Improving Robustness In Distributed Systems

Improving Robustness in Distributed Systems Per Bergqvist [email_address] Erlang User Conference 2001 (courtesy CellPoint Systems AB)

Design base ,[object Object],[object Object],[object Object],[object Object],[object Object]

Cluster ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Typical system Firewall Switch Traffic Control

Cluster Key Benefits ,[object Object],[object Object]

Implementing a cluster ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Mnesia gotchas ,[object Object],[object Object],[object Object]

... BUT ... ,[object Object],[object Object]

Network parameters ,[object Object],[object Object]

Typical system II: Dual back plane Firewall Switch Traffic Control

Erlang multi-homing problem Host A Host B Host C

Multi-home Erlang w/ TCP ,[object Object],[object Object],[object Object],[object Object],[object Object]

ARP method ,[object Object],[object Object],[object Object]

New routing protocol ,[object Object],[object Object],[object Object],[object Object]

Erlang multi-homing resolved ? Host A Host B Host C

Summing up ,[object Object],[object Object],[object Object],[object Object]

Erlang Distribution over SCTP Per Bergqvist et al [email_address] Erlang User Conference 2002

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