PDF-1Lecture 3: Snooping Protocols

Topics snoopingbased cache coherence implementations 2Design Issues Optimizations demotion from modified to sharedmove from modified in one cache to modified in anotherWho responds with data . 1 February 2004 Luis Grangeia luisgrangeiasidesteppt brPage 2br dnscache dnscache dnscache brPage 3br dig ns1tvcabopt wwwsidesteppt A norecursive DiG 922 ns1tvcabopt wwwsidesteppt A norecursive global options printcmd Got answer Vlajic Required reading Garcia 67 68 brPage 2br How to allow station to place groups of bits on the medium Aloha CSMA Scheduling Schemes How to transmit data bits over a medium ASK FSK PSK Line Coding How to reliably transmit groups of bits frames o Message Passing Sharedmemory single copy of shared data in memory threads communicate by readingwriting to a shared location Messagepassing each thread has a copy of data in its own private memory that other threads cannot access threads communicate Disinterested no vested interest in the protocol and no allegiance to any of the parties Trusted the parties in the protocol will accept what the arbitrator says is true In the real world lawyer banks or notary public are often used as arbitrator Topics: flow control, router pipelines, case studies 2Packets/Flits A message is broken into multiple packets (each packethas header information that allows the receiver tore-construct the original me Dan Fleck. CS 469: Security Engineering. These slides are modified with permission from Bill Young (. Univ. of Texas). Thought . Experiment. Consider the following scenario:. Your friend Ivan lives in a repressive country where the . draft-ietf-l2vpn-vpls-pim-snooping-04. O. Dornon, J. Kotalwar. V. Hemige. R. Qiu, J. Zhang. Berlin, 87. th. IETF. Main Changes. Added PIM Relay Mode. In-between PIM Snooping and PIM Proxy. Re-arranged & Re-worded some sections & paragraphs. Protecting Against Spoofing Attacks. Cisco Catalyst Integrated Security Features. DHCP Spoofing Attacks. An attacker activates a DHCP server on the VLAN.. An attacker replies to a valid client DHCP request.. :. What is Cache Coherence?. Cache Coherence: Do we need it? . Coherence Property - I:. Read R from Address X on Core C0 returns the value written by the most recent write W on X on C0, if no other core has written to X between W and R.. :. What is Cache Coherence?. When one Core writes to its own cache the other core gets to see it, when they read it out of its own cache.. Provides underlying guarantees for the programmer with respect to data validation.. advancements in ActiveSync, Exchange Web Services, and MAPI Andrew Davidoff Senior Software Engineer Agenda • Brief introduction to Exchange Server Open Specifications • An overview of the proto Exchange Web Services, MAPI Andrew Davidoff Senior Software Engineer Agenda • Brief introduction to Exchange Server Open Specifications • An overview of the protocol architecture for Exchange • CS 469: Security Engineering. These slides are modified with permission from Bill Young (. Univ. of Texas). Thought . Experiment. Consider the following scenario:. Your friend Ivan lives in a repressive country where the . Kate Gregory. Lead Pharmacist for SWAG Protocols – SWAG Cancer Alliance. Divisional Lead Oncology Pharmacist – UHBW. New Protocols – progress…. Protocols activity Oct 23-Mar 24 (and comparison with previous reports:.