TCP/IP(Routing)

Content DHCP And Mobile IP Internet Routing Protocol

RIP (Routing Information Protocol) OSPF (Open Shortest Path First) BGP (Border Gateway Protocol)

Multicast Routing Reverse Path Broadcast IGMP (Internet Group Management Protocol) Reverse Path Multicast

DHCP MobileIPDHCP MobileIP

DHCP Dynamic Host Configuration Protocol

1. Broadcast an DHCP discover message2. Servers respond DHCP offer message3. Broadcast ID of selected Server4. Send DHCP ACK ( T, T1(=.5T),

T2(=.875T) )

Mobile IP

Mobile IP

Mobile IP

Internet Routing ProtocolInternet Routing Protocol

Internet Routing As Categories

1. Stub AS2. Multihome As3. Transit As

IBG EBG

RIP Send Update Message every 30

second Wait 180 Second for respond

OSPF1. Internal Routers2. Area Border Routers3. Backbone Routers4. Autonomous System Boundary

Router

OSPF

OSPF

OSPF operation stage1. Hello Packet: Neighbors are discovered2. Establish Adjacency And Database

synchronization3. Link State Advertisement exchange

Border Gateway Protocol

Border Gateway Protocol BGP Message

1. OPEN2. UPDATE3. NOTIFICATION4. KEEPALIVE

Multicast RoutingMulticast Routing

Reverse Path Broadcasting

IGMP Internet Group Management

Protocol Run directly on IP

Reverse Path Multicasting