Dev & Engineering · Engineering, IT & AI

Should you build or buy Realtime Multiplayer Networking / Game Server Hosting?

Realtime multiplayer networking and game server hosting software provides the infrastructure layer for live game sessions — handling client-server communication, matchmaking, lag compensation, relay networking, and fleet management so multiplayer games can support concurrent players with consistent, low-latency gameplay. It covers both the managed relay layer and the authoritative simulation layer that keeps all players in sync.

The build-vs-buy decision for Realtime Multiplayer Networking turns on how deeply your game's competitive integrity and player experience depend on networking decisions that a generic managed platform can't encode, and how far your studio's distributed systems expertise can reach; the specifics of game genre, scale, and competitive requirements decide it.

Domain: Dev & Engineering
Function: Engineering, IT & AI
Industries: Media & Entertainment

Last assessed June 2026 · re-scored quarterly via The Continuum.

Build it, buy it, or bridge?

	Build it	Buy it	Bridge (buy, then extend)
Cost shape	Substantial engineering cost; Photon $0.50/CCU vs. self-hosted EC2 at scale	Epic Online Services relay is free; Photon scales with player count	Managed relay and fleet hosting with custom authoritative server logic
Time to value	Custom authoritative servers take months; not a quick-ship option	Photon and Unity Gaming Services have playable networking in days	Managed relay deployed quickly; custom netcode layered over time
Differentiation captured	Rollback netcode and lag compensation tuned to your specific game feel	Generic relay covers the connection layer; gameplay feel is still yours to build	Vendor handles infrastructure; studio owns the authoritative simulation layer
AI feasibility today	Low-latency authoritative servers with cheat prevention remain genuinely hard	Managed relay and matchmaking are well-solved at the vendor layer	AI speeds server boilerplate; deep netcode still requires specialist expertise
Who it fits	Competitive AAA studios where gameplay feel and fairness are product-defining	Indie and mid-tier studios where managed platforms cover multiplayer basics	Studios wanting managed infrastructure with game-specific simulation logic

The B4 call

B4 has a verdict for Realtime Multiplayer Networking / Game Server Hosting.

Build, Buy, Bridge, or Beware, with the five-dimension scorecard and the reasoning behind it. Unlock the call, and every other category, with B4 Pro.

Unlock the verdict in B4 Pro →

When building Realtime Multiplayer Networking / Game Server Hosting makes sense

Building authoritative game server networking makes sense for studios where the specific feel of player interaction — the lag compensation model, the rollback netcode, the cheat prevention logic — is a direct signal of product quality that players notice and compare against competitors. Riot, Valve, and Epic build their own netcode because a fighting game's rollback implementation and an MMO's area-of-interest system encode competitive design decisions that no generic platform can make for you. The build case gets serious when your game genre demands deterministic simulation, when competitive integrity requires server-authoritative logic that prevents cheating in ways a managed platform can't guarantee, and when your team has the distributed systems depth to ship and maintain it. Free relay infrastructure like Epic Online Services can still handle the connection layer even when the simulation is custom.

When buying Realtime Multiplayer Networking / Game Server Hosting makes sense

Buying managed networking earns its keep for indie and mid-tier studios where the game's core differentiator isn't the netcode and where managed platforms like Photon or Unity Gaming Services handle relay and matchmaking while the studio focuses on game logic and content. Epic Online Services covers relay at no cost, which makes the buy case easy for studios that just need players connected without operating infrastructure. The bridge pattern — managed relay and fleet hosting paired with custom authoritative server logic — is the realistic shape for most studios that need more than peer-to-peer relay but can't staff the full distributed systems problem. Authoritative game server networking is one of the harder distributed systems problems in software; buying or extending the infrastructure layer is sensible for most studios below AAA scale.

Authoritative game server networking is one of the harder distributed systems problems in software. Deterministic simulation, clock synchronization, cheat prevention, and frame-accurate lag compensation are all game-specific and encode competitive design decisions. Riot, Valve, and Epic build their own netcode because gameplay feel is a direct product quality signal that players notice and complain about loudly. Free infrastructure like Epic Online Services covers relay at no cost, but relay isn't the same as a custom authoritative server.

Buying earns its keep for indie and mid-tier studios where managed platforms like Photon or Unity Gaming Services handle relay and matchmaking while the studio focuses on game logic. The build case gets serious when the game's competitive integrity, or the specific feel of player interaction, depends on networking decisions that a generic managed platform can't encode. Most studios end up somewhere in between: managed relay and fleet hosting, with custom authoritative server logic for the game-specific simulation layer.

Representative vendors

Photon (Exit Games)Unity Gaming Services (Relay/Matchmaker) and 3 more, scored in B4 Pro

B4 Pro

Get B4's actual call on Realtime Multiplayer Networking / Game Server Hosting

→ B4's call for Realtime Multiplayer Networking / Game Server Hosting: Build, Buy, Bridge, or Beware
→ The five-dimension scorecard and the scoring rationale
→ All 5 vendors with pricing and positioning
→ Quarterly re-scores that feed the MCP live, so your agents always query the current call
→ MCP server plus API and SDK access, and CSV/JSON export

Upgrade to B4 Pro

Prefer to read first? The book covers the framework end to end.

Frequently asked

What is Realtime Multiplayer Networking / Game Server Hosting?: Realtime multiplayer networking and game server hosting software provides the infrastructure layer for live game sessions — handling client-server communication, matchmaking, lag compensation, relay networking, and fleet management so multiplayer games can support concurrent players with consistent, low-latency gameplay.
When does building Realtime Multiplayer Networking / Game Server Hosting make sense?: Building custom authoritative server networking makes sense for studios where the game's competitive integrity and player feel depend on networking decisions — rollback netcode, lag compensation, cheat prevention — that a generic managed platform can't encode. This is the path Riot and Valve take because their gameplay feel is a direct product quality signal.
When does buying Realtime Multiplayer Networking / Game Server Hosting make sense?: Buying makes sense for indie and mid-tier studios where managed relay and matchmaking from Photon or Unity Gaming Services cover multiplayer basics while the studio focuses on game logic. Epic Online Services provides free relay infrastructure, making the buy case easy for studios that don't need custom authoritative simulation.
What are the main Realtime Multiplayer Networking / Game Server Hosting vendors?: Representative vendors include Photon (Exit Games), pragma, Epic Online Services, Unity Gaming Services (Relay/Matchmaker). B4 Pro scores the full set.
What is the bridge approach for game networking?: Most studios end up somewhere between full build and full buy: managed relay and fleet hosting from a vendor, with custom authoritative server logic for the game-specific simulation layer. This separates the infrastructure problem from the gameplay problem, letting the studio own what differentiates the experience.

The B4 Index scores every software category on two axes, strategic differentiation and AI feasibility, to classify it Build, Buy, Bridge, or Beware. See the full methodology.

More in Dev & Engineering

Build or buy DevOps Platform? Build or buy CI/CD? Build or buy Version Control? Build or buy Low-Code / No-Code? Build or buy Infrastructure as Code (IaC)? Build or buy iPaaS? Build or buy API Management? Build or buy SAST? Build or buy DAST? Build or buy Code Quality Analysis? Build or buy Container Registry? Build or buy Release Orchestration?

The Build Report

Bi-weekly analysis of software categories through the B4 Framework. What to build, what to buy, and how to use AI to make better decisions for your company.