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Diffstat (limited to 'Documentation/networking')
| -rw-r--r-- | Documentation/networking/dccp.txt | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/Documentation/networking/dccp.txt b/Documentation/networking/dccp.txt index fdc93beec057..ffb9ca937d65 100644 --- a/Documentation/networking/dccp.txt +++ b/Documentation/networking/dccp.txt @@ -14,8 +14,15 @@ Introduction ============ Datagram Congestion Control Protocol (DCCP) is an unreliable, connection -based protocol designed to solve issues present in UDP and TCP particularly -for real time and multimedia traffic. +oriented protocol designed to solve issues present in UDP and TCP, particularly +for real-time and multimedia (streaming) traffic. +It divides into a base protocol (RFC 4340) and plugable congestion control +modules called CCIDs. Like plugable TCP congestion control, at least one CCID +needs to be enabled in order for the protocol to function properly. In the Linux +implementation, this is the TCP-like CCID2 (RFC 4341). Additional CCIDs, such as +the TCP-friendly CCID3 (RFC 4342), are optional. +For a brief introduction to CCIDs and suggestions for choosing a CCID to match +given applications, see section 10 of RFC 4340. It has a base protocol and pluggable congestion control IDs (CCIDs). |