diff options
Diffstat (limited to 'draft-gsenger-anycast-relay-00.txt')
| -rw-r--r-- | draft-gsenger-anycast-relay-00.txt | 84 |
1 files changed, 42 insertions, 42 deletions
diff --git a/draft-gsenger-anycast-relay-00.txt b/draft-gsenger-anycast-relay-00.txt index 2bcd57c..3b43fb7 100644 --- a/draft-gsenger-anycast-relay-00.txt +++ b/draft-gsenger-anycast-relay-00.txt @@ -202,48 +202,6 @@ Internet-Draft Anycast stream relaying March 2007 The anytun servers act like a source NAT router, therefor for the destination it saems that it is talking to the client directly. -1.1.1.3. relay mode - - In relay mode the anycast serveres directly repaet the packetes of - clients, only the source and destination addresses are changed. The - anytun protocol is only used for controll messages, but not fr - encapsulation. - -1.1.2. Transport modes - -1.1.2.1. anycast udp mode - -1.1.2.2. unicast tcp with anycast initialisation - - - - - - -Gsenger Expires September 2, 2007 [Page 4] - -Internet-Draft Anycast stream relaying March 2007 - - -1.1.2.3. full anycast tcp - -1.1.2.3.1. keep alive message request - - Most NAT routers need a tcp connection to transmit some packets once - in while to stay open. In full anycast tcp mode anytun hast to - predict the tcp state including the sequence number. Synconisation - of the sequence number would be to much overhead, so a keep alive - intervall is agreed. This interval is used to calculate the sequemce - number. - - - - - - - - - @@ -262,17 +220,59 @@ Internet-Draft Anycast stream relaying March 2007 +Gsenger Expires September 2, 2007 [Page 4] + +Internet-Draft Anycast stream relaying March 2007 +1.1.1.3. relay mode + An example of anytun used in relay mode + ----------- + ----- | RTP | ---------- + | | ----------- -> |server 1| -> + ----- | UDP** | ---------- ----------- + ##### ----------- | RTP | + | IPv6**| ---------- ----------- ----- + host -> ----------- -> |server 2| -> | UDP* | -> | | + not using | ... | ---------- ----------- ----- + anytun | IPv6* | ##### + ---------- ----------- + ----------- -> |server 3| | ... | host + ----- | anytun | ---------- not using + | | ----------- anytun + ----- | IPv4 | anycast + ##### ----------- + connection| ... | + controller + + *changed source address or port + **changed destination address or port + + Figure 3 + In relay mode the anycast serveres directly repaet the packetes of + clients, only the source and destination addresses are changed. The + anytun protocol is only used for controll messages, but not fr + encapsulation. +1.1.2. Transport modes +1.1.2.1. anycast udp mode +1.1.2.2. unicast tcp with anycast initialisation +1.1.2.3. full anycast tcp +1.1.2.3.1. keep alive message request + Most NAT routers need a tcp connection to transmit some packets once + in while to stay open. In full anycast tcp mode anytun hast to + predict the tcp state including the sequence number. Synconisation + of the sequence number would be to much overhead, so a keep alive + intervall is agreed. This interval is used to calculate the sequemce + number. |