hop count


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hop count

The number of point-to-point links in a transmission path. Since each link is terminated at a network device such as a router or gateway, the processing performed within the device to determine how to forward the packet adds overhead to the transmission. Although each point-to-point link is technically a hop, the hop count is the number of network devices between the starting node and the destination node. An IP packet traveling over the Internet can easily "hop" through more than a dozen routers.


Hops in a Network
Electrical signals may travel near the speed of light in a wire, but each junction point (router, gateway, etc.) adds processing overhead.
References in periodicals archive ?
It is achieved using efficient data transmission mechanism and observations state that the FCFS mechanism fails to attain target goals due to lacks in considering the hop count and delay attribute.
Hop Count refers to the total number of Intermediate devices through which the data travels from source to destination.
Finally, when examining the captured packets with Wireshark, it is observed that the R1 and R2 systems send type 1 and type 3 ICMPv6 messages to the n0 node in order to indicate unreachable destination and exceeded hop count limit, respectively.
Comparing figures 13 and 14 can found VBI tree query efficiency than VBI*-tree high because the query efficiency of the former is n log a hop count, and the latter is 2 log n a hop count.
This RREQ packet includes some information about intermediate nodes and the hop count.
After receiving the first RREQ packet, the destination node waits for a short time period for any more RREQ packets, then chooses a path with the minimum hop count and sends a Route Reply (RREP) along the selected path.
In AODV-ABR which is proposed by Wei Kuang Lai, Sheng-Yu Hsiao and Yuh-Chung Lin, the establishment of backup routes takes advantage of overhearing RREP packets with hop count to the destination [8].
Each neighbour either satisfies the RREQ by sending a route reply (RREP) back to the source or broadcasts the RREQ to its neighbours after increasing the hop count (hop_cnt).
As an example, we can use diffusion waves to produce regions of controlled size, simply by having the particles relay the message if the hop count is below a designated bound.
Sink Hello Packet (S-hp): S-hp contains four fields, Hello Packet Type(s-hp/c-hp), S-HopID, Sink-ID(s) and Maximum Hop Count as shown in Fig.
To prevent looping and excessive delay, the hop count of a path should be limited.
The application requirements are hop count, delay, throughput, loss rate, stability, jitter, cost; and the network capacity is a function of available resources that reside at each node and number of nodes in the network as well as its density, frequency of end-to-end connection (i.