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proxy
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... scalability, [PROXYCHAIN]
introduced the concept of proxy chaining via an intermediate
server, facilitating roaming between providers. However, since
...
... A broker is a business term commonly used in AAA infrastructures.
A broker is either a relay, proxy or redirect agent, and MAY be
operated by roaming ...
... roaming consortiums. Depending on the business model,
a broker may either choose to deploy relay agents or proxy
agents.
...
... Agent is a Diameter node that provides either relay,
proxy, redirect or translation services.
...
... security across a
transport connection. When relays or proxy are involved, this
hop-by-hop security does not protect the entire Diameter ...
... configured only to redirect messages of certain types, while
acting as relay or proxy agents for other types. As with proxy
...
... NASREQ and/or Mobile IPv4. A Diameter proxy which does not support
also both NASREQ and Mobile IPv4 ...
... Mobile IPv4, MUST be referred to as "Diameter X
Proxy" where X is the application which it supports, and not a
"Diameter Proxy ...
... Proxy" where X is the application which it supports, and not a
"Diameter Proxy".
The base Diameter protocol ...
... AVPs. See Section 6.1.8 for relaying guidelines
3. PROXY - All Diameter messages that fall within this category
MUST be routed to a next hop ...
... MUST also be present in the Peer table. When the Local Action is
set to RELAY or PROXY, this field contains the identity of the
server(s) the message must be routed to. When the Local Action
field ...
... Diameter agents MUST support at least
one of the LOCAL, RELAY, PROXY or REDIRECT modes of operation.
Agents do not need to support all modes of operation in order to
...
... Application Identifier (see Section 2.4) for the given message, or
have advertised itself as a relay or proxy agent. Otherwise, an
error is returned with the Result-Code ...
... client and servers, the Diameter protocol introduces
relay, proxy, redirect, and translation agents, each of which is
defined in Section 1.3. These Diameter ...
... AVP is to be sent via a Diameter agent (proxy, redirect or relay)
then the message MUST NOT be sent unless there is end-to-end security
...
... AVP is to be sent via a Diameter agent (proxy, redirect or
relay) then the message MUST NOT be sent unless there is end-to-end
security between the originator and the recipient or the originator
...
... Unsigned32 | M | P | | V | N |
Product-Name 269 5.3.7 UTF8String | | | |P,V,M| N |
Proxy-Host 280 6.7.3 DiamIdent | M | | | P,V | N |
Proxy-Info ...
... Proxy-Host 280 6.7.3 DiamIdent | M | | | P,V | N |
Proxy-Info 284 6.7.2 Grouped | M | | | P,V | N |
Proxy-State ...
... Proxy-Info 284 6.7.2 Grouped | M | | | P,V | N |
Proxy-State 33 6.7.4 OctetString| M | | | P,V | N |
...
... A relay or proxy agent MAY include the Proxy-Info AVP in requests if
it requires access to any local state ...
... it requires access to any local state information when the
corresponding response is received. Proxy-Info AVP has certain
security implications ...
... in the answer.
- Any Proxy-Info AVPs in the request MUST be added to the answer
message, in the same order they were present in the request.
...
... Identifier field.
If the last Proxy-Info AVP in the message is targeted to the local
Diameter server ...
... Proxy-Info AVP ...
... set to the appropriate protocol error value. As the answer is sent
back towards the originator of the request, each proxy or relay agent
MAY take action on the message.
...
... Result-Code AVP with the proper value. Application
errors do not require any proxy or relay agent involvement, and
therefore the message would be forwarded back to the originator of
...
... It is also possible that a session that was authorized is never
actually started due to action of a proxy. For example, a proxy may
modify an authorization ...
... session that was authorized is never
actually started due to action of a proxy. For example, a proxy may
modify an authorization answer, converting the result from success to
...
... NO_STATE_MAINTAINED, a proxy that causes an authorized session not to
be started MUST issue an STR ...
... Session-Id AVP. Any
intermediate server in the Proxy-Chain MAY also release any
resources, if necessary.
...
... Origin-State-Id in request messages, an access device
also allows a server with which it communicates via proxy to make
such a determination. However, a server that is not directly
connected with the access device will not discover that the access
...
... Origin-State-Id |0-1|0-1|0 |0 |0-1|0-1|0-1|0-1|0-1|0-1|0-1|0-1|
Product-Name |1 |1 |0 |0 |0 |0 |0 |0 |0 |0 |0 |0 |
Proxy-Info |0 |0 |0 |0 |0 |0 |0+ |0+ |0+ |0+ |0+ |0+ |
Redirect-Host |0 |0 |0 |0 |0 |0 |0 |0+ |0 |0+ |0 |0+ |
...
... Routing Table
A Diameter proxy server routes messages based on the realm portion
of a Network Access Identifier (NAI ...
... shared keys can be used between the NAS and a local AAA proxy.
For protection of inter-domain ...
... Aboba, B. and J. Vollbrecht, "Proxy Chaining and Policy Implementation in Roaming", RFC 2607, June 1999. ...