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A routing table usually consists of a list of possible destination networks or IP addresses for which the next hop is known. By only storing next-hop information, next-hop routing or next-hop forwarding reduces the size of routing tables. A given gateway only knows one step along the path, not the complete path to a destination. If no next hop ...
next hop: The next hop, or gateway, is the address of the next station to which the packet is to be sent on the way to its final destination; Depending on the application and implementation, it can also contain additional values that refine path selection: quality of service associated with the route. For example, the U flag indicates that an ...
The Next Hop Resolution Protocol (NHRP) is an extension of the ATM ARP routing mechanism [1] that is sometimes used to improve the efficiency of routing computer network traffic over a non-broadcast, multiple access (NBMA) network. [2] It is defined in IETF RFC 2332, [3] and further described in RFC 2333. [4]
The IP forwarding algorithm is a specific implementation of routing for IP networks. In order to achieve a successful transfer of data, the algorithm uses a routing table to select a next-hop router as the next destination for a datagram. The IP address of the selected router is known as the next-hop address. [1] The IP forwarding algorithm ...
The routing metric used by RIP counts the number of routers that need to be passed to reach a destination IP network. The hop count 0 denotes a network that is directly connected to the router. 16 hops denote a network that is unreachable, according to the RIP hop limit. [4]
This is a list of the IP protocol numbers found in the field Protocol of the IPv4 header and the Next Header field of the IPv6 header.It is an identifier for the encapsulated protocol and determines the layout of the data that immediately follows the header.
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The collection of best next hops forms the routing table. This contrasts with distance-vector routing protocols , which work by having each node share its routing table with its neighbours. In a link-state protocol, the only information passed between the nodes is the information used to construct the connectivity maps.