: Which interfaces with the Index Server to verify character existence before allowing a game to start. Technical Challenges
When a player hosted a game, their computer sent a heartbeat packet to the Index Server every few seconds. cataloged these heartbeats in a hash table mapped to the game’s name, difficulty, and latency. When another player searched for "Baal runs 001," Index Server 2 responded with the IP address and port of the hosting player (after NAT traversal). bnet index server 2
service BNetIndexServer2 rpc UpdateGameSession(UpdateRequest) returns (UpdateResponse); rpc QueryGames(QueryRequest) returns (stream GameSession); rpc GetPlayerPresence(PlayerRequest) returns (PlayerPresence); : Which interfaces with the Index Server to
The index hummed on. Sometimes, late at night, Mara would scroll through the hypotheses the server produced and read them like flash fiction. The algorithm built a thousand small reunions and a thousand small refusals, each one logged with ruthless honesty. People praised the index when it reunited teammates, and they cursed it when it erased a trace someone wanted to keep. Mara learned the rhythms of both. When another player searched for "Baal runs 001,"