May 2015 Archive


1028
Routing in the Internet
Routing in the Internet

After studying Internet addressing and the IP protocol, we now turn our attention to the Internet's routing protocols; their job is to determine the path taken by a datagram between source and destination. We'll see that the Internet's routing protocols embody many of the principles

Tags internet addressing, routing protocol, interior gateway protocols, rip response message, routing table,
863
Intra-AS Routing in the Internet: OSPF
Intra-AS Routing in the Internet: OSPF

Like RIP, OSPF routing is extensively used for intra-AS routing in the Internet. OSPF and its closely related cousin, IS-IS, are normally deployed in upper-tier lSPs whereas RIP is deployed in lower-tier ISPs and enterprise networks. The Open in OSPF indicates that the routing

Tags autonomous system, ospf packet, area border routers, link weights
2014
Inter-AS Routing: BGP
Inter-AS Routing: BGP

We just studied how ISPs use RIP and OSPF to find out optimal paths for source-destination pairs that are internal to the same AS. Let's now consider how paths are determined for source-destination pairs that span multiple ASs. The Border Gateway Protocol version 4, is the de

Tags bgp peers, subnet, routers, bgp session, autonomous system, peering link, stub network
1887
Broadcast and Multicast Routing
Broadcast and Multicast Routing

So far in this section, our focus has been on routing protocols that support unicast (i.e., point-to-point) communication, in which a single source node sends a packet to a single destination node. In this section, we focus on broadcast and multicast routing protocols. In broadcast

Tags broadcast routing, multicast routing, broadcast storm, reverse path forwarding, spanning tree, routing protocols
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