience and I'm not sure if my design is good. I have two application, a web application that handles ...
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0answers
25 views

Sharing single page application for multiple customers

I'm looking for information to implement the following architecture: One Single Page Application hosted on AWS S3 + Cloudfront distribution - domain example.com A single API accessed by the single ...
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0answers
201 views

Proper way to set up web server for single-page application

What I have usually done with single-page applications is to have a single monolithic application server that returns both HTML and responds to AJAX requests. I'd put all AJAX endpoints (typically ...
2
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1answer
2k views

Ceph or Gluster for implementing big NAS

We are planning to build NAS solution which will be primarily used via NFS and CIFS and workloads ranging from various archival application to more “real-time processing”. The NAS will not be used as ...
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1answer
274 views

Maintenance of nginx server with zero downtime

I manage a few servers and for the sake of the question let's consider these three: nginx server: it only runs nginx and serves static files, responses from the disk cache, or passes requests to the ...
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1answer
2k views

Restricting access to a specific domain on AWS

Our current setup is ALB -> Target Group -> EC2 instances At the moment it's possible to access the EC2 servers behind the load balancer using the IP address of the ALB, the DNS Name (e.g. ...
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3answers
87 views

Server Colocation vs AWS for Hospital System

I have created a software solution for use by hospitals. It uses PHP / MySQL and cannot be compiled into binaries. A hospital that is interested in licensing this software is asking for the PHP code ...
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1answer
43 views

Can I use (these) old servers to test for a setup on a real environment? [closed]

I'm new to servers and a friend of mine just gave me 7 free servers from the early 2000's and 2008. 3x 1950 Poweredge (III) Single 2.0ghz CPU 4 cores. 2gb RAM. 64 bit architecture. 1x Unnammed ...
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2answers
70 views

Windows Server 2016 setup [closed]

I have physical server with the following configuration: HP ProLiant DL320e Gen8 v2, E3-1231v3, 32 GB, 2x1 TB I plan to install MS Windows Server 2016 Datacenter and create multiple virtual machines ...
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0answers
111 views

What is best practice design for internal traffic between microservices?

I have two PHP written microservices A & B. Endpoints are a.example.com and b.example.com. Both services need to be public accessible. In addition, service B makes a lot of curl requests to a....
4
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1answer
103 views

Latency issues when inserting content to China [closed]

Background We have an app that will write into a postgres db hosted in Frankfurt datacenter. The app is installed in each of the 8 sites we have around the world, from China, Korea, India , Germany, ...
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2answers
2k views

Is it possible to restrict access to specific domain/path through VPN on AWS

Our current setup is: Client -> ALB -> Target Group -> auto-scaled instances We have some urls that we would like to "hide" behind VPN access such as: Client -> VPN -> ALB -> ...
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1answer
663 views

BMC TrueSight Architecture Questions & Review

I have been preparing for a TrueSight deployment for some time now but would like to share my high level architecture with everyone and get some feedback as well as some questions I would like to ...
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1answer
704 views

Faking CPU architecture on Debian [closed]

I have a server which uses the armhf (armv7l, Cortex A9 ARMv7 to be precise) CPU architecture. I've been trying to install a certain package on it, but that doesn't work. First off, APT mentioned it ...
1
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1answer
130 views

PCI addresses of 2 network ports differ only in “device function” field => they belong to the same NIC?

I have multiple 10G ethernet ports on my server. Here is lspci for some of them: 81:00.0 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01) 81:00.1 ...
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2answers
148 views

Should io and cpu intensive servers be separated in kubernetes cluster?

We are designing a new cluster architecture for our web service and are planing to use Ceph object storage and kubernetes for our services. for optimizing our servers We have different options: Use ...
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3answers
782 views

How can I get my local network machines to call local web server by URL?

I have four computers connected to a single switch - unconnected to the internet. One of the computers (the large one in the picture) is more powerful than the others and is running Ubuntu, with ...
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2answers
2k views

how to forward TCP requests through a reverse proxy towards multiple data services (Mysql, hadoop, Aurora, mssql … etc)

I'm trying to solve an architecture design puzzle, it's about designing an infra for keeping data and servers as much secured/hidden as possible, here are requirements: *I want to hide the internal ...
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3answers
2k views

Is it good practice to set HTTP headers in the load balancer?

