43 43 votes Packets of the same session may be routed through different paths in: TCP, but not UDP TCP and UDP UDP, but not TCP Neither TCP nor UDP Computer Networks gatecse-2005 computer-networks tcp udp easy + – Kathleen 28.4k views answer comment Share Follow Print See all 2 Comments 2 2 Comments reply Lucky sunda commented Oct 6, 2016 reply Follow flag If instead of session, connection would have been there, what would be the change?? 0 0 replyShare Gaurav Yadav commented Sep 18, 2021 i edited by Gaurav Yadav Sep 24, 2021 reply Follow flag The Internet chosen connectionless service at the network layer. Datagram approach to packet switching is used. Route for each packet is calculated independently. TCP is connection oriented in the way that data transfer happens in 3 phases: Connection Establishment Data Transfer Connection Termination TCP makes sure packet reach the destination host. In TCP, connection oriented is related to reliability not path followed by packets. Therefore, Routing happens at the Network Layer which is an unreliable and connectionless service. A page from A. Forouzon (Data Communication & Networking) 7 7 replyShare Please log in or register to add a comment.
Best answer 105 105 votes b) TCP and UDP. Routing happens in Network layer and hence has no dependency with the the transport layer protocols TCP and UDP. The transport layer protocol- whether TCP or UDP is hidden to the router and the routing path is determined based on the the network configuration at the time and hence can change even during a session. Reference: http://stackoverflow.com/questions/15601389/if-tcp-is-connection-oriented-why-do-packets-follow-different-paths Arjun answered Dec 23, 2014 • edited Jun 29, 2018 by Milicevic3306 Arjun comment Share Follow See all 19 Comments 19 19 Comments reply Show 16 previous comments Rupendra Choudhary commented Dec 26, 2017 reply Follow flag Read more about switching here https://gateoverflow.in/3663/gate2004-it-22 1 1 replyShare rahul sharma 5 commented Dec 26, 2017 reply Follow flag Thanks Rupendra. Yes,i know TCP dont use circuit switching. I was just confirming about circuit switching only:) 1 1 replyShare priyangsu45 commented Sep 16 reply Follow flag thanks 0 0 replyShare Please log in or register to add a comment.
3 3 votes In UDP as well as TCP data routed in different path. So option b Paras Nath answered Sep 15, 2016 Paras Nath comment Share Follow 0 reply Please log in or register to add a comment.
0 0 votes Answer: B. But i have a doubt that , we should consider OSI ref. model or TCP/IP ref. model. Because in OSI, PDU of network layer is packet but while in tcp/ip PDU of tcp is packet and PDU of IP and UDP is datagram. santosh08 answered Sep 1, 2019 santosh08 comment Share Follow 0 reply Please log in or register to add a comment.
0 0 votes COMMENT BELOW IF YOU HAVE ANY DOUBT akshay_123 answered Apr 15 akshay_123 comment Share Follow 0 reply Please log in or register to add a comment.
–3 –3 votes TCP and UDP Paras Nath answered Sep 17, 2016 Paras Nath comment Share Follow 0 reply Please log in or register to add a comment.
–5 –5 votes ans c) Aditi Dan answered Dec 23, 2014 1 flag: ✌ Edit necessary (js__) Aditi Dan comment Share Follow See 1 comment 1 1 comment reply DarKnight commented Aug 21, 2015 reply Follow flag explain 2 2 replyShare Please log in or register to add a comment.
