Chapter 26
Waiting for Network
This chapter is a case study of network remote procedure call (RPC) delays. Using our RPC client and server programs from earlier chapters, we will examine unexpected round-trip delays.
From our framework, this chapter is about not running while waiting for network. A process can wait for the network because it is waiting for offered work, waiting for a response from another machine, or waiting for congested network hardware.
This chapter draws on the RPC framework introduced in Chapter 6. We assume that RPCs are done through a common library that creates timestamped logs of each request and response message. The library provides a message header with a pseudo-random RPC ID number for each RPC and for nested RPCs ...
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