I am managing a setup where there are two ngnix application servers behind an nginx reverse proxy. I would like to set some headers like X-XSS-Protection or Strict-Transport-Security. Currently, it's ...
1
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1answer
284 views

Docker : container by app with LAMP included or LAMP container only?

I have server with 20/30 sites to hosts and I would like to use Docker containers for scalability, maintenability and security. After few searches, I found 2 approaches : one container per ...
0
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1answer
114 views

How to share data between web applications?

I got two web applications, one customer facing and one for internal usage. Both are using a PostgreSQL database. What are the approaches I could take to share data between these applications? Both ...
1
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1answer
171 views

api connecting from WAN to LAN?

I'm not an application developer - Ill start off with that caveat. In Brief; our development team have asked for me to open a series of ports from WAN to LAN completely bypassing our DMZ. They say ...
3
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1answer
22 views

Should our traffic drive our system design or our system design drive our traffic?

A few weeks ago, I have moved to a new company as Linux system administrator, they are going to start a project of moving production servers infrastructure from a data center to Amazon AWS. They are ...
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0answers
246 views

How does the Azure Web Apps architecture look like?

I've had a few outages of 10 to 15 minutes, because apparently Microsoft had a 'blip' on their storages. They told me that it is because of a shared file system between the instances (making it a ...
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1answer
94 views

Seperating web server from database over public network

How much of a risk is it splitting nginx web server from mysql database server and having them talk over public network? The database server would be in the same OVH DC but from what I understand ...
0
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1answer
31 views

Understanding the concept of highload application

So, I have an idea of creating highload app using Ruby on rails. However there are some questions about the conception of the project. The main idea is Client->Load Balancer -> Server_1 ->...
1
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1answer
402 views

Imap local cache server

I'am not sure if it's the good place to ask the question. I would like to know if it's possible to have a local Imap cache server. The main IMAP server is by the provider. To improve performance I ...
1
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1answer
306 views

Could HAProxy disable the Apache Instance on the same node it is running?

I have a setup with three VMs that are running on a core i74xx. The machines form a LAMP cluster with HAProxy doing the loadbalancing. After running multiple load tests I found out, that throughput ...
0
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1answer
592 views

when to use NFS for web app

I am currently building a simple webapp architecture on AWS, as follow: Elastic Load Balancer - multiple front ends - RDS database. I have also set up an NFS server to store all images uploaded by ...
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2answers
173 views

Harpertown vs Sandy Bridge [duplicate]

I planning to upgrade one of my old harpertown based server to a new alternative but when I look at the comparison, this new one doesn't seem to be better at all, matter of fact if I look at the clock ...
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1answer
1k views

Compare bare metal server with AWS [closed]

I was trying to do cost comparison between bare metal servers and cloud servers from AWS. I could not exactly find how to compare a bare metal server with AWS server. AWS servers give capacity in vCPU....
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0answers
76 views

Why does some Windows Updates in wsus doenst contain a architecture?

I synced all security/critical updates on my wsus server and got a lot of updates which doenst contain any architecture. Is this because this update obtains for both architectures (64-bit AND 32-bit). ...
0
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1answer
63 views

Enterprise Service Bus architecture

Quick architecture question. I am needing to set up a portal/website with a database This is easy but now I want to add on functionality for apps, and other clients to interact through an API. My ...
3
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1answer
1k views

OpenStack multiple compute node resources allocation for single vm instance

Im learning about OpenStack and understand that resources of a single compute node can be allocated and shared between multiple vm instances. If we assume that I have a single application that ...
0
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2answers
744 views

is it better to use several small machines or fewer big ones to deploy a stack? [closed]

Is it better to split the different components of a stack over several smaller machines or get 1 or 2 bigger machines and put several components on a same machine? My thought is that if I start with ...