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On.System Architecture
System Architecture (and it’s subfield Software Architecture) is a discipline which is surprisingly poorly covered. In a sense, it is still more an art than a science, and usually requires somebody intimately familiar with practical systems, to tell what’s to do and what’s to avoid when building a system.
IT Hares have lots of experience in both Software Architecture and more general System Architecture, and are trying to share their knowledge (and more importantly, their feelings) about them.
Multi-threading at Business-logic Level is Considered Harmful
September 7, 2015 by • “No Bugs” Bunny
Quote:
However, the window for triviality is very narrow: for example, even going into two interrelated mutexes instead of one, can easily make multi-threading non-trivial
Another Quote:
Technically you are able to jump to any point of your program, but the variables you see may (and if you have a multi-threaded bug – will) differ every time you jump there.
Filed under: On.System ArchitectureDesign decisionsOn.ProgrammingDebugging
Read morePart VIIb: Security (concluded) of 64 Network DO's and DON'Ts for Multi-Player Game Developers
July 20, 2015 by • “No Bugs” Bunny
Quote:
What is practically very important – is to keep all the “unsanitized” data in one place.
Another Quote:
What will happen if attacker got the whole database of your users' passwords?
Filed under: On.System ArchitectureDistributed systemsOn.ProgrammingNetwork ProgrammingOn.SecurityBest Practices
Read morePart VIIa: Security (TLS/SSL) of 64 Network DO’s and DON’Ts for Multi-Player Game Developers
July 13, 2015 by • “No Bugs” Bunny
Quote:
Design of secure protocols is a thing which even security professionals have lots of problems with.
Another Quote:
In the security field, if you can disable something unused – you SHOULD do it
Filed under: On.System ArchitectureDistributed systemsOn.ProgrammingNetwork ProgrammingOn.SecurityBest Practices
Read morePart VI: TCP of 64 Network DO's and DON'Ts for Multi-Player Game Developers
July 6, 2015 by • “No Bugs” Bunny
Quote:
In addition, if TCP_NODELAY is set, it MIGHT help to mitigate consequences of exponential backoff algorithm in case of lost packets.
Another Quote:
All of us are seeing 'hung' HTTP connections on a regular basis – that is, when we've clicked a link, and the page loading is stuck forever.
Filed under: On.System ArchitectureDistributed systemsOn.ProgrammingNetwork Programming
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