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# BIRD Programmer's Documentation

## Ondrej Filip <feela@network.cz>, Pavel Machek <pavel@ucw.cz>, Martin Mares <mj@ucw.cz>, Ondrej Zajicek <santiago@crfreenet.org>

This document contains programmer's documentation for the BIRD Internet Routing Daemon project.

## 1. BIRD Design

- 1.1 Introduction
- 1.2 Design goals
- 1.3 Architecture
- 1.4 Implementation

## 2. Core

- 2.1 Forwarding Information Base
- 2.2 Routing tables
- 2.3 Route attribute cache
- 2.4 Routing protocols
- 2.5 Graceful restart recovery
- 2.6 Protocol hooks
- 2.7 Interfaces
- 2.8 Neighbor cache
- 2.9 Command line interface
- 2.10 Object locks

## 3. Configuration

- 3.1 Configuration manager
- 3.2 Lexical analyzer
- 3.3 Parser

## 4. Filters

- 4.1 Filters
- 4.2 Trie for prefix sets

## 5. Protocols

- 5.1 Bidirectional Forwarding Detection
- 5.2 Border Gateway Protocol
- 5.3 Open Shortest Path First (OSPF)
- 5.4 Pipe
- 5.5 Routing Information Protocol
- 5.6 Router Advertisements
- 5.7 Static
- 5.8 Direct

## 6. System dependent parts

- 6.1 Introduction
- 6.2 Logging
- 6.3 Kernel synchronization

## 7. Library functions

- 7.1 IP addresses
- 7.2 Linked lists
- 7.3 Miscellaneous functions.

## 8. Resources

- 8.1 Introduction
- 8.2 Resource pools
- 8.3 Memory blocks
- 8.4 Linear memory pools
- 8.5 Slabs
- 8.6 Events
- 8.7 Timers
- 8.8 Sockets

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