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13
votes
6answers
1k views

Building a Linux Network for Our Company - Where Do I Start?

This is going to be a somewhat loaded question. I am programming in a company that has been around since 1962. A lot of things, especially computer / network stuff, is very dated. Let me give a bit ...
10
votes
3answers
411 views

Architecting network with 10 Mbps half duplex phone system

Current Configuration The diagram below shows our current network architecture. All connections are running at 100 Mbps full duplex with the exception of the TalkSwitch phone systems which run at 10 ...
8
votes
5answers
4k views

Determine Linux Server's Architecture (32 or 64 bit)

I actually just have shared hosting at Dreamhost, and I'm going to use it to test deploying a MongoDB based application. There are 32-bit and 64-bit pre-built distros, but I don't know which I should ...
8
votes
7answers
5k views

Varnish -> Nginx -> Apache a good idea?

I'm thinking about the architecture for a new Webserver. Would having Varnish as a cache in front of Nginx as a reverse-proxy and serving static files in front of apache for all heavy lifting be a ...
7
votes
2answers
721 views

Architecting your network when you run out of VLANs

This is an entirely hypothetical question, I'm not in this situation now. What happens to your VLAN topology and routing if you run a multi tenant network and you have more than 4096 customers? Do ...
7
votes
11answers
367 views

Graphical MySQL tools

Are there any good graphical tools (preferably free) for navigating a MySQL database? I find myself doing a lot of the same SQL queries to look at data in the tables. I would imagine there's a GUI ...
7
votes
2answers
389 views

Really clear introduction to Sharepoint architecture

I think I understand Sharepoint, but to be honest I don't know what I don't know. A link to some clear documentation would be helpful, or short of that, descriptions of what the following are: A ...
7
votes
3answers
4k views

Layer 4 vs Layer 7 Load Balancing

I am trying to decide between using a layer 4 load balancing solution for my datacenter or a layer 7 solution. Unfortunately (for my sanity, that is), my use case is simple enough that both solutions ...
6
votes
4answers
164 views

Reading material for server architectures

I am currently part of a team working on a new large-scale project consisting of a web platform with content consumed through an API by various mobile devices. We really anticipate a lot of traffic ...
5
votes
8answers
3k views

Bash can't start a programme that's there and has all the right permissions

This is a gentoo server. There's a programme prog that can't execute. (Yes the execute permission is set) About the file $ ls prog $ ./prog bash: ./prog: No such file or directory $ file prog prog: ...
5
votes
8answers
1k views

Help putting together a server for Routing/Firewall/VPN purposes

we're currently in the process of putting together our own server Firewall/Router. We were going to use a dedicated solution from someone like Juniper or Watchguard, but it is going to be a lot more ...
5
votes
7answers
1k views

Optimizing performance across thousands of SQL Server databases

We are building an application where each client will have their own database. None of the databases are particularly large (20MB to 400MB each), but there will be ~5,000 to start and at any one time ...
5
votes
4answers
644 views

Geographical DB synchronus mirroring

An architect in our company has designed a solution based on 64 bit SQL2005 Standard edition synchronous mirroring between a physical (4 quad core, 32GB RAM) server and a virtual DR server (4 virtual ...
5
votes
3answers
2k views

need advice on building a scalable architecture for moodle

I'm looking into designing an architecture for a moodle based education site, it will serve several thousand users at first but needs to be able to grow to support hundreds of thousands to millions of ...
4
votes
2answers
544 views

Google network architecture

I am aware that this question might be closed as "not a real question", "subjective" or even "argumentative". If this is a mistake, I am sorry. I am not good at all at networking but I'm trying to ...
4
votes
4answers
2k views

32 Bit Applications on a 64 Bit OS

Other than memory size limits of 4GB, what is the penalty for running 32 bit applications on an OS running in 64 bit? For example. does a 32 bit application require that it's address space be ...
4
votes
3answers
789 views

Where to go to learn about web architecture? Youtube example?

