1. Realizing a Peer-to-Peer System using a common API
Ramaswamy N.Vadivelu
Scalab,Dept.of CSE, ASU

2. Objective
Extracting the common features and functionalities in a Peer-to-Peer system
Realizing a Peer-to-Peer system using a common API that will implement these functions
Scalab,Dept.of CSE, ASU

3. Current trends/applications
General introduction
Peer to Peer systems
Essential features
Classification
Current trends/applications
Scalab,Dept.of CSE, ASU

4. Instant Messaging/File Sharing
Server
Request list
Send request
List of peers
Client #2
Send request
User
Client #1
Reply
Reply
Client#3
Scalab,Dept.of CSE, ASU

5. Common functionalities:
Establishing presence within a network
Request for a service
Process reply
Open a connection with the service provider
Scalab,Dept.of CSE, ASU

6. Request/Reply Message Format Application specific features
Common API
Initiation
Service Request
Reply
Request/Reply Message Format
Application specific features
Scalab,Dept.of CSE, ASU

7. Scalab,Dept.of CSE, ASU User Application Specific Software
Service Processor
Application Specific
Interface
User Interface
API Interface
COMMON P2P API
Scalab,Dept.of CSE, ASU

8. In summary, the functions that will be present in the API are as follows:
Initiation/Service Request
Initiation_Acknowledge/Service Request_Acknowledge
Send Request
Send Reply
Process Reply
Open Connection
Scalab,Dept.of CSE, ASU

9. Scalab,Dept.of CSE, ASU Coordinator Set up Service Acceptance
Coordinator
Set up Service
Acceptance
Acknowledge
Initiation
Request
Reply: Yes
Request
Reply: No
Request
Reply: Yes
Set up Service
Acceptance
Scalab,Dept.of CSE, ASU

10. Issues How common is the common API ? Practicality
Security and Anonymity
Current scenario
Scalab,Dept.of CSE, ASU