Editing Transport layer (section)

=== <span class="anchor" id="COMPARISON1"></span><span class="anchor" id="Comparison of transport layer protocols"></span>Comparison of Internet transport layer protocols ===
{| class="wikitable" style="text-align:center"
|-
! scope="col" | Feature
! scope="col" | [[User Datagram Protocol|UDP]]
! scope="col" | [[UDP-Lite]]
! scope="col" | [[Transmission Control Protocol|TCP]]
! scope="col" | [[Multipath TCP]]
! scope="col" | [[SCTP]]
! scope="col" | [[DCCP]]
! scope="col" | [[RUDP]]{{efn|RUDP is not officially standardized. There have been no standard-related developments since 1999.}}
|-
| style="text-align:left" | Packet header size
| 8 bytes
| 8 bytes
| 20–60 bytes
| 50–90 bytes
| 12 bytes{{efn|Excluding data chunk headers and overhead chunks. Without embedded chunks, an SCTP packet is essentially useless.}}
| 12 or 16 bytes
| 14+ bytes<!--Including 8-byte UDP header-->
|-
| style="text-align:left" | Typical data-packet overhead
| 8 bytes
| 8 bytes
| 20 bytes
| ?? bytes
| 44–48+ bytes{{efn|Counted as follows: 12 bytes SCTP header + 16 bytes DATA chunk header or 20 bytes I-DATA chunk header + 16+ bytes SACK chunk. Additional non-data chunks (e.g. AUTH) and/or headers for additional data chunks, which might easily increase the overhead with 50 bytes or more, not counted.}}
| 12 or 16 bytes
| 14 bytes
|-
| style="text-align:left" | Transport-layer packet entity
| Datagram
| Datagram
| Segment
| Segment
| Datagram
| Datagram
| Datagram
|-
| style="text-align:left" | Connection-oriented
| {{No}}
| {{No}}
| {{Yes}}
| {{Yes}}
| {{Yes}}
| {{Yes}}
| {{Yes}}
|-
| style="text-align:left" | Reliable transport
| {{No}}
| {{No}}
| {{Yes}}
| {{Yes}}
| {{Yes}}
| {{No}}
| {{Yes}}
|-
| style="text-align:left" | Unreliable transport
| {{Yes}}
| {{Yes}}
| {{No}}
| {{No}}
| {{Yes}}
| {{Yes}}
| {{Yes}}
|-
| style="text-align:left" | Preserve message boundary
| {{Yes}}
| {{Yes}}
| {{No}}
| {{No}}
| {{Yes}}
| {{Yes}}
| {{Yes}}
|-
| style="text-align:left" | Delivery
| Unordered
| Unordered
| Ordered
| Ordered
| Ordered / Unordered
| Unordered
| Unordered
|-
| style="text-align:left" | Data [[checksum]]
| {{Optional}}
| {{Yes}}
| {{Yes}}
| {{Yes}}
| {{Yes}}
| {{Yes}}
| {{Optional}}
|-
| style="text-align:left" | Checksum size
| 16 bits
| 16 bits
| 16 bits
| 16 bits
| 32 bits
| 16 bits
| 16 bits
|-
| style="text-align:left" | Partial [[checksum]]
| {{No}}
| {{Yes}}
| {{No}}
| {{No}}
| {{No}}
| {{Yes}}
| {{No}}
|-
| style="text-align:left" | Path [[Maximum transmission unit|MTU]]
| {{No}}
| {{No}}
| {{Yes}}
| {{Yes}}
| {{Yes}}
| {{Yes}}
| {{dunno}}
|-
| style="text-align:left" | [[Flow control (data)|Flow control]]
| {{No}}
| {{No}}
| {{Yes}}
| {{Yes}}
| {{Yes}}
| {{No}}
| {{Yes}}
|-
| style="text-align:left" | [[Congestion control]]
| {{No}}
| {{No}}
| {{Yes}}
| {{Yes}}
| {{Yes}}
| {{Yes}}
| {{dunno}}
|-
| style="text-align:left" | [[Explicit Congestion Notification]]
| {{No}}
| {{No}}
| {{Yes}}
| {{Yes}}
| {{Yes}}
| {{Yes}}
| {{dunno}}
|-
| style="text-align:left" | Multiple [[Stream (computing)|streams]]
| {{No}}
| {{No}}
| {{No}}
| {{No}}
| {{Yes}}
| {{No}}
| {{No}}
|-
| style="text-align:left" | [[Multi-homing]]
| {{No}}
| {{No}}
| {{No}}
| {{Yes}}
| {{Yes}}
| {{No}}
| {{No}}
|-
| style="text-align:left" | Bundling / [[Nagle's algorithm|Nagle]]
| {{No}}
| {{No}}
| {{Yes}}
| {{Yes}}
| {{Yes}}
| {{No}}
| {{dunno}}
|}
{{notelist}}