===================================================================== 1000 Mbps MAC SESSION Bernard Daines Packet Engines (509) 922-9190 FAX (509) 922-9185 bernardd@packetengines.com Box 14497 Spokane WA 99214 12119 E Mission Spokane WA 99206 Kevin Daines Packet Engines (510) 489-3162 FAX (510) 489-6906 kqd@netcom.com 32578 Monterey Ct Union City CA 94587 Packet Engines Incorporated 1000 Mbps MAC SESSION 5/17/96 ===================================================================== 1000 Mbps MAC SESSION AGENDA 1 - REVIEW GOAL & PHASES 2 - COORDINATE PRESENTATIONS FOR TODAY 3 - STATE OF THE MAC DISCUSSION 4 - PLAN WORK FOR NEXT MEETING Packet Engines Incorporated 1000 Mbps MAC SESSION 5/17/96 ===================================================================== 1000 BASE-T/F STANDARDS CHALLENGE (---------------------)---------------+ / | FIBER | __| | A | +---------------( )---------------+ | MAC | \ | STATE | \---------------+ | MACHINES | \ FIBER | +---------------( | B | \ )--------------+ | GLUE \---------------+ +--------------- ( \ FIBER | | REPEATER | / C | | STATE | /---------------+ | MACHINES | \ +-----------------\ )---------------+ | | COPPER | \ | A | / /---------------+ | )--------------+ | | COPPER | | | B | \ /---------------+ / )--------------+ | | COPPER | \ / C | ( ------------------)---------------+ Packet Engines Incorporated 1000 Mbps MAC SESSION 5/17/96 ===================================================================== 802.3z HSSG GOAL WRITE A STANDARD IN HARMONY WITH PAR, CRITERIA AND OBJECTIVES WORK ON FIBER FIRST PHASE BIT STREAM INTEROPERABILITY COPPER SOLUTIONS NEXT PHASE & MAC TO MEDIA LAYERING LATER PHASE ACTUAL STANDARD WRITING Packet Engines Incorporated 1000 Mbps MAC SESSION 5/17/96 ===================================================================== 802.3z HSSG FIRST PHASE +----------+ +--------------------+ | | | | | MAC | < ---- > | 1000 Mbps |========== | CLIENT | | MAC + PHY | | | ^ | | ^ +----------+ | +--------------------+ | | ^ | | | | | | | 802.3x BEHAVIOR BIT STREAM ^ ^ | | +-- DEFINE ----+ Packet Engines Incorporated 1000 Mbps MAC SESSION 5/17/96 ===================================================================== 802.3z HSSG FIRST PHASE MAC + PHY BEHAVIOR * FULL DUPLEX BEHAVIOR * CSMA/CD BEHAVIOR FIBER BIT STREAM ELEMENTS * IDLE SYMBOL * SOP SYMBOL * DATA SYMBOLS * ERROR SYMBOL * EOP SYMBOL * CARRIER SYMBOL * JAM SYMBOL FRAMING ELEMENT SIZE * 10 BIT * 20 BIT * 40 BIT Packet Engines Incorporated 1000 Mbps MAC SESSION 5/17/96 ===================================================================== 802.3z HSSG NEXT PHASE +---- +----------+ | | | | | COMMON | | | PORTION | 1000 | OF | Mbps |MAC + PHY | | | MAC | | + | | PHY +~~~~~~~~~~+ | | +~~~~~~~~~~+ +~~~~~~~~~~~+ +~~~~~~~~~~~~+ | | | | | | | | | FIBER | | COPPER | | COPPER | | | | | #1 | | #2 | +--- +----------+ +-----------+ +------------+ ( () () ) () () ( () () ) () () ( () () Packet Engines Incorporated 1000 Mbps MAC SESSION 5/17/96 ===================================================================== "OBVIOUS" SOLUITON +--------------------+ | MAC SILICON | | | | +---------+ | +--------------+ +----------+ | | | | 10 | | | FIBER | | | 1000Mb |< -----------| "EXISTING" |< - >| DRIVER |~~~~~ | | MAC | | | SERIALIZER/ | +----------+ | | | |125MHz | DESERIALIZER | +----------+ | | | | | | | COPPER | | | |----------- >| |< - >| DRIVER |===== | +---------+ | 10 +--------------+ +----------+ | | +--------------------+ Packet Engines Incorporated 1000 Mbps MAC SESSION 5/17/96 ===================================================================== WHO WHAT WHERE WHEN WHY AND HOW MAC CLIENT ^ | v +---------------+ | MAC CONTROL | +---------------+ ^ +---------------------- > | ---------+ | +-------v-------+ | | | UPDATED | | | | MAC | | | +---------------+ | | ^ | | | | +-------v-------+ STANDARDIZED | NEW | STANDARDIZED INTERFACES | RECONCILIATION| BEHAVIOR | SUBLAYER? | | +---------------+ | | ^ | | | NEW MII? | | +-------v-------+ | | | PHY PCS PLS | | | | PMD PMA ETC | | | +---------------+ | | | MDI | | | +-------+ | +---------------------- > ( () ---------+ ) () FIBER ( () COPPER ) () Packet Engines Incorporated 1000 Mbps MAC SESSION 5/17/96 ===================================================================== PRACTICAL IMPLEMENTATION PARALLEL TRACK +--------------+ | "SYSTEM" | | INTERFACE | +--------------+ ^ | +-------v------+ | MAC |< ---- STANDARDIZED |IMPLEMENTATION| BEHAVIOR +--------------+ ^ | +-------v------+ | "'TWEENER" | +--------------+ ^ | +-------v------+ | MEDIA | | "MAGIC" | +--------------+ | MEDIA | < ---- STANDARDIZED | SIGNALS/FORMATS Packet Engines Incorporated 1000 Mbps MAC SESSION 5/17/96 =====================================================================