|This page describes the protocols related to negotiations between two agents, representing principals within the system.|
|Description||Negotiation between a Provider and a Consumer. The negotiation can originate from the Provider (invitation) or the Consumer (request) and exchanges Service Agreement Proposals until both parties accept or the negotiation is cancelled.|
|Conversation Roles||Provider, Consumer|
- All participants support the negotiation protocol.
- A Service Agreement Proposal (SAP) is an object that represents an offer or counter-offer from a participant. Once mutually accepted, it becomes a contract.
- CIAD COI OV Brokered Negotiate Protocol - when an intermediary Broker exists in a three-party negotiation
Figure 1. Negotiate protocol, two party (OV-6)
- Another way of interacting is that the Consumer performs a "Request-For-Proposal" conversation to a number of potential Providers and then subsequently a Negotiation protocol occurs.
The following use cases have been implemented which use the Negotiation protocol.