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DNS. Server. DNSS. 2. Here is the address “xxx.xxx.xxx.xxx”. 1. Give me the address of “Google.com”. 3. Setup TCP connection and get the web pages. MSN Messenger Server. DNS. DNS. 1. Register an ID with MSN. 2. Login with MSN client software. 3. Get the friend list.
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DNS Server DNSS 2. Here is the address “xxx.xxx.xxx.xxx” 1. Give me the address of “Google.com” 3. Setup TCP connection and get the web pages
MSN Messenger Server DNS DNS 1. Register an ID with MSN 2. Login with MSN client software 3. Get the friend list 3. The server does the ID to address mapping and send message to the receiver
MILSA Current Internet Layers User ID, Data ID DNS name, App. Layer IDs User Domain TCP/UDP port TCP/UDP port Host Domain Host ID IP Locator Domain Locator
“Education. WUSTL. US. Mail. John. {Hashed key}” Type code Org code Country code App. code End-host code Hashed code 128 bits
RZBS RZBS MILSA network Legacy site network A Legacy site network B AER AER Host A Host B
RZBS RZBS DNS MILSA network Legacy site network A BR AER Host A Host B Legacy site network B
RZBS RZBS MILSA network MILSA Host B MILSA Host A BR BR
RZBS MILSA network Legacy site network B BR BR MILSA Host A Host B