I'm trying to build a web application that is similar to Youtube (it's not a knock off), but I guess I don't know how video is served on the internet very well. I know how to build regular database ...
4
votes
1answer
543 views

Colour Coding Convention for Server Architecture Block Diagram

Do any colour coding conventions exist for system architecture block diagrams? If not, who/what would be considered the de-facto standard? Is block diagram the correct terminology in this context? ...
3
votes
3answers
5k views

Suggestions on large scale web applications architecture?

It's a big question:) We are running a website with LAMP that is not big, 5 web servers with LVS load balancing, 3 MySQL servers with replications and separation of reading and writing, and we use ...
3
votes
5answers
579 views

Network Designing

I have seven Sites. Each Site contains about 15 to 20 users who are connect via ADSL and lease line. My question is how to design a network infrastructure. To Solve above problem I Create One Domain ...
3
votes
2answers
7k views

What server architecture is appropriate for a multiplayer online game?

For an online, multiplayer roleplaying game that should be able to support at least 1000 players per server instance, what sort of architecture should I use? I'd like to use Java or PHP as the server ...
3
votes
2answers
5k views

How does a SAN architecture work and more importantly scale?

I'm trying to understand some SAN infrastructure and I was hoping some of you with more experience than me could help me understand scaling with a SAN. Imagine that you have some computer servers ...
3
votes
6answers
577 views

WAN Design Questions

I've been tasked with redesigning our company's WAN in North America. We have two offices in the U.S., one in NY and one in the midwest. We also have offices in Europe. I won't be touching anything in ...
3
votes
3answers
7k views

Why is my LAN saying “unidentified network”? (Help setting up server architecture)

as some of you may be aware, I'm currently involved in an on-going saga in getting our servers up and running. As pretty much a newb, I'm slowly making progress, but I've hit a stumbling block. ...
3
votes
1answer
119 views

Installing Windows Server 2008 Once or XP three times?

I have an application which makes use of Outlook 2003, 2007 and 2010. This application performs some tasks requested by a user and then closes. I am going to be putting my application on a virtualised ...
3
votes
2answers
263 views

Too many data replication technologies in environment

It is possible to configure remote data replication at many layers of the storage stack. Some examples to explain what I mean by layers: Physical Volume Layer (TruCopy, SRDF/MirrorView, SnapMirror) ...
3
votes
2answers
3k views

How to set up multiple web and database servers?

My websites have been growing in terms of traffic and the load on the mysql has been increasing. I wanted a solution that would help deal with the increased load on mysql (all queries already ...
3
votes
2answers
662 views

What is your recommendation for a software load balancer or load sharer for the given case?

I have provisioned a server with 8 cores and plan on deploying a network service. For spreading out request load I'd like to run 8 instances of my service. Nothing shocking here. I do not have ...
3
votes
2answers
1k views

Infrastructure Design Tools?

Lets say I wish to put together some various kinds of servers that interact with one another with possible clustering. I have three "actors": general admins, developers, and the users the developers ...
3
votes
2answers
1k views

Best Practice for deploying PHP on multiple servers

I'm currently deploying some PHP Zend applications on my servers and this is currently what I got. 1st Layer - Load-balancer + Http-cache. 2nd Layer - web-server (will have many more webservers in ...
3
votes
2answers
119 views

One active directory server for one geographical site?

we have an 2008 R2 active directory server on our main site. Recently we opened a small secondary site. My question is pretty simple : our 2 sites are connected with a VPN, is it mandatory for us to ...
2
votes
3answers
2k views

LINUX - how can I detect CPU architecture through terminal?

I have a machine on my network that I can only access through ssh, and I want to see if it'll support a 64-bit OS (currently running linux, but I don't know which). Any ideas how to accomplish this ...
2
votes
8answers
978 views

How can 24X7 hours availability for an application be achieved?

I was asked this question in an interview: I have a sql server and an asp.net application. I want 24X7 hours availability for my application even if the server crashes. What are the different ways ...
2
votes
2answers
410 views

guidelines for large Unix data center setup?

Are there any blogs/ recommended readings on how to setup/configure/manage large ( 500 + ) unix servers in a single / multiple data center ? I am trying to understand best practices, network design ...
2
votes
1answer
523 views

The Real World - Systems Architect and Systems Administrator - What is the difference\what am I doing?

I realize that terminology in this field can be slightly ambiguous and that there is obviously some overlap in roles, but hopefully some context will help. I had much fun this last six months ...
2
votes
4answers
335 views

Architecture and Virtualization

I'm trying to build an architecture with Virtual Servers for J2EE Web applications Hosting. I've no experience in virtualisation. I currently have 1 server whith Apache/Jboss/Postgresq/Proftpd ...
2
votes
1answer
77 views

Serving multiple web-service instances [closed]

We're building an API-based web solution on Python which is going to be delivered to individual customers. Each customer is going to have a separate dataset. Currently, it's not a problem to deploy ...
2
votes
1answer
262 views

What is the best way to organize my active directory structure [closed]

i would like to adopt the best structure for my active directory domain, in order to be able to apply GPO efficiently. Here is my schema : CompanyName\ServiceName{Users, Groups, Workstations, Laptops} ...
2
votes
1answer
382 views

Network (firewall) architecture for a LARGE corporation

I am wondering how many of you who work for LARGE companies have a network architecture that enforces the use of three-separate firewalls to get at the data. In other words: Separation of external ...
2
votes
1answer
256 views

Best infrastructure configuration for application hosting (IIS/MSSQL)? Bare Metal, Virtualize?

We're a small consulting shop that hosts some public facing websites and web applications for clients (apps we've either written or inherited). Our strength lies in coding, not necessarily in server ...
2
votes
1answer
772 views

Firewall with layer 3 switch or without it?

I am trying to make a simple network architecture for a small company. One of the sites is built of a firewall (to create a DMZ, to make the VPN between the sites) and three switches, like in link ...
2
votes
1answer
204 views

CMS Architecture - Synchronizing Dev/Test/Staging environments

We have a code, content and DB flow that follows a typical pattern: Dev->Build->Staging->Prod The kicker is that the client is editing and publishing content only in Prod. So our current strategy ...
2
votes
1answer
308 views

SQL Server 2000 HIGH CPU Usage with BusinessObjects reports (unsolvable?)

I have one of those weird questions, those ones that are nearly unsolvable (the only way to really solve them is to throw out the technology and buy new ones). I've had a number of experts (about 10 ...
2
votes
3answers
139 views

Win 2008 single server development environment (architecture)

I have a few questions about a test development environment that I’m setting up on this server: Intel Core i7-920 Quadcode incl. Hyper Threading 8 GB DDR3 RAM (triple-channel) 2x 750 GB SATA-II ...
2
votes
1answer
167 views

IPC between multiple processes on multiple servers

Let's say you have 2 servers each with 8 CPU cores each. The servers each run 8 network services that each host an arbitrary number of long-lived TCP/IP client connections. Clients send messages ...
2
votes
0answers
38 views

Local Lan design to support Multiple WAN

We have about 25~30 serial dedicated lease line or ADSL link using router to connect to different financial companies to do some transactions. SCurrently we have a very large L2 (/20) to host our ...
2
votes
6answers
442 views

Running background jobs In a clustered environment

I have an architecture question. In a clustered web app environment, I can think of three ways to deal with background jobs: have a dedicated machine run all the jobs, thus freeing the web servers ...
1
vote
5answers
777 views

Servers - Buying New vs Buying Second-hand

We're currently in the process of adding additional servers to our website. We have a pretty simple topology planned: A Firewall/Router Server infront of a Web Application Server and Database Server. ...
1
vote
2answers
449 views

SMTP Outbound-Only: More or less reputable?

I'm reconfiguring some mail architecture and wondering about this... For the purposes of avoiding blacklists and maintaining a good MX reputation, is it better to have: One public IP / SMTP server ...
1
vote
3answers
829 views

Why/When to have a separate media server for images, mp3s, flvs etc?

I worked on some websites where they have two servers: one dedicated for serving php web pages, and another dedicated for serving media such as images, flvs, mp3s etc..When you do a view source of a ...