diff options
Diffstat (limited to 'internet-draft-satp.txt')
| -rw-r--r-- | internet-draft-satp.txt | 62 |
1 files changed, 31 insertions, 31 deletions
diff --git a/internet-draft-satp.txt b/internet-draft-satp.txt index eda4f18..5bc08ab 100644 --- a/internet-draft-satp.txt +++ b/internet-draft-satp.txt @@ -61,10 +61,9 @@ Abstract The secure anycast tunneling protocol (satp) defines a protocol used for communication between any combination of unicast and anycast - tunnel endpoints. It has less protocol overhead than IPSec in Tunnel - mode and allows tunneling of every ETHER TYPE protocol (e.g. - ethernet, ip, arp ...). satp directly includes cryptography and - message authentication based on the methodes used by SRTP. It is + tunnel endpoints. It allows tunneling of every ETHER TYPE protocol + (e.g. ethernet, ip, arp ...). SATP directly includes cryptography + and message authentication based on the methodes used by SRTP. It is intended to deliver a generic, scaleable and secure solution for tunneling and relaying of packets of any protocol. @@ -108,6 +107,7 @@ Abstract + Gsenger Expires September 2, 2007 [Page 2] Internet-Draft secure anycast tunneling protocol (satp) March 2007 @@ -118,7 +118,7 @@ Internet-Draft secure anycast tunneling protocol (satp) March 2007 SATP is somehow a mixture of an generic encapsulation protocol as GRE [1] and a secure tunneling protocol as IPsec [2] in tunnel mode. To save some header overhead it uses the encryption technices of SRTP - [3]. It supports peer to peer tunnels, where tunnel endpoints CAN be + [3]. It supports peer to peer tunnels, where tunnel endpoints can be any combination of unicast, multicast or anycast hosts, so it defines a Host Anycast Service [4] @@ -199,12 +199,12 @@ Internet-Draft secure anycast tunneling protocol (satp) March 2007 Figure 1 - In this scenario the payload of a SATP packet is transmitted from one - unicast host to one of the anycast routers. This router makes a - routing descision based on the underlying protocol and transmits a - new SATP package to one or more unicast hosts depending on the - routing descition. - + In this scenario the payload gets encapsuleted into a SATP packet by + a unicast host and gets transmitted to one of the anycast routers. + It than gets decapsulated by the router. This router makes a routing + descision based on the underlying protocol and transmits a new SATP + package to one or more unicast hosts depending on the routing + descition. @@ -268,11 +268,11 @@ Internet-Draft secure anycast tunneling protocol (satp) March 2007 Figure 3 Network A has multible routers, that act as gateway/tunnel endpoint - to another network B. This is done to build e redundant encrpted - tunnel connection between the to networks. All tunnel endpoints of + to another network B. This is done to build a redundant encrpted + tunnel connection between the two networks. All tunnel endpoints of network A share the same anycast address and all tunnel endpoints of - network B share another anycast address. - + network B share another anycast address. When a packet from network + a gets transmitted to network B, it first arrives on one of networks @@ -281,6 +281,12 @@ Gsenger Expires September 2, 2007 [Page 5] Internet-Draft secure anycast tunneling protocol (satp) March 2007 + A border routers. Which router is used is determined by network A's + internal routing. This router encapsulates the package and sends it + to the anycast address of the network B routers. The SATP packet + arrives at one of network B's routers and gets decapsulated and + routed to it's destination within network B. + 2.2. Encapsulation SATP does not depend an which lower layer protocols is used, but it's @@ -323,12 +329,6 @@ Internet-Draft secure anycast tunneling protocol (satp) March 2007 Tunneling of IPv6 over IPv4 with RTP payload - Figure 4 - - When using UDP no flow controll or retransmission is done, neigther - by UDP nor anytun. The encapsulated protocol HAS TO take care of - this tasks if needed. UDP however has a checksum of the complete udp - datagram, so a packet gets discarded if there is a biterror in the @@ -337,6 +337,12 @@ Gsenger Expires September 2, 2007 [Page 6] Internet-Draft secure anycast tunneling protocol (satp) March 2007 + Figure 4 + + When using UDP no flow controll or retransmission is done, neigther + by UDP nor anytun. The encapsulated protocol HAS TO take care of + this tasks if needed. UDP however has a checksum of the complete udp + datagram, so a packet gets discarded if there is a biterror in the payload 2.3. Fragmentation @@ -382,12 +388,6 @@ Internet-Draft secure anycast tunneling protocol (satp) March 2007 - - - - - - Gsenger Expires September 2, 2007 [Page 7] Internet-Draft secure anycast tunneling protocol (satp) March 2007 @@ -620,13 +620,13 @@ Internet-Draft secure anycast tunneling protocol (satp) March 2007 Author's Address Othmar Gsenger - Sporgasse 6 - Graz 8010 + Puerstingerstr 32/7 + Saalfelden 5760 AT Phone: - Email: otti@wirdorange.org - URI: http://anytun.org/ + Email: satp@gsenger.com + URI: http://www.gsenger.com/satp/